Show More
@@ -1,892 +1,892 b'' | |||||
1 | """ |
|
1 | """ | |
2 | util.py - Mercurial utility functions and platform specfic implementations |
|
2 | util.py - Mercurial utility functions and platform specfic implementations | |
3 |
|
3 | |||
4 | Copyright 2005 K. Thananchayan <thananck@yahoo.com> |
|
4 | Copyright 2005 K. Thananchayan <thananck@yahoo.com> | |
5 |
|
5 | |||
6 | This software may be used and distributed according to the terms |
|
6 | This software may be used and distributed according to the terms | |
7 | of the GNU General Public License, incorporated herein by reference. |
|
7 | of the GNU General Public License, incorporated herein by reference. | |
8 |
|
8 | |||
9 | This contains helper routines that are independent of the SCM core and hide |
|
9 | This contains helper routines that are independent of the SCM core and hide | |
10 | platform-specific details from the core. |
|
10 | platform-specific details from the core. | |
11 | """ |
|
11 | """ | |
12 |
|
12 | |||
13 | import os, errno |
|
13 | import os, errno | |
14 | from i18n import gettext as _ |
|
14 | from i18n import gettext as _ | |
15 | from demandload import * |
|
15 | from demandload import * | |
16 | demandload(globals(), "cStringIO errno popen2 re shutil sys tempfile") |
|
16 | demandload(globals(), "cStringIO errno popen2 re shutil sys tempfile") | |
17 | demandload(globals(), "threading time") |
|
17 | demandload(globals(), "threading time") | |
18 |
|
18 | |||
19 | class SignalInterrupt(Exception): |
|
19 | class SignalInterrupt(Exception): | |
20 | """Exception raised on SIGTERM and SIGHUP.""" |
|
20 | """Exception raised on SIGTERM and SIGHUP.""" | |
21 |
|
21 | |||
22 | def pipefilter(s, cmd): |
|
22 | def pipefilter(s, cmd): | |
23 | '''filter string S through command CMD, returning its output''' |
|
23 | '''filter string S through command CMD, returning its output''' | |
24 | (pout, pin) = popen2.popen2(cmd, -1, 'b') |
|
24 | (pout, pin) = popen2.popen2(cmd, -1, 'b') | |
25 | def writer(): |
|
25 | def writer(): | |
26 | try: |
|
26 | try: | |
27 | pin.write(s) |
|
27 | pin.write(s) | |
28 | pin.close() |
|
28 | pin.close() | |
29 | except IOError, inst: |
|
29 | except IOError, inst: | |
30 | if inst.errno != errno.EPIPE: |
|
30 | if inst.errno != errno.EPIPE: | |
31 | raise |
|
31 | raise | |
32 |
|
32 | |||
33 | # we should use select instead on UNIX, but this will work on most |
|
33 | # we should use select instead on UNIX, but this will work on most | |
34 | # systems, including Windows |
|
34 | # systems, including Windows | |
35 | w = threading.Thread(target=writer) |
|
35 | w = threading.Thread(target=writer) | |
36 | w.start() |
|
36 | w.start() | |
37 | f = pout.read() |
|
37 | f = pout.read() | |
38 | pout.close() |
|
38 | pout.close() | |
39 | w.join() |
|
39 | w.join() | |
40 | return f |
|
40 | return f | |
41 |
|
41 | |||
42 | def tempfilter(s, cmd): |
|
42 | def tempfilter(s, cmd): | |
43 | '''filter string S through a pair of temporary files with CMD. |
|
43 | '''filter string S through a pair of temporary files with CMD. | |
44 | CMD is used as a template to create the real command to be run, |
|
44 | CMD is used as a template to create the real command to be run, | |
45 | with the strings INFILE and OUTFILE replaced by the real names of |
|
45 | with the strings INFILE and OUTFILE replaced by the real names of | |
46 | the temporary files generated.''' |
|
46 | the temporary files generated.''' | |
47 | inname, outname = None, None |
|
47 | inname, outname = None, None | |
48 | try: |
|
48 | try: | |
49 | infd, inname = tempfile.mkstemp(prefix='hg-filter-in-') |
|
49 | infd, inname = tempfile.mkstemp(prefix='hg-filter-in-') | |
50 | fp = os.fdopen(infd, 'wb') |
|
50 | fp = os.fdopen(infd, 'wb') | |
51 | fp.write(s) |
|
51 | fp.write(s) | |
52 | fp.close() |
|
52 | fp.close() | |
53 | outfd, outname = tempfile.mkstemp(prefix='hg-filter-out-') |
|
53 | outfd, outname = tempfile.mkstemp(prefix='hg-filter-out-') | |
54 | os.close(outfd) |
|
54 | os.close(outfd) | |
55 | cmd = cmd.replace('INFILE', inname) |
|
55 | cmd = cmd.replace('INFILE', inname) | |
56 | cmd = cmd.replace('OUTFILE', outname) |
|
56 | cmd = cmd.replace('OUTFILE', outname) | |
57 | code = os.system(cmd) |
|
57 | code = os.system(cmd) | |
58 | if code: raise Abort(_("command '%s' failed: %s") % |
|
58 | if code: raise Abort(_("command '%s' failed: %s") % | |
59 | (cmd, explain_exit(code))) |
|
59 | (cmd, explain_exit(code))) | |
60 | return open(outname, 'rb').read() |
|
60 | return open(outname, 'rb').read() | |
61 | finally: |
|
61 | finally: | |
62 | try: |
|
62 | try: | |
63 | if inname: os.unlink(inname) |
|
63 | if inname: os.unlink(inname) | |
64 | except: pass |
|
64 | except: pass | |
65 | try: |
|
65 | try: | |
66 | if outname: os.unlink(outname) |
|
66 | if outname: os.unlink(outname) | |
67 | except: pass |
|
67 | except: pass | |
68 |
|
68 | |||
69 | filtertable = { |
|
69 | filtertable = { | |
70 | 'tempfile:': tempfilter, |
|
70 | 'tempfile:': tempfilter, | |
71 | 'pipe:': pipefilter, |
|
71 | 'pipe:': pipefilter, | |
72 | } |
|
72 | } | |
73 |
|
73 | |||
74 | def filter(s, cmd): |
|
74 | def filter(s, cmd): | |
75 | "filter a string through a command that transforms its input to its output" |
|
75 | "filter a string through a command that transforms its input to its output" | |
76 | for name, fn in filtertable.iteritems(): |
|
76 | for name, fn in filtertable.iteritems(): | |
77 | if cmd.startswith(name): |
|
77 | if cmd.startswith(name): | |
78 | return fn(s, cmd[len(name):].lstrip()) |
|
78 | return fn(s, cmd[len(name):].lstrip()) | |
79 | return pipefilter(s, cmd) |
|
79 | return pipefilter(s, cmd) | |
80 |
|
80 | |||
81 | def find_in_path(name, path, default=None): |
|
81 | def find_in_path(name, path, default=None): | |
82 | '''find name in search path. path can be string (will be split |
|
82 | '''find name in search path. path can be string (will be split | |
83 | with os.pathsep), or iterable thing that returns strings. if name |
|
83 | with os.pathsep), or iterable thing that returns strings. if name | |
84 | found, return path to name. else return default.''' |
|
84 | found, return path to name. else return default.''' | |
85 | if isinstance(path, str): |
|
85 | if isinstance(path, str): | |
86 | path = path.split(os.pathsep) |
|
86 | path = path.split(os.pathsep) | |
87 | for p in path: |
|
87 | for p in path: | |
88 | p_name = os.path.join(p, name) |
|
88 | p_name = os.path.join(p, name) | |
89 | if os.path.exists(p_name): |
|
89 | if os.path.exists(p_name): | |
90 | return p_name |
|
90 | return p_name | |
91 | return default |
|
91 | return default | |
92 |
|
92 | |||
93 | def patch(strip, patchname, ui): |
|
93 | def patch(strip, patchname, ui): | |
94 | """apply the patch <patchname> to the working directory. |
|
94 | """apply the patch <patchname> to the working directory. | |
95 | a list of patched files is returned""" |
|
95 | a list of patched files is returned""" | |
96 | patcher = find_in_path('gpatch', os.environ.get('PATH', ''), 'patch') |
|
96 | patcher = find_in_path('gpatch', os.environ.get('PATH', ''), 'patch') | |
97 | fp = os.popen('"%s" -p%d < "%s"' % (patcher, strip, patchname)) |
|
97 | fp = os.popen('"%s" -p%d < "%s"' % (patcher, strip, patchname)) | |
98 | files = {} |
|
98 | files = {} | |
99 | for line in fp: |
|
99 | for line in fp: | |
100 | line = line.rstrip() |
|
100 | line = line.rstrip() | |
101 | ui.status("%s\n" % line) |
|
101 | ui.status("%s\n" % line) | |
102 | if line.startswith('patching file '): |
