From 7d056deacea488833192d517059e04916285e90f Mon Sep 17 00:00:00 2001 From: Elijah Newren Date: Wed, 12 Aug 2020 14:40:04 +0000 Subject: [PATCH] sequencer: avoid garbled merge machinery messages due to commit labels sequencer's get_message() exists to provide good labels on conflict hunks; see commits d68565402a ("revert: clarify label on conflict hunks", 2010-03-20) bf975d379d ("cherry-pick, revert: add a label for ancestor", 2010-03-20) 043a4492b3 ("sequencer: factor code out of revert builtin", 2012-01-11). for background on this function. These labels are of the form ... or parent of ... These labels are then passed as branch names to the merge machinery. However, these labels, as formatted, often also serve to confuse. For example, if we have a rename involved in a content merge, then it results in text such as the following: <<<<<<<< HEAD:foo.c int j; ======== int counter; >>>>>>>> b01dface... Removed unnecessary stuff:bar.c Or in various conflict messages, it can make it very difficult to read: CONFLICT (rename/delete): foo.c deleted in b01dface... Removed unnecessary stuff and renamed in HEAD. Version HEAD of foo.c left in tree. CONFLICT (file location): dir1/foo.c added in b01dface... Removed unnecessary stuff inside a directory that was renamed in HEAD, suggesting it should perhaps be moved to dir2/foo.c. Make a minor change to remove the ellipses and add parentheses around the commit summary; this makes all three examples much easier to read: <<<<<<<< HEAD:foo.c int j; ======== int counter; >>>>>>>> b01dface (Removed unnecessary stuff):bar.c CONFLICT (rename/delete): foo.c deleted in b01dface (Removed unnecessary stuff) and renamed in HEAD. Version HEAD of foo.c left in tree. CONFLICT (file location): dir1/foo.c added in b01dface (Removed unnecessary stuff) inside a directory that was renamed in HEAD, suggesting it should perhaps be moved to dir2/foo.c. Signed-off-by: Elijah Newren Reviewed-by: Taylor Blau Acked-by: Johannes Schindelin Signed-off-by: Junio C Hamano --- sequencer.c | 2 +- t/t3404-rebase-interactive.sh | 2 +- t/t3507-cherry-pick-conflict.sh | 20 ++++++++++---------- 3 files changed, 12 insertions(+), 12 deletions(-) diff --git a/sequencer.c b/sequencer.c index fd7701c88a..e988c12ad2 100644 --- a/sequencer.c +++ b/sequencer.c @@ -355,7 +355,7 @@ static int get_message(struct commit *commit, struct commit_message *out) subject_len = find_commit_subject(out->message, &subject); out->subject = xmemdupz(subject, subject_len); - out->label = xstrfmt("%s... %s", abbrev, out->subject); + out->label = xstrfmt("%s (%s)", abbrev, out->subject); out->parent_label = xstrfmt("parent of %s", out->label); return 0; diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh index 4a7d21f898..1d0a656ebd 100755 --- a/t/t3404-rebase-interactive.sh +++ b/t/t3404-rebase-interactive.sh @@ -256,7 +256,7 @@ test_expect_success 'stop on conflicting pick' ' D ======= G - >>>>>>> $commit... G + >>>>>>> $commit (G) EOF git tag new-branch1 && test_must_fail git rebase -i master && diff --git a/t/t3507-cherry-pick-conflict.sh b/t/t3507-cherry-pick-conflict.sh index 752bc43487..152ea11dc9 100755 --- a/t/t3507-cherry-pick-conflict.sh +++ b/t/t3507-cherry-pick-conflict.sh @@ -283,12 +283,12 @@ test_expect_success 'failed cherry-pick describes conflict in work tree' ' a ======= c - >>>>>>> objid picked + >>>>>>> objid (picked) EOF test_must_fail git cherry-pick picked && - sed "s/[a-f0-9]*\.\.\./objid/" foo >actual && + sed "s/[a-f0-9]* (/objid (/" foo >actual && test_cmp expected actual ' @@ -298,16 +298,16 @@ test_expect_success 'diff3 -m style' ' cat <<-EOF >expected && <<<<<<< HEAD a - ||||||| parent of objid picked + ||||||| parent of objid (picked) b ======= c - >>>>>>> objid picked + >>>>>>> objid (picked) EOF test_must_fail git cherry-pick picked && - sed "s/[a-f0-9]*\.\.\./objid/" foo >actual && + sed "s/[a-f0-9]* (/objid (/" foo >actual && test_cmp expected actual ' @@ -319,7 +319,7 @@ test_expect_success 'revert also handles conflicts sanely' ' a ======= b - >>>>>>> parent of objid picked + >>>>>>> parent of objid (picked) EOF { git checkout picked -- foo && @@ -345,7 +345,7 @@ test_expect_success 'revert also handles conflicts sanely' ' test_must_fail git update-index --refresh -q && test_must_fail git diff-index --exit-code HEAD && test_cmp expected-stages actual-stages && - sed "s/[a-f0-9]*\.\.\./objid/" foo >actual && + sed "s/[a-f0-9]* (/objid (/" foo >actual && test_cmp expected actual ' @@ -429,16 +429,16 @@ test_expect_success 'revert conflict, diff3 -m style' ' cat <<-EOF >expected && <<<<<<< HEAD a - ||||||| objid picked + ||||||| objid (picked) c ======= b - >>>>>>> parent of objid picked + >>>>>>> parent of objid (picked) EOF test_must_fail git revert picked && - sed "s/[a-f0-9]*\.\.\./objid/" foo >actual && + sed "s/[a-f0-9]* (/objid (/" foo >actual && test_cmp expected actual '