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-rw-r--r--bisect.c75
1 files changed, 35 insertions, 40 deletions
diff --git a/bisect.c b/bisect.c
index 1be8e0a..29aae87 100644
--- a/bisect.c
+++ b/bisect.c
@@ -9,7 +9,6 @@
#include "refs.h"
#include "list-objects.h"
#include "quote.h"
-#include "hash-lookup.h"
#include "run-command.h"
#include "log-tree.h"
#include "bisect.h"
@@ -159,6 +158,9 @@ static void show_list(const char *debug, int counted, int nr,
const char *subject_start;
int subject_len;
+ if (!buf)
+ die(_("unable to read %s"), oid_to_hex(&commit->object.oid));
+
fprintf(stderr, "%c%c%c ",
(commit_flags & TREESAME) ? ' ' : 'T',
(commit_flags & UNINTERESTING) ? 'U' : ' ',
@@ -471,7 +473,6 @@ static int read_bisect_refs(void)
}
static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES")
-static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV")
static GIT_PATH_FUNC(git_path_bisect_ancestors_ok, "BISECT_ANCESTORS_OK")
static GIT_PATH_FUNC(git_path_bisect_run, "BISECT_RUN")
static GIT_PATH_FUNC(git_path_bisect_start, "BISECT_START")
@@ -707,26 +708,10 @@ static enum bisect_error error_if_skipped_commits(struct commit_list *tried,
static int is_expected_rev(const struct object_id *oid)
{
- const char *filename = git_path_bisect_expected_rev();
- struct stat st;
- struct strbuf str = STRBUF_INIT;
- FILE *fp;
- int res = 0;
-
- if (stat(filename, &st) || !S_ISREG(st.st_mode))
+ struct object_id expected_oid;
+ if (read_ref("BISECT_EXPECTED_REV", &expected_oid))
return 0;
-
- fp = fopen_or_warn(filename, "r");
- if (!fp)
- return 0;
-
- if (strbuf_getline_lf(&str, fp) != EOF)
- res = !strcmp(str.buf, oid_to_hex(oid));
-
- strbuf_release(&str);
- fclose(fp);
-
- return res;
+ return oideq(oid, &expected_oid);
}
enum bisect_error bisect_checkout(const struct object_id *bisect_rev,
@@ -851,10 +836,11 @@ static void handle_skipped_merge_base(const struct object_id *mb)
static enum bisect_error check_merge_bases(int rev_nr, struct commit **rev, int no_checkout)
{
enum bisect_error res = BISECT_OK;
- struct commit_list *result;
+ struct commit_list *result = NULL;
- result = repo_get_merge_bases_many(the_repository, rev[0], rev_nr - 1,
- rev + 1);
+ if (repo_get_merge_bases_many(the_repository, rev[0], rev_nr - 1,
+ rev + 1, &result) < 0)
+ exit(128);
for (; result; result = result->next) {
const struct object_id *mb = &result->item->object.oid;
@@ -960,23 +946,32 @@ static enum bisect_error check_good_are_ancestors_of_bad(struct repository *r,
}
/*
- * This does "git diff-tree --pretty COMMIT" without one fork+exec.
+ * Display a commit summary to the user.
*/
-static void show_diff_tree(struct repository *r,
- const char *prefix,
- struct commit *commit)
+static void show_commit(struct commit *commit)
{
- const char *argv[] = {
- "diff-tree", "--pretty", "--stat", "--summary", "--cc", NULL
- };
- struct rev_info opt;
-
- git_config(git_diff_ui_config, NULL);
- repo_init_revisions(r, &opt, prefix);
+ struct child_process show = CHILD_PROCESS_INIT;
- setup_revisions(ARRAY_SIZE(argv) - 1, argv, &opt, NULL);
- log_tree_commit(&opt, commit);
- release_revisions(&opt);
+ /*
+ * Call git show with --no-pager, as it would otherwise
+ * paginate the "git show" output only, not the output
+ * from bisect_next_all(); this can be fixed by moving
+ * it into a --format parameter, but that would override
+ * the user's default options for "git show", which we
+ * are trying to honour.
+ */
+ strvec_pushl(&show.args,
+ "--no-pager",
+ "show",
+ "--stat",
+ "--summary",
+ "--no-abbrev-commit",
+ "--diff-merges=first-parent",
+ oid_to_hex(&commit->object.oid), NULL);
+ show.git_cmd = 1;
+ if (run_command(&show))
+ die(_("unable to start 'show' for object '%s'"),
+ oid_to_hex(&commit->object.oid));
}
/*
@@ -1093,7 +1088,7 @@ enum bisect_error bisect_next_all(struct repository *r, const char *prefix)
printf("%s is the first %s commit\n", oid_to_hex(bisect_rev),
term_bad);
- show_diff_tree(r, prefix, revs.commits->item);
+ show_commit(revs.commits->item);
/*
* This means the bisection process succeeded.
* Using BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND (-10)
@@ -1185,10 +1180,10 @@ int bisect_clean_state(void)
struct string_list refs_for_removal = STRING_LIST_INIT_NODUP;
for_each_ref_in("refs/bisect", mark_for_removal, (void *) &refs_for_removal);
string_list_append(&refs_for_removal, xstrdup("BISECT_HEAD"));
+ string_list_append(&refs_for_removal, xstrdup("BISECT_EXPECTED_REV"));
result = delete_refs("bisect: remove", &refs_for_removal, REF_NO_DEREF);
refs_for_removal.strdup_strings = 1;
string_list_clear(&refs_for_removal, 0);
- unlink_or_warn(git_path_bisect_expected_rev());
unlink_or_warn(git_path_bisect_ancestors_ok());
unlink_or_warn(git_path_bisect_log());
unlink_or_warn(git_path_bisect_names());