|
102 | if line.startswith('patching file '): | |
103 | pf = parse_patch_output(line) |
|
103 | pf = parse_patch_output(line) | |
104 | files.setdefault(pf, 1) |
|
104 | files.setdefault(pf, 1) | |
105 | code = fp.close() |
|
105 | code = fp.close() | |
106 | if code: |
|
106 | if code: | |
107 | raise Abort(_("patch command failed: %s") % explain_exit(code)[0]) |
|
107 | raise Abort(_("patch command failed: %s") % explain_exit(code)[0]) | |
108 | return files.keys() |
|
108 | return files.keys() | |
109 |
|
109 | |||
110 | def binary(s): |
|
110 | def binary(s): | |
111 | """return true if a string is binary data using diff's heuristic""" |
|
111 | """return true if a string is binary data using diff's heuristic""" | |
112 | if s and '\0' in s[:4096]: |
|
112 | if s and '\0' in s[:4096]: | |
113 | return True |
|
113 | return True | |
114 | return False |
|
114 | return False | |
115 |
|
115 | |||
116 | def unique(g): |
|
116 | def unique(g): | |
117 | """return the uniq elements of iterable g""" |
|
117 | """return the uniq elements of iterable g""" | |
118 | seen = {} |
|
118 | seen = {} | |
119 | for f in g: |
|
119 | for f in g: | |
120 | if f not in seen: |
|
120 | if f not in seen: | |
121 | seen[f] = 1 |
|
121 | seen[f] = 1 | |
122 | yield f |
|
122 | yield f | |
123 |
|
123 | |||
124 | class Abort(Exception): |
|
124 | class Abort(Exception): | |
125 | """Raised if a command needs to print an error and exit.""" |
|
125 | """Raised if a command needs to print an error and exit.""" | |
126 |
|
126 | |||
127 | def always(fn): return True |
|
127 | def always(fn): return True | |
128 | def never(fn): return False |
|
128 | def never(fn): return False | |
129 |
|
129 | |||
130 | def patkind(name, dflt_pat='glob'): |
|
130 | def patkind(name, dflt_pat='glob'): | |
131 | """Split a string into an optional pattern kind prefix and the |
|
131 | """Split a string into an optional pattern kind prefix and the | |
132 | actual pattern.""" |
|
132 | actual pattern.""" | |
133 | for prefix in 're', 'glob', 'path', 'relglob', 'relpath', 'relre': |
|
133 | for prefix in 're', 'glob', 'path', 'relglob', 'relpath', 'relre': | |
134 | if name.startswith(prefix + ':'): return name.split(':', 1) |
|
134 | if name.startswith(prefix + ':'): return name.split(':', 1) | |
135 | return dflt_pat, name |
|
135 | return dflt_pat, name | |
136 |
|
136 | |||
137 | def globre(pat, head='^', tail='$'): |
|
137 | def globre(pat, head='^', tail='$'): | |
138 | "convert a glob pattern into a regexp" |
|
138 | "convert a glob pattern into a regexp" | |
139 | i, n = 0, len(pat) |
|
139 | i, n = 0, len(pat) | |
140 | res = '' |
|
140 | res = '' | |
141 | group = False |
|
141 | group = False | |
142 | def peek(): return i < n and pat[i] |
|
142 | def peek(): return i < n and pat[i] | |
143 | while i < n: |
|
143 | while i < n: | |
144 | c = pat[i] |
|
144 | c = pat[i] | |
145 | i = i+1 |
|
145 | i = i+1 | |
146 | if c == '*': |
|
146 | if c == '*': | |
147 | if peek() == '*': |
|
147 | if peek() == '*': | |
148 | i += 1 |
|
148 | i += 1 | |
149 | res += '.*' |
|
149 | res += '.*' | |
150 | else: |
|
150 | else: | |
151 | res += '[^/]*' |
|
151 | res += '[^/]*' | |
152 | elif c == '?': |
|
152 | elif c == '?': | |
153 | res += '.' |
|
153 | res += '.' | |
154 | elif c == '[': |
|
154 | elif c == '[': | |
155 | j = i |
|
155 | j = i | |
156 | if j < n and pat[j] in '!]': |
|
156 | if j < n and pat[j] in '!]': | |
157 | j += 1 |
|
157 | j += 1 | |
158 | while j < n and pat[j] != ']': |
|
158 | while j < n and pat[j] != ']': | |
159 | j += 1 |
|
159 | j += 1 | |
160 | if j >= n: |
|
160 | if j >= n: | |
161 | res += '\\[' |
|
161 | res += '\\[' | |
162 | else: |
|
162 | else: | |
163 | stuff = pat[i:j].replace('\\','\\\\') |
|
163 | stuff = pat[i:j].replace('\\','\\\\') | |
164 | i = j + 1 |
|
164 | i = j + 1 | |
165 | if stuff[0] == '!': |
|
165 | if stuff[0] == '!': | |
166 | stuff = '^' + stuff[1:] |
|
166 | stuff = '^' + stuff[1:] | |
167 | elif stuff[0] == '^': |
|
167 | elif stuff[0] == '^': | |
168 | stuff = '\\' + stuff |
|
168 | stuff = '\\' + stuff | |
169 | res = '%s[%s]' % (res, stuff) |
|
169 | res = '%s[%s]' % (res, stuff) | |
170 | elif c == '{': |
|
170 | elif c == '{': | |
171 | group = True |
|
171 | group = True | |
172 | res += '(?:' |
|
172 | res += '(?:' | |
173 | elif c == '}' and group: |
|
173 | elif c == '}' and group: | |
174 | res += ')' |
|
174 | res += ')' | |
175 | group = False |
|
175 | group = False | |
176 | elif c == ',' and group: |
|
176 | elif c == ',' and group: | |
177 | res += '|' |
|
177 | res += '|' | |
178 | elif c == '\\': |
|
178 | elif c == '\\': | |
179 | p = peek() |
|
179 | p = peek() | |
180 | if p: |
|
180 | if p: | |
181 | i += 1 |
|
181 | i += 1 | |
182 | res += re.escape(p) |
|
182 | res += re.escape(p) | |
183 | else: |
|
183 | else: | |
184 | res += re.escape(c) |
|
184 | res += re.escape(c) | |
185 | else: |
|
185 | else: | |
186 | res += re.escape(c) |
|
186 | res += re.escape(c) | |
187 | return head + res + tail |
|
187 | return head + res + tail | |
188 |
|
188 | |||
189 | _globchars = {'[': 1, '{': 1, '*': 1, '?': 1} |
|
189 | _globchars = {'[': 1, '{': 1, '*': 1, '?': 1} | |
190 |
|
190 | |||
191 | def pathto(n1, n2): |
|
191 | def pathto(n1, n2): | |
192 | '''return the relative path from one place to another. |
|
192 | '''return the relative path from one place to another. | |
193 | this returns a path in the form used by the local filesystem, not hg.''' |
|
193 | this returns a path in the form used by the local filesystem, not hg.''' | |
194 | if not n1: return localpath(n2) |
|
194 | if not n1: return localpath(n2) | |
195 | a, b = n1.split('/'), n2.split('/') |
|
195 | a, b = n1.split('/'), n2.split('/') | |
196 | a.reverse() |
|
196 | a.reverse() | |
197 | b.reverse() |
|
197 | b.reverse() | |
198 | while a and b and a[-1] == b[-1]: |
|
198 | while a and b and a[-1] == b[-1]: | |
199 | a.pop() |
|
199 | a.pop() | |
200 | b.pop() |
|
200 | b.pop() | |
201 | b.reverse() |
|
201 | b.reverse() | |
202 | return os.sep.join((['..'] * len(a)) + b) |
|
202 | return os.sep.join((['..'] * len(a)) + b) | |
203 |
|
203 | |||
204 | def canonpath(root, cwd, myname): |
|
204 | def canonpath(root, cwd, myname): | |
205 | """return the canonical path of myname, given cwd and root""" |
|
205 | """return the canonical path of myname, given cwd and root""" | |
206 | if root == os.sep: |
|
206 | if root == os.sep: | |
207 | rootsep = os.sep |
|
207 | rootsep = os.sep | |
208 | elif root.endswith(os.sep): |
|
208 | elif root.endswith(os.sep): | |
209 | rootsep = root |
|
209 | rootsep = root | |
210 | else: |
|
210 | else: | |
211 | rootsep = root + os.sep |
|
211 | rootsep = root + os.sep | |
212 | name = myname |
|
212 | name = myname | |
213 | if not os.path.isabs(name): |
|
213 | if not os.path.isabs(name): | |
214 | name = os.path.join(root, cwd, name) |
|
214 | name = os.path.join(root, cwd, name) | |
215 | name = os.path.normpath(name) |
|
215 | name = os.path.normpath(name) | |
216 | if name.startswith(rootsep): |
|
216 | if name != rootsep and name.startswith(rootsep): | |
217 | name = name[len(rootsep):] |
|
217 | name = name[len(rootsep):] | |
218 | audit_path(name) |
|
218 | audit_path(name) | |
219 | return pconvert(name) |
|
219 | return pconvert(name) | |
220 | elif name == root: |
|
220 | elif name == root: | |
221 | return '' |
|
221 | return '' | |
222 | else: |
|
222 | else: | |
223 | # Determine whether `name' is in the hierarchy at or beneath `root', |
|
223 | # Determine whether `name' is in the hierarchy at or beneath `root', | |
