view tests/test-hardlinks-safety @ 11335:3201ff1459dd

dagparser: parses and formats DAGs as concise text

As discussed during the sprint. See the doc comment and doctests
for specification and examples. This is used in subsequent patches
to export revlog and changelog DAGs, and to generate a repo with
a given changelog DAG.

#!/bin/sh

# some implementations of cp can't create hardlinks
cat > cp.py <<EOF
from mercurial import util
import sys
util.copyfiles(sys.argv[1], sys.argv[2], hardlink=True)
EOF

# test hardlinking outside hg
mkdir x
echo foo > x/a

python cp.py x y
echo bar >> y/a
echo % no diff if hardlink
diff x/a y/a

# test mq hardlinking
echo "[extensions]" >> $HGRCPATH
echo "mq=" >> $HGRCPATH

echo % init
hg init a
cd a

hg qimport -n foo - << EOF
# HG changeset patch
# Date 1 0
diff -r 2588a8b53d66 a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/a	Wed Jul 23 15:54:29 2008 +0200
@@ -0,0 +1,1 @@
+a
EOF

hg qpush

cd ..
python cp.py a b
cd b

hg qimport -n bar - << EOF
# HG changeset patch
# Date 2 0
diff -r 2588a8b53d66 a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/b	Wed Jul 23 15:54:29 2008 +0200
@@ -0,0 +1,1 @@
+b
EOF

hg qpush

cat .hg/patches/status
echo %
cat .hg/patches/series
echo %%%
cat ../a/.hg/patches/status
echo %
cat ../a/.hg/patches/series

# test tags hardlinking
hg qdel -r qbase:qtip

hg tag -l lfoo
hg tag foo

cd ..
python cp.py b c
cd c

hg tag -l -r 0 lbar
hg tag -r 0 bar
echo %%%
cat .hgtags
echo %
cat .hg/localtags
echo %%%
cat ../b/.hgtags
echo %
cat ../b/.hg/localtags