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-rw-r--r--revision.c228
1 files changed, 181 insertions, 47 deletions
diff --git a/revision.c b/revision.c
index 890aeaeb6..ded881263 100644
--- a/revision.c
+++ b/revision.c
@@ -646,6 +646,93 @@ static int still_interesting(struct commit_list *src, unsigned long date, int sl
return slop-1;
}
+/*
+ * "rev-list --ancestry-path A..B" computes commits that are ancestors
+ * of B but not ancestors of A but further limits the result to those
+ * that are descendants of A. This takes the list of bottom commits and
+ * the result of "A..B" without --ancestry-path, and limits the latter
+ * further to the ones that can reach one of the commits in "bottom".
+ */
+static void limit_to_ancestry(struct commit_list *bottom, struct commit_list *list)
+{
+ struct commit_list *p;
+ struct commit_list *rlist = NULL;
+ int made_progress;
+
+ /*
+ * Reverse the list so that it will be likely that we would
+ * process parents before children.
+ */
+ for (p = list; p; p = p->next)
+ commit_list_insert(p->item, &rlist);
+
+ for (p = bottom; p; p = p->next)
+ p->item->object.flags |= TMP_MARK;
+
+ /*
+ * Mark the ones that can reach bottom commits in "list",
+ * in a bottom-up fashion.
+ */
+ do {
+ made_progress = 0;
+ for (p = rlist; p; p = p->next) {
+ struct commit *c = p->item;
+ struct commit_list *parents;
+ if (c->object.flags & (TMP_MARK | UNINTERESTING))
+ continue;
+ for (parents = c->parents;
+ parents;
+ parents = parents->next) {
+ if (!(parents->item->object.flags & TMP_MARK))
+ continue;
+ c->object.flags |= TMP_MARK;
+ made_progress = 1;
+ break;
+ }
+ }
+ } while (made_progress);
+
+ /*
+ * NEEDSWORK: decide if we want to remove parents that are
+ * not marked with TMP_MARK from commit->parents for commits
+ * in the resulting list. We may not want to do that, though.
+ */
+
+ /*
+ * The ones that are not marked with TMP_MARK are uninteresting
+ */
+ for (p = list; p; p = p->next) {
+ struct commit *c = p->item;
+ if (c->object.flags & TMP_MARK)
+ continue;
+ c->object.flags |= UNINTERESTING;
+ }
+
+ /* We are done with the TMP_MARK */
+ for (p = list; p; p = p->next)
+ p->item->object.flags &= ~TMP_MARK;
+ for (p = bottom; p; p = p->next)
+ p->item->object.flags &= ~TMP_MARK;
+ free_commit_list(rlist);
+}
+
+/*
+ * Before walking the history, keep the set of "negative" refs the
+ * caller has asked to exclude.
+ *
+ * This is used to compute "rev-list --ancestry-path A..B", as we need
+ * to filter the result of "A..B" further to the ones that can actually
+ * reach A.