224 | # by iterating name=dirname(name) until that causes no change (can't |
|
224 | # by iterating name=dirname(name) until that causes no change (can't | |
225 | # check name == '/', because that doesn't work on windows). For each |
|
225 | # check name == '/', because that doesn't work on windows). For each | |
226 | # `name', compare dev/inode numbers. If they match, the list `rel' |
|
226 | # `name', compare dev/inode numbers. If they match, the list `rel' | |
227 | # holds the reversed list of components making up the relative file |
|
227 | # holds the reversed list of components making up the relative file | |
228 | # name we want. |
|
228 | # name we want. | |
229 | root_st = os.stat(root) |
|
229 | root_st = os.stat(root) | |
230 | rel = [] |
|
230 | rel = [] | |
231 | while True: |
|
231 | while True: | |
232 | try: |
|
232 | try: | |
233 | name_st = os.stat(name) |
|
233 | name_st = os.stat(name) | |
234 | except OSError: |
|
234 | except OSError: | |
235 | break |
|
235 | break | |
236 | if samestat(name_st, root_st): |
|
236 | if samestat(name_st, root_st): | |
237 | rel.reverse() |
|
237 | rel.reverse() | |
238 | name = os.path.join(*rel) |
|
238 | name = os.path.join(*rel) | |
239 | audit_path(name) |
|
239 | audit_path(name) | |
240 | return pconvert(name) |
|
240 | return pconvert(name) | |
241 | dirname, basename = os.path.split(name) |
|
241 | dirname, basename = os.path.split(name) | |
242 | rel.append(basename) |
|
242 | rel.append(basename) | |
243 | if dirname == name: |
|
243 | if dirname == name: | |
244 | break |
|
244 | break | |
245 | name = dirname |
|
245 | name = dirname | |
246 |
|
246 | |||
247 | raise Abort('%s not under root' % myname) |
|
247 | raise Abort('%s not under root' % myname) | |
248 |
|
248 | |||
249 | def matcher(canonroot, cwd='', names=['.'], inc=[], exc=[], head='', src=None): |
|
249 | def matcher(canonroot, cwd='', names=['.'], inc=[], exc=[], head='', src=None): | |
250 | return _matcher(canonroot, cwd, names, inc, exc, head, 'glob', src) |
|
250 | return _matcher(canonroot, cwd, names, inc, exc, head, 'glob', src) | |
251 |
|
251 | |||
252 | def cmdmatcher(canonroot, cwd='', names=['.'], inc=[], exc=[], head='', src=None): |
|
252 | def cmdmatcher(canonroot, cwd='', names=['.'], inc=[], exc=[], head='', src=None): | |
253 | if os.name == 'nt': |
|
253 | if os.name == 'nt': | |
254 | dflt_pat = 'glob' |
|
254 | dflt_pat = 'glob' | |
255 | else: |
|
255 | else: | |
256 | dflt_pat = 'relpath' |
|
256 | dflt_pat = 'relpath' | |
257 | return _matcher(canonroot, cwd, names, inc, exc, head, dflt_pat, src) |
|
257 | return _matcher(canonroot, cwd, names, inc, exc, head, dflt_pat, src) | |
258 |
|
258 | |||
259 | def _matcher(canonroot, cwd, names, inc, exc, head, dflt_pat, src): |
|
259 | def _matcher(canonroot, cwd, names, inc, exc, head, dflt_pat, src): | |
260 | """build a function to match a set of file patterns |
|
260 | """build a function to match a set of file patterns | |
261 |
|
261 | |||
262 | arguments: |
|
262 | arguments: | |
263 | canonroot - the canonical root of the tree you're matching against |
|
263 | canonroot - the canonical root of the tree you're matching against | |
264 | cwd - the current working directory, if relevant |
|
264 | cwd - the current working directory, if relevant | |
265 | names - patterns to find |
|
265 | names - patterns to find | |
266 | inc - patterns to include |
|
266 | inc - patterns to include | |
267 | exc - patterns to exclude |
|
267 | exc - patterns to exclude | |
268 | head - a regex to prepend to patterns to control whether a match is rooted |
|
268 | head - a regex to prepend to patterns to control whether a match is rooted | |
269 |
|
269 | |||
270 | a pattern is one of: |
|
270 | a pattern is one of: | |
271 | 'glob:<rooted glob>' |
|
271 | 'glob:<rooted glob>' | |
272 | 're:<rooted regexp>' |
|
272 | 're:<rooted regexp>' | |
273 | 'path:<rooted path>' |
|
273 | 'path:<rooted path>' | |
274 | 'relglob:<relative glob>' |
|
274 | 'relglob:<relative glob>' | |
275 | 'relpath:<relative path>' |
|
275 | 'relpath:<relative path>' | |
276 | 'relre:<relative regexp>' |
|
276 | 'relre:<relative regexp>' | |
277 | '<rooted path or regexp>' |
|
277 | '<rooted path or regexp>' | |
278 |
|
278 | |||
279 | returns: |
|
279 | returns: | |
280 | a 3-tuple containing |
|
280 | a 3-tuple containing | |
281 | - list of explicit non-pattern names passed in |
|
281 | - list of explicit non-pattern names passed in | |
282 | - a bool match(filename) function |
|
282 | - a bool match(filename) function | |
283 | - a bool indicating if any patterns were passed in |
|
283 | - a bool indicating if any patterns were passed in | |
284 |
|
284 | |||
285 | todo: |
|
285 | todo: | |
286 | make head regex a rooted bool |
|
286 | make head regex a rooted bool | |
287 | """ |
|
287 | """ | |
288 |
|
288 | |||
289 | def contains_glob(name): |
|
289 | def contains_glob(name): | |
290 | for c in name: |
|
290 | for c in name: | |
291 | if c in _globchars: return True |
|
291 | if c in _globchars: return True | |
292 | return False |
|
292 | return False | |
293 |
|
293 | |||
294 | def regex(kind, name, tail): |
|
294 | def regex(kind, name, tail): | |
295 | '''convert a pattern into a regular expression''' |
|
295 | '''convert a pattern into a regular expression''' | |
296 | if kind == 're': |
|
296 | if kind == 're': | |
297 | return name |
|
297 | return name | |
298 | elif kind == 'path': |
|
298 | elif kind == 'path': | |
299 | return '^' + re.escape(name) + '(?:/|$)' |
|
299 | return '^' + re.escape(name) + '(?:/|$)' | |
300 | elif kind == 'relglob': |
|
300 | elif kind == 'relglob': | |
301 | return head + globre(name, '(?:|.*/)', tail) |
|
301 | return head + globre(name, '(?:|.*/)', tail) | |
302 | elif kind == 'relpath': |
|
302 | elif kind == 'relpath': | |
303 | return head + re.escape(name) + tail |
|
303 | return head + re.escape(name) + tail | |
304 | elif kind == 'relre': |
|
304 | elif kind == 'relre': | |
305 | if name.startswith('^'): |
|
305 | if name.startswith('^'): | |
306 | return name |
|
306 | return name | |
307 | return '.*' + name |
|
307 | return '.*' + name | |
308 | return head + globre(name, '', tail) |
|
308 | return head + globre(name, '', tail) | |
309 |
|
309 | |||
310 | def matchfn(pats, tail): |
|
310 | def matchfn(pats, tail): | |
311 | """build a matching function from a set of patterns""" |
|
311 | """build a matching function from a set of patterns""" | |
312 | if not pats: |
|
312 | if not pats: | |
313 | return |
|
313 | return | |
314 | matches = [] |
|
314 | matches = [] | |
315 | for k, p in pats: |
|
315 | for k, p in pats: | |
316 | try: |
|
316 | try: | |
317 | pat = '(?:%s)' % regex(k, p, tail) |
|
317 | pat = '(?:%s)' % regex(k, p, tail) | |
318 | matches.append(re.compile(pat).match) |
|
318 | matches.append(re.compile(pat).match) | |
319 | except re.error: |
|
319 | except re.error: | |
320 | if src: raise Abort("%s: invalid pattern (%s): %s" % (src, k, p)) |
|
320 | if src: raise Abort("%s: invalid pattern (%s): %s" % (src, k, p)) | |
321 | else: raise Abort("invalid pattern (%s): %s" % (k, p)) |
|
321 | else: raise Abort("invalid pattern (%s): %s" % (k, p)) | |
322 |
|
322 | |||
323 | def buildfn(text): |
|
323 | def buildfn(text): | |
324 | for m in matches: |
|
324 | for m in matches: | |
325 | r = m(text) |
|
325 | r = m(text) | |
326 | if r: |
|
326 | if r: | |
327 | return r |
|
327 | return r | |
328 |
|
328 | |||
329 | return buildfn |
|
329 | return buildfn | |
330 |
|
330 | |||
