|
|
#require execbit unix-permissions no-chg
|
|
|
|
|
|
Checking that experimental.atomic-file works.
|
|
|
|
|
|
$ cat > $TESTTMP/show_mode.py <<EOF
|
|
|
> import os
|
|
|
> import stat
|
|
|
> import sys
|
|
|
> ST_MODE = stat.ST_MODE
|
|
|
>
|
|
|
> for file_path in sys.argv[1:]:
|
|
|
> file_stat = os.stat(file_path)
|
|
|
> octal_mode = oct(file_stat[ST_MODE] & 0o777).replace('o', '')
|
|
|
> print("%s:%s" % (file_path, octal_mode))
|
|
|
>
|
|
|
> EOF
|
|
|
|
|
|
$ hg init repo
|
|
|
$ cd repo
|
|
|
|
|
|
$ cat > .hg/showwrites.py <<EOF
|
|
|
> from mercurial import pycompat
|
|
|
> from mercurial.utils import stringutil
|
|
|
> def uisetup(ui):
|
|
|
> from mercurial import vfs
|
|
|
> class newvfs(vfs.vfs):
|
|
|
> def __call__(self, *args, **kwargs):
|
|
|
> print(pycompat.sysstr(stringutil.pprint(
|
|
|
> ('vfs open', args, sorted(list(kwargs.items()))))))
|
|
|
> return super(newvfs, self).__call__(*args, **kwargs)
|
|
|
> vfs.vfs = newvfs
|
|
|
> EOF
|
|
|
|
|
|
$ for v in a1 a2 b1 b2 c ro; do echo $v > $v; done
|
|
|
$ chmod +x b*
|
|
|
$ hg commit -Aqm _
|
|
|
|
|
|
# We check that
|
|
|
# - the changes are actually atomic
|
|
|
# - that permissions are correct (all 4 cases of (executable before) * (executable after))
|
|
|
# - that renames work, though they should be atomic anyway
|
|
|
# - that it works when source files are read-only (but directories are read-write still)
|
|
|
|
|
|
$ for v in a1 a2 b1 b2 ro; do echo changed-$v > $v; done
|
|
|
$ chmod -x *1; chmod +x *2
|
|
|
$ hg rename c d
|
|
|
$ hg commit -qm _
|
|
|
|
|
|
Check behavior without update.atomic-file
|
|
|
|
|
|
$ hg update -r 0 -q
|
|
|
$ hg update -r 1 --config extensions.showwrites=.hg/showwrites.py 2>&1 | grep "a1'.*wb"
|
|
|
('vfs open', ('a1', 'wb'), [('atomictemp', False), ('backgroundclose', True)])
|
|
|
|
|
|
$ "$PYTHON" $TESTTMP/show_mode.py *
|
|
|
a1:0644
|
|
|
a2:0755
|
|
|
b1:0644
|
|
|
b2:0755
|
|
|
d:0644
|
|
|
ro:0644
|
|
|
|
|
|
Add a second revision for the ro file so we can test update when the file is
|
|
|
present or not
|
|
|
|
|
|
$ echo "ro" > ro
|
|
|
|
|
|
$ hg commit -qm _
|
|
|
|
|
|
Check behavior without update.atomic-file first
|
|
|
|
|
|
$ hg update -C -r 0 -q
|
|
|
|
|
|
$ hg update -r 1
|
|
|
6 files updated, 0 files merged, 1 files removed, 0 files unresolved
|
|
|
|
|
|
$ "$PYTHON" $TESTTMP/show_mode.py *
|
|
|
a1:0644
|
|
|
a2:0755
|
|
|
b1:0644
|
|
|
b2:0755
|
|
|
d:0644
|
|
|
ro:0644
|
|
|
|
|
|
Manually reset the mode of the read-only file
|
|
|
|
|
|
$ chmod a-w ro
|
|
|
|
|
|
$ "$PYTHON" $TESTTMP/show_mode.py ro
|
|
|
ro:0444
|
|
|
|
|
|
Now the file is present, try to update and check the permissions of the file
|
|
|
|
|
|
$ hg up -r 2
|
|
|
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
|
|
|
|
|
|
$ "$PYTHON" $TESTTMP/show_mode.py ro
|
|
|
ro:0644
|
|
|
|
|
|
# The file which was read-only is now writable in the default behavior
|
|
|
|
|
|
Check behavior with update.atomic-files
|
|
|
|
|
|
|
|
|
$ cat >> .hg/hgrc <<EOF
|
|
|
> [experimental]
|
|
|
> update.atomic-file = true
|
|
|
> EOF
|
|
|
|
|
|
$ hg update -C -r 0 -q
|
|
|
$ hg update -r 1 --config extensions.showwrites=.hg/showwrites.py 2>&1 | grep "a1'.*wb"
|
|
|
('vfs open', ('a1', 'wb'), [('atomictemp', True), ('backgroundclose', True)])
|
|
|
$ hg st -A --rev 1
|
|
|
C a1
|
|
|
C a2
|
|
|
C b1
|
|
|
C b2
|
|
|
C d
|
|
|
C ro
|
|
|
|
|
|
Check the file permission after update
|
|
|
$ "$PYTHON" $TESTTMP/show_mode.py *
|
|
|
a1:0644
|
|
|
a2:0755
|
|
|
b1:0644
|
|
|
b2:0755
|
|
|
d:0644
|
|
|
ro:0644
|
|
|
|
|
|
Manually reset the mode of the read-only file
|
|
|
|
|
|
$ chmod a-w ro
|
|
|
|
|
|
$ "$PYTHON" $TESTTMP/show_mode.py ro
|
|
|
ro:0444
|
|
|
|
|
|
Now the file is present, try to update and check the permissions of the file
|
|
|
|
|
|
$ hg update -r 2 --traceback
|
|
|
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
|
|
|
|
|
|
$ "$PYTHON" $TESTTMP/show_mode.py ro
|
|
|
ro:0644
|
|
|
|
|
|
# The behavior is the same as without atomic update
|
|
|
|
