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-rw-r--r--rev-list.c397
1 files changed, 43 insertions, 354 deletions
diff --git a/rev-list.c b/rev-list.c
index 67d2a48..d1c52a6 100644
--- a/rev-list.c
+++ b/rev-list.c
@@ -6,9 +6,10 @@
#include "blob.h"
#include "epoch.h"
#include "diff.h"
+#include "revision.h"
+
+/* bits #0 and #1 in revision.h */
-#define SEEN (1u << 0)
-#define INTERESTING (1u << 1)
#define COUNTED (1u << 2)
#define SHOWN (1u << 3)
#define TREECHANGE (1u << 4)
@@ -38,60 +39,20 @@ static const char rev_list_usage[] =
" --bisect"
;
-static int dense = 1;
+struct rev_info revs;
+
static int unpacked = 0;
static int bisect_list = 0;
-static int tag_objects = 0;
-static int tree_objects = 0;
-static int blob_objects = 0;
-static int edge_hint = 0;
static int verbose_header = 0;
static int abbrev = DEFAULT_ABBREV;
static int show_parents = 0;
static int hdr_termination = 0;
static const char *commit_prefix = "";
-static unsigned long max_age = -1;
-static unsigned long min_age = -1;
-static int max_count = -1;
static enum cmit_fmt commit_format = CMIT_FMT_RAW;
static int merge_order = 0;
static int show_breaks = 0;
static int stop_traversal = 0;
-static int topo_order = 0;
-static int lifo = 1;
static int no_merges = 0;
-static const char **paths = NULL;
-static int remove_empty_trees = 0;
-
-struct name_path {
- struct name_path *up;
- int elem_len;
- const char *elem;
-};
-
-static char *path_name(struct name_path *path, const char *name)
-{
- struct name_path *p;
- char *n, *m;
- int nlen = strlen(name);
- int len = nlen + 1;
-
- for (p = path; p; p = p->up) {
- if (p->elem_len)
- len += p->elem_len + 1;
- }
- n = xmalloc(len);
- m = n + len - (nlen + 1);
- strcpy(m, name);
- for (p = path; p; p = p->up) {
- if (p->elem_len) {
- m -= p->elem_len + 1;
- memcpy(m, p->elem, p->elem_len);
- m[p->elem_len] = '/';
- }
- }
- return n;
-}
static void show_commit(struct commit *commit)
{
@@ -168,15 +129,15 @@ static int filter_commit(struct commit * commit)
return STOP;
if (commit->object.flags & (UNINTERESTING|SHOWN))
return CONTINUE;
- if (min_age != -1 && (commit->date > min_age))
+ if (revs.min_age != -1 && (commit->date > revs.min_age))
return CONTINUE;
- if (max_age != -1 && (commit->date < max_age)) {
+ if (revs.max_age != -1 && (commit->date < revs.max_age)) {
stop_traversal=1;
return CONTINUE;
}
if (no_merges && (commit->parents && commit->parents->next))
return CONTINUE;
- if (paths && dense) {
+ if (revs.paths && revs.dense) {
if (!(commit->object.flags & TREECHANGE))
return CONTINUE;
rewrite_parents(commit);
@@ -196,7 +157,7 @@ static int process_commit(struct commit * commit)
return CONTINUE;
}
- if (max_count != -1 && !max_count--)
+ if (revs.max_count != -1 && !revs.max_count--)
return STOP;
show_commit(commit);
@@ -204,19 +165,6 @@ static int process_commit(struct commit * commit)
return CONTINUE;
}
-static struct object_list **add_object(struct object *obj,
- struct object_list **p,
- struct name_path *path,
- const char *name)
-{
- struct object_list *entry = xmalloc(sizeof(*entry));
- entry->item = obj;
- entry->next = *p;
- entry->name = path_name(path, name);
- *p = entry;
- return &entry->next;
-}
-
static struct object_list **process_blob(struct blob *blob,
struct object_list **p,
struct name_path *path,
@@ -224,7 +172,7 @@ static struct object_list **process_blob(struct blob *blob,
{
struct object *obj = &blob->object;
- if (!blob_objects)
+ if (!revs.blob_objects)
return p;
if (obj->flags & (UNINTERESTING | SEEN))
return p;
@@ -241,7 +189,7 @@ static struct object_list **process_tree(struct tree *tree,
struct tree_entry_list *entry;
struct name_path me;
- if (!tree_objects)
+ if (!revs.tree_objects)
return p;
if (obj->flags & (UNINTERESTING | SEEN))
return p;
@@ -314,75 +262,6 @@ static void show_commit_list(struct commit_list *list)
}
}
-static void mark_blob_uninteresting(struct blob *blob)
-{
- if (!blob_objects)
- return;
- if (blob->object.flags & UNINTERESTING)
- return;
- blob->object.flags |= UNINTERESTING;
-}
-
-static void mark_tree_uninteresting(struct tree *tree)
-{
- struct object *obj = &tree->object;
- struct tree_entry_list *entry;
-
- if (!tree_objects)
- return;
- if (obj->flags & UNINTERESTING)
- return;
- obj->flags |= UNINTERESTING;
- if (!has_sha1_file(obj->sha1))
- return;
- if (parse_tree(tree) < 0)
- die("bad tree %s", sha1_to_hex(obj->sha1));
- entry = tree->entries;
- tree->entries = NULL;
- while (entry) {
- struct tree_entry_list *next = entry->next;
- if (entry->directory)
- mark_tree_uninteresting(entry->item.tree);
- else
- mark_blob_uninteresting(entry->item.blob);
- free(entry);
- entry = next;
- }
-}
-
-static void mark_parents_uninteresting(struct commit *commit)
-{
- struct commit_list *parents = commit->parents;
-
- while (parents) {
- struct commit *commit = parents->item;
- commit->object.flags |= UNINTERESTING;
-
- /*
- * Normally we haven't parsed the parent
- * yet, so we won't have a parent of a parent
- * here. However, it may turn out that we've
- * reached this commit some other way (where it
- * wasn't uninteresting), in which case we need
- * to mark its parents recursively too..