331 | def globprefix(pat): |
|
331 | def globprefix(pat): | |
332 | '''return the non-glob prefix of a path, e.g. foo/* -> foo''' |
|
332 | '''return the non-glob prefix of a path, e.g. foo/* -> foo''' | |
333 | root = [] |
|
333 | root = [] | |
334 | for p in pat.split(os.sep): |
|
334 | for p in pat.split(os.sep): | |
335 | if contains_glob(p): break |
|
335 | if contains_glob(p): break | |
336 | root.append(p) |
|
336 | root.append(p) | |
337 | return '/'.join(root) |
|
337 | return '/'.join(root) | |
338 |
|
338 | |||
339 | pats = [] |
|
339 | pats = [] | |
340 | files = [] |
|
340 | files = [] | |
341 | roots = [] |
|
341 | roots = [] | |
342 | for kind, name in [patkind(p, dflt_pat) for p in names]: |
|
342 | for kind, name in [patkind(p, dflt_pat) for p in names]: | |
343 | if kind in ('glob', 'relpath'): |
|
343 | if kind in ('glob', 'relpath'): | |
344 | name = canonpath(canonroot, cwd, name) |
|
344 | name = canonpath(canonroot, cwd, name) | |
345 | if name == '': |
|
345 | if name == '': | |
346 | kind, name = 'glob', '**' |
|
346 | kind, name = 'glob', '**' | |
347 | if kind in ('glob', 'path', 're'): |
|
347 | if kind in ('glob', 'path', 're'): | |
348 | pats.append((kind, name)) |
|
348 | pats.append((kind, name)) | |
349 | if kind == 'glob': |
|
349 | if kind == 'glob': | |
350 | root = globprefix(name) |
|
350 | root = globprefix(name) | |
351 | if root: roots.append(root) |
|
351 | if root: roots.append(root) | |
352 | elif kind == 'relpath': |
|
352 | elif kind == 'relpath': | |
353 | files.append((kind, name)) |
|
353 | files.append((kind, name)) | |
354 | roots.append(name) |
|
354 | roots.append(name) | |
355 |
|
355 | |||
356 | patmatch = matchfn(pats, '$') or always |
|
356 | patmatch = matchfn(pats, '$') or always | |
357 | filematch = matchfn(files, '(?:/|$)') or always |
|
357 | filematch = matchfn(files, '(?:/|$)') or always | |
358 | incmatch = always |
|
358 | incmatch = always | |
359 | if inc: |
|
359 | if inc: | |
360 | incmatch = matchfn(map(patkind, inc), '(?:/|$)') |
|
360 | incmatch = matchfn(map(patkind, inc), '(?:/|$)') | |
361 | excmatch = lambda fn: False |
|
361 | excmatch = lambda fn: False | |
362 | if exc: |
|
362 | if exc: | |
363 | excmatch = matchfn(map(patkind, exc), '(?:/|$)') |
|
363 | excmatch = matchfn(map(patkind, exc), '(?:/|$)') | |
364 |
|
364 | |||
365 | return (roots, |
|
365 | return (roots, | |
366 | lambda fn: (incmatch(fn) and not excmatch(fn) and |
|
366 | lambda fn: (incmatch(fn) and not excmatch(fn) and | |
367 | (fn.endswith('/') or |
|
367 | (fn.endswith('/') or | |
368 | (not pats and not files) or |
|
368 | (not pats and not files) or | |
369 | (pats and patmatch(fn)) or |
|
369 | (pats and patmatch(fn)) or | |
370 | (files and filematch(fn)))), |
|
370 | (files and filematch(fn)))), | |
371 | (inc or exc or (pats and pats != [('glob', '**')])) and True) |
|
371 | (inc or exc or (pats and pats != [('glob', '**')])) and True) | |
372 |
|
372 | |||
373 | def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None): |
|
373 | def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None): | |
374 | '''enhanced shell command execution. |
|
374 | '''enhanced shell command execution. | |
375 | run with environment maybe modified, maybe in different dir. |
|
375 | run with environment maybe modified, maybe in different dir. | |
376 |
|
376 | |||
377 | if command fails and onerr is None, return status. if ui object, |
|
377 | if command fails and onerr is None, return status. if ui object, | |
378 | print error message and return status, else raise onerr object as |
|
378 | print error message and return status, else raise onerr object as | |
379 | exception.''' |
|
379 | exception.''' | |
380 | oldenv = {} |
|
380 | oldenv = {} | |
381 | for k in environ: |
|
381 | for k in environ: | |
382 | oldenv[k] = os.environ.get(k) |
|
382 | oldenv[k] = os.environ.get(k) | |
383 | if cwd is not None: |
|
383 | if cwd is not None: | |
384 | oldcwd = os.getcwd() |
|
384 | oldcwd = os.getcwd() | |
385 | try: |
|
385 | try: | |
386 | for k, v in environ.iteritems(): |
|
386 | for k, v in environ.iteritems(): | |
387 | os.environ[k] = str(v) |
|
387 | os.environ[k] = str(v) | |
388 | if cwd is not None and oldcwd != cwd: |
|
388 | if cwd is not None and oldcwd != cwd: | |
389 | os.chdir(cwd) |
|
389 | os.chdir(cwd) | |
390 | rc = os.system(cmd) |
|
390 | rc = os.system(cmd) | |
391 | if rc and onerr: |
|
391 | if rc and onerr: | |
392 | errmsg = '%s %s' % (os.path.basename(cmd.split(None, 1)[0]), |
|
392 | errmsg = '%s %s' % (os.path.basename(cmd.split(None, 1)[0]), | |
393 | explain_exit(rc)[0]) |
|
393 | explain_exit(rc)[0]) | |
394 | if errprefix: |
|
394 | if errprefix: | |
395 | errmsg = '%s: %s' % (errprefix, errmsg) |
|
395 | errmsg = '%s: %s' % (errprefix, errmsg) | |
396 | try: |
|
396 | try: | |
397 | onerr.warn(errmsg + '\n') |
|
397 | onerr.warn(errmsg + '\n') | |
398 | except AttributeError: |
|
398 | except AttributeError: | |
399 | raise onerr(errmsg) |
|
399 | raise onerr(errmsg) | |
400 | return rc |
|
400 | return rc | |
401 | finally: |
|
401 | finally: | |
402 | for k, v in oldenv.iteritems(): |
|
402 | for k, v in oldenv.iteritems(): | |
403 | if v is None: |
|
403 | if v is None: | |
404 | del os.environ[k] |
|
404 | del os.environ[k] | |
405 | else: |
|
405 | else: | |
406 | os.environ[k] = v |
|
406 | os.environ[k] = v | |
407 | if cwd is not None and oldcwd != cwd: |
|
407 | if cwd is not None and oldcwd != cwd: | |
408 | os.chdir(oldcwd) |
|
408 | os.chdir(oldcwd) | |
409 |
|
409 | |||
410 | def rename(src, dst): |
|
410 | def rename(src, dst): | |
411 | """forcibly rename a file""" |
|
411 | """forcibly rename a file""" | |
412 | try: |
|
412 | try: | |
413 | os.rename(src, dst) |
|
413 | os.rename(src, dst) | |
414 | except OSError, err: |
|
414 | except OSError, err: | |
415 | # on windows, rename to existing file is not allowed, so we |
|
415 | # on windows, rename to existing file is not allowed, so we | |
416 | # must delete destination first. but if file is open, unlink |
|
416 | # must delete destination first. but if file is open, unlink | |
417 | # schedules it for delete but does not delete it. rename |
|
417 | # schedules it for delete but does not delete it. rename | |
418 | # happens immediately even for open files, so we create |
|
418 | # happens immediately even for open files, so we create | |
419 | # temporary file, delete it, rename destination to that name, |
|
419 | # temporary file, delete it, rename destination to that name, | |
420 | # then delete that. then rename is safe to do. |
|
420 | # then delete that. then rename is safe to do. | |
421 | fd, temp = tempfile.mkstemp(dir=os.path.dirname(dst) or '.') |
|
421 | fd, temp = tempfile.mkstemp(dir=os.path.dirname(dst) or '.') | |
422 | os.close(fd) |
|
422 | os.close(fd) | |
423 | os.unlink(temp) |
|
423 | os.unlink(temp) | |
424 | os.rename(dst, temp) |
|
424 | os.rename(dst, temp) | |
425 | os.unlink(temp) |
|
425 | os.unlink(temp) | |
426 | os.rename(src, dst) |
|
426 | os.rename(src, dst) | |
427 |
|
427 | |||
428 | def unlink(f): |
|
428 | def unlink(f): | |
429 | """unlink and remove the directory if it is empty""" |
|
429 | """unlink and remove the directory if it is empty""" | |
430 | os.unlink(f) |
|
430 | os.unlink(f) | |
431 | # try removing directories that might now be empty |
|
431 | # try removing directories that might now be empty | |
432 | try: |
|
432 | try: | |
433 | os.removedirs(os.path.dirname(f)) |
|
433 | os.removedirs(os.path.dirname(f)) | |
434 | except OSError: |
