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Merge branch 'rr/revert-cherry-pick'

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* rr/revert-cherry-pick:
  t3502, t3510: clarify cherry-pick -m failure
  t3510 (cherry-pick-sequencer): use exit status
  revert: simplify getting commit subject in format_todo()
  revert: tolerate extra spaces, tabs in insn sheet
  revert: make commit subjects in insn sheet optional
  revert: free msg in format_todo()
This commit is contained in:
Junio C Hamano 2011-12-22 15:30:22 -08:00
parent 6fee20df5c bf71009e53
commit c0129439d0
3 changed files with 90 additions and 49 deletions
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48
builtin/revert.c
View file

@ -700,44 +700,47 @@ static int format_todo(struct strbuf *buf, struct commit_list *todo_list,
struct replay_opts *opts)
{
struct commit_list *cur = NULL;
struct commit_message msg = { NULL, NULL, NULL, NULL, NULL };
const char *sha1_abbrev = NULL;
const char *action_str = opts->action == REVERT ? "revert" : "pick";
const char *subject;
int subject_len;
for (cur = todo_list; cur; cur = cur->next) {
sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV);
if (get_message(cur->item, &msg))
return error(_("Cannot get commit message for %s"), sha1_abbrev);
strbuf_addf(buf, "%s %s %s\n", action_str, sha1_abbrev, msg.subject);
subject_len = find_commit_subject(cur->item->buffer, &subject);
strbuf_addf(buf, "%s %s %.*s\n", action_str, sha1_abbrev,
subject_len, subject);
}
return 0;
}
static struct commit *parse_insn_line(char *start, struct replay_opts *opts)
static struct commit *parse_insn_line(char *bol, char *eol, struct replay_opts *opts)
{
unsigned char commit_sha1[20];
char sha1_abbrev[40];
enum replay_action action;
int insn_len = 0;
char *p, *q;
char *end_of_object_name;
int saved, status, padding;
if (!prefixcmp(start, "pick ")) {
if (!prefixcmp(bol, "pick")) {
action = CHERRY_PICK;
insn_len = strlen("pick");
p = start + insn_len + 1;
} else if (!prefixcmp(start, "revert ")) {
bol += strlen("pick");
} else if (!prefixcmp(bol, "revert")) {
action = REVERT;
insn_len = strlen("revert");
p = start + insn_len + 1;
bol += strlen("revert");
} else
return NULL;
q = strchr(p, ' ');
if (!q)
/* Eat up extra spaces/ tabs before object name */
padding = strspn(bol, " \t");
if (!padding)
return NULL;
q++;
bol += padding;
strlcpy(sha1_abbrev, p, q - p);
end_of_object_name = bol + strcspn(bol, " \t\n");
saved = *end_of_object_name;
*end_of_object_name = '\0';
status = get_sha1(bol, commit_sha1);
*end_of_object_name = saved;
/*
* Verify that the action matches up with the one in
@ -750,7 +753,7 @@ static struct commit *parse_insn_line(char *start, struct replay_opts *opts)
return NULL;
}
if (get_sha1(sha1_abbrev, commit_sha1) < 0)
if (status < 0)
return NULL;
return lookup_commit_reference(commit_sha1);
@ -765,13 +768,12 @@ static int parse_insn_buffer(char *buf, struct commit_list **todo_list,
int i;
for (i = 1; *p; i++) {
commit = parse_insn_line(p, opts);
char *eol = strchrnul(p, '\n');
commit = parse_insn_line(p, eol, opts);
if (!commit)
return error(_("Could not parse line %d."), i);
next = commit_list_append(commit, next);
p = strchrnul(p, '\n');
if (*p)
p++;
p = *eol ? eol + 1 : eol;
}
if (!*todo_list)
return error(_("No commits parsed."));

2
t/t3502-cherry-pick-merge.sh
View file

@ -35,7 +35,7 @@ test_expect_success 'cherry-pick a non-merge with -m should fail' '
git reset --hard &&
git checkout a^0 &&
test_must_fail git cherry-pick -m 1 b &&
test_expect_code 128 git cherry-pick -m 1 b &&
git diff --exit-code a --
'

