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transport.c: extract 'fill_alternate_refs_command'

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To list alternate references, 'read_alternate_refs' creates a child
process running 'git for-each-ref' in the alternate's Git directory.

Prepare to run other commands besides 'git for-each-ref' by introducing
and moving the relevant code from 'read_alternate_refs' to
'fill_alternate_refs_command'.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Taylor Blau
2018-10-08 11:09:26 -07:00
committed by Junio C Hamano
parent bdf4276c91
commit 1e5f31d444
1 changed files with 12 additions and 6 deletions
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18
transport.c
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@ -1325,6 +1325,17 @@ literal_copy:
return xstrdup(url); return xstrdup(url);
} }
static void fill_alternate_refs_command(struct child_process *cmd,
const char *repo_path)
{
cmd->git_cmd = 1;
argv_array_pushf(&cmd->args, "--git-dir=%s", repo_path);
argv_array_push(&cmd->args, "for-each-ref");
argv_array_push(&cmd->args, "--format=%(objectname)");
cmd->env = local_repo_env;
cmd->out = -1;
}
static void read_alternate_refs(const char *path, static void read_alternate_refs(const char *path,
alternate_ref_fn *cb, alternate_ref_fn *cb,
void *data) void *data)
@ -1333,12 +1344,7 @@ static void read_alternate_refs(const char *path,
struct strbuf line = STRBUF_INIT; struct strbuf line = STRBUF_INIT;
FILE *fh; FILE *fh;
cmd.git_cmd = 1; fill_alternate_refs_command(&cmd, path);
argv_array_pushf(&cmd.args, "--git-dir=%s", path);
argv_array_push(&cmd.args, "for-each-ref");
argv_array_push(&cmd.args, "--format=%(objectname)");
cmd.env = local_repo_env;
cmd.out = -1;
if (start_command(&cmd)) if (start_command(&cmd))
return; return;