|
434 | except OSError: | |
435 | pass |
|
435 | pass | |
436 |
|
436 | |||
437 | def copyfiles(src, dst, hardlink=None): |
|
437 | def copyfiles(src, dst, hardlink=None): | |
438 | """Copy a directory tree using hardlinks if possible""" |
|
438 | """Copy a directory tree using hardlinks if possible""" | |
439 |
|
439 | |||
440 | if hardlink is None: |
|
440 | if hardlink is None: | |
441 | hardlink = (os.stat(src).st_dev == |
|
441 | hardlink = (os.stat(src).st_dev == | |
442 | os.stat(os.path.dirname(dst)).st_dev) |
|
442 | os.stat(os.path.dirname(dst)).st_dev) | |
443 |
|
443 | |||
444 | if os.path.isdir(src): |
|
444 | if os.path.isdir(src): | |
445 | os.mkdir(dst) |
|
445 | os.mkdir(dst) | |
446 | for name in os.listdir(src): |
|
446 | for name in os.listdir(src): | |
447 | srcname = os.path.join(src, name) |
|
447 | srcname = os.path.join(src, name) | |
448 | dstname = os.path.join(dst, name) |
|
448 | dstname = os.path.join(dst, name) | |
449 | copyfiles(srcname, dstname, hardlink) |
|
449 | copyfiles(srcname, dstname, hardlink) | |
450 | else: |
|
450 | else: | |
451 | if hardlink: |
|
451 | if hardlink: | |
452 | try: |
|
452 | try: | |
453 | os_link(src, dst) |
|
453 | os_link(src, dst) | |
454 | except (IOError, OSError): |
|
454 | except (IOError, OSError): | |
455 | hardlink = False |
|
455 | hardlink = False | |
456 | shutil.copy(src, dst) |
|
456 | shutil.copy(src, dst) | |
457 | else: |
|
457 | else: | |
458 | shutil.copy(src, dst) |
|
458 | shutil.copy(src, dst) | |
459 |
|
459 | |||
460 | def audit_path(path): |
|
460 | def audit_path(path): | |
461 | """Abort if path contains dangerous components""" |
|
461 | """Abort if path contains dangerous components""" | |
462 | parts = os.path.normcase(path).split(os.sep) |
|
462 | parts = os.path.normcase(path).split(os.sep) | |
463 | if (os.path.splitdrive(path)[0] or parts[0] in ('.hg', '') |
|
463 | if (os.path.splitdrive(path)[0] or parts[0] in ('.hg', '') | |
464 | or os.pardir in parts): |
|
464 | or os.pardir in parts): | |
465 | raise Abort(_("path contains illegal component: %s\n") % path) |
|
465 | raise Abort(_("path contains illegal component: %s\n") % path) | |
466 |
|
466 | |||
467 | def _makelock_file(info, pathname): |
|
467 | def _makelock_file(info, pathname): | |
468 | ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL) |
|
468 | ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL) | |
469 | os.write(ld, info) |
|
469 | os.write(ld, info) | |
470 | os.close(ld) |
|
470 | os.close(ld) | |
471 |
|
471 | |||
472 | def _readlock_file(pathname): |
|
472 | def _readlock_file(pathname): | |
473 | return posixfile(pathname).read() |
|
473 | return posixfile(pathname).read() | |
474 |
|
474 | |||
475 | def nlinks(pathname): |
|
475 | def nlinks(pathname): | |
476 | """Return number of hardlinks for the given file.""" |
|
476 | """Return number of hardlinks for the given file.""" | |
477 | return os.stat(pathname).st_nlink |
|
477 | return os.stat(pathname).st_nlink | |
478 |
|
478 | |||
479 | if hasattr(os, 'link'): |
|
479 | if hasattr(os, 'link'): | |
480 | os_link = os.link |
|
480 | os_link = os.link | |
481 | else: |
|
481 | else: | |
482 | def os_link(src, dst): |
|
482 | def os_link(src, dst): | |
483 | raise OSError(0, _("Hardlinks not supported")) |
|
483 | raise OSError(0, _("Hardlinks not supported")) | |
484 |
|
484 | |||
485 | def fstat(fp): |
|
485 | def fstat(fp): | |
486 | '''stat file object that may not have fileno method.''' |
|
486 | '''stat file object that may not have fileno method.''' | |
487 | try: |
|
487 | try: | |
488 | return os.fstat(fp.fileno()) |
|
488 | return os.fstat(fp.fileno()) | |
489 | except AttributeError: |
|
489 | except AttributeError: | |
490 | return os.stat(fp.name) |
|
490 | return os.stat(fp.name) | |
491 |
|
491 | |||
492 | posixfile = file |
|
492 | posixfile = file | |
493 |
|
493 | |||
494 | def is_win_9x(): |
|
494 | def is_win_9x(): | |
495 | '''return true if run on windows 95, 98 or me.''' |
|
495 | '''return true if run on windows 95, 98 or me.''' | |
496 | try: |
|
496 | try: | |
497 | return sys.getwindowsversion()[3] == 1 |
|
497 | return sys.getwindowsversion()[3] == 1 | |
498 | except AttributeError: |
|
498 | except AttributeError: | |
499 | return os.name == 'nt' and 'command' in os.environ.get('comspec', '') |
|
499 | return os.name == 'nt' and 'command' in os.environ.get('comspec', '') | |
500 |
|
500 | |||
501 | # Platform specific variants |
|
501 | # Platform specific variants | |
502 | if os.name == 'nt': |
|
502 | if os.name == 'nt': | |
503 | demandload(globals(), "msvcrt") |
|
503 | demandload(globals(), "msvcrt") | |
504 | nulldev = 'NUL:' |
|
504 | nulldev = 'NUL:' | |
505 |
|
505 | |||
506 | class winstdout: |
|
506 | class winstdout: | |
507 | '''stdout on windows misbehaves if sent through a pipe''' |
|
507 | '''stdout on windows misbehaves if sent through a pipe''' | |
508 |
|
508 | |||
509 | def __init__(self, fp): |
|
509 | def __init__(self, fp): | |
510 | self.fp = fp |
|
510 | self.fp = fp | |
511 |
|
511 | |||
512 | def __getattr__(self, key): |
|
512 | def __getattr__(self, key): | |
513 | return getattr(self.fp, key) |
|
513 | return getattr(self.fp, key) | |
514 |
|
514 | |||
515 | def close(self): |
|
515 | def close(self): | |
516 | try: |
|
516 | try: | |
517 | self.fp.close() |
|
517 | self.fp.close() | |
518 | except: pass |
|
518 | except: pass | |
519 |
|
519 | |||
520 | def write(self, s): |
|
520 | def write(self, s): | |
521 | try: |
|
521 | try: | |
522 | return self.fp.write(s) |
|
522 | return self.fp.write(s) | |
523 | except IOError, inst: |
|
523 | except IOError, inst: | |
524 | if inst.errno != 0: raise |
|
524 | if inst.errno != 0: raise | |
525 | self.close() |
|
525 | self.close() | |
526 | raise IOError(errno.EPIPE, 'Broken pipe') |
|
526 | raise IOError(errno.EPIPE, 'Broken pipe') | |
527 |
|
527 | |||
528 | sys.stdout = winstdout(sys.stdout) |
|
528 | sys.stdout = winstdout(sys.stdout) | |
529 |
|
529 | |||
530 | def system_rcpath(): |
|
530 | def system_rcpath(): | |
531 | try: |
|
531 | try: | |
532 | return system_rcpath_win32() |
|
532 | return system_rcpath_win32() | |
533 | except: |
|
533 | except: | |
534 | return [r'c:\mercurial\mercurial.ini'] |
|
534 | return [r'c:\mercurial\mercurial.ini'] | |
535 |
|
535 | |||
536 | def os_rcpath(): |
|
536 | def os_rcpath(): | |
537 | '''return default os-specific hgrc search path''' |
|
537 | '''return default os-specific hgrc search path''' | |
538 | return system_rcpath() + [os.path.join(os.path.expanduser('~'), |
|
538 | return system_rcpath() + [os.path.join(os.path.expanduser('~'), | |
539 | 'mercurial.ini')] |
|
539 | 'mercurial.ini')] | |
540 |
|
540 | |||
541 | def parse_patch_output(output_line): |
|
541 | def parse_patch_output(output_line): | |
542 | """parses the output produced by patch and returns the file name""" |
|
542 | """parses the output produced by patch and returns the file name""" | |
543 | pf = output_line[14:] |
|
543 | pf = output_line[14:] | |
544 | if pf[0] == '`': |
|
544 | if pf[0] == '`': | |
545 | pf = pf[1:-1] # Remove the quotes |
|
545 | pf = pf[1:-1] # Remove the quotes | |
546 | return pf |
|
546 | return pf | |
547 |
|
547 | |||
548 | def testpid(pid): |
|
548 | def testpid(pid): | |
549 | '''return False if pid dead, True if running or not known''' |
|
549 | '''return False if pid dead, True if running or not known''' | |
550 | return True |
|
550 | return True | |
551 |
|
551 | |||
552 | def is_exec(f, last): |
|
552 | def is_exec(f, last): | |
553 | return last |
