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-rw-r--r--builtin/commit.c28
-rw-r--r--builtin/merge.c22
-rw-r--r--commit.c46
-rw-r--r--commit.h3
-rw-r--r--sequencer.c34
-rw-r--r--sequencer.h1
-rwxr-xr-xt/t3507-cherry-pick-conflict.sh42
-rwxr-xr-xt/t7513-interpret-trailers.sh34
-rw-r--r--trailer.c32
9 files changed, 170 insertions, 72 deletions
diff --git a/builtin/commit.c b/builtin/commit.c
index e108c53015..cda74e9a68 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -800,32 +800,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
if (clean_message_contents)
stripspace(&sb, 0);
- if (signoff) {
- /*
- * See if we have a Conflicts: block at the end. If yes, count
- * its size, so we can ignore it.
- */
- int ignore_footer = 0;
- int i, eol, previous = 0;
- const char *nl;
-
- for (i = 0; i < sb.len; i++) {
- nl = memchr(sb.buf + i, '\n', sb.len - i);
- if (nl)
- eol = nl - sb.buf;
- else
- eol = sb.len;
- if (starts_with(sb.buf + previous, "\nConflicts:\n")) {
- ignore_footer = sb.len - previous;
- break;
- }
- while (i < eol)
- i++;
- previous = eol;
- }
-
- append_signoff(&sb, ignore_footer, 0);
- }
+ if (signoff)
+ append_signoff(&sb, ignore_non_trailer(&sb), 0);
if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len)
die_errno(_("could not write commit template"));
diff --git a/builtin/merge.c b/builtin/merge.c
index bebbe5b308..215d4856e5 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -29,6 +29,7 @@
#include "remote.h"
#include "fmt-merge-msg.h"
#include "gpg-interface.h"
+#include "sequencer.h"
#define DEFAULT_TWOHEAD (1<<0)
#define DEFAULT_OCTOPUS (1<<1)
@@ -880,28 +881,19 @@ static int finish_automerge(struct commit *head,
return 0;
}
-static int suggest_conflicts(int renormalizing)
+static int suggest_conflicts(void)
{
const char *filename;
FILE *fp;
- int pos;
+ struct strbuf msgbuf = STRBUF_INIT;
filename = git_path("MERGE_MSG");
fp = fopen(filename, "a");
if (!fp)
die_errno(_("Could not open '%s' for writing"), filename);
- fprintf(fp, "\nConflicts:\n");
- for (pos = 0; pos < active_nr; pos++) {
- const struct cache_entry *ce = active_cache[pos];
-
- if (ce_stage(ce)) {
- fprintf(fp, "\t%s\n", ce->name);
- while (pos + 1 < active_nr &&
- !strcmp(ce->name,
- active_cache[pos + 1]->name))
- pos++;
- }
- }
+
+ append_conflicts_hint(&msgbuf);
+ fputs(msgbuf.buf, fp);
fclose(fp);
rerere(allow_rerere_auto);
printf(_("Automatic merge failed; "
@@ -1550,7 +1542,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
fprintf(stderr, _("Automatic merge went well; "
"stopped before committing as requested\n"));
else
- ret = suggest_conflicts(option_renormalize);
+ ret = suggest_conflicts();
done:
free(branch_to_free);
diff --git a/commit.c b/commit.c
index 19cf8f9c67..a54cb9a454 100644
--- a/commit.c
+++ b/commit.c
@@ -1640,3 +1640,49 @@ const char *find_commit_header(const char *msg, const char *key, size_t *out_len
}
return NULL;
}
+
+/*
+ * Inspect sb and determine the true "end" of the log message, in
+ * order to find where to put a new Signed-off-by: line. Ignored are
+ * trailing comment lines and blank lines, and also the traditional
+ * "Conflicts:" block that is not commented out, so that we can use
+ * "git commit -s --amend" on an existing commit that forgot to remove
+ * it.
+ *
+ * Returns the number of bytes from the tail to ignore, to be fed as
+ * the second parameter to append_signoff().
