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@@ -1,226 +1,228 b'' | |||||
1 | # hook.py - hook support for mercurial |
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1 | # hook.py - hook support for mercurial | |
2 | # |
|
2 | # | |
3 | # Copyright 2007 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2007 Matt Mackall <mpm@selenic.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from __future__ import absolute_import |
|
8 | from __future__ import absolute_import | |
9 |
|
9 | |||
10 | import os |
|
10 | import os | |
11 | import sys |
|
11 | import sys | |
12 | import time |
|
12 | import time | |
13 |
|
13 | |||
14 | from .i18n import _ |
|
14 | from .i18n import _ | |
15 | from . import ( |
|
15 | from . import ( | |
16 | demandimport, |
|
16 | demandimport, | |
17 | error, |
|
17 | error, | |
18 | extensions, |
|
18 | extensions, | |
19 | util, |
|
19 | util, | |
20 | ) |
|
20 | ) | |
21 |
|
21 | |||
22 | def _pythonhook(ui, repo, name, hname, funcname, args, throw): |
|
22 | def _pythonhook(ui, repo, name, hname, funcname, args, throw): | |
23 | '''call python hook. hook is callable object, looked up as |
|
23 | '''call python hook. hook is callable object, looked up as | |
24 | name in python module. if callable returns "true", hook |
|
24 | name in python module. if callable returns "true", hook | |
25 | fails, else passes. if hook raises exception, treated as |
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25 | fails, else passes. if hook raises exception, treated as | |
26 | hook failure. exception propagates if throw is "true". |
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26 | hook failure. exception propagates if throw is "true". | |
27 |
|
27 | |||
28 | reason for "true" meaning "hook failed" is so that |
|
28 | reason for "true" meaning "hook failed" is so that | |
29 | unmodified commands (e.g. mercurial.commands.update) can |
|
29 | unmodified commands (e.g. mercurial.commands.update) can | |
30 | be run as hooks without wrappers to convert return values.''' |
|
30 | be run as hooks without wrappers to convert return values.''' | |
31 |
|
31 | |||
32 | if callable(funcname): |
|
32 | if callable(funcname): | |
33 | obj = funcname |
|
33 | obj = funcname | |
34 | funcname = obj.__module__ + "." + obj.__name__ |
|
34 | funcname = obj.__module__ + "." + obj.__name__ | |
35 | else: |
|
35 | else: | |
36 | d = funcname.rfind('.') |
|
36 | d = funcname.rfind('.') | |
37 | if d == -1: |
|
37 | if d == -1: | |
38 | raise error.HookLoadError( |
|
38 | raise error.HookLoadError( | |
39 | _('%s hook is invalid ("%s" not in a module)') |
|
39 | _('%s hook is invalid ("%s" not in a module)') | |
40 | % (hname, funcname)) |
|
40 | % (hname, funcname)) | |
41 | modname = funcname[:d] |
|
41 | modname = funcname[:d] | |
42 | oldpaths = sys.path |
|
42 | oldpaths = sys.path | |
43 | if util.mainfrozen(): |
|
43 | if util.mainfrozen(): | |
44 | # binary installs require sys.path manipulation |
|
44 | # binary installs require sys.path manipulation | |
45 | modpath, modfile = os.path.split(modname) |
|
45 | modpath, modfile = os.path.split(modname) | |
46 | if modpath and modfile: |
|
46 | if modpath and modfile: | |
47 | sys.path = sys.path[:] + [modpath] |