|
553 | return last | |
554 |
|
554 | |||
555 | def set_exec(f, mode): |
|
555 | def set_exec(f, mode): | |
556 | pass |
|
556 | pass | |
557 |
|
557 | |||
558 | def set_binary(fd): |
|
558 | def set_binary(fd): | |
559 | msvcrt.setmode(fd.fileno(), os.O_BINARY) |
|
559 | msvcrt.setmode(fd.fileno(), os.O_BINARY) | |
560 |
|
560 | |||
561 | def pconvert(path): |
|
561 | def pconvert(path): | |
562 | return path.replace("\\", "/") |
|
562 | return path.replace("\\", "/") | |
563 |
|
563 | |||
564 | def localpath(path): |
|
564 | def localpath(path): | |
565 | return path.replace('/', '\\') |
|
565 | return path.replace('/', '\\') | |
566 |
|
566 | |||
567 | def normpath(path): |
|
567 | def normpath(path): | |
568 | return pconvert(os.path.normpath(path)) |
|
568 | return pconvert(os.path.normpath(path)) | |
569 |
|
569 | |||
570 | makelock = _makelock_file |
|
570 | makelock = _makelock_file | |
571 | readlock = _readlock_file |
|
571 | readlock = _readlock_file | |
572 |
|
572 | |||
573 | def samestat(s1, s2): |
|
573 | def samestat(s1, s2): | |
574 | return False |
|
574 | return False | |
575 |
|
575 | |||
576 | def explain_exit(code): |
|
576 | def explain_exit(code): | |
577 | return _("exited with status %d") % code, code |
|
577 | return _("exited with status %d") % code, code | |
578 |
|
578 | |||
579 | try: |
|
579 | try: | |
580 | # override functions with win32 versions if possible |
|
580 | # override functions with win32 versions if possible | |
581 | from util_win32 import * |
|
581 | from util_win32 import * | |
582 | if not is_win_9x(): |
|
582 | if not is_win_9x(): | |
583 | posixfile = posixfile_nt |
|
583 | posixfile = posixfile_nt | |
584 | except ImportError: |
|
584 | except ImportError: | |
585 | pass |
|
585 | pass | |
586 |
|
586 | |||
587 | else: |
|
587 | else: | |
588 | nulldev = '/dev/null' |
|
588 | nulldev = '/dev/null' | |
589 |
|
589 | |||
590 | def rcfiles(path): |
|
590 | def rcfiles(path): | |
591 | rcs = [os.path.join(path, 'hgrc')] |
|
591 | rcs = [os.path.join(path, 'hgrc')] | |
592 | rcdir = os.path.join(path, 'hgrc.d') |
|
592 | rcdir = os.path.join(path, 'hgrc.d') | |
593 | try: |
|
593 | try: | |
594 | rcs.extend([os.path.join(rcdir, f) for f in os.listdir(rcdir) |
|
594 | rcs.extend([os.path.join(rcdir, f) for f in os.listdir(rcdir) | |
595 | if f.endswith(".rc")]) |
|
595 | if f.endswith(".rc")]) | |
596 | except OSError, inst: pass |
|
596 | except OSError, inst: pass | |
597 | return rcs |
|
597 | return rcs | |
598 |
|
598 | |||
599 | def os_rcpath(): |
|
599 | def os_rcpath(): | |
600 | '''return default os-specific hgrc search path''' |
|
600 | '''return default os-specific hgrc search path''' | |
601 | path = [] |
|
601 | path = [] | |
602 | # old mod_python does not set sys.argv |
|
602 | # old mod_python does not set sys.argv | |
603 | if len(getattr(sys, 'argv', [])) > 0: |
|
603 | if len(getattr(sys, 'argv', [])) > 0: | |
604 | path.extend(rcfiles(os.path.dirname(sys.argv[0]) + |
|
604 | path.extend(rcfiles(os.path.dirname(sys.argv[0]) + | |
605 | '/../etc/mercurial')) |
|
605 | '/../etc/mercurial')) | |
606 | path.extend(rcfiles('/etc/mercurial')) |
|
606 | path.extend(rcfiles('/etc/mercurial')) | |
607 | path.append(os.path.expanduser('~/.hgrc')) |
|
607 | path.append(os.path.expanduser('~/.hgrc')) | |
608 | path = [os.path.normpath(f) for f in path] |
|
608 | path = [os.path.normpath(f) for f in path] | |
609 | return path |
|
609 | return path | |
610 |
|
610 | |||
611 | def parse_patch_output(output_line): |
|
611 | def parse_patch_output(output_line): | |
612 | """parses the output produced by patch and returns the file name""" |
|
612 | """parses the output produced by patch and returns the file name""" | |
613 | pf = output_line[14:] |
|
613 | pf = output_line[14:] | |
614 | if pf.startswith("'") and pf.endswith("'") and pf.find(" ") >= 0: |
|
614 | if pf.startswith("'") and pf.endswith("'") and pf.find(" ") >= 0: | |
615 | pf = pf[1:-1] # Remove the quotes |
|
615 | pf = pf[1:-1] # Remove the quotes | |
616 | return pf |
|
616 | return pf | |
617 |
|
617 | |||
618 | def is_exec(f, last): |
|
618 | def is_exec(f, last): | |
619 | """check whether a file is executable""" |
|
619 | """check whether a file is executable""" | |
620 | return (os.stat(f).st_mode & 0100 != 0) |
|
620 | return (os.stat(f).st_mode & 0100 != 0) | |
621 |
|
621 | |||
622 | def set_exec(f, mode): |
|
622 | def set_exec(f, mode): | |
623 | s = os.stat(f).st_mode |
|
623 | s = os.stat(f).st_mode | |
624 | if (s & 0100 != 0) == mode: |
|
624 | if (s & 0100 != 0) == mode: | |
625 | return |
|
625 | return | |
626 | if mode: |
|
626 | if mode: | |
627 | # Turn on +x for every +r bit when making a file executable |
|
627 | # Turn on +x for every +r bit when making a file executable | |
628 | # and obey umask. |
|
628 | # and obey umask. | |
629 | umask = os.umask(0) |
|
629 | umask = os.umask(0) | |
630 | os.umask(umask) |
|
630 | os.umask(umask) | |
631 | os.chmod(f, s | (s & 0444) >> 2 & ~umask) |
|
631 | os.chmod(f, s | (s & 0444) >> 2 & ~umask) | |
632 | else: |
|
632 | else: | |
633 | os.chmod(f, s & 0666) |
|
633 | os.chmod(f, s & 0666) | |
634 |
|
634 | |||
635 | def set_binary(fd): |
|
635 | def set_binary(fd): | |
636 | pass |
|
636 | pass | |
637 |
|
637 | |||
638 | def pconvert(path): |
|
638 | def pconvert(path): | |
639 | return path |
|
639 | return path | |
640 |
|
640 | |||
641 | def localpath(path): |
|
641 | def localpath(path): | |
642 | return path |
|
642 | return path | |
643 |
|
643 | |||
644 | normpath = os.path.normpath |
|
644 | normpath = os.path.normpath | |
645 | samestat = os.path.samestat |
|
645 | samestat = os.path.samestat | |
646 |
|
646 | |||
647 | def makelock(info, pathname): |
|
647 | def makelock(info, pathname): | |
648 | try: |
|
648 | try: | |
649 | os.symlink(info, pathname) |
|
649 | os.symlink(info, pathname) | |
650 | except OSError, why: |
|
650 | except OSError, why: | |
651 | if why.errno == errno.EEXIST: |
|
651 | if why.errno == errno.EEXIST: | |
652 | raise |
|
652 | raise | |
653 | else: |
|
653 | else: | |
654 | _makelock_file(info, pathname) |
|
654 | _makelock_file(info, pathname) | |
655 |
|
655 | |||
656 | def readlock(pathname): |
|
656 | def readlock(pathname): | |
657 | try: |
|
657 | try: | |
658 | return os.readlink(pathname) |
|
658 | return os.readlink(pathname) | |
659 | except OSError, why: |
|
659 | except OSError, why: | |
660 | if why.errno == errno.EINVAL: |
|
660 | if why.errno == errno.EINVAL: | |
661 | return _readlock_file(pathname) |
|
661 | return _readlock_file(pathname) | |
662 | else: |
|
662 | else: | |
663 | raise |
|
663 | raise | |
664 |
|
664 | |||
665 | def testpid(pid): |
|
665 | def testpid(pid): | |
666 | '''return False if pid dead, True if running or not sure''' |
|
666 | '''return False if pid dead, True if running or not sure''' | |
667 | try: |
|
667 | try: | |
668 | os.kill(pid, 0) |
|
668 | os.kill(pid, 0) | |
669 | return True |
|
669 | return True | |
670 | except OSError, inst: |
|
670 | except OSError, inst: | |
671 | return inst.errno != errno.ESRCH |
|
671 | return inst.errno != errno.ESRCH | |
672 |
|
672 | |||
673 | def explain_exit(code): |
|
673 | def explain_exit(code): | |
674 | """return a 2-tuple (desc, code) describing a process's status""" |
|
674 | """return a 2-tuple (desc, code) describing a process's status""" | |
675 | if os.WIFEXITED(code): |
|
675 | if os.WIFEXITED(code): | |
676 | val = os.WEXITSTATUS(code) |
|
676 | val = os.WEXITSTATUS(code) | |
677 | return _("exited with status %d") % val, val |