+ */
+static struct commit_list *collect_bottom_commits(struct commit_list *list)
+{
+ struct commit_list *elem, *bottom = NULL;
+ for (elem = list; elem; elem = elem->next)
+ if (elem->item->object.flags & UNINTERESTING)
+ commit_list_insert(elem->item, &bottom);
+ return bottom;
+}
+
static int limit_list(struct rev_info *revs)
{
int slop = SLOP;
@@ -653,6 +740,13 @@ static int limit_list(struct rev_info *revs)
struct commit_list *list = revs->commits;
struct commit_list *newlist = NULL;
struct commit_list **p = &newlist;
+ struct commit_list *bottom = NULL;
+
+ if (revs->ancestry_path) {
+ bottom = collect_bottom_commits(list);
+ if (!bottom)
+ die("--ancestry-path given but there are no bottom commits");
+ }
while (list) {
struct commit_list *entry = list;
@@ -694,6 +788,11 @@ static int limit_list(struct rev_info *revs)
if (revs->cherry_pick)
cherry_pick_list(newlist, revs);
+ if (bottom) {
+ limit_to_ancestry(bottom, newlist);
+ free_commit_list(bottom);
+ }
+
revs->commits = newlist;
return 0;
}
@@ -721,12 +820,12 @@ static void init_all_refs_cb(struct all_refs_cb *cb, struct rev_info *revs,
cb->all_flags = flags;
}
-static void handle_refs(struct rev_info *revs, unsigned flags,
- int (*for_each)(each_ref_fn, void *))
+static void handle_refs(const char *submodule, struct rev_info *revs, unsigned flags,
+ int (*for_each)(const char *, each_ref_fn, void *))
{
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, flags);
- for_each(handle_one_ref, &cb);
+ for_each(submodule, handle_one_ref, &cb);
}
static void handle_one_reflog_commit(unsigned char *sha1, void *cb_data)
@@ -1049,6 +1148,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
int *unkc, const char **unkv)
{
const char *arg = argv[0];
+ const char *optarg;
+ int argcount;
/* pseudo revision arguments */
if (!strcmp(arg, "--all") || !strcmp(arg, "--branches") ||
@@ -1061,34 +1162,50 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
return 1;
}
- if (!prefixcmp(arg, "--max-count=")) {
- revs->max_count = atoi(arg + 12);
- } else if (!prefixcmp(arg, "--skip=")) {
- revs->skip_count = atoi(arg + 7);
+ if ((argcount = parse_long_opt("max-count", argv, &optarg))) {
+ revs->max_count = atoi(optarg);
+ revs->no_walk = 0;
+ return argcount;
+ } else if ((argcount = parse_long_opt("skip", argv, &optarg))) {
+ revs->skip_count = atoi(optarg);
+ return argcount;
} else if ((*arg == '-') && isdigit(arg[1])) {
/* accept -<digit>, like traditional "head" */
revs->max_count = atoi(arg + 1);
+ revs->no_walk = 0;
} else if (!strcmp(arg, "-n")) {
if (argc <= 1)
return error("-n requires an argument");
revs->max_count = atoi(argv[1]);
+ revs->no_walk = 0;
return 2;
} else if (!prefixcmp(arg, "-n")) {
revs->max_count = atoi(arg + 2);
- } else if (!prefixcmp(arg, "--max-age=")) {
- revs->max_age = atoi(arg + 10);
- } else if (!prefixcmp(arg, "--since=")) {
- revs->max_age = approxidate(arg + 8);
- } else if (!prefixcmp(arg, "--after=")) {
- revs->max_age = approxidate(arg + 8);
- } else if (!prefixcmp(arg, "--min-age=")) {
- revs->min_age = atoi(arg + 10);
- } else if (!prefixcmp(arg, "--before=")) {
- revs->min_age = approxidate(arg + 9);
- } else if (!prefixcmp(arg, "--until=")) {
- revs->min_age = approxidate(arg + 8);
+ revs->no_walk = 0;
+ } else if ((argcount = parse_long_opt("max-age", argv, &optarg))) {
+ revs->max_age = atoi(optarg);
+ return argcount;
+ } else if ((argcount = parse_long_opt("since", argv, &optarg))) {