|
47 | sys.path = sys.path[:] + [modpath] | |
48 | modname = modfile |
|
48 | modname = modfile | |
49 | with demandimport.deactivated(): |
|
49 | with demandimport.deactivated(): | |
50 | try: |
|
50 | try: | |
51 | obj = __import__(modname) |
|
51 | obj = __import__(modname) | |
52 | except ImportError: |
|
52 | except ImportError: | |
53 | e1 = sys.exc_type, sys.exc_value, sys.exc_traceback |
|
53 | e1 = sys.exc_type, sys.exc_value, sys.exc_traceback | |
54 | try: |
|
54 | try: | |
55 | # extensions are loaded with hgext_ prefix |
|
55 | # extensions are loaded with hgext_ prefix | |
56 | obj = __import__("hgext_%s" % modname) |
|
56 | obj = __import__("hgext_%s" % modname) | |
57 | except ImportError: |
|
57 | except ImportError: | |
58 | e2 = sys.exc_type, sys.exc_value, sys.exc_traceback |
|
58 | e2 = sys.exc_type, sys.exc_value, sys.exc_traceback | |
59 | if ui.tracebackflag: |
|
59 | if ui.tracebackflag: | |
60 | ui.warn(_('exception from first failed import ' |
|
60 | ui.warn(_('exception from first failed import ' | |
61 | 'attempt:\n')) |
|
61 | 'attempt:\n')) | |
62 | ui.traceback(e1) |
|
62 | ui.traceback(e1) | |
63 | if ui.tracebackflag: |
|
63 | if ui.tracebackflag: | |
64 | ui.warn(_('exception from second failed import ' |
|
64 | ui.warn(_('exception from second failed import ' | |
65 | 'attempt:\n')) |
|
65 | 'attempt:\n')) | |
66 | ui.traceback(e2) |
|
66 | ui.traceback(e2) | |
67 | raise error.HookLoadError( |
|
67 | raise error.HookLoadError( | |
68 | _('%s hook is invalid (import of "%s" failed)') % |
|
68 | _('%s hook is invalid (import of "%s" failed)') % | |
69 | (hname, modname)) |
|
69 | (hname, modname)) | |
70 | sys.path = oldpaths |
|
70 | sys.path = oldpaths | |
71 | try: |
|
71 | try: | |
72 | for p in funcname.split('.')[1:]: |
|
72 | for p in funcname.split('.')[1:]: | |
73 | obj = getattr(obj, p) |
|
73 | obj = getattr(obj, p) | |
74 | except AttributeError: |
|
74 | except AttributeError: | |
75 | raise error.HookLoadError( |
|
75 | raise error.HookLoadError( | |
76 | _('%s hook is invalid ("%s" is not defined)') |
|
76 | _('%s hook is invalid ("%s" is not defined)') | |
77 | % (hname, funcname)) |
|
77 | % (hname, funcname)) | |
78 | if not callable(obj): |
|
78 | if not callable(obj): | |
79 | raise error.HookLoadError( |
|
79 | raise error.HookLoadError( | |
80 | _('%s hook is invalid ("%s" is not callable)') |
|
80 | _('%s hook is invalid ("%s" is not callable)') | |
81 | % (hname, funcname)) |
|
81 | % (hname, funcname)) | |
82 |
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82 | |||
83 | ui.note(_("calling hook %s: %s\n") % (hname, funcname)) |
|
83 | ui.note(_("calling hook %s: %s\n") % (hname, funcname)) | |
84 | starttime = time.time() |
|
84 | starttime = time.time() | |
85 |
|
85 | |||
86 | try: |
|
86 | try: | |
87 | # redirect IO descriptors to the ui descriptors so hooks |
|
87 | # redirect IO descriptors to the ui descriptors so hooks | |
88 | # that write directly to these don't mess up the command |
|
88 | # that write directly to these don't mess up the command | |
89 | # protocol when running through the command server |
|
89 | # protocol when running through the command server | |
90 | old = sys.stdout, sys.stderr, sys.stdin |