|
677 | return _("exited with status %d") % val, val | |
678 | elif os.WIFSIGNALED(code): |
|
678 | elif os.WIFSIGNALED(code): | |
679 | val = os.WTERMSIG(code) |
|
679 | val = os.WTERMSIG(code) | |
680 | return _("killed by signal %d") % val, val |
|
680 | return _("killed by signal %d") % val, val | |
681 | elif os.WIFSTOPPED(code): |
|
681 | elif os.WIFSTOPPED(code): | |
682 | val = os.WSTOPSIG(code) |
|
682 | val = os.WSTOPSIG(code) | |
683 | return _("stopped by signal %d") % val, val |
|
683 | return _("stopped by signal %d") % val, val | |
684 | raise ValueError(_("invalid exit code")) |
|
684 | raise ValueError(_("invalid exit code")) | |
685 |
|
685 | |||
686 | def opener(base, audit=True): |
|
686 | def opener(base, audit=True): | |
687 | """ |
|
687 | """ | |
688 | return a function that opens files relative to base |
|
688 | return a function that opens files relative to base | |
689 |
|
689 | |||
690 | this function is used to hide the details of COW semantics and |
|
690 | this function is used to hide the details of COW semantics and | |
691 | remote file access from higher level code. |
|
691 | remote file access from higher level code. | |
692 | """ |
|
692 | """ | |
693 | p = base |
|
693 | p = base | |
694 | audit_p = audit |
|
694 | audit_p = audit | |
695 |
|
695 | |||
696 | def mktempcopy(name): |
|
696 | def mktempcopy(name): | |
697 | d, fn = os.path.split(name) |
|
697 | d, fn = os.path.split(name) | |
698 | fd, temp = tempfile.mkstemp(prefix='.%s-' % fn, dir=d) |
|
698 | fd, temp = tempfile.mkstemp(prefix='.%s-' % fn, dir=d) | |
699 | os.close(fd) |
|
699 | os.close(fd) | |
700 | ofp = posixfile(temp, "wb") |
|
700 | ofp = posixfile(temp, "wb") | |
701 | try: |
|
701 | try: | |
702 | try: |
|
702 | try: | |
703 | ifp = posixfile(name, "rb") |
|
703 | ifp = posixfile(name, "rb") | |
704 | except IOError, inst: |
|
704 | except IOError, inst: | |
705 | if not getattr(inst, 'filename', None): |
|
705 | if not getattr(inst, 'filename', None): | |
706 | inst.filename = name |
|
706 | inst.filename = name | |
707 | raise |
|
707 | raise | |
708 | for chunk in filechunkiter(ifp): |
|
708 | for chunk in filechunkiter(ifp): | |
709 | ofp.write(chunk) |
|
709 | ofp.write(chunk) | |
710 | ifp.close() |
|
710 | ifp.close() | |
711 | ofp.close() |
|
711 | ofp.close() | |
712 | except: |
|
712 | except: | |
713 | try: os.unlink(temp) |
|
713 | try: os.unlink(temp) | |
714 | except: pass |
|
714 | except: pass | |
715 | raise |
|
715 | raise | |
716 | st = os.lstat(name) |
|
716 | st = os.lstat(name) | |
717 | os.chmod(temp, st.st_mode) |
|
717 | os.chmod(temp, st.st_mode) | |
718 | return temp |
|
718 | return temp | |
719 |
|
719 | |||
720 | class atomictempfile(posixfile): |
|
720 | class atomictempfile(posixfile): | |
721 | """the file will only be copied when rename is called""" |
|
721 | """the file will only be copied when rename is called""" | |
722 | def __init__(self, name, mode): |
|
722 | def __init__(self, name, mode): | |
723 | self.__name = name |
|
723 | self.__name = name | |
724 | self.temp = mktempcopy(name) |
|
724 | self.temp = mktempcopy(name) | |
725 | posixfile.__init__(self, self.temp, mode) |
|
725 | posixfile.__init__(self, self.temp, mode) | |
726 | def rename(self): |
|
726 | def rename(self): | |
727 | if not self.closed: |
|
727 | if not self.closed: | |
728 | posixfile.close(self) |
|
728 | posixfile.close(self) | |
729 | rename(self.temp, self.__name) |
|
729 | rename(self.temp, self.__name) | |
730 | def __del__(self): |
|
730 | def __del__(self): | |
731 | if not self.closed: |
|
731 | if not self.closed: | |
732 | try: |
|
732 | try: | |
733 | os.unlink(self.temp) |
|
733 | os.unlink(self.temp) | |
734 | except: pass |
|
734 | except: pass | |
735 | posixfile.close(self) |
|
735 | posixfile.close(self) | |
736 |
|
736 | |||
737 | class atomicfile(atomictempfile): |
|
737 | class atomicfile(atomictempfile): | |
738 | """the file will only be copied on close""" |
|
738 | """the file will only be copied on close""" | |
739 | def __init__(self, name, mode): |
|
739 | def __init__(self, name, mode): | |
740 | atomictempfile.__init__(self, name, mode) |
|
740 | atomictempfile.__init__(self, name, mode) | |
741 | def close(self): |
|
741 | def close(self): | |
742 | self.rename() |
|
742 | self.rename() | |
743 | def __del__(self): |
|
743 | def __del__(self): | |
744 | self.rename() |
|
744 | self.rename() | |
745 |
|
745 | |||
746 | def o(path, mode="r", text=False, atomic=False, atomictemp=False): |
|
746 | def o(path, mode="r", text=False, atomic=False, atomictemp=False): | |
747 | if audit_p: |
|
747 | if audit_p: | |
748 | audit_path(path) |
|
748 | audit_path(path) | |
749 | f = os.path.join(p, path) |
|
749 | f = os.path.join(p, path) | |
750 |
|
750 | |||
751 | if not text: |
|
751 | if not text: | |
752 | mode += "b" # for that other OS |
|
752 | mode += "b" # for that other OS | |
753 |
|
753 | |||
754 | if mode[0] != "r": |
|
754 | if mode[0] != "r": | |
755 | try: |
|
755 | try: | |
756 | nlink = nlinks(f) |
|
756 | nlink = nlinks(f) | |
757 | except OSError: |
|
757 | except OSError: | |
758 | d = os.path.dirname(f) |
|
758 | d = os.path.dirname(f) | |
759 | if not os.path.isdir(d): |
|
759 | if not os.path.isdir(d): | |
760 | os.makedirs(d) |
|
760 | os.makedirs(d) | |
761 | else: |
|
761 | else: | |
762 | if atomic: |
|
762 | if atomic: | |
763 | return atomicfile(f, mode) |
|
763 | return atomicfile(f, mode) | |
764 | elif atomictemp: |
|
764 | elif atomictemp: | |
765 | return atomictempfile(f, mode) |
|
765 | return atomictempfile(f, mode) | |
766 | if nlink > 1: |
|
766 | if nlink > 1: | |
767 | rename(mktempcopy(f), f) |
|
767 | rename(mktempcopy(f), f) | |
768 | return posixfile(f, mode) |
|
768 | return posixfile(f, mode) | |
769 |
|
769 | |||
770 | return o |
|
770 | return o | |
771 |
|
771 | |||
772 | class chunkbuffer(object): |
|
772 | class chunkbuffer(object): | |
773 | """Allow arbitrary sized chunks of data to be efficiently read from an |
|
773 | """Allow arbitrary sized chunks of data to be efficiently read from an | |
774 | iterator over chunks of arbitrary size.""" |
|
774 | iterator over chunks of arbitrary size.""" | |
775 |
|
775 | |||
776 | def __init__(self, in_iter, targetsize = 2**16): |
|
776 | def __init__(self, in_iter, targetsize = 2**16): | |
777 | """in_iter is the iterator that's iterating over the input chunks. |
|
777 | """in_iter is the iterator that's iterating over the input chunks. | |
778 | targetsize is how big a buffer to try to maintain.""" |
|
778 | targetsize is how big a buffer to try to maintain.""" | |
779 | self.in_iter = iter(in_iter) |
|
779 | self.in_iter = iter(in_iter) | |
780 | self.buf = '' |
|
780 | self.buf = '' | |
781 | self.targetsize = int(targetsize) |
|
781 | self.targetsize = int(targetsize) | |
782 | if self.targetsize <= 0: |
|
782 | if self.targetsize <= 0: | |
783 | raise ValueError(_("targetsize must be greater than 0, was %d") % |
|
783 | raise ValueError(_("targetsize must be greater than 0, was %d") % | |
784 | targetsize) |
|
784 | targetsize) | |
785 | self.iterempty = False |
|
785 | self.iterempty = False | |
786 |
|
786 | |||
787 | def fillbuf(self): |
|
787 | def fillbuf(self): | |
788 | """Ignore target size; read every chunk from iterator until empty.""" |
|
788 | """Ignore target size; read every chunk from iterator until empty.""" | |
789 | if not self.iterempty: |
|
789 | if not self.iterempty: | |
790 | collector = cStringIO.StringIO() |
|
790 | collector = cStringIO.StringIO() | |
