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git/t/t9155-git-svn-fetch-deleted...

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git-svn: fix fetch with deleted tag Currently git-svn assumes that two tags created from the same revision will have the same repo url, so it uses a ref to the tag without checking that its url matches the current url. This causes issues when fetching an svn repo where a tag was created, deleted, and then recreated under the following circumstances: - Both tags were copied from the same revision. - Both tags had the same name. - Both tags had different repository paths. - [Optional] Both tags have a file with the same name but different content. When all four conditions are met, a checksum mismatch error occurs because the content of two files with the same path differs (see t/t9155--git-svn-fetch-deleted-tag.sh): Checksum mismatch: ChangeLog 065854.... expected: ce771b.... got: 9563fd.... When only the first three conditions are met, no error occurs but the tag in git matches the first (deleted) tag instead of the last (most recent) tag (see t/t9156-git-svn-fetch-deleted-tag-2.sh). The fix is to verify that the repo url for the ref matches the current url. If the urls do not match, then a "tail" is grown on the tag name by appending a dash and rechecking the new ref's repo url until either a matching repo url is found or a new tag is created. Signed-off-by: David D. Kilzer <ddkilzer@kilzer.net> Acked-by: Eric Wong <normalperson@yhbt.net>
2010-08-15 17:15:55 +04:00
#!/bin/sh
test_description='git svn fetch deleted tag'
. ./lib-git-svn.sh
test_expect_success 'setup svn repo' '
mkdir -p import/trunk/subdir &&
mkdir -p import/branches &&
mkdir -p import/tags &&
echo "base" >import/trunk/subdir/file &&
svn_cmd import -m "import for git svn" import "$svnrepo" &&
rm -rf import &&
t9155: fix compatibility with older SVN The "--parents" option did not appear until SVN 1.5.x and is completely unnecessary in this case. Reported-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2010-08-19 23:03:18 +04:00
svn_cmd mkdir -m "create mybranch directory" "$svnrepo/branches/mybranch" &&
git-svn: fix fetch with deleted tag Currently git-svn assumes that two tags created from the same revision will have the same repo url, so it uses a ref to the tag without checking that its url matches the current url. This causes issues when fetching an svn repo where a tag was created, deleted, and then recreated under the following circumstances: - Both tags were copied from the same revision. - Both tags had the same name. - Both tags had different repository paths. - [Optional] Both tags have a file with the same name but different content. When all four conditions are met, a checksum mismatch error occurs because the content of two files with the same path differs (see t/t9155--git-svn-fetch-deleted-tag.sh): Checksum mismatch: ChangeLog 065854.... expected: ce771b.... got: 9563fd.... When only the first three conditions are met, no error occurs but the tag in git matches the first (deleted) tag instead of the last (most recent) tag (see t/t9156-git-svn-fetch-deleted-tag-2.sh). The fix is to verify that the repo url for the ref matches the current url. If the urls do not match, then a "tail" is grown on the tag name by appending a dash and rechecking the new ref's repo url until either a matching repo url is found or a new tag is created. Signed-off-by: David D. Kilzer <ddkilzer@kilzer.net> Acked-by: Eric Wong <normalperson@yhbt.net>
2010-08-15 17:15:55 +04:00
svn_cmd cp -m "create branch mybranch" "$svnrepo/trunk" "$svnrepo/branches/mybranch/trunk" &&
svn_cmd co "$svnrepo/trunk" svn_project &&
(cd svn_project &&
echo "trunk change" >>subdir/file &&
svn_cmd ci -m "trunk change" subdir/file &&
svn_cmd switch "$svnrepo/branches/mybranch/trunk" &&
echo "branch change" >>subdir/file &&
svn_cmd ci -m "branch change" subdir/file
) &&
svn_cmd cp -m "create mytag attempt 1" -r5 "$svnrepo/trunk/subdir" "$svnrepo/tags/mytag" &&
svn_cmd rm -m "delete mytag attempt 1" "$svnrepo/tags/mytag" &&
svn_cmd cp -m "create mytag attempt 2" -r5 "$svnrepo/branches/mybranch/trunk/subdir" "$svnrepo/tags/mytag"
