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stat_tracking_info: convert to argv_array 

In addition to dropping the magic number for the fixed-size
argv, we can also drop a fixed-length buffer and some
strcpy's into it.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2015-09-24 17:07:58 -04:00 committed by Junio C Hamano
parent a0355f6bcd
commit 0b282cc4b2
1 changed files with 12 additions and 14 deletions
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26
remote.c
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@ -8,6 +8,7 @@
#include "tag.h"
#include "string-list.h"
#include "mergesort.h"
#include "argv-array.h"
enum map_direction { FROM_SRC, FROM_DST };
@ -1997,10 +1998,9 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
{
unsigned char sha1[20];
struct commit *ours, *theirs;
char symmetric[84];
struct rev_info revs;
const char *rev_argv[10], *base;
int rev_argc;
const char *base;
struct argv_array argv = ARGV_ARRAY_INIT;
/* Cannot stat unless we are marked to build on top of somebody else. */
base = branch_get_upstream(branch, NULL);
@ -2029,19 +2029,15 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
}
/* Run "rev-list --left-right ours...theirs" internally... */
rev_argc = 0;
rev_argv[rev_argc++] = NULL;
rev_argv[rev_argc++] = "--left-right";
rev_argv[rev_argc++] = symmetric;
rev_argv[rev_argc++] = "--";
rev_argv[rev_argc] = NULL;
strcpy(symmetric, sha1_to_hex(ours->object.sha1));
strcpy(symmetric + 40, "...");
strcpy(symmetric + 43, sha1_to_hex(theirs->object.sha1));
argv_array_push(&argv, ""); /* ignored */
argv_array_push(&argv, "--left-right");
argv_array_pushf(&argv, "%s...%s",
sha1_to_hex(ours->object.sha1),
sha1_to_hex(theirs->object.sha1));
argv_array_push(&argv, "--");
init_revisions(&revs, NULL);
setup_revisions(rev_argc, rev_argv, &revs, NULL);
setup_revisions(argv.argc, argv.argv, &revs, NULL);
if (prepare_revision_walk(&revs))
die("revision walk setup failed");
@ -2061,6 +2057,8 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
/* clear object flags smudged by the above traversal */
clear_commit_marks(ours, ALL_REV_FLAGS);
clear_commit_marks(theirs, ALL_REV_FLAGS);
argv_array_clear(&argv);
return 0;
}