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authorJeff King <peff@peff.net>2012-04-05 08:30:08 -0400
committerJunio C Hamano <gitster@pobox.com>2012-04-05 09:01:03 -0700
commit4066bd6797a36ece00ffcb4814edc11e5ed25f68 (patch)
tree9427f208af1e919824a68193443659658abed964 /t
parent4961210b17725e3e3e975d84a5f7f718da5f218e (diff)
downloadgit-4066bd6797a36ece00ffcb4814edc11e5ed25f68.tar.gz
git-4066bd6797a36ece00ffcb4814edc11e5ed25f68.tar.xz
add--interactive: ignore unmerged entries in patch mode
When "add -p" sees an unmerged entry, it shows the combined diff and then immediately skips the hunk. This can be confusing in a variety of ways, depending on whether there are other changes to stage (in which case you get the superfluous combined diff output in between other hunks) or not (in which case you get the combined diff and the program exits immediately, rather than seeing "No changes"). The current behavior was not planned, and is just what the implementation happens to do. Instead, let's explicitly remove unmerged entries from our list of modified files, and print a warning that we are ignoring them. We can cheaply find which entries are unmerged by adding "--raw" output to the "diff-files --numstat" we already run. There is one non-obvious thing we must change when parsing this combined output. Before this patch, when we saw a numstat line for a file that did not have index changes, we would create a new record with 'unchanged' in the 'INDEX' field. Because "--raw" comes before "--numstat", we must move this special-case down to the raw-line case (and it is sufficient to move it rather than handle it in both places, since any file which has a --numstat will also have a --raw entry). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't')
-rwxr-xr-xt/t3701-add-interactive.sh26
1 files changed, 26 insertions, 0 deletions
diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 9e236f9cc..098a6ae4a 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -330,4 +330,30 @@ test_expect_success PERL 'split hunk "add -p (edit)"' '
! grep "^+15" actual
'
+test_expect_success 'patch mode ignores unmerged entries' '
+ git reset --hard &&
+ test_commit conflict &&
+ test_commit non-conflict &&
+ git checkout -b side &&
+ test_commit side conflict.t &&
+ git checkout master &&
+ test_commit master conflict.t &&
+ test_must_fail git merge side &&
+ echo changed >non-conflict.t &&
+ echo y | git add -p >output &&
+ ! grep a/conflict.t output &&
+ cat >expected <<-\EOF &&
+ * Unmerged path conflict.t
+ diff --git a/non-conflict.t b/non-conflict.t
+ index f766221..5ea2ed4 100644
+ --- a/non-conflict.t
+ +++ b/non-conflict.t
+ @@ -1 +1 @@
+ -non-conflict
+ +changed
+ EOF
+ git diff --cached >diff &&
+ test_cmp expected diff
+'
+
test_done