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get_helper: use run-command's internal argv_array

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The get_helper functions dynamically allocates an
argv_array, feeds it to start_command, and then returns. We
then have to later clean up the memory manually after
calling finish_command. We can make this simpler by just
using run-command's internal argv_array, which handles
cleanup for us.

This also prevents a memory leak in the case that
transport_take_over is used, in which case we free the child
in finish_connect, which does not manually free the array.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2014-05-15 04:34:18 -04:00 committed by Junio C Hamano
parent 1823bea10f
commit e0ab2ac6c5
1 changed files with 3 additions and 6 deletions
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9
transport-helper.c
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@ -101,7 +101,6 @@ static void do_take_over(struct transport *transport)
static struct child_process *get_helper(struct transport *transport)
{
struct helper_data *data = transport->data;
struct argv_array argv = ARGV_ARRAY_INIT;
struct strbuf buf = STRBUF_INIT;
struct child_process *helper;
const char **refspecs = NULL;
@ -123,10 +122,9 @@ static struct child_process *get_helper(struct transport *transport)
helper->in = -1;
helper->out = -1;
helper->err = 0;
argv_array_pushf(&argv, "git-remote-%s", data->name);
argv_array_push(&argv, transport->remote->name);
argv_array_push(&argv, remove_ext_force(transport->url));
helper->argv = argv_array_detach(&argv, NULL);
argv_array_pushf(&helper->args, "git-remote-%s", data->name);
argv_array_push(&helper->args, transport->remote->name);
argv_array_push(&helper->args, remove_ext_force(transport->url));
helper->git_cmd = 0;
helper->silent_exec_failure = 1;
@ -245,7 +243,6 @@ static int disconnect_helper(struct transport *transport)
close(data->helper->out);
fclose(data->out);
res = finish_command(data->helper);
argv_array_free_detached(data->helper->argv);
free(data->helper);
data->helper = NULL;
}