+ */
+int ignore_non_trailer(struct strbuf *sb)
+{
+ int boc = 0;
+ int bol = 0;
+ int in_old_conflicts_block = 0;
+
+ while (bol < sb->len) {
+ char *next_line;
+
+ if (!(next_line = memchr(sb->buf + bol, '\n', sb->len - bol)))
+ next_line = sb->buf + sb->len;
+ else
+ next_line++;
+
+ if (sb->buf[bol] == comment_line_char || sb->buf[bol] == '\n') {
+ /* is this the first of the run of comments? */
+ if (!boc)
+ boc = bol;
+ /* otherwise, it is just continuing */
+ } else if (starts_with(sb->buf + bol, "Conflicts:\n")) {
+ in_old_conflicts_block = 1;
+ if (!boc)
+ boc = bol;
+ } else if (in_old_conflicts_block && sb->buf[bol] == '\t') {
+ ; /* a pathname in the conflicts block */
+ } else if (boc) {
+ /* the previous was not trailing comment */
+ boc = 0;
+ in_old_conflicts_block = 0;
+ }
+ bol = next_line - sb->buf;
+ }
+ return boc ? sb->len - boc : 0;
+}
diff --git a/commit.h b/commit.h
index bc68ccbe69..cd35ac150a 100644
--- a/commit.h
+++ b/commit.h
@@ -337,6 +337,9 @@ extern void free_commit_extra_headers(struct commit_extra_header *extra);
extern const char *find_commit_header(const char *msg, const char *key,
size_t *out_len);
+/* Find the end of the log message, the right place for a new trailer. */
+extern int ignore_non_trailer(struct strbuf *sb);
+
typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
void *cb_data);
diff --git a/sequencer.c b/sequencer.c
index a03d4fa252..77a1266760 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -267,6 +267,23 @@ static int fast_forward_to(const unsigned char *to, const unsigned char *from,
return 0;
}
+void append_conflicts_hint(struct strbuf *msgbuf)
+{
+ int i;
+
+ strbuf_addch(msgbuf, '\n');
+ strbuf_commented_addf(msgbuf, "Conflicts:\n");
+ for (i = 0; i < active_nr;) {
+ const struct cache_entry *ce = active_cache[i++];
+ if (ce_stage(ce)) {
+ strbuf_commented_addf(msgbuf, "\t%s\n", ce->name);
+ while (i < active_nr && !strcmp(ce->name,
+ active_cache[i]->name))
+ i++;
+ }
+ }
+}
+
static int do_recursive_merge(struct commit *base, struct commit *next,
const char *base_label, const char *next_label,
unsigned char *head, struct strbuf *msgbuf,
@@ -307,21 +324,8 @@ static int do_recursive_merge(struct commit *base, struct commit *next,
if (opts->signoff)
append_signoff(msgbuf, 0, 0);
- if (!clean) {
- int i;
- strbuf_addstr(msgbuf, "\nConflicts:\n");
- for (i = 0; i < active_nr;) {
- const struct cache_entry *ce = active_cache[i++];
- if (ce_stage(ce)) {
- strbuf_addch(msgbuf, '\t');
- strbuf_addstr(msgbuf, ce->name);
- strbuf_addch(msgbuf, '\n');
- while (i < active_nr && !strcmp(ce->name,
- active_cache[i]->name))
- i++;
- }
- }
- }
+ if (!clean)
+ append_conflicts_hint(msgbuf);
return !clean;
}
diff --git a/sequencer.h b/sequencer.h
index db43e9cf86..5ed5cb1d97 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -53,5 +53,6 @@ int sequencer_pick_revisions(struct replay_opts *opts);
extern const char sign_off_header[];
void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag);
+void append_conflicts_hint(struct strbuf *msgbuf);
#endif
diff --git a/t/t3507-cherry-pick-conflict.sh b/t/t3507-cherry-pick-conflict.sh
index 223b98433c..7c5ad08626 100755
--- a/t/t3507-cherry-pick-conflict.sh
+++ b/t/t3507-cherry-pick-conflict.sh
@@ -351,19 +351,45 @@ test_expect_success 'commit after failed cherry-pick does not add duplicated -s'
test_expect_success 'commit after failed cherry-pick adds -s at the right place' '
pristine_detach initial &&
test_must_fail git cherry-pick picked &&
+
git commit -a -s &&
- pwd &&
- cat <<EOF > expected &&
-picked
-Signed-off-by: C O Mitter <committer@example.com>
+ # Do S-o-b and Conflicts appear in the right order?
+ cat <<-\EOF >expect &&
+ Signed-off-by: C O Mitter <committer@example.com>
+ # Conflicts:
+ EOF
+ grep -e "^# Conflicts:" -e '^Signed-off-by' <.git/COMMIT_EDITMSG >actual &&
+ test_cmp expect actual &&
+
+ cat <<-\EOF >expected &&
+ picked
-Conflicts:
- foo
-EOF
+ Signed-off-by: C O Mitter <committer@example.com>
+ EOF
- git show -s --pretty=format:%B > actual &&
+ git show -s --pretty=format:%B >actual &&
test_cmp expected actual
'
+test_expect_success 'commit --amend -s places the sign-off at the right place' '
+ pristine_detach initial &&
+ test_must_fail git cherry-pick picked &&
+
+ # emulate old-style conflicts block
+ mv .git/MERGE_MSG .git/MERGE_MSG+ &&
+ sed -e "/^# Conflicts:/,\$s/^# *//" <.git/MERGE_MSG+ >.git/MERGE_MSG &&
+
+ git commit -a &&
+ git commit --amend -s &&
+
+ # Do S-o-b and Conflicts appear in the right order?
