Just like the pretty printing machinery, we should simply ignore blank
lines at the beginning of the commit messages.
This discrepancy was noticed when an early version of the rebase--helper
produced commit objects with more than one empty line between the header
and the commit message.
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
commit.c | 2 +-
t/t8008-blame-formats.sh | 17 +++++++++++++++++
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/commit.c b/commit.c
index 3f4f371..24d4715 100644
--- a/commit.c
+++ b/commit.c
@@ -414,7 +414,7 @@ int find_commit_subject(const char *commit_buffer, const char **subject)
while (*p && (*p != '\n' || p[1] != '\n'))
p++;
if (*p) {
- p += 2;
+ p = skip_blank_lines(p + 2);
for (eol = p; *eol && *eol != '\n'; eol++)
; /* do nothing */
} else
diff --git a/t/t8008-blame-formats.sh b/t/t8008-blame-formats.sh
index 29f84a6..92c8e79 100755
--- a/t/t8008-blame-formats.sh
+++ b/t/t8008-blame-formats.sh
@@ -87,4 +87,21 @@ test_expect_success 'blame --line-porcelain output' '
test_cmp expect actual
'
+test_expect_success '--porcelain detects first non-blank line as subject' '
+ (
+ GIT_INDEX_FILE=.git/tmp-index &&
+ export GIT_INDEX_FILE &&
+ echo "This is it" >single-file &&
+ git add single-file &&
+ tree=$(git write-tree) &&
+ commit=$(printf "%s\n%s\n%s\n\n\n \noneline\n\nbody\n" \
+ "tree $tree" \
+ "author A <a@b.c> 123456789 +0000" \
+ "committer C <c@d.e> 123456789 +0000" |
+ git hash-object -w -t commit --stdin) &&
+ git blame --porcelain $commit -- single-file >output &&
+ grep "^summary oneline$" output
+ )
+'
+
test_done
--
2.9.0.118.g0e1a633
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