Merge branch 'rr/revert-cherry-pick'

* 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()

diff --git a/builtin/revert.c b/builtin/revert.c
index fce3f929818d6a7faac5933d585a5217e564f6ba..0d8020cf640e1abe6898308a1656446b327c83f4 100644 (file)
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -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."));

diff --git a/t/t3502-cherry-pick-merge.sh b/t/t3502-cherry-pick-merge.sh
index 0ab52da902c8d602e9c4d64660aa4a7e8e35544f..e37547f41a21ebda150aad6797012c9df3742382 100755 (executable)
--- a/t/t3502-cherry-pick-merge.sh
+++ b/t/t3502-cherry-pick-merge.sh
@@ -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 --
 
 '

diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh
index e80050e1fef9c7c2d83a34aaa671415ea168e8c4..97f371070011e2023552d9fe941dc0a406f6d09f 100755 (executable)
--- a/t/t3510-cherry-pick-sequence.sh
+++ b/t/t3510-cherry-pick-sequence.sh
@@ -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