Instead of manually writing a pseudoref (in one case) and shelling out
to git update-ref (in another), use the update_ref function. This
is much simpler.
Signed-off-by: David Turner <dtur...@twopensource.com>
---
bisect.c | 37 ++++++++-----------------------------
1 file changed, 8 insertions(+), 29 deletions(-)
diff --git a/bisect.c b/bisect.c
index 857cf59..33ac88d 100644
--- a/bisect.c
+++ b/bisect.c
@@ -19,7 +19,6 @@ static struct object_id *current_bad_oid;
static const char *argv_checkout[] = {"checkout", "-q", NULL, "--", NULL};
static const char *argv_show_branch[] = {"show-branch", NULL, NULL};
-static const char *argv_update_ref[] = {"update-ref", "--no-deref",
"BISECT_HEAD", NULL, NULL};
static const char *term_bad;
static const char *term_good;
@@ -675,34 +674,16 @@ static int is_expected_rev(const struct object_id *oid)
return res;
}
-static void mark_expected_rev(char *bisect_rev_hex)
-{
- int len = strlen(bisect_rev_hex);
- const char *filename = git_path("BISECT_EXPECTED_REV");
- int fd = open(filename, O_CREAT | O_TRUNC | O_WRONLY, 0600);
-
- if (fd < 0)
- die_errno("could not create file '%s'", filename);
-
- bisect_rev_hex[len] = '\n';
- write_or_die(fd, bisect_rev_hex, len + 1);
- bisect_rev_hex[len] = '\0';
-
- if (close(fd) < 0)
- die("closing file %s: %s", filename, strerror(errno));
-}
-
-static int bisect_checkout(char *bisect_rev_hex, int no_checkout)
+static int bisect_checkout(const unsigned char *bisect_rev, int no_checkout)
{
+ char bisect_rev_hex[GIT_SHA1_HEXSZ + 1];
- mark_expected_rev(bisect_rev_hex);
+ memcpy(bisect_rev_hex, sha1_to_hex(bisect_rev), GIT_SHA1_HEXSZ + 1);
+ update_ref(NULL, "BISECT_EXPECTED_REV", bisect_rev, NULL, 0,
UPDATE_REFS_DIE_ON_ERR);
argv_checkout[2] = bisect_rev_hex;
if (no_checkout) {
- argv_update_ref[3] = bisect_rev_hex;
- if (run_command_v_opt(argv_update_ref, RUN_GIT_CMD))
- die("update-ref --no-deref HEAD failed on %s",
- bisect_rev_hex);
+ update_ref(NULL, "BISECT_HEAD", bisect_rev, NULL, 0,
UPDATE_REFS_DIE_ON_ERR);
} else {
int res;
res = run_command_v_opt(argv_checkout, RUN_GIT_CMD);
@@ -804,7 +785,7 @@ static void check_merge_bases(int no_checkout)
handle_skipped_merge_base(mb);
} else {
printf("Bisecting: a merge base must be tested\n");
- exit(bisect_checkout(sha1_to_hex(mb), no_checkout));
+ exit(bisect_checkout(mb, no_checkout));
}
}
@@ -948,7 +929,6 @@ int bisect_next_all(const char *prefix, int no_checkout)
struct commit_list *tried;
int reaches = 0, all = 0, nr, steps;
const unsigned char *bisect_rev;
- char bisect_rev_hex[GIT_SHA1_HEXSZ + 1];
read_bisect_terms(&term_bad, &term_good);
if (read_bisect_refs())
@@ -986,11 +966,10 @@ int bisect_next_all(const char *prefix, int no_checkout)
}
bisect_rev = revs.commits->item->object.sha1;
- memcpy(bisect_rev_hex, sha1_to_hex(bisect_rev), GIT_SHA1_HEXSZ + 1);
if (!hashcmp(bisect_rev, current_bad_oid->hash)) {
exit_if_skipped_commits(tried, current_bad_oid);
- printf("%s is the first %s commit\n", bisect_rev_hex,
+ printf("%s is the first %s commit\n", sha1_to_hex(bisect_rev),
term_bad);
show_diff_tree(prefix, revs.commits->item);
/* This means the bisection process succeeded. */
@@ -1003,7 +982,7 @@ int bisect_next_all(const char *prefix, int no_checkout)
"(roughly %d step%s)\n", nr, (nr == 1 ? "" : "s"),
steps, (steps == 1 ? "" : "s"));
- return bisect_checkout(bisect_rev_hex, no_checkout);
+ return bisect_checkout(bisect_rev, no_checkout);
}
static inline int log2i(int n)
--
2.0.4.315.gad8727a-twtrsrc
--
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