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git/t/t9106-git-svn-commit-diff-clobber.sh
Eric Wong 45bf473a7b git-svn: fix dcommit losing changes when out-of-date from svn
There was a bug in dcommit (and commit-diff) which caused deltas
to be generated against the latest version of the changed file
in a repository, and not the revision we are diffing (the tree)
against locally.

This bug can cause recent changes to the svn repository to be
silently clobbered by git-svn if our repository is out-of-date.

Thanks to Steven Grimm for noticing the bug.

The (few) people using the commit-diff command are now required
to use the -r/--revision argument.  dcommit usage is unchanged.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-11-09 09:34:46 -08:00

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#!/bin/sh
#
# Copyright (c) 2006 Eric Wong
test_description='git-svn commit-diff clobber'
. ./lib-git-svn.sh
if test -n "$GIT_SVN_NO_LIB" && test "$GIT_SVN_NO_LIB" -ne 0
then
echo 'Skipping: commit-diff clobber needs SVN libraries'
test_done
exit 0
fi
test_expect_success 'initialize repo' "
mkdir import &&
cd import &&
echo initial > file &&
svn import -m 'initial' . $svnrepo &&
cd .. &&
echo initial > file &&
git update-index --add file &&
git commit -a -m 'initial'
"
test_expect_success 'commit change from svn side' "
svn co $svnrepo t.svn &&
cd t.svn &&
echo second line from svn >> file &&
svn commit -m 'second line from svn' &&
cd .. &&
rm -rf t.svn
"
test_expect_failure 'commit conflicting change from git' "
echo second line from git >> file &&
git commit -a -m 'second line from git' &&
git-svn commit-diff -r1 HEAD~1 HEAD $svnrepo
" || true
test_expect_success 'commit complementing change from git' "
git reset --hard HEAD~1 &&
echo second line from svn >> file &&
git commit -a -m 'second line from svn' &&
echo third line from git >> file &&
git commit -a -m 'third line from git' &&
git-svn commit-diff -r2 HEAD~1 HEAD $svnrepo
"
test_expect_failure 'dcommit fails to commit because of conflict' "
git-svn init $svnrepo &&
git-svn fetch &&
git reset --hard refs/remotes/git-svn &&
svn co $svnrepo t.svn &&
cd t.svn &&
echo fourth line from svn >> file &&
svn commit -m 'fourth line from svn' &&
cd .. &&
rm -rf t.svn &&
echo 'fourth line from git' >> file &&
git commit -a -m 'fourth line from git' &&
git-svn dcommit
" || true
test_expect_success 'dcommit does the svn equivalent of an index merge' "
git reset --hard refs/remotes/git-svn &&
echo 'index merge' > file2 &&
git update-index --add file2 &&
git commit -a -m 'index merge' &&
echo 'more changes' >> file2 &&
git update-index file2 &&
git commit -a -m 'more changes' &&
git-svn dcommit
"
test_done