|
90 | old = sys.stdout, sys.stderr, sys.stdin | |
91 | sys.stdout, sys.stderr, sys.stdin = ui.fout, ui.ferr, ui.fin |
|
91 | sys.stdout, sys.stderr, sys.stdin = ui.fout, ui.ferr, ui.fin | |
92 |
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92 | |||
93 | r = obj(ui=ui, repo=repo, hooktype=name, **args) |
|
93 | r = obj(ui=ui, repo=repo, hooktype=name, **args) | |
94 | except Exception as exc: |
|
94 | except Exception as exc: | |
95 | if isinstance(exc, error.Abort): |
|
95 | if isinstance(exc, error.Abort): | |
96 | ui.warn(_('error: %s hook failed: %s\n') % |
|
96 | ui.warn(_('error: %s hook failed: %s\n') % | |
97 | (hname, exc.args[0])) |
|
97 | (hname, exc.args[0])) | |
98 | else: |
|
98 | else: | |
99 | ui.warn(_('error: %s hook raised an exception: ' |
|
99 | ui.warn(_('error: %s hook raised an exception: ' | |
100 | '%s\n') % (hname, exc)) |
|
100 | '%s\n') % (hname, exc)) | |
101 | if throw: |
|
101 | if throw: | |
102 | raise |
|
102 | raise | |
103 | ui.traceback() |
|
103 | ui.traceback() | |
104 | return True |
|
104 | return True, True | |
105 | finally: |
|
105 | finally: | |
106 | sys.stdout, sys.stderr, sys.stdin = old |
|
106 | sys.stdout, sys.stderr, sys.stdin = old | |
107 | duration = time.time() - starttime |
|
107 | duration = time.time() - starttime | |
108 | ui.log('pythonhook', 'pythonhook-%s: %s finished in %0.2f seconds\n', |
|
108 | ui.log('pythonhook', 'pythonhook-%s: %s finished in %0.2f seconds\n', | |
109 | name, funcname, duration) |
|
109 | name, funcname, duration) | |
110 | if r: |
|
110 | if r: | |
111 | if throw: |
|
111 | if throw: | |
112 | raise error.HookAbort(_('%s hook failed') % hname) |
|
112 | raise error.HookAbort(_('%s hook failed') % hname) | |
113 | ui.warn(_('warning: %s hook failed\n') % hname) |
|
113 | ui.warn(_('warning: %s hook failed\n') % hname) | |
114 | return r |
|
114 | return r, False | |
115 |
|
115 | |||
116 | def _exthook(ui, repo, name, cmd, args, throw): |
|
116 | def _exthook(ui, repo, name, cmd, args, throw): | |
117 | ui.note(_("running hook %s: %s\n") % (name, cmd)) |
|
117 | ui.note(_("running hook %s: %s\n") % (name, cmd)) | |
118 |
|
118 | |||
119 | starttime = time.time() |
|
119 | starttime = time.time() | |
120 | env = {} |
|
120 | env = {} | |
121 | for k, v in args.iteritems(): |
|
121 | for k, v in args.iteritems(): | |
122 | if callable(v): |
|
122 | if callable(v): | |
123 | v = v() |
|
123 | v = v() | |
124 | if isinstance(v, dict): |
|
124 | if isinstance(v, dict): | |
125 | # make the dictionary element order stable across Python |
|
125 | # make the dictionary element order stable across Python | |
126 | # implementations |
|
126 | # implementations | |
127 | v = ('{' + |
|
127 | v = ('{' + | |
128 | ', '.join('%r: %r' % i for i in sorted(v.iteritems())) + |
|
128 | ', '.join('%r: %r' % i for i in sorted(v.iteritems())) + | |
129 | '}') |
|
129 | '}') | |
130 | env['HG_' + k.upper()] = v |
|
130 | env['HG_' + k.upper()] = v | |
131 |
|
131 | |||
132 | if repo: |
|
132 | if repo: | |
133 | cwd = repo.root |
|
133 | cwd = repo.root | |
134 | else: |
|
134 | else: | |
135 | cwd = os.getcwd() |
|
135 | cwd = os.getcwd() | |
136 | r = ui.system(cmd, environ=env, cwd=cwd) |
|
