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t9151: Add two new svn:mergeinfo test cases

When svn:mergeinfo contains two new parents in a specific order and
one is ancestor of the other, it is possible that git-svn discards the
wrong one. The first test case ("commit made to merged branch is
reachable from the merge") proves this.

The second test case ("merging two branches in one commit is detected
correctly") is just for completeness, since there was no test for
merging two (feature) branches to trunk in one commit.

Signed-off-by: Tuomas Suutari <tuomas.suutari@gmail.com>
Acked-by: Eric Wong <normalperson@yhbt.net>
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1 parent ae5b370 commit 9560808f2ef5a34d2a69c454cfa6003a2f8467cb @suutari suutari committed with Eric Wong Feb 22, 2010
Showing with 581 additions and 53 deletions.
  1. +15 −0 t/t9151-svn-mergeinfo.sh
  2. +83 −0 t/t9151/make-svnmerge-dump
  3. +483 −53 t/t9151/svn-mergeinfo.dump
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@@ -33,6 +33,21 @@ test_expect_success 'svn non-merge merge commits did not become git merge commit
[ -z "$bad_non_merges" ]
'
+test_expect_failure 'commit made to merged branch is reachable from the merge' '
+ before_commit=$(git rev-list --all --grep="trunk commit before merging trunk to b2")
+ merge_commit=$(git rev-list --all --grep="Merge trunk to b2")
+ not_reachable=$(git rev-list -1 $before_commit --not $merge_commit)
+ [ -z "$not_reachable" ]
+ '
+
+test_expect_success 'merging two branches in one commit is detected correctly' '
+ f1_commit=$(git rev-list --all --grep="make f1 branch from trunk")
+ f2_commit=$(git rev-list --all --grep="make f2 branch from trunk")
+ merge_commit=$(git rev-list --all --grep="Merge f1 and f2 to trunk")
+ not_reachable=$(git rev-list -1 $f1_commit $f2_commit --not $merge_commit)
+ [ -z "$not_reachable" ]
+ '
+
test_expect_failure 'everything got merged in the end' '
unmerged=$(git rev-list --all --not master)
[ -z "$unmerged" ]
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@@ -156,6 +156,89 @@ svn merge ../branches/right --accept postpone
i=$(commit $i "non-merge right to trunk 2")
cd ..
+say "Branching b1 from trunk"
+svn update
+svn cp trunk branches/b1
+i=$(commit $i "make b1 branch from trunk")
+
+say "Branching b2 from trunk"
+svn update
+svn cp trunk branches/b2
+i=$(commit $i "make b2 branch from trunk")
+
+say "Make a commit to b2"
+svn update
+cd branches/b2
+echo "b2" > b2file
+svn add b2file
+i=$(commit $i "b2 update 1")
+cd ../..
+
+say "Make a commit to b1"
+svn update
+cd branches/b1
+echo "b1" > b1file
+svn add b1file
+i=$(commit $i "b1 update 1")
+cd ../..
+
+say "Merge b1 to trunk"
+svn update
+cd trunk
+svn merge ../branches/b1/ --accept postpone
+i=$(commit $i "Merge b1 to trunk")
+cd ..
+
+say "Make a commit to trunk before merging trunk to b2"
+svn update
+cd trunk
+echo "trunk" > trunkfile
+svn add trunkfile
+i=$(commit $i "trunk commit before merging trunk to b2")
+cd ..
+
+say "Merge trunk to b2"
+svn update
+cd branches/b2
+svn merge ../../trunk/ --accept postpone
+i=$(commit $i "Merge trunk to b2")
+cd ../..
+
+say "Merge b2 to trunk"
+svn update
+cd trunk
+svn merge ../branches/b2/ --accept postpone
+svn resolved b1file
+svn resolved trunkfile
+i=$(commit $i "Merge b2 to trunk")
+cd ..
+
+say "Creating f1 from trunk with a new file"
+svn update
+svn cp trunk branches/f1
+cd branches/f1
+echo "f1" > f1file
+svn add f1file
+cd ../..
+i=$(commit $i "make f1 branch from trunk with a new file")
+
+say "Creating f2 from trunk with a new file"
+svn update
+svn cp trunk branches/f2
+cd branches/f2
+echo "f2" > f2file
+svn add f2file
+cd ../..
+i=$(commit $i "make f2 branch from trunk with a new file")
+
+say "Merge f1 and f2 to trunk in one go"
+svn update
+cd trunk
+svn merge ../branches/f1/ --accept postpone
+svn merge ../branches/f2/ --accept postpone
+i=$(commit $i "Merge f1 and f2 to trunk")
+cd ..
+
say "Adding subdirectory to LEFT"
svn update
cd branches/left
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