+ cat <<-\EOF >expect &&
+ Signed-off-by: C O Mitter <committer@example.com>
+ Conflicts:
+ EOF
+ grep -e "^Conflicts:" -e '^Signed-off-by' <.git/COMMIT_EDITMSG >actual &&
+ test_cmp expect actual
+'
+
test_done
diff --git a/t/t7513-interpret-trailers.sh b/t/t7513-interpret-trailers.sh
index 1efb88051a..bd0ab46750 100755
--- a/t/t7513-interpret-trailers.sh
+++ b/t/t7513-interpret-trailers.sh
@@ -213,7 +213,7 @@ test_expect_success 'with 2 files arguments' '
'
test_expect_success 'with message that has comments' '
- cat basic_message >>message_with_comments &&
+ cat basic_message >message_with_comments &&
sed -e "s/ Z\$/ /" >>message_with_comments <<-\EOF &&
# comment
@@ -232,12 +232,44 @@ test_expect_success 'with message that has comments' '
Reviewed-by: Johan
Cc: Peff
+ # last comment
+
EOF
cat basic_patch >>expected &&
git interpret-trailers --trim-empty --trailer "Cc: Peff" message_with_comments >actual &&
test_cmp expected actual
'
+test_expect_success 'with message that has an old style conflict block' '
+ cat basic_message >message_with_comments &&
+ sed -e "s/ Z\$/ /" >>message_with_comments <<-\EOF &&
+ # comment
+
+ # other comment
+ Cc: Z
+ # yet another comment
+ Reviewed-by: Johan
+ Reviewed-by: Z
+ # last comment
+
+ Conflicts:
+
+ EOF
+ cat basic_message >expected &&
+ cat >>expected <<-\EOF &&
+ # comment
+
+ Reviewed-by: Johan
+ Cc: Peff
+ # last comment
+
+ Conflicts:
+
+ EOF
+ git interpret-trailers --trim-empty --trailer "Cc: Peff" message_with_comments >actual &&
+ test_cmp expected actual
+'
+
test_expect_success 'with commit complex message and trailer args' '
cat complex_message_body >expected &&
sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
diff --git a/trailer.c b/trailer.c
index a905f5c50c..623adeb02d 100644
--- a/trailer.c
+++ b/trailer.c
@@ -2,6 +2,7 @@
#include "string-list.h"
#include "run-command.h"
#include "string-list.h"
+#include "commit.h"
#include "trailer.h"
/*
* Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org>
@@ -768,6 +769,22 @@ static int find_trailer_start(struct strbuf **lines, int count)
return only_spaces ? count : 0;
}
+/* Get the index of the end of the trailers */
+static int find_trailer_end(struct strbuf **lines, int patch_start)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int i, ignore_bytes;
+
+ for (i = 0; i < patch_start; i++)
+ strbuf_addbuf(&sb, lines[i]);
+ ignore_bytes = ignore_non_trailer(&sb);
+ strbuf_release(&sb);
+ for (i = patch_start - 1; i >= 0 && ignore_bytes > 0; i--)
+ ignore_bytes -= lines[i]->len;
+
+ return i + 1;
+}
+
static int has_blank_line_before(struct strbuf **lines, int start)
{
for (;start >= 0; start--) {
@@ -790,14 +807,15 @@ static int process_input_file(struct strbuf **lines,
struct trailer_item **in_tok_last)
{
int count = 0;
- int patch_start, trailer_start, i;
+ int patch_start, trailer_start, trailer_end, i;
/* Get the line count */
while (lines[count])
count++;
patch_start = find_patch_start(lines, count);
- trailer_start = find_trailer_start(lines, patch_start);
+ trailer_end = find_trailer_end(lines, patch_start);
+ trailer_start = find_trailer_start(lines, trailer_end);
/* Print lines before the trailers as is */
print_lines(lines, 0, trailer_start);
@@ -806,14 +824,14 @@ static int process_input_file(struct strbuf **lines,
printf("\n");
/* Parse trailer lines */
- for (i = trailer_start; i < patch_start; i++) {
+ for (i = trailer_start; i < trailer_end; i++) {
if (lines[i]->buf[0] != comment_line_char) {
struct trailer_item *new = create_trailer_item(lines[i]->buf);
add_trailer_item(in_tok_first, in_tok_last, new);
}
}
- return patch_start;
+ return trailer_end;
}
static void free_all(struct trailer_item **first)
@@ -830,7 +848,7 @@ void process_trailers(const char *file, int trim_empty, struct string_list *trai
struct trailer_item *in_tok_last = NULL;
struct trailer_item *arg_tok_first;
struct strbuf **lines;
- int patch_start;
+ int trailer_end;
/* Default config must be setup first */
git_config(git_trailer_default_config, NULL);
@@ -839,7 +857,7 @@ void process_trailers(const char *file, int trim_empty, struct string_list *trai
lines = read_input_file(file);
/* Print the lines before the trailers */
- patch_start = process_input_file(lines, &in_tok_first, &in_tok_last);
+ trailer_end = process_input_file(lines, &in_tok_first, &in_tok_last);
arg_tok_first = process_command_line_args(trailers);
@@ -850,7 +868,7 @@ void process_trailers(const char *file, int trim_empty, struct string_list *trai
free_all(&in_tok_first);
/* Print the lines after the trailers as is */
- print_lines(lines, patch_start, INT_MAX);
+ print_lines(lines, trailer_end, INT_MAX);
strbuf_list_free(lines);
}