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From: Paul Tan <pyokagan@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org,
	Johannes Schindelin <johannes.schindelin@gmx.de>,
	Stefan Beller <sbeller@google.com>
Subject: Re: [PATCH v5 00/44] Make git-am a builtin
Date: Wed, 8 Jul 2015 16:19:02 +0800	[thread overview]
Message-ID: <20150708081902.GA8606@yoshi.chippynet.com> (raw)
In-Reply-To: <xmqqa8v7yts9.fsf@gitster.dls.corp.google.com>

On Wed, Jul 08, 2015 at 12:48:06AM -0700, Junio C Hamano wrote:
> Junio C Hamano <gitster@pobox.com> writes:
> $ git am -s ./+dt
> ...
> error: patch failed: builtin/update-ref.c:421
> error: builtin/update-ref.c: patch does not apply
> Patch failed at 0007 update-ref and tag: add --create-reflog arg
> The copy of the patch that failed is found in:.git/rebase-apply/patch
> When you have resolved this problem, run "git am --continue".
> If you prefer to skip this patch, run "git am --skip" instead.
> To restore the original branch and stop patching, run "git am --abort".
> $ git am -3
> git: builtin/am.c:1332: parse_mail: Assertion `!state->author_name'
> failed.
> Aborted (core dumped)

Ah, it's because parse_mail() does not expect to be called while the
authorship and commit msg fields have been filled up. This is a wrong
assumption, of course.

So the fix would be to remove the assert()s, as follows:

diff --git a/builtin/am.c b/builtin/am.c
index c548129..ab560ab 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1327,16 +1327,20 @@ static int parse_mail(struct am_state *state, const char *mail)
 	if (state->append_signoff)
 		append_signoff(&msg, 0, 0);
 
-	assert(!state->author_name);
+	if (state->author_name)
+		free(state->author_name);
 	state->author_name = strbuf_detach(&author_name, NULL);
 
-	assert(!state->author_email);
+	if (state->author_email)
+		free(state->author_email);
 	state->author_email = strbuf_detach(&author_email, NULL);
 
-	assert(!state->author_date);
+	if (state->author_date)
+		free(state->author_date);
 	state->author_date = strbuf_detach(&author_date, NULL);
 
-	assert(!state->msg);
+	if (state->msg)
+		free(state->msg);
 	state->msg = strbuf_detach(&msg, &state->msg_len);
 
 finish:
@@ -1392,7 +1396,9 @@ static void get_commit_info(struct am_state *state, struct commit *commit)
 		die(_("invalid ident line: %s"), sb.buf);
 	}
 
-	assert(!state->author_name);
+	if (state->author_name)
+		free(state->author_name);
+
 	if (ident_split.name_begin) {
 		strbuf_add(&sb, ident_split.name_begin,
 			ident_split.name_end - ident_split.name_begin);
@@ -1400,7 +1406,9 @@ static void get_commit_info(struct am_state *state, struct commit *commit)
 	} else
 		state->author_name = xstrdup("");
 
-	assert(!state->author_email);
+	if (state->author_email)
+		free(state->author_email);
+
 	if (ident_split.mail_begin) {
 		strbuf_add(&sb, ident_split.mail_begin,
 			ident_split.mail_end - ident_split.mail_begin);
@@ -1410,13 +1418,17 @@ static void get_commit_info(struct am_state *state, struct commit *commit)
 
 	author_date = show_ident_date(&ident_split, DATE_NORMAL);
 	strbuf_addstr(&sb, author_date);
-	assert(!state->author_date);
+
+	if (state->author_date)
+		free(state->author_date);
 	state->author_date = strbuf_detach(&sb, NULL);
 
-	assert(!state->msg);
 	msg = strstr(buffer, "\n\n");
 	if (!msg)
 		die(_("unable to parse commit %s"), sha1_to_hex(commit->object.sha1));
+
+	if (state->msg)
+		free(state->msg);
 	state->msg = xstrdup(msg + 2);
 	state->msg_len = strlen(state->msg);
 }