89
t/t3510-cherry-pick-sequence.sh
View file

@ -14,6 +14,9 @@ test_description='Test cherry-pick continuation features
. ./test-lib.sh
# Repeat first match 10 times
_r10='\1\1\1\1\1\1\1\1\1\1'
pristine_detach () {
git cherry-pick --quit &&
git checkout -f "$1^0" &&
@ -43,7 +46,7 @@ test_expect_success setup '
test_expect_success 'cherry-pick persists data on failure' '
pristine_detach initial &&
test_must_fail git cherry-pick -s base..anotherpick &&
test_expect_code 1 git cherry-pick -s base..anotherpick &&
test_path_is_dir .git/sequencer &&
test_path_is_file .git/sequencer/head &&
test_path_is_file .git/sequencer/todo &&
@ -64,7 +67,7 @@ test_expect_success 'cherry-pick mid-cherry-pick-sequence' '
test_expect_success 'cherry-pick persists opts correctly' '
pristine_detach initial &&
test_must_fail git cherry-pick -s -m 1 --strategy=recursive -X patience -X ours base..anotherpick &&
test_expect_code 128 git cherry-pick -s -m 1 --strategy=recursive -X patience -X ours initial..anotherpick &&
test_path_is_dir .git/sequencer &&
test_path_is_file .git/sequencer/head &&
test_path_is_file .git/sequencer/todo &&
@ -104,7 +107,7 @@ test_expect_success '--abort requires cherry-pick in progress' '
test_expect_success '--quit cleans up sequencer state' '
pristine_detach initial &&
test_must_fail git cherry-pick base..picked &&
test_expect_code 1 git cherry-pick base..picked &&
git cherry-pick --quit &&
test_path_is_missing .git/sequencer
'
@ -118,7 +121,7 @@ test_expect_success '--quit keeps HEAD and conflicted index intact' '
:000000 100644 OBJID OBJID A foo
:000000 100644 OBJID OBJID A unrelated
EOF
test_must_fail git cherry-pick base..picked &&
test_expect_code 1 git cherry-pick base..picked &&
git cherry-pick --quit &&
test_path_is_missing .git/sequencer &&
test_must_fail git update-index --refresh &&
@ -132,7 +135,7 @@ test_expect_success '--quit keeps HEAD and conflicted index intact' '
test_expect_success '--abort to cancel multiple cherry-pick' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&
test_expect_code 1 git cherry-pick base..anotherpick &&
git cherry-pick --abort &&
test_path_is_missing .git/sequencer &&
test_cmp_rev initial HEAD &&
@ -142,7 +145,7 @@ test_expect_success '--abort to cancel multiple cherry-pick' '
test_expect_success '--abort to cancel single cherry-pick' '
pristine_detach initial &&
test_must_fail git cherry-pick picked &&
test_expect_code 1 git cherry-pick picked &&
git cherry-pick --abort &&
test_path_is_missing .git/sequencer &&
test_cmp_rev initial HEAD &&
@ -152,7 +155,7 @@ test_expect_success '--abort to cancel single cherry-pick' '
test_expect_success 'cherry-pick --abort to cancel multiple revert' '
pristine_detach anotherpick &&
test_must_fail git revert base..picked &&
test_expect_code 1 git revert base..picked &&
git cherry-pick --abort &&
test_path_is_missing .git/sequencer &&
test_cmp_rev anotherpick HEAD &&
@ -162,7 +165,7 @@ test_expect_success 'cherry-pick --abort to cancel multiple revert' '
test_expect_success 'revert --abort works, too' '
pristine_detach anotherpick &&
test_must_fail git revert base..picked &&
test_expect_code 1 git revert base..picked &&
git revert --abort &&
test_path_is_missing .git/sequencer &&
test_cmp_rev anotherpick HEAD
@ -170,7 +173,7 @@ test_expect_success 'revert --abort works, too' '
test_expect_success '--abort to cancel single revert' '
pristine_detach anotherpick &&
test_must_fail git revert picked &&
test_expect_code 1 git revert picked &&
git revert --abort &&
test_path_is_missing .git/sequencer &&
test_cmp_rev anotherpick HEAD &&
@ -181,7 +184,7 @@ test_expect_success '--abort to cancel single revert' '
test_expect_success '--abort keeps unrelated change, easy case' '
pristine_detach unrelatedpick &&
echo changed >expect &&
test_must_fail git cherry-pick picked..yetanotherpick &&
test_expect_code 1 git cherry-pick picked..yetanotherpick &&
echo changed >unrelated &&
git cherry-pick --abort &&
test_cmp expect unrelated
@ -190,7 +193,7 @@ test_expect_success '--abort keeps unrelated change, easy case' '
test_expect_success '--abort refuses to clobber unrelated change, harder case' '
pristine_detach initial &&
echo changed >expect &&
test_must_fail git cherry-pick base..anotherpick &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo changed >unrelated &&
test_must_fail git cherry-pick --abort &&
test_cmp expect unrelated &&