'
test_expect_success 'fetch deleted tags from same revision with checksum error' '
git svn init --stdlayout "$svnrepo" git_project &&
cd git_project &&
git svn fetch &&
Git 2.0: git svn: Set default --prefix='origin/' if --prefix is not given git-svn by default puts its Subversion-tracking refs directly in refs/remotes/*. This runs counter to Git's convention of using refs/remotes/$remote/* for storing remote-tracking branches. Furthermore, combining git-svn with regular git remotes run the risk of clobbering refs under refs/remotes (e.g. if you have a git remote called "tags" with a "v1" branch, it will overlap with the git-svn's tracking branch for the "v1" tag from Subversion. Even though the git-svn refs stored in refs/remotes/* are not "proper" remote-tracking branches (since they are not covered by a proper git remote's refspec), they clearly represent a similar concept, and would benefit from following the same convention. For example, if git-svn tracks Subversion branch "foo" at refs/remotes/foo, and you create a local branch refs/heads/foo to add some commits to be pushed back to Subversion (using "git svn dcommit), then it is clearly unhelpful of Git to throw warning: refname 'foo' is ambiguous. every time you checkout, rebase, or otherwise interact with the branch. The existing workaround for this is to supply the --prefix=quux/ to git svn init/clone, so that git-svn's tracking branches end up in refs/remotes/quux/* instead of refs/remotes/*. However, encouraging users to specify --prefix to work around a design flaw in git-svn is suboptimal, and not a long term solution to the problem. Instead, git-svn should default to use a non-empty prefix that saves unsuspecting users from the inconveniences described above. This patch will only affect newly created git-svn setups, as the --prefix option only applies to git svn init (and git svn clone). Existing git-svn setups will continue with their existing (lack of) prefix. Also, if anyone somehow prefers git-svn's old layout, they can recreate that by explicitly passing an empty prefix (--prefix "") on the git svn init/clone command line. The patch changes the default value for --prefix from "" to "origin/", updates the git-svn manual page, and fixes the fallout in the git-svn testcases. (Note that this patch might be easier to review using the --word-diff and --word-diff-regex=. diff options.) [ew: squashed description of <= 1.9 behavior into manpage] Suggested-by: Thomas Ferris Nicolaisen <tfnico@gmail.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2013-10-11 16:57:07 +04:00
git diff --exit-code origin/mybranch:trunk/subdir/file origin/tags/mytag:file &&
git diff --exit-code master:subdir/file origin/tags/mytag^:file
git-svn: fix fetch with deleted tag Currently git-svn assumes that two tags created from the same revision will have the same repo url, so it uses a ref to the tag without checking that its url matches the current url. This causes issues when fetching an svn repo where a tag was created, deleted, and then recreated under the following circumstances: - Both tags were copied from the same revision. - Both tags had the same name. - Both tags had different repository paths. - [Optional] Both tags have a file with the same name but different content. When all four conditions are met, a checksum mismatch error occurs because the content of two files with the same path differs (see t/t9155--git-svn-fetch-deleted-tag.sh): Checksum mismatch: ChangeLog 065854.... expected: ce771b.... got: 9563fd.... When only the first three conditions are met, no error occurs but the tag in git matches the first (deleted) tag instead of the last (most recent) tag (see t/t9156-git-svn-fetch-deleted-tag-2.sh). The fix is to verify that the repo url for the ref matches the current url. If the urls do not match, then a "tail" is grown on the tag name by appending a dash and rechecking the new ref's repo url until either a matching repo url is found or a new tag is created. Signed-off-by: David D. Kilzer <ddkilzer@kilzer.net> Acked-by: Eric Wong <normalperson@yhbt.net>
2010-08-15 17:15:55 +04:00
'
test_done