  reply	other threads:[~2015-07-08  8:20 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-07 14:20 [PATCH v5 00/44] Make git-am a builtin Paul Tan
2015-07-07 14:20 ` [PATCH v5 01/44] wrapper: implement xopen() Paul Tan
2015-07-07 14:20 ` [PATCH v5 02/44] wrapper: implement xfopen() Paul Tan
2015-07-07 14:20 ` [PATCH v5 03/44] builtin-am: implement skeletal builtin am Paul Tan
2015-07-07 14:20 ` [PATCH v5 04/44] builtin-am: implement patch queue mechanism Paul Tan
2015-07-07 14:20 ` [PATCH v5 05/44] builtin-am: split out mbox/maildir patches with git-mailsplit Paul Tan
2015-07-07 14:20 ` [PATCH v5 06/44] builtin-am: auto-detect mbox patches Paul Tan
2015-07-07 14:20 ` [PATCH v5 07/44] builtin-am: extract patch and commit info with git-mailinfo Paul Tan
2015-07-07 14:20 ` [PATCH v5 08/44] builtin-am: apply patch with git-apply Paul Tan
2015-07-07 14:20 ` [PATCH v5 09/44] builtin-am: implement committing applied patch Paul Tan
2015-07-07 14:20 ` [PATCH v5 10/44] builtin-am: refuse to apply patches if index is dirty Paul Tan
2015-07-07 14:20 ` [PATCH v5 11/44] builtin-am: implement --resolved/--continue Paul Tan
2015-07-07 14:20 ` [PATCH v5 12/44] builtin-am: implement --skip Paul Tan
2015-07-13 19:05   ` Stefan Beller
2015-07-14  9:34     ` Paul Tan
2015-07-14 16:54       ` Stefan Beller
2015-07-18 15:22         ` Paul Tan
2015-07-07 14:20 ` [PATCH v5 13/44] builtin-am: implement --abort Paul Tan
2015-07-07 14:20 ` [PATCH v5 14/44] builtin-am: reject patches when there's a session in progress Paul Tan
2015-07-07 14:20 ` [PATCH v5 15/44] builtin-am: implement -q/--quiet Paul Tan
2015-07-07 14:20 ` [PATCH v5 16/44] builtin-am: exit with user friendly message on failure Paul Tan
2015-07-07 14:20 ` [PATCH v5 17/44] builtin-am: implement -s/--signoff Paul Tan
2015-07-07 14:20 ` [PATCH v5 18/44] cache-tree: introduce write_index_as_tree() Paul Tan
2015-07-07 20:10   ` Junio C Hamano
2015-07-07 14:20 ` [PATCH v5 19/44] builtin-am: implement --3way, am.threeWay Paul Tan
2015-07-07 20:14   ` Junio C Hamano
2015-07-14  9:32     ` Paul Tan
2015-07-07 14:20 ` [PATCH v5 20/44] builtin-am: implement --rebasing mode Paul Tan
2015-07-07 14:20 ` [PATCH v5 21/44] builtin-am: bypass git-mailinfo when --rebasing Paul Tan
2015-07-07 14:20 ` [PATCH v5 22/44] builtin-am: handle stray state directory Paul Tan
2015-07-07 14:20 ` [PATCH v5 23/44] builtin-am: implement -u/--utf8 Paul Tan
2015-07-07 14:20 ` [PATCH v5 24/44] builtin-am: implement -k/--keep, --keep-non-patch Paul Tan
2015-07-07 14:20 ` [PATCH v5 25/44] builtin-am: implement --[no-]message-id, am.messageid Paul Tan
2015-07-07 14:20 ` [PATCH v5 26/44] builtin-am: support --keep-cr, am.keepcr Paul Tan
2015-07-07 14:20 ` [PATCH v5 27/44] builtin-am: implement --[no-]scissors Paul Tan
2015-07-07 14:20 ` [PATCH v5 28/44] builtin-am: pass git-apply's options to git-apply Paul Tan
2015-07-07 14:20 ` [PATCH v5 29/44] builtin-am: implement --ignore-date Paul Tan
2015-07-07 14:20 ` [PATCH v5 30/44] builtin-am: implement --committer-date-is-author-date Paul Tan
2015-07-07 14:20 ` [PATCH v5 31/44] builtin-am: implement -S/--gpg-sign, commit.gpgsign Paul Tan
2015-07-07 14:20 ` [PATCH v5 32/44] builtin-am: invoke post-rewrite hook Paul Tan
2015-07-07 14:20 ` [PATCH v5 33/44] builtin-am: support automatic notes copying Paul Tan
2015-07-07 14:20 ` [PATCH v5 34/44] builtin-am: invoke applypatch-msg hook Paul Tan
2015-07-07 14:20 ` [PATCH v5 35/44] builtin-am: invoke pre-applypatch hook Paul Tan
2015-07-07 14:20 ` [PATCH v5 36/44] builtin-am: invoke post-applypatch hook Paul Tan
2015-07-07 14:20 ` [PATCH v5 37/44] builtin-am: rerere support Paul Tan
2015-07-07 14:20 ` [PATCH v5 38/44] builtin-am: support and auto-detect StGit patches Paul Tan
2015-07-07 14:20 ` [PATCH v5 39/44] builtin-am: support and auto-detect StGit series files Paul Tan
2015-07-07 14:20 ` [PATCH v5 40/44] builtin-am: support and auto-detect mercurial patches Paul Tan
2015-07-07 14:20 ` [PATCH v5 41/44] builtin-am: implement -i/--interactive Paul Tan
2015-07-07 14:21 ` [PATCH v5 42/44] builtin-am: implement legacy -b/--binary option Paul Tan
2015-07-07 14:21 ` [PATCH v5 43/44] builtin-am: check for valid committer ident Paul Tan
2015-07-07 14:21 ` [PATCH v5 44/44] builtin-am: remove redirection to git-am.sh Paul Tan
2015-07-07 18:52 ` [PATCH v5 00/44] Make git-am a builtin Junio C Hamano
2015-07-07 19:25   ` Paul Tan
2015-07-08  7:31 ` Junio C Hamano
2015-07-08  7:44   ` Paul Tan
2015-07-08  7:48   ` Junio C Hamano
2015-07-08  8:19     ` Paul Tan [this message]
2015-07-09  6:00       ` Junio C Hamano
2015-07-12 12:29         ` Paul Tan
2015-07-12 17:32           ` Junio C Hamano
2015-07-13 22:31 ` Junio C Hamano
2015-07-14 10:08   ` Paul Tan

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