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Merge branch 'pw/am-signoff'
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"git am -s" has been taught that some input may end with a trailer
block that is not Signed-off-by: and it should refrain from adding
an extra blank line before adding a new sign-off in such a case.

* pw/am-signoff:
  am: fix signoff when other trailers are present
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@gitster
gitster committed Aug 22, 2017
2 parents 5498d69 + 735285b commit 5c3895d
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Showing 2 changed files with 64 additions and 45 deletions.
26 changes: 1 addition & 25 deletions builtin/am.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1193,34 +1193,10 @@ static void NORETURN die_user_resolve(const struct am_state *state)
*/
static void am_append_signoff(struct am_state *state)
{
char *cp;
struct strbuf mine = STRBUF_INIT;
struct strbuf sb = STRBUF_INIT;

strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);

/* our sign-off */
strbuf_addf(&mine, "\n%s%s\n",
sign_off_header,
fmt_name(getenv("GIT_COMMITTER_NAME"),
getenv("GIT_COMMITTER_EMAIL")));

/* Does sb end with it already? */
if (mine.len < sb.len &&
!strcmp(mine.buf, sb.buf + sb.len - mine.len))
goto exit; /* no need to duplicate */

/* Does it have any Signed-off-by: in the text */
for (cp = sb.buf;
cp && *cp && (cp = strstr(cp, sign_off_header)) != NULL;
cp = strchr(cp, '\n')) {
if (sb.buf == cp || cp[-1] == '\n')
break;
}

strbuf_addstr(&sb, mine.buf + !!cp);
exit:
strbuf_release(&mine);
append_signoff(&sb, 0, 0);
state->msg = strbuf_detach(&sb, &state->msg_len);
}

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83 changes: 63 additions & 20 deletions t/t4150-am.sh
View file
Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,8 @@ test_expect_success 'setup: messages' '
dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio
dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te
feugait nulla facilisi.
Reported-by: A N Other <[email protected]>
EOF
cat >failmail <<-\EOF &&
Expand Down Expand Up @@ -93,7 +95,7 @@ test_expect_success setup '
echo world >>file &&
git add file &&
test_tick &&
git commit -s -F msg &&
git commit -F msg &&
git tag second &&
git format-patch --stdout first >patch1 &&
Expand Down Expand Up @@ -124,8 +126,6 @@ test_expect_success setup '
echo "Date: $GIT_AUTHOR_DATE" &&
echo &&
sed -e "1,2d" msg &&
echo &&
echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" &&
echo "---" &&
git diff-tree --no-commit-id --stat -p second
} >patch1-stgit.eml &&
Expand All @@ -144,8 +144,6 @@ test_expect_success setup '
echo "# Parent $_z40" &&
cat msg &&
echo &&
echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" &&
echo &&
git diff-tree --no-commit-id -p second
} >patch1-hg.eml &&
Expand Down Expand Up @@ -470,13 +468,15 @@ test_expect_success 'am --signoff adds Signed-off-by: line' '
git reset --hard &&
git checkout -b master2 first &&
git am --signoff <patch2 &&
printf "%s\n" "$signoff" >expected &&
echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" >>expected &&
git cat-file commit HEAD^ | grep "Signed-off-by:" >actual &&
test_cmp expected actual &&
echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" >expected &&
git cat-file commit HEAD | grep "Signed-off-by:" >actual &&
test_cmp expected actual
{
printf "third\n\nSigned-off-by: %s <%s>\n\n" \
"$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" &&
cat msg &&
printf "Signed-off-by: %s <%s>\n\n" \
"$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL"
} >expected-log &&
git log --pretty=%B -2 HEAD >actual &&
test_cmp expected-log actual
'

test_expect_success 'am stays in branch' '
Expand All @@ -486,17 +486,60 @@ test_expect_success 'am stays in branch' '
'

test_expect_success 'am --signoff does not add Signed-off-by: line if already there' '
git format-patch --stdout HEAD^ >patch3 &&
sed -e "/^Subject/ s,\[PATCH,Re: Re: Re: & 1/5 v2] [foo," patch3 >patch4 &&
rm -fr .git/rebase-apply &&
git reset --hard &&
git checkout HEAD^ &&
git am --signoff patch4 &&
git cat-file commit HEAD >actual &&
test $(grep -c "^Signed-off-by:" actual) -eq 1
git format-patch --stdout first >patch3 &&
git reset --hard first &&
git am --signoff <patch3 &&
git log --pretty=%B -2 HEAD >actual &&
test_cmp expected-log actual
'

test_expect_success 'am --signoff adds Signed-off-by: if another author is preset' '
NAME="A N Other" &&
EMAIL="[email protected]" &&
{
printf "third\n\nSigned-off-by: %s <%s>\nSigned-off-by: %s <%s>\n\n" \
"$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" \
"$NAME" "$EMAIL" &&
cat msg &&
printf "Signed-off-by: %s <%s>\nSigned-off-by: %s <%s>\n\n" \
"$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" \
"$NAME" "$EMAIL"
} >expected-log &&
git reset --hard first &&
GIT_COMMITTER_NAME="$NAME" GIT_COMMITTER_EMAIL="$EMAIL" \
git am --signoff <patch3 &&
git log --pretty=%B -2 HEAD >actual &&
test_cmp expected-log actual
'

test_expect_success 'am --signoff duplicates Signed-off-by: if it is not the last one' '
NAME="A N Other" &&
EMAIL="[email protected]" &&
{
printf "third\n\nSigned-off-by: %s <%s>\n\
Signed-off-by: %s <%s>\nSigned-off-by: %s <%s>\n\n" \
"$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" \
"$NAME" "$EMAIL" \
"$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" &&
cat msg &&
printf "Signed-off-by: %s <%s>\nSigned-off-by: %s <%s>\n\
Signed-off-by: %s <%s>\n\n" \
"$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL" \
"$NAME" "$EMAIL" \
"$GIT_COMMITTER_NAME" "$GIT_COMMITTER_EMAIL"
} >expected-log &&
git format-patch --stdout first >patch3 &&
git reset --hard first &&
git am --signoff <patch3 &&
git log --pretty=%B -2 HEAD >actual &&
test_cmp expected-log actual
'

test_expect_success 'am without --keep removes Re: and [PATCH] stuff' '
git format-patch --stdout HEAD^ >tmp &&
sed -e "/^Subject/ s,\[PATCH,Re: Re: Re: & 1/5 v2] [foo," tmp >patch4 &&
git reset --hard HEAD^ &&
git am <patch4 &&
git rev-parse HEAD >expected &&
git rev-parse master2 >actual &&
test_cmp expected actual
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