diff options
Diffstat (limited to 'sequencer.c')
| -rw-r--r-- | sequencer.c | 100 |
1 files changed, 88 insertions, 12 deletions
diff --git a/sequencer.c b/sequencer.c index bf078f274b..aef5e8a017 100644 --- a/sequencer.c +++ b/sequencer.c @@ -17,7 +17,9 @@ #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" -void remove_sequencer_state(void) +const char sign_off_header[] = "Signed-off-by: "; + +static void remove_sequencer_state(void) { struct strbuf seq_dir = STRBUF_INIT; @@ -58,7 +60,7 @@ static int get_message(struct commit *commit, struct commit_message *out) out->reencoded_message = NULL; out->message = commit->buffer; - if (strcmp(encoding, git_commit_encoding)) + if (same_encoding(encoding, git_commit_encoding)) out->reencoded_message = reencode_string(commit->buffer, git_commit_encoding, encoding); if (out->reencoded_message) @@ -184,14 +186,15 @@ static int error_dirty_index(struct replay_opts *opts) return -1; } -static int fast_forward_to(const unsigned char *to, const unsigned char *from) +static int fast_forward_to(const unsigned char *to, const unsigned char *from, + int unborn) { struct ref_lock *ref_lock; read_cache(); - if (checkout_fast_forward(from, to)) + if (checkout_fast_forward(from, to, 1)) exit(1); /* the callee should have complained already */ - ref_lock = lock_any_ref_for_update("HEAD", from, 0); + ref_lock = lock_any_ref_for_update("HEAD", unborn ? null_sha1 : from, 0); return write_ref_sha1(ref_lock, to, "cherry-pick"); } @@ -233,6 +236,9 @@ static int do_recursive_merge(struct commit *base, struct commit *next, die(_("%s: Unable to write new index file"), action_name(opts)); rollback_lock_file(&index_lock); + if (opts->signoff) + append_signoff(msgbuf, 0); + if (!clean) { int i; strbuf_addstr(msgbuf, "\nConflicts:\n"); @@ -311,6 +317,9 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts, if (allow_empty) argv_array_push(&array, "--allow-empty"); + if (opts->allow_empty_message) + argv_array_push(&array, "--allow-empty-message"); + rc = run_command_v_opt(array.argv, RUN_GIT_CMD); argv_array_clear(&array); return rc; @@ -382,7 +391,7 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) struct commit_message msg = { NULL, NULL, NULL, NULL, NULL }; char *defmsg = NULL; struct strbuf msgbuf = STRBUF_INIT; - int res; + int res, unborn = 0; if (opts->no_commit) { /* @@ -394,9 +403,10 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) if (write_cache_as_tree(head, 0, NULL)) die (_("Your index file is unmerged.")); } else { - if (get_sha1("HEAD", head)) - return error(_("You do not have a valid HEAD")); - if (index_differs_from("HEAD", 0)) + unborn = get_sha1("HEAD", head); + if (unborn) + hashcpy(head, EMPTY_TREE_SHA1_BIN); + if (index_differs_from(unborn ? EMPTY_TREE_SHA1_HEX : "HEAD", 0)) return error_dirty_index(opts); } discard_cache(); @@ -427,8 +437,10 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) else parent = commit->parents->item; - if (opts->allow_ff && parent && !hashcmp(parent->object.sha1, head)) - return fast_forward_to(commit->object.sha1, head); + if (opts->allow_ff && + ((parent && !hashcmp(parent->object.sha1, head)) || + (!parent && unborn))) + return fast_forward_to(commit->object.sha1, head, unborn); if (parent && parse_commit(parent) < 0) /* TRANSLATORS: The first %s will be "revert" or @@ -543,7 +555,11 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) static void prepare_revs(struct replay_opts *opts) { - if (opts->action != REPLAY_REVERT) + /* + * picking (but not reverting) ranges (but not individual revisions) + * should be done in reverse + */ + if (opts->action == REPLAY_PICK && !opts->revs->no_walk) opts->revs->reverse ^= 1; if (prepare_revision_walk(opts->revs)) @@ -1004,3 +1020,63 @@ int sequencer_pick_revisions(struct replay_opts *opts) save_opts(opts); return pick_commits(todo_list, opts); } + +static int ends_rfc2822_footer(struct strbuf *sb, int ignore_footer) +{ + int ch; + int hit = 0; + int i, j, k; + int len = sb->len - ignore_footer; + int first = 1; + const char *buf = sb->buf; + + for (i = len - 1; i > 0; i--) { + if (hit && buf[i] == '\n') + break; + hit = (buf[i] == '\n'); + } + + while (i < len - 1 && buf[i] == '\n') + i++; + + for (; i < len; i = k) { + for (k = i; k < len && buf[k] != '\n'; k++) + ; /* do nothing */ + k++; + + if ((buf[k] == ' ' || buf[k] == '\t') && !first) + continue; + + first = 0; + + for (j = 0; i + j < len; j++) { + ch = buf[i + j]; + if (ch == ':') + break; + if (isalnum(ch) || + (ch == '-')) + continue; + return 0; + } + } + return 1; +} + +void append_signoff(struct strbuf *msgbuf, int ignore_footer) +{ + struct strbuf sob = STRBUF_INIT; + int i; + + strbuf_addstr(&sob, sign_off_header); + strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"), + getenv("GIT_COMMITTER_EMAIL"))); + strbuf_addch(&sob, '\n'); + for (i = msgbuf->len - 1 - ignore_footer; i > 0 && msgbuf->buf[i - 1] != '\n'; i--) + ; /* do nothing */ + if (prefixcmp(msgbuf->buf + i, sob.buf)) { + if (!i || !ends_rfc2822_footer(msgbuf, ignore_footer)) + strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0, "\n", 1); + strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0, sob.buf, sob.len); + } + strbuf_release(&sob); +} |