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-rw-r--r--revision.c194
1 files changed, 154 insertions, 40 deletions
diff --git a/revision.c b/revision.c
index 18b7ebbbd5..34f9ab98d1 100644
--- a/revision.c
+++ b/revision.c
@@ -133,7 +133,7 @@ void mark_parents_uninteresting(struct commit *commit)
static void add_pending_object_with_mode(struct rev_info *revs, struct object *obj, const char *name, unsigned mode)
{
if (revs->no_walk && (obj->flags & UNINTERESTING))
- die("object ranges do not make sense when not walking revisions");
+ revs->no_walk = 0;
if (revs->reflog_info && obj->type == OBJ_COMMIT &&
add_reflog_for_walk(revs->reflog_info,
(struct commit *)obj, name))
@@ -256,10 +256,12 @@ static int everybody_uninteresting(struct commit_list *orig)
/*
* The goal is to get REV_TREE_NEW as the result only if the
- * diff consists of all '+' (and no other changes), and
- * REV_TREE_DIFFERENT otherwise (of course if the trees are
- * the same we want REV_TREE_SAME). That means that once we
- * get to REV_TREE_DIFFERENT, we do not have to look any further.
+ * diff consists of all '+' (and no other changes), REV_TREE_OLD
+ * if the whole diff is removal of old data, and otherwise
+ * REV_TREE_DIFFERENT (of course if the trees are the same we
+ * want REV_TREE_SAME).
+ * That means that once we get to REV_TREE_DIFFERENT, we do not
+ * have to look any further.
*/
static int tree_difference = REV_TREE_SAME;
@@ -268,22 +270,9 @@ static void file_add_remove(struct diff_options *options,
const unsigned char *sha1,
const char *fullpath)
{
- int diff = REV_TREE_DIFFERENT;
+ int diff = addremove == '+' ? REV_TREE_NEW : REV_TREE_OLD;
- /*
- * Is it an add of a new file? It means that the old tree
- * didn't have it at all, so we will turn "REV_TREE_SAME" ->
- * "REV_TREE_NEW", but leave any "REV_TREE_DIFFERENT" alone
- * (and if it already was "REV_TREE_NEW", we'll keep it
- * "REV_TREE_NEW" of course).
- */
- if (addremove == '+') {
- diff = tree_difference;
- if (diff != REV_TREE_SAME)
- return;
- diff = REV_TREE_NEW;
- }
- tree_difference = diff;
+ tree_difference |= diff;
if (tree_difference == REV_TREE_DIFFERENT)
DIFF_OPT_SET(options, HAS_CHANGES);
}
@@ -305,6 +294,8 @@ static int rev_compare_tree(struct rev_info *revs, struct commit *parent, struct
if (!t1)
return REV_TREE_NEW;
+ if (!t2)
+ return REV_TREE_OLD;
if (revs->simplify_by_decoration) {
/*
@@ -323,8 +314,7 @@ static int rev_compare_tree(struct rev_info *revs, struct commit *parent, struct
if (!revs->prune_data)
return REV_TREE_SAME;
}
- if (!t2)
- return REV_TREE_DIFFERENT;
+
tree_difference = REV_TREE_SAME;
DIFF_OPT_CLR(&revs->pruning, HAS_CHANGES);
if (diff_tree_sha1(t1->object.sha1, t2->object.sha1, "",
@@ -429,6 +419,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
p->parents = NULL;
}
/* fallthrough */
+ case REV_TREE_OLD:
case REV_TREE_DIFFERENT:
tree_changed = 1;
pp = &parent->next;
@@ -962,21 +953,59 @@ int handle_revision_arg(const char *arg, struct rev_info *revs,
return 0;
}
-void read_revisions_from_stdin(struct rev_info *revs)
+static void read_pathspec_from_stdin(struct rev_info *revs, struct strbuf *sb, const char ***prune_data)
{
- char line[1000];
+ const char **prune = *prune_data;
+ int prune_nr;
+ int prune_alloc;
+
+ /* count existing ones */
+ if (!prune)
+ prune_nr = 0;
+ else
+ for (prune_nr = 0; prune[prune_nr]; prune_nr++)
+ ;
+ prune_alloc = prune_nr; /* not really, but we do not know */
- while (fgets(line, sizeof(line), stdin) != NULL) {
- int len = strlen(line);
- if (len && line[len - 1] == '\n')
- line[--len] = '\0';
+ while (strbuf_getwholeline(sb, stdin, '\n') != EOF) {
+ int len = sb->len;
+ if (len && sb->buf[len - 1] == '\n')
+ sb->buf[--len] = '\0';
+ ALLOC_GROW(prune, prune_nr+1, prune_alloc);
+ prune[prune_nr++] = xstrdup(sb->buf);
+ }
+ if (prune) {
+ ALLOC_GROW(prune, prune_nr+1, prune_alloc);
+ prune[prune_nr] = NULL;