+ revs->max_age = approxidate(optarg);
+ return argcount;
+ } else if ((argcount = parse_long_opt("after", argv, &optarg))) {
+ revs->max_age = approxidate(optarg);
+ return argcount;
+ } else if ((argcount = parse_long_opt("min-age", argv, &optarg))) {
+ revs->min_age = atoi(optarg);
+ return argcount;
+ } else if ((argcount = parse_long_opt("before", argv, &optarg))) {
+ revs->min_age = approxidate(optarg);
+ return argcount;
+ } else if ((argcount = parse_long_opt("until", argv, &optarg))) {
+ revs->min_age = approxidate(optarg);
+ return argcount;
} else if (!strcmp(arg, "--first-parent")) {
revs->first_parent_only = 1;
+ } else if (!strcmp(arg, "--ancestry-path")) {
+ revs->ancestry_path = 1;
+ revs->simplify_history = 0;
+ revs->limited = 1;
} else if (!strcmp(arg, "-g") || !strcmp(arg, "--walk-reflogs")) {
init_reflog_walk(&revs->reflog_info);
} else if (!strcmp(arg, "--default")) {
@@ -1146,6 +1263,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->boundary = 1;
} else if (!strcmp(arg, "--left-right")) {
revs->left_right = 1;
+ } else if (!strcmp(arg, "--count")) {
+ revs->count = 1;
} else if (!strcmp(arg, "--cherry-pick")) {
revs->cherry_pick = 1;
revs->limited = 1;
@@ -1186,6 +1305,10 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->pretty_given = 1;
get_commit_format(arg+8, revs);
} else if (!prefixcmp(arg, "--pretty=") || !prefixcmp(arg, "--format=")) {
+ /*
+ * Detached form ("--pretty X" as opposed to "--pretty=X")
+ * not allowed, since the argument is optional.
+ */
revs->verbose_header = 1;
revs->pretty_given = 1;
get_commit_format(arg+9, revs);
@@ -1205,8 +1328,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
else
strbuf_addstr(&buf, "refs/notes/");
strbuf_addstr(&buf, arg+13);
- string_list_append(strbuf_detach(&buf, NULL),
- revs->notes_opt.extra_notes_refs);
+ string_list_append(revs->notes_opt.extra_notes_refs,
+ strbuf_detach(&buf, NULL));
} else if (!strcmp(arg, "--no-notes")) {
revs->show_notes = 0;
revs->show_notes_given = 1;
@@ -1250,21 +1373,25 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
} else if (!strcmp(arg, "--relative-date")) {
revs->date_mode = DATE_RELATIVE;
revs->date_mode_explicit = 1;
- } else if (!strncmp(arg, "--date=", 7)) {
- revs->date_mode = parse_date_format(arg + 7);
+ } else if ((argcount = parse_long_opt("date", argv, &optarg))) {
+ revs->date_mode = parse_date_format(optarg);
revs->date_mode_explicit = 1;
+ return argcount;
} else if (!strcmp(arg, "--log-size")) {
revs->show_log_size = 1;
}
/*
* Grepping the commit log
*/
- else if (!prefixcmp(arg, "--author=")) {
- add_header_grep(revs, GREP_HEADER_AUTHOR, arg+9);
- } else if (!prefixcmp(arg, "--committer=")) {
- add_header_grep(revs, GREP_HEADER_COMMITTER, arg+12);
- } else if (!prefixcmp(arg, "--grep=")) {
- add_message_grep(revs, arg+7);
+ else if ((argcount = parse_long_opt("author", argv, &optarg))) {
+ add_header_grep(revs, GREP_HEADER_AUTHOR, optarg);
+ return argcount;
+ } else if ((argcount = parse_long_opt("committer", argv, &optarg))) {
+ add_header_grep(revs, GREP_HEADER_COMMITTER, optarg);
+ return argcount;
+ } else if ((argcount = parse_long_opt("grep", argv, &optarg))) {
+ add_message_grep(revs, optarg);
+ return argcount;
} else if (!strcmp(arg, "--extended-regexp") || !strcmp(arg, "-E")) {
revs->grep_filter.regflags |= REG_EXTENDED;
} else if (!strcmp(arg, "--regexp-ignore-case") || !strcmp(arg, "-i")) {