136 | r = ui.system(cmd, environ=env, cwd=cwd) | |
137 |
|
137 | |||
138 | duration = time.time() - starttime |
|
138 | duration = time.time() - starttime | |
139 | ui.log('exthook', 'exthook-%s: %s finished in %0.2f seconds\n', |
|
139 | ui.log('exthook', 'exthook-%s: %s finished in %0.2f seconds\n', | |
140 | name, cmd, duration) |
|
140 | name, cmd, duration) | |
141 | if r: |
|
141 | if r: | |
142 | desc, r = util.explainexit(r) |
|
142 | desc, r = util.explainexit(r) | |
143 | if throw: |
|
143 | if throw: | |
144 | raise error.HookAbort(_('%s hook %s') % (name, desc)) |
|
144 | raise error.HookAbort(_('%s hook %s') % (name, desc)) | |
145 | ui.warn(_('warning: %s hook %s\n') % (name, desc)) |
|
145 | ui.warn(_('warning: %s hook %s\n') % (name, desc)) | |
146 | return r |
|
146 | return r | |
147 |
|
147 | |||
148 | def _allhooks(ui): |
|
148 | def _allhooks(ui): | |
149 | hooks = [] |
|
149 | hooks = [] | |
150 | for name, cmd in ui.configitems('hooks'): |
|
150 | for name, cmd in ui.configitems('hooks'): | |
151 | if not name.startswith('priority'): |
|
151 | if not name.startswith('priority'): | |
152 | priority = ui.configint('hooks', 'priority.%s' % name, 0) |
|
152 | priority = ui.configint('hooks', 'priority.%s' % name, 0) | |
153 | hooks.append((-priority, len(hooks), name, cmd)) |
|
153 | hooks.append((-priority, len(hooks), name, cmd)) | |
154 | return [(k, v) for p, o, k, v in sorted(hooks)] |
|
154 | return [(k, v) for p, o, k, v in sorted(hooks)] | |
155 |
|
155 | |||
156 | _redirect = False |
|
156 | _redirect = False | |
157 | def redirect(state): |
|
157 | def redirect(state): | |
158 | global _redirect |
|
158 | global _redirect | |
159 | _redirect = state |
|
159 | _redirect = state | |
160 |
|
160 | |||
161 | def hook(ui, repo, name, throw=False, **args): |
|
161 | def hook(ui, repo, name, throw=False, **args): | |
162 | if not ui.callhooks: |
|
162 | if not ui.callhooks: | |
163 | return False |
|
163 | return False | |
164 |
|
164 | |||
165 | hooks = [] |
|
165 | hooks = [] | |
166 | for hname, cmd in _allhooks(ui): |
|
166 | for hname, cmd in _allhooks(ui): | |
167 | if hname.split('.')[0] == name and cmd: |
|
167 | if hname.split('.')[0] == name and cmd: | |
168 | hooks.append((hname, cmd)) |
|
168 | hooks.append((hname, cmd)) | |
169 |
|
169 | |||
170 | res = runhooks(ui, repo, name, hooks, throw=throw, **args) |
|
170 | res = runhooks(ui, repo, name, hooks, throw=throw, **args) | |
171 | r = False |
|
171 | r = False | |
172 | for hname, cmd in hooks: |
|
172 | for hname, cmd in hooks: | |
173 | r = res[hname] or r |
|
173 | r = res[hname][0] or r | |
174 | return r |
|
174 | return r | |
175 |
|
175 | |||
176 | def runhooks(ui, repo, name, hooks, throw=False, **args): |
|
176 | def runhooks(ui, repo, name, hooks, throw=False, **args): | |
177 | res = {} |
|
177 | res = {} | |
178 | oldstdout = -1 |
|
178 | oldstdout = -1 | |
179 |
|
179 | |||
180 | try: |
|
180 | try: | |
181 | for hname, cmd in hooks: |
|
181 | for hname, cmd in hooks: | |
182 | if oldstdout == -1 and _redirect: |
|
182 | if oldstdout == -1 and _redirect: | |
183 | try: |
|
183 | try: | |
184 | stdoutno = sys.__stdout__.fileno() |
|
184 | stdoutno = sys.__stdout__.fileno() | |
185 | stderrno = sys.__stderr__.fileno() |