+ }
+ *prune_data = prune;
+}
+
+static void read_revisions_from_stdin(struct rev_info *revs, const char ***prune)
+{
+ struct strbuf sb;
+ int seen_dashdash = 0;
+
+ strbuf_init(&sb, 1000);
+ while (strbuf_getwholeline(&sb, stdin, '\n') != EOF) {
+ int len = sb.len;
+ if (len && sb.buf[len - 1] == '\n')
+ sb.buf[--len] = '\0';
if (!len)
break;
- if (line[0] == '-')
+ if (sb.buf[0] == '-') {
+ if (len == 2 && sb.buf[1] == '-') {
+ seen_dashdash = 1;
+ break;
+ }
die("options not supported in --stdin mode");
- if (handle_revision_arg(line, revs, 0, 1))
- die("bad revision '%s'", line);
+ }
+ if (handle_revision_arg(sb.buf, revs, 0, 1))
+ die("bad revision '%s'", sb.buf);
}
+ if (seen_dashdash)
+ read_pathspec_from_stdin(revs, &sb, prune);
+ strbuf_release(&sb);
}
static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token what)
@@ -1003,7 +1032,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
if (!strcmp(arg, "--all") || !strcmp(arg, "--branches") ||
!strcmp(arg, "--tags") || !strcmp(arg, "--remotes") ||
!strcmp(arg, "--reflog") || !strcmp(arg, "--not") ||
- !strcmp(arg, "--no-walk") || !strcmp(arg, "--do-walk"))
+ !strcmp(arg, "--no-walk") || !strcmp(arg, "--do-walk") ||
+ !strcmp(arg, "--bisect"))
{
unkv[(*unkc)++] = arg;
return 1;
@@ -1061,7 +1091,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->simplify_by_decoration = 1;
revs->limited = 1;
revs->prune = 1;
- load_ref_decorations();
+ load_ref_decorations(DECORATE_SHORT_REFS);
} else if (!strcmp(arg, "--date-order")) {
revs->lifo = 0;
revs->topo_order = 1;
@@ -1086,6 +1116,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->show_all = 1;
} else if (!strcmp(arg, "--remove-empty")) {
revs->remove_empty_trees = 1;
+ } else if (!strcmp(arg, "--merges")) {
+ revs->merges_only = 1;
} else if (!strcmp(arg, "--no-merges")) {
revs->no_merges = 1;
} else if (!strcmp(arg, "--boundary")) {
@@ -1129,13 +1161,22 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->verbose_header = 1;
} else if (!strcmp(arg, "--pretty")) {
revs->verbose_header = 1;
+ revs->pretty_given = 1;
get_commit_format(arg+8, revs);
} else if (!prefixcmp(arg, "--pretty=") || !prefixcmp(arg, "--format=")) {
revs->verbose_header = 1;
+ revs->pretty_given = 1;
get_commit_format(arg+9, revs);
+ } else if (!strcmp(arg, "--show-notes")) {
+ revs->show_notes = 1;
+ revs->show_notes_given = 1;
+ } else if (!strcmp(arg, "--no-notes")) {
+ revs->show_notes = 0;
+ revs->show_notes_given = 1;
} else if (!strcmp(arg, "--oneline")) {
revs->verbose_header = 1;
get_commit_format("oneline", revs);
+ revs->pretty_given = 1;
revs->abbrev_commit = 1;
} else if (!strcmp(arg, "--graph")) {
revs->topo_order = 1;
@@ -1166,8 +1207,10 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->simplify_history = 0;
} 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);
+ revs->date_mode_explicit = 1;
} else if (!strcmp(arg, "--log-size")) {
revs->show_log_size = 1;
}
@@ -1223,6 +1266,44 @@ 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)
+{
+ return for_each_ref_in("refs/bisect/bad", fn, cb_data);
+}
+
+static int for_each_good_bisect_ref(each_ref_fn fn, void *cb_data)
+{
+ return for_each_ref_in("refs/bisect/good", fn, cb_data);
+}
+
+static void append_prune_data(const char ***prune_data, const char **av)
+{
+ const char **prune = *prune_data;
+ int prune_nr;
+ int prune_alloc;
+
+ if (!prune) {
+ *prune_data = av;
+ return;
+ }
+
+ /* count existing ones */
+ for (prune_nr = 0; prune[prune_nr]; prune_nr++)
+ ;
+ prune_alloc = prune_nr; /* not really, but we do not know */
+
+ while (*av) {
+ ALLOC_GROW(prune, prune_nr+1, prune_alloc);
+ prune[prune_nr++] = *av;
+ av++;
+ }
+ if (prune) {
+ ALLOC_GROW(prune, prune_nr+1, prune_alloc);
+ prune[prune_nr] = NULL;
+ }
+ *prune_data = prune;
+}
+
/*
* Parse revision information, filling in the "rev_info" structure,
* and removing the used arguments from the argument list.