@@ -1273,12 +1400,12 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->grep_filter.fixed = 1;
} else if (!strcmp(arg, "--all-match")) {
revs->grep_filter.all_match = 1;
- } else if (!prefixcmp(arg, "--encoding=")) {
- arg += 11;
- if (strcmp(arg, "none"))
- git_log_output_encoding = xstrdup(arg);
+ } else if ((argcount = parse_long_opt("encoding", argv, &optarg))) {
+ if (strcmp(optarg, "none"))
+ git_log_output_encoding = xstrdup(optarg);
else
git_log_output_encoding = "";
+ return argcount;
} else if (!strcmp(arg, "--reverse")) {
revs->reverse ^= 1;
} else if (!strcmp(arg, "--children")) {
@@ -1308,14 +1435,14 @@ void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
ctx->argc -= n;
}
-static int for_each_bad_bisect_ref(each_ref_fn fn, void *cb_data)
+static int for_each_bad_bisect_ref(const char *submodule, each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in("refs/bisect/bad", fn, cb_data);
+ return for_each_ref_in_submodule(submodule, "refs/bisect/bad", fn, cb_data);
}
-static int for_each_good_bisect_ref(each_ref_fn fn, void *cb_data)
+static int for_each_good_bisect_ref(const char *submodule, each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in("refs/bisect/good", fn, cb_data);
+ return for_each_ref_in_submodule(submodule, "refs/bisect/good", fn, cb_data);
}
static void append_prune_data(const char ***prune_data, const char **av)
@@ -1357,6 +1484,12 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
{
int i, flags, left, seen_dashdash, read_from_stdin, got_rev_arg = 0;
const char **prune_data = NULL;
+ const char *submodule = NULL;
+ const char *optarg;
+ int argcount;
+
+ if (opt)
+ submodule = opt->submodule;
/* First, search for "--" */
seen_dashdash = 0;
@@ -1381,32 +1514,33 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
int opts;
if (!strcmp(arg, "--all")) {
- handle_refs(revs, flags, for_each_ref);
- handle_refs(revs, flags, head_ref);
+ handle_refs(submodule, revs, flags, for_each_ref_submodule);
+ handle_refs(submodule, revs, flags, head_ref_submodule);
continue;
}
if (!strcmp(arg, "--branches")) {
- handle_refs(revs, flags, for_each_branch_ref);
+ handle_refs(submodule, revs, flags, for_each_branch_ref_submodule);
continue;
}
if (!strcmp(arg, "--bisect")) {
- handle_refs(revs, flags, for_each_bad_bisect_ref);
- handle_refs(revs, flags ^ UNINTERESTING, for_each_good_bisect_ref);
+ handle_refs(submodule, revs, flags, for_each_bad_bisect_ref);
+ handle_refs(submodule, revs, flags ^ UNINTERESTING, for_each_good_bisect_ref);
revs->bisect = 1;
continue;
}
if (!strcmp(arg, "--tags")) {
- handle_refs(revs, flags, for_each_tag_ref);
+ handle_refs(submodule, revs, flags, for_each_tag_ref_submodule);
continue;
}
if (!strcmp(arg, "--remotes")) {
- handle_refs(revs, flags, for_each_remote_ref);
+ handle_refs(submodule, revs, flags, for_each_remote_ref_submodule);
continue;
}
- if (!prefixcmp(arg, "--glob=")) {
+ if ((argcount = parse_long_opt("glob", argv + i, &optarg))) {
struct all_refs_cb cb;
+ i += argcount - 1;
init_all_refs_cb(&cb, revs, flags);
- for_each_glob_ref(handle_one_ref, arg + 7, &cb);
+ for_each_glob_ref(handle_one_ref, optarg, &cb);
continue;
}
if (!prefixcmp(arg, "--branches=")) {
@@ -1781,7 +1915,7 @@ int prepare_revision_walk(struct rev_info *revs)
enum rewrite_result {
rewrite_one_ok,
rewrite_one_noparents,
- rewrite_one_error,
+ rewrite_one_error
};
static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp)
generated by cgit v1.2.1 (git 2.18.0) at 2024-08-08 18:19:47 +0000