791 | collector.write(self.buf) |
|
791 | collector.write(self.buf) | |
792 | for ch in self.in_iter: |
|
792 | for ch in self.in_iter: | |
793 | collector.write(ch) |
|
793 | collector.write(ch) | |
794 | self.buf = collector.getvalue() |
|
794 | self.buf = collector.getvalue() | |
795 | self.iterempty = True |
|
795 | self.iterempty = True | |
796 |
|
796 | |||
797 | def read(self, l): |
|
797 | def read(self, l): | |
798 | """Read L bytes of data from the iterator of chunks of data. |
|
798 | """Read L bytes of data from the iterator of chunks of data. | |
799 | Returns less than L bytes if the iterator runs dry.""" |
|
799 | Returns less than L bytes if the iterator runs dry.""" | |
800 | if l > len(self.buf) and not self.iterempty: |
|
800 | if l > len(self.buf) and not self.iterempty: | |
801 | # Clamp to a multiple of self.targetsize |
|
801 | # Clamp to a multiple of self.targetsize | |
802 | targetsize = self.targetsize * ((l // self.targetsize) + 1) |
|
802 | targetsize = self.targetsize * ((l // self.targetsize) + 1) | |
803 | collector = cStringIO.StringIO() |
|
803 | collector = cStringIO.StringIO() | |
804 | collector.write(self.buf) |
|
804 | collector.write(self.buf) | |
805 | collected = len(self.buf) |
|
805 | collected = len(self.buf) | |
806 | for chunk in self.in_iter: |
|
806 | for chunk in self.in_iter: | |
807 | collector.write(chunk) |
|
807 | collector.write(chunk) | |
808 | collected += len(chunk) |
|
808 | collected += len(chunk) | |
809 | if collected >= targetsize: |
|
809 | if collected >= targetsize: | |
810 | break |
|
810 | break | |
811 | if collected < targetsize: |
|
811 | if collected < targetsize: | |
812 | self.iterempty = True |
|
812 | self.iterempty = True | |
813 | self.buf = collector.getvalue() |
|
813 | self.buf = collector.getvalue() | |
814 | s, self.buf = self.buf[:l], buffer(self.buf, l) |
|
814 | s, self.buf = self.buf[:l], buffer(self.buf, l) | |
815 | return s |
|
815 | return s | |
816 |
|
816 | |||
817 | def filechunkiter(f, size = 65536): |
|
817 | def filechunkiter(f, size = 65536): | |
818 | """Create a generator that produces all the data in the file size |
|
818 | """Create a generator that produces all the data in the file size | |
819 | (default 65536) bytes at a time. Chunks may be less than size |
|
819 | (default 65536) bytes at a time. Chunks may be less than size | |
820 | bytes if the chunk is the last chunk in the file, or the file is a |
|
820 | bytes if the chunk is the last chunk in the file, or the file is a | |
821 | socket or some other type of file that sometimes reads less data |
|
821 | socket or some other type of file that sometimes reads less data | |
822 | than is requested.""" |
|
822 | than is requested.""" | |
823 | s = f.read(size) |
|
823 | s = f.read(size) | |
824 | while len(s) > 0: |
|
824 | while len(s) > 0: | |
825 | yield s |
|
825 | yield s | |
826 | s = f.read(size) |
|
826 | s = f.read(size) | |
827 |
|
827 | |||
828 | def makedate(): |
|
828 | def makedate(): | |
829 | lt = time.localtime() |
|
829 | lt = time.localtime() | |
830 | if lt[8] == 1 and time.daylight: |
|
830 | if lt[8] == 1 and time.daylight: | |
831 | tz = time.altzone |
|
831 | tz = time.altzone | |
832 | else: |
|
832 | else: | |
833 | tz = time.timezone |
|
833 | tz = time.timezone | |
834 | return time.mktime(lt), tz |
|
834 | return time.mktime(lt), tz | |
835 |
|
835 | |||
836 | def datestr(date=None, format='%a %b %d %H:%M:%S %Y', timezone=True): |
|
836 | def datestr(date=None, format='%a %b %d %H:%M:%S %Y', timezone=True): | |
837 | """represent a (unixtime, offset) tuple as a localized time. |
|
837 | """represent a (unixtime, offset) tuple as a localized time. | |
838 | unixtime is seconds since the epoch, and offset is the time zone's |
|
838 | unixtime is seconds since the epoch, and offset is the time zone's | |
839 | number of seconds away from UTC. if timezone is false, do not |
|
839 | number of seconds away from UTC. if timezone is false, do not | |
840 | append time zone to string.""" |
|
840 | append time zone to string.""" | |
841 | t, tz = date or makedate() |
|
841 | t, tz = date or makedate() | |
842 | s = time.strftime(format, time.gmtime(float(t) - tz)) |
|
842 | s = time.strftime(format, time.gmtime(float(t) - tz)) | |
843 | if timezone: |
|
843 | if timezone: | |
844 | s += " %+03d%02d" % (-tz / 3600, ((-tz % 3600) / 60)) |
|
844 | s += " %+03d%02d" % (-tz / 3600, ((-tz % 3600) / 60)) | |
845 | return s |
|
845 | return s | |
846 |
|
846 | |||
847 | def shortuser(user): |
|
847 | def shortuser(user): | |
848 | """Return a short representation of a user name or email address.""" |
|
848 | """Return a short representation of a user name or email address.""" | |
849 | f = user.find('@') |
|
849 | f = user.find('@') | |
850 | if f >= 0: |
|
850 | if f >= 0: | |
851 | user = user[:f] |
|
851 | user = user[:f] | |
852 | f = user.find('<') |
|
852 | f = user.find('<') | |
853 | if f >= 0: |
|
853 | if f >= 0: | |
854 | user = user[f+1:] |
|
854 | user = user[f+1:] | |
855 | return user |
|
855 | return user | |
856 |
|
856 | |||
857 | def walkrepos(path): |
|
857 | def walkrepos(path): | |
858 | '''yield every hg repository under path, recursively.''' |
|
858 | '''yield every hg repository under path, recursively.''' | |
859 | def errhandler(err): |
|
859 | def errhandler(err): | |
860 | if err.filename == path: |
|
860 | if err.filename == path: | |
861 | raise err |
|
861 | raise err | |
862 |
|
862 | |||
863 | for root, dirs, files in os.walk(path, onerror=errhandler): |
|
863 | for root, dirs, files in os.walk(path, onerror=errhandler): | |
864 | for d in dirs: |
|
864 | for d in dirs: | |
865 | if d == '.hg': |
|
865 | if d == '.hg': | |
866 | yield root |
|
866 | yield root | |
867 | dirs[:] = [] |
|
867 | dirs[:] = [] | |
868 | break |
|
868 | break | |
869 |
|
869 | |||
870 | _rcpath = None |
|
870 | _rcpath = None | |
871 |
|
871 | |||
872 | def rcpath(): |
|
872 | def rcpath(): | |
873 | '''return hgrc search path. if env var HGRCPATH is set, use it. |
|
873 | '''return hgrc search path. if env var HGRCPATH is set, use it. | |
874 | for each item in path, if directory, use files ending in .rc, |
|
874 | for each item in path, if directory, use files ending in .rc, | |
875 | else use item. |
|
875 | else use item. | |
876 | make HGRCPATH empty to only look in .hg/hgrc of current repo. |
|
876 | make HGRCPATH empty to only look in .hg/hgrc of current repo. | |
877 | if no HGRCPATH, use default os-specific path.''' |
|
877 | if no HGRCPATH, use default os-specific path.''' | |
878 | global _rcpath |
|
878 | global _rcpath | |
879 | if _rcpath is None: |
|
879 | if _rcpath is None: | |
880 | if 'HGRCPATH' in os.environ: |
|
880 | if 'HGRCPATH' in os.environ: | |
881 | _rcpath = [] |
|
881 | _rcpath = [] | |
882 | for p in os.environ['HGRCPATH'].split(os.pathsep): |
|
882 | for p in os.environ['HGRCPATH'].split(os.pathsep): | |
883 | if not p: continue |
|
883 | if not p: continue | |
884 | if os.path.isdir(p): |
|
884 | if os.path.isdir(p): | |
885 | for f in os.listdir(p): |
|
885 | for f in os.listdir(p): | |
886 | if f.endswith('.rc'): |
|
886 | if f.endswith('.rc'): | |
887 | _rcpath.append(os.path.join(p, f)) |
|
887 | _rcpath.append(os.path.join(p, f)) | |
888 | else: |
|
888 | else: | |
889 | _rcpath.append(p) |
|
889 | _rcpath.append(p) | |
890 | else: |
|
890 | else: | |
891 | _rcpath = os_rcpath() |
|
891 | _rcpath = os_rcpath() | |
892 | return _rcpath |
|
892 | return _rcpath |
General Comments 0
You need to be logged in to leave comments.
Login now