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authorLibravatar Junio C Hamano <gitster@pobox.com>2021-10-03 21:49:18 -0700
committerLibravatar Junio C Hamano <gitster@pobox.com>2021-10-03 21:49:19 -0700
commit6a4f5dadd3d373db29053697aaefc67e31416699 (patch)
tree5feb58eb565bb8cf8cf698c649aedd4601fe7569 /t
parentMerge branch 'hn/refs-errno-cleanup' (diff)
parentdifftool: fix symlink-file writing in dir-diff mode (diff)
downloadtgif-6a4f5dadd3d373db29053697aaefc67e31416699.tar.xz
Merge branch 'da/difftool-dir-diff-symlink-fix'
"git difftool --dir-diff" mishandled symbolic links. * da/difftool-dir-diff-symlink-fix: difftool: fix symlink-file writing in dir-diff mode
Diffstat (limited to 't')
-rwxr-xr-xt/t7800-difftool.sh67
1 files changed, 65 insertions, 2 deletions
diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index a173f564bc..528e0dabf0 100755
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -674,7 +674,6 @@ test_expect_success SYMLINKS 'difftool --dir-diff handles modified symlinks' '
rm c &&
ln -s d c &&
cat >expect <<-EOF &&
- b
c
c
@@ -710,7 +709,6 @@ test_expect_success SYMLINKS 'difftool --dir-diff handles modified symlinks' '
# Deleted symlinks
rm -f c &&
cat >expect <<-EOF &&
- b
c
EOF
@@ -723,6 +721,71 @@ test_expect_success SYMLINKS 'difftool --dir-diff handles modified symlinks' '
test_cmp expect actual
'
+test_expect_success SYMLINKS 'difftool --dir-diff writes symlinks as raw text' '
+ # Start out on a branch called "branch-init".
+ git init -b branch-init symlink-files &&
+ (
+ cd symlink-files &&
+ # This test ensures that symlinks are written as raw text.
+ # The "cat" tools output link and file contents.
+ git config difftool.cat-left-link.cmd "cat \"\$LOCAL/link\"" &&
+ git config difftool.cat-left-a.cmd "cat \"\$LOCAL/file-a\"" &&
+ git config difftool.cat-right-link.cmd "cat \"\$REMOTE/link\"" &&
+ git config difftool.cat-right-b.cmd "cat \"\$REMOTE/file-b\"" &&
+
+ # Record the empty initial state so that we can come back here
+ # later and not have to consider the any cases where difftool
+ # will create symlinks back into the worktree.
+ test_tick &&
+ git commit --allow-empty -m init &&
+
+ # Create a file called "file-a" with a symlink pointing to it.
+ git switch -c branch-a &&
+ echo a >file-a &&
+ ln -s file-a link &&
+ git add file-a link &&
+ test_tick &&
+ git commit -m link-to-file-a &&
+
+ # Create a file called "file-b" and point the symlink to it.
+ git switch -c branch-b &&
+ echo b >file-b &&
+ rm link &&
+ ln -s file-b link &&
+ git add file-b link &&
+ git rm file-a &&
+ test_tick &&
+ git commit -m link-to-file-b &&
+
+ # Checkout the initial branch so that the --symlinks behavior is
+ # not activated. The two directories should be completely
+ # independent with no symlinks pointing back here.
+ git switch branch-init &&
+
+ # The left link must be "file-a" and "file-a" must contain "a".
+ echo file-a >expect &&
+ git difftool --symlinks --dir-diff --tool cat-left-link \
+ branch-a branch-b >actual &&
+ test_cmp expect actual &&
+
+ echo a >expect &&
+ git difftool --symlinks --dir-diff --tool cat-left-a \
+ branch-a branch-b >actual &&
+ test_cmp expect actual &&
+
+ # The right link must be "file-b" and "file-b" must contain "b".
+ echo file-b >expect &&
+ git difftool --symlinks --dir-diff --tool cat-right-link \
+ branch-a branch-b >actual &&
+ test_cmp expect actual &&
+
+ echo b >expect &&
+ git difftool --symlinks --dir-diff --tool cat-right-b \
+ branch-a branch-b >actual &&
+ test_cmp expect actual
+ )
+'
+
test_expect_success 'add -N and difftool -d' '
test_when_finished git reset --hard &&