@@ -1232,7 +1313,8 @@ void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
*/
int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def)
{
- int i, flags, left, seen_dashdash;
+ int i, flags, left, seen_dashdash, read_from_stdin;
+ const char **prune_data = NULL;
/* First, search for "--" */
seen_dashdash = 0;
@@ -1243,13 +1325,14 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
argv[i] = NULL;
argc = i;
if (argv[i + 1])
- revs->prune_data = get_pathspec(revs->prefix, argv + i + 1);
+ prune_data = argv + i + 1;
seen_dashdash = 1;
break;
}
/* Second, deal with arguments and options */
flags = 0;
+ read_from_stdin = 0;
for (left = i = 1; i < argc; i++) {
const char *arg = argv[i];
if (*arg == '-') {
@@ -1264,6 +1347,12 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
handle_refs(revs, flags, for_each_branch_ref);
continue;
}
+ if (!strcmp(arg, "--bisect")) {
+ handle_refs(revs, flags, for_each_bad_bisect_ref);
+ handle_refs(revs, flags ^ UNINTERESTING, for_each_good_bisect_ref);
+ revs->bisect = 1;
+ continue;
+ }
if (!strcmp(arg, "--tags")) {
handle_refs(revs, flags, for_each_tag_ref);
continue;
@@ -1288,6 +1377,16 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
revs->no_walk = 0;
continue;
}
+ if (!strcmp(arg, "--stdin")) {
+ if (revs->disable_stdin) {
+ argv[left++] = arg;
+ continue;
+ }
+ if (read_from_stdin++)
+ die("--stdin given twice?");
+ read_revisions_from_stdin(revs, &prune_data);
+ continue;
+ }
opts = handle_revision_opt(revs, argc - i, argv + i, &left, argv);
if (opts > 0) {
@@ -1313,12 +1412,14 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
for (j = i; j < argc; j++)
verify_filename(revs->prefix, argv[j]);
- revs->prune_data = get_pathspec(revs->prefix,
- argv + i);
+ append_prune_data(&prune_data, argv + i);
break;
}
}
+ if (prune_data)
+ revs->prune_data = get_pathspec(revs->prefix, prune_data);
+
if (revs->def == NULL)
revs->def = def;
if (revs->show_merge)
@@ -1671,7 +1772,7 @@ static inline int want_ancestry(struct rev_info *revs)
return (revs->rewrite_parents || revs->children.name);
}
-enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
+enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit)
{
if (commit->object.flags & SHOWN)
return commit_ignore;
@@ -1685,6 +1786,8 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
return commit_ignore;
if (revs->no_merges && commit->parents && commit->parents->next)
return commit_ignore;
+ if (revs->merges_only && !(commit->parents && commit->parents->next))
+ return commit_ignore;
if (!commit_match(commit, revs))
return commit_ignore;
if (revs->prune && revs->dense) {
@@ -1697,12 +1800,23 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
if (!commit->parents || !commit->parents->next)
return commit_ignore;
}
- if (want_ancestry(revs) && rewrite_parents(revs, commit) < 0)
- return commit_error;
}
return commit_show;
}
+enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
+{
+ enum commit_action action = get_commit_action(revs, commit);
+
+ if (action == commit_show &&
+ !revs->show_all &&
+ revs->prune && revs->dense && want_ancestry(revs)) {
+ if (rewrite_parents(revs, commit) < 0)
+ return commit_error;
+ }
+ return action;
+}
+
static struct commit *get_revision_1(struct rev_info *revs)
{
if (!revs->commits)
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-12 00:19:50 +0000