@ -205,7 +208,7 @@ test_expect_success '--abort refuses to clobber unrelated change, harder case' '
test_expect_success 'cherry-pick still writes sequencer state when one commit is left' '
pristine_detach initial &&
test_must_fail git cherry-pick base..picked &&
test_expect_code 1 git cherry-pick base..picked &&
test_path_is_dir .git/sequencer &&
echo "resolved" >foo &&
git add foo &&
@ -229,7 +232,7 @@ test_expect_success 'cherry-pick still writes sequencer state when one commit is
test_expect_success '--abort after last commit in sequence' '
pristine_detach initial &&
test_must_fail git cherry-pick base..picked &&
test_expect_code 1 git cherry-pick base..picked &&
git cherry-pick --abort &&
test_path_is_missing .git/sequencer &&
test_cmp_rev initial HEAD &&
@ -239,22 +242,22 @@ test_expect_success '--abort after last commit in sequence' '
test_expect_success 'cherry-pick does not implicitly stomp an existing operation' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&
test_expect_code 1 git cherry-pick base..anotherpick &&
test-chmtime -v +0 .git/sequencer >expect &&
test_must_fail git cherry-pick unrelatedpick &&
test_expect_code 128 git cherry-pick unrelatedpick &&
test-chmtime -v +0 .git/sequencer >actual &&
test_cmp expect actual
'
test_expect_success '--continue complains when no cherry-pick is in progress' '
pristine_detach initial &&
test_must_fail git cherry-pick --continue
test_expect_code 128 git cherry-pick --continue
'
test_expect_success '--continue complains when there are unresolved conflicts' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&
test_must_fail git cherry-pick --continue
test_expect_code 1 git cherry-pick base..anotherpick &&
test_expect_code 128 git cherry-pick --continue
'
test_expect_success '--continue of single cherry-pick' '
@ -318,7 +321,7 @@ test_expect_success '--continue after resolving conflicts' '
test_expect_success '--continue after resolving conflicts and committing' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
@ -368,7 +371,7 @@ test_expect_success 'follow advice and skip nil patch' '
test_expect_success '--continue respects opts' '
pristine_detach initial &&
test_must_fail git cherry-pick -x base..anotherpick &&
test_expect_code 1 git cherry-pick -x base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
@ -409,7 +412,7 @@ test_expect_success '--continue respects -x in first commit in multi-pick' '
test_expect_success '--signoff is not automatically propagated to resolved conflict' '
pristine_detach initial &&
test_must_fail git cherry-pick --signoff base..anotherpick &&
test_expect_code 1 git cherry-pick --signoff base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
@ -453,24 +456,24 @@ test_expect_success 'sign-off needs to be reaffirmed after conflict resolution,
test_expect_success 'malformed instruction sheet 1' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "resolved" >foo &&
git add foo &&
git commit &&
sed "s/pick /pick/" .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
test_must_fail git cherry-pick --continue
test_expect_code 128 git cherry-pick --continue
'
test_expect_success 'malformed instruction sheet 2' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "resolved" >foo &&
git add foo &&
git commit &&
sed "s/pick/revert/" .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
test_must_fail git cherry-pick --continue
test_expect_code 128 git cherry-pick --continue
'
test_expect_success 'empty commit set' '
@ -478,4 +481,40 @@ test_expect_success 'empty commit set' '
test_expect_code 128 git cherry-pick base..base
'
test_expect_success 'malformed instruction sheet 3' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "resolved" >foo &&
git add foo &&
git commit &&
sed "s/pick \([0-9a-f]*\)/pick $_r10/" .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
test_expect_code 128 git cherry-pick --continue
'
test_expect_success 'instruction sheet, fat-fingers version' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
sed "s/pick \([0-9a-f]*\)/pick \1 /" .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
git cherry-pick --continue
'
test_expect_success 'commit descriptions in insn sheet are optional' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
cut -d" " -f1,2 .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
git cherry-pick --continue &&
test_path_is_missing .git/sequencer &&
git rev-list HEAD >commits &&
test_line_count = 4 commits
'
test_done