directory rename detection: files/directories in the way of some renames

diff --git a/t/t5304-prune.sh b/t/t5304-prune.sh
index 133b5842b1aee8e8e00eb0ca7e1b2d32ff4a4c9a..f0f6e2a5f3d015cb8d753c3d965c1c42e27b5784 100755 (executable)
--- a/t/t5304-prune.sh
+++ b/t/t5304-prune.sh
@@ -15,7 +15,7 @@ add_blob() {
        BLOB_FILE=.git/objects/$(echo $BLOB | sed "s/^../&\//") &&
        verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
        test_path_is_file $BLOB_FILE &&
-       test-chmtime =+0 $BLOB_FILE
+       test-tool chmtime =+0 $BLOB_FILE
 }
 
 test_expect_success setup '
@@ -33,7 +33,7 @@ test_expect_success 'prune stale packs' '
        orig_pack=$(echo .git/objects/pack/*.pack) &&
        : > .git/objects/tmp_1.pack &&
        : > .git/objects/tmp_2.pack &&
-       test-chmtime =-86501 .git/objects/tmp_1.pack &&
+       test-tool chmtime =-86501 .git/objects/tmp_1.pack &&
        git prune --expire 1.day &&
        test_path_is_file $orig_pack &&
        test_path_is_file .git/objects/tmp_2.pack &&
@@ -47,7 +47,7 @@ test_expect_success 'prune --expire' '
        git prune --expire=1.hour.ago &&
        verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
        test_path_is_file $BLOB_FILE &&
-       test-chmtime =-86500 $BLOB_FILE &&
+       test-tool chmtime =-86500 $BLOB_FILE &&
        git prune --expire 1.day &&
        verbose test $before = $(git count-objects | sed "s/ .*//") &&
        test_path_is_missing $BLOB_FILE
@@ -57,11 +57,11 @@ test_expect_success 'prune --expire' '
 test_expect_success 'gc: implicit prune --expire' '
 
        add_blob &&
-       test-chmtime =-$((2*$week-30)) $BLOB_FILE &&
+       test-tool chmtime =-$((2*$week-30)) $BLOB_FILE &&
        git gc &&
        verbose test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
        test_path_is_file $BLOB_FILE &&
-       test-chmtime =-$((2*$week+1)) $BLOB_FILE &&
+       test-tool chmtime =-$((2*$week+1)) $BLOB_FILE &&
        git gc &&
        verbose test $before = $(git count-objects | sed "s/ .*//") &&
        test_path_is_missing $BLOB_FILE
@@ -141,7 +141,7 @@ test_expect_success 'prune: do not prune heads listed as an argument' '
 test_expect_success 'gc --no-prune' '
 
        add_blob &&
-       test-chmtime =-$((5001*$day)) $BLOB_FILE &&
+       test-tool chmtime =-$((5001*$day)) $BLOB_FILE &&
        git config gc.pruneExpire 2.days.ago &&
        git gc --no-prune &&
        verbose test 1 = $(git count-objects | sed "s/ .*//") &&
@@ -163,7 +163,7 @@ test_expect_success 'gc respects gc.pruneExpire' '
 test_expect_success 'gc --prune=<date>' '
 
        add_blob &&
-       test-chmtime =-$((5001*$day)) $BLOB_FILE &&
+       test-tool chmtime =-$((5001*$day)) $BLOB_FILE &&
        git gc --prune=5002.days.ago &&
        test_path_is_file $BLOB_FILE &&
        git gc --prune=5000.days.ago &&
@@ -205,7 +205,7 @@ test_expect_success 'prune --expire=never' '
 
 test_expect_success 'gc: prune old objects after local clone' '
        add_blob &&
-       test-chmtime =-$((2*$week+1)) $BLOB_FILE &&
+       test-tool chmtime =-$((2*$week+1)) $BLOB_FILE &&
        git clone --no-hardlinks . aclone &&
        (
                cd aclone &&
@@ -283,4 +283,41 @@ test_expect_success 'prune: handle alternate object database' '
        git -C B prune
 '
 
+test_expect_success 'prune: handle index in multiple worktrees' '
+       git worktree add second-worktree &&
+       echo "new blob for second-worktree" >second-worktree/blob &&
+       git -C second-worktree add blob &&
+       git prune --expire=now &&
+       git -C second-worktree show :blob >actual &&
+       test_cmp second-worktree/blob actual
+'
+
+test_expect_success 'prune: handle HEAD in multiple worktrees' '
+       git worktree add --detach third-worktree &&
+       echo "new blob for third-worktree" >third-worktree/blob &&
+       git -C third-worktree add blob &&
+       git -C third-worktree commit -m "third" &&
+       rm .git/worktrees/third-worktree/index &&
+       test_must_fail git -C third-worktree show :blob &&
+       git prune --expire=now &&
+       git -C third-worktree show HEAD:blob >actual &&
+       test_cmp third-worktree/blob actual
+'
+
+test_expect_success 'prune: handle HEAD reflog in multiple worktrees' '
+       git config core.logAllRefUpdates true &&
+       echo "lost blob for third-worktree" >expected &&
+       (
+               cd third-worktree &&
+               cat ../expected >blob &&
+               git add blob &&
+               git commit -m "second commit in third" &&
+               git reset --hard HEAD^
+       ) &&
+       git prune --expire=now &&
+       SHA1=`git hash-object expected` &&
+       git -C third-worktree show "$SHA1" >actual &&
+       test_cmp expected actual
+'
+
 test_done