tests/test-inherit-mode

add a blame alias for annotate

The original cvs command was called blame. SVN has both, and other VC systems
typically also have this as an alias. Makes things easier for converts.

#!/bin/sh

# test that new files created in .hg inherit the permissions from .hg/store

"$TESTDIR/hghave" unix-permissions || exit 80

mkdir dir
# just in case somebody has a strange $TMPDIR
chmod g-s dir
cd dir

cat >printmodes.py <<EOF
import os, sys

allnames = []
isdir = {}
for root, dirs, files in os.walk(sys.argv[1]):
    for d in dirs:
	name = os.path.join(root, d)
	isdir[name] = 1
	allnames.append(name)
    for f in files:
	name = os.path.join(root, f)
	allnames.append(name)
allnames.sort()
for name in allnames:
    suffix = name in isdir and '/' or ''
    print '%05o %s%s' % (os.lstat(name).st_mode & 07777, name, suffix)
EOF

cat >mode.py <<EOF
import sys
import os
print '%05o' % os.lstat(sys.argv[1]).st_mode
EOF

umask 077

hg init repo
cd repo

chmod 0770 .hg/store

echo '% before commit'
echo '% store can be written by the group, other files cannot'
echo '% store is setgid'
python ../printmodes.py .

mkdir dir
touch foo dir/bar
hg ci -qAm 'add files'

echo
echo '% after commit'
echo '% working dir files can only be written by the owner'
echo '% files created in .hg can be written by the group'
echo '% (in particular, store/**, dirstate, branch cache file, undo files)'
echo '% new directories are setgid'
python ../printmodes.py .

umask 007
hg init ../push
echo
echo '% before push'
echo '% group can write everything'
python ../printmodes.py ../push

umask 077
hg -q push ../push
echo
echo '% after push'
echo '% group can still write everything'
python ../printmodes.py ../push

# Test that we don't lose the setgid bit when we call chmod.
# Not all systems support setgid directories (e.g. HFS+), so
# just check that directories have the same mode.
cd ..
hg init setgid
cd setgid
chmod g+s .hg/store 2> /dev/null
mkdir dir
touch dir/file
hg ci -qAm 'add dir/file'
storemode=`python ../mode.py .hg/store`
dirmode=`python ../mode.py .hg/store/data/dir`
if [ "$storemode" != "$dirmode" ]; then
    echo "$storemode != $dirmode"
fi