- */
- if (commit->parents)
- mark_parents_uninteresting(commit);
-
- /*
- * A missing commit is ok iff its parent is marked
- * uninteresting.
- *
- * We just mark such a thing parsed, so that when
- * it is popped next time around, we won't be trying
- * to parse it and get an error.
- */
- if (!has_sha1_file(commit->object.sha1))
- commit->object.parsed = 1;
- parents = parents->next;
- }
-}
-
static int everybody_uninteresting(struct commit_list *orig)
{
struct commit_list *list = orig;
@@ -413,7 +292,7 @@ static int count_distance(struct commit_list *entry)
if (commit->object.flags & (UNINTERESTING | COUNTED))
break;
- if (!paths || (commit->object.flags & TREECHANGE))
+ if (!revs.paths || (commit->object.flags & TREECHANGE))
nr++;
commit->object.flags |= COUNTED;
p = commit->parents;
@@ -447,7 +326,7 @@ static struct commit_list *find_bisection(struct commit_list *list)
nr = 0;
p = list;
while (p) {
- if (!paths || (p->item->object.flags & TREECHANGE))
+ if (!revs.paths || (p->item->object.flags & TREECHANGE))
nr++;
p = p->next;
}
@@ -457,7 +336,7 @@ static struct commit_list *find_bisection(struct commit_list *list)
for (p = list; p; p = p->next) {
int distance;
- if (paths && !(p->item->object.flags & TREECHANGE))
+ if (revs.paths && !(p->item->object.flags & TREECHANGE))
continue;
distance = count_distance(p);
@@ -483,7 +362,7 @@ static void mark_edge_parents_uninteresting(struct commit *commit)
if (!(parent->object.flags & UNINTERESTING))
continue;
mark_tree_uninteresting(parent->tree);
- if (edge_hint && !(parent->object.flags & SHOWN)) {
+ if (revs.edge_hint && !(parent->object.flags & SHOWN)) {
parent->object.flags |= SHOWN;
printf("-%s\n", sha1_to_hex(parent->object.sha1));
}
@@ -613,7 +492,7 @@ static void try_to_simplify_commit(struct commit *commit)
return;
case TREE_NEW:
- if (remove_empty_trees && same_tree_as_empty(p->tree)) {
+ if (revs.remove_empty_trees && same_tree_as_empty(p->tree)) {
*pp = parent->next;
continue;
}
@@ -664,7 +543,7 @@ static void add_parents_to_list(struct commit *commit, struct commit_list **list
* simplify the commit history and find the parent
* that has no differences in the path set if one exists.
*/
- if (paths)
+ if (revs.paths)
try_to_simplify_commit(commit);
parent = commit->parents;
@@ -693,7 +572,7 @@ static struct commit_list *limit_list(struct commit_list *list)
list = list->next;
free(entry);
- if (max_age != -1 && (commit->date < max_age))
+ if (revs.max_age != -1 && (commit->date < revs.max_age))
obj->flags |= UNINTERESTING;
if (unpacked && has_sha1_pack(obj->sha1))
obj->flags |= UNINTERESTING;
@@ -704,155 +583,40 @@ static struct commit_list *limit_list(struct commit_list *list)
break;
continue;
}
- if (min_age != -1 && (commit->date > min_age))
+ if (revs.min_age != -1 && (commit->date > revs.min_age))
continue;
p = &commit_list_insert(commit, p)->next;
}
- if (tree_objects)
+ if (revs.tree_objects)
mark_edges_uninteresting(newlist);
if (bisect_list)
newlist = find_bisection(newlist);
return newlist;
}
-static void add_pending_object(struct object *obj, const char *name)
-{
- add_object(obj, &pending_objects, NULL, name);
-}
-
-static struct commit *get_commit_reference(const char *name, const unsigned char *sha1, unsigned int flags)
-{
- struct object *object;
-
- object = parse_object(sha1);
- if (!object)
- die("bad object %s", name);
-
- /*
- * Tag object? Look what it points to..