|
185 | stderrno = sys.__stderr__.fileno() | |
186 | # temporarily redirect stdout to stderr, if possible |
|
186 | # temporarily redirect stdout to stderr, if possible | |
187 | if stdoutno >= 0 and stderrno >= 0: |
|
187 | if stdoutno >= 0 and stderrno >= 0: | |
188 | sys.__stdout__.flush() |
|
188 | sys.__stdout__.flush() | |
189 | oldstdout = os.dup(stdoutno) |
|
189 | oldstdout = os.dup(stdoutno) | |
190 | os.dup2(stderrno, stdoutno) |
|
190 | os.dup2(stderrno, stdoutno) | |
191 | except (OSError, AttributeError): |
|
191 | except (OSError, AttributeError): | |
192 | # files seem to be bogus, give up on redirecting (WSGI, etc) |
|
192 | # files seem to be bogus, give up on redirecting (WSGI, etc) | |
193 | pass |
|
193 | pass | |
194 |
|
194 | |||
195 | if callable(cmd): |
|
195 | if callable(cmd): | |
196 | r = _pythonhook(ui, repo, name, hname, cmd, args, throw) |
|
196 | r, raised = _pythonhook(ui, repo, name, hname, cmd, args, throw) | |
197 | elif cmd.startswith('python:'): |
|
197 | elif cmd.startswith('python:'): | |
198 | if cmd.count(':') >= 2: |
|
198 | if cmd.count(':') >= 2: | |
199 | path, cmd = cmd[7:].rsplit(':', 1) |
|
199 | path, cmd = cmd[7:].rsplit(':', 1) | |
200 | path = util.expandpath(path) |
|
200 | path = util.expandpath(path) | |
201 | if repo: |
|
201 | if repo: | |
202 | path = os.path.join(repo.root, path) |
|
202 | path = os.path.join(repo.root, path) | |
203 | try: |
|
203 | try: | |
204 | mod = extensions.loadpath(path, 'hghook.%s' % hname) |
|
204 | mod = extensions.loadpath(path, 'hghook.%s' % hname) | |
205 | except Exception: |
|
205 | except Exception: | |
206 | ui.write(_("loading %s hook failed:\n") % hname) |
|
206 | ui.write(_("loading %s hook failed:\n") % hname) | |
207 | raise |
|
207 | raise | |
208 | hookfn = getattr(mod, cmd) |
|
208 | hookfn = getattr(mod, cmd) | |
209 | else: |
|
209 | else: | |
210 | hookfn = cmd[7:].strip() |
|
210 | hookfn = cmd[7:].strip() | |
211 |
r = _pythonhook(ui, repo, name, hname, hookfn, args, |
|
211 | r, raised = _pythonhook(ui, repo, name, hname, hookfn, args, | |
|
212 | throw) | |||
212 | else: |
|
213 | else: | |
213 | r = _exthook(ui, repo, hname, cmd, args, throw) |
|
214 | r = _exthook(ui, repo, hname, cmd, args, throw) | |
|
215 | raised = False | |||
214 |
|
216 | |||
215 | res[hname] = r |
|
217 | res[hname] = r, raised | |
216 |
|
218 | |||
217 | # The stderr is fully buffered on Windows when connected to a pipe. |
|
219 | # The stderr is fully buffered on Windows when connected to a pipe. | |
218 | # A forcible flush is required to make small stderr data in the |
|
220 | # A forcible flush is required to make small stderr data in the | |
219 | # remote side available to the client immediately. |
|
221 | # remote side available to the client immediately. | |
220 | sys.stderr.flush() |
|
222 | sys.stderr.flush() | |
221 | finally: |
|
223 | finally: | |
222 | if _redirect and oldstdout >= 0: |
|
224 | if _redirect and oldstdout >= 0: | |
223 | os.dup2(oldstdout, stdoutno) |
|
225 | os.dup2(oldstdout, stdoutno) | |
224 | os.close(oldstdout) |
|
226 | os.close(oldstdout) | |
225 |
|
227 | |||
226 | return res |
|
228 | return res |
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