- */
- while (object->type == tag_type) {
- struct tag *tag = (struct tag *) object;
- object->flags |= flags;
- if (tag_objects && !(object->flags & UNINTERESTING))
- add_pending_object(object, tag->tag);
- object = parse_object(tag->tagged->sha1);
- if (!object)
- die("bad object %s", sha1_to_hex(tag->tagged->sha1));
- }
-
- /*
- * Commit object? Just return it, we'll do all the complex
- * reachability crud.
- */
- if (object->type == commit_type) {
- struct commit *commit = (struct commit *)object;
- object->flags |= flags;
- if (parse_commit(commit) < 0)
- die("unable to parse commit %s", name);
- if (flags & UNINTERESTING)
- mark_parents_uninteresting(commit);
- return commit;
- }
-
- /*
- * Tree object? Either mark it uniniteresting, or add it
- * to the list of objects to look at later..
- */
- if (object->type == tree_type) {
- struct tree *tree = (struct tree *)object;
- if (!tree_objects)
- return NULL;
- if (flags & UNINTERESTING) {
- mark_tree_uninteresting(tree);
- return NULL;
- }
- add_pending_object(object, "");
- return NULL;
- }
-
- /*
- * Blob object? You know the drill by now..
- */
- if (object->type == blob_type) {
- struct blob *blob = (struct blob *)object;
- if (!blob_objects)
- return NULL;
- if (flags & UNINTERESTING) {
- mark_blob_uninteresting(blob);
- return NULL;
- }
- add_pending_object(object, "");
- return NULL;
- }
- die("%s is unknown object", name);
-}
-
-static void handle_one_commit(struct commit *com, struct commit_list **lst)
-{
- if (!com || com->object.flags & SEEN)
- return;
- com->object.flags |= SEEN;
- commit_list_insert(com, lst);
-}
-
-/* for_each_ref() callback does not allow user data -- Yuck. */
-static struct commit_list **global_lst;
-
-static int include_one_commit(const char *path, const unsigned char *sha1)
-{
- struct commit *com = get_commit_reference(path, sha1, 0);
- handle_one_commit(com, global_lst);
- return 0;
-}
-
-static void handle_all(struct commit_list **lst)
-{
- global_lst = lst;
- for_each_ref(include_one_commit);
- global_lst = NULL;
-}
-
int main(int argc, const char **argv)
{
- const char *prefix = setup_git_directory();
- struct commit_list *list = NULL;
+ struct commit_list *list;
int i, limited = 0;
+ argc = setup_revisions(argc, argv, &revs);
+
for (i = 1 ; i < argc; i++) {
- int flags;
const char *arg = argv[i];
- char *dotdot;
- struct commit *commit;
- unsigned char sha1[20];
/* accept -<digit>, like traditilnal "head" */
if ((*arg == '-') && isdigit(arg[1])) {
- max_count = atoi(arg + 1);
+ revs.max_count = atoi(arg + 1);
continue;
}
if (!strcmp(arg, "-n")) {
if (++i >= argc)
die("-n requires an argument");
- max_count = atoi(argv[i]);
+ revs.max_count = atoi(argv[i]);
continue;
}
if (!strncmp(arg,"-n",2)) {
- max_count = atoi(arg + 2);
- continue;
- }
- if (!strncmp(arg, "--max-count=", 12)) {
- max_count = atoi(arg + 12);
- continue;
- }
- if (!strncmp(arg, "--max-age=", 10)) {
- max_age = atoi(arg + 10);
- limited = 1;
- continue;
- }
- if (!strncmp(arg, "--min-age=", 10)) {
- min_age = atoi(arg + 10);
- limited = 1;
+ revs.max_count = atoi(arg + 2);
continue;
}
if (!strcmp(arg, "--header")) {
@@ -893,23 +657,6 @@ int main(int argc, const char **argv)
bisect_list = 1;
continue;
}
- if (!strcmp(arg, "--all")) {
- handle_all(&list);
- continue;
- }
- if (!strcmp(arg, "--objects")) {
- tag_objects = 1;
- tree_objects = 1;
- blob_objects = 1;
- continue;
- }
- if (!strcmp(arg, "--objects-edge")) {
- tag_objects = 1;
- tree_objects = 1;
- blob_objects = 1;
- edge_hint = 1;
- continue;
- }
if (!strcmp(arg, "--unpacked")) {
unpacked = 1;
limited = 1;
@@ -923,100 +670,42 @@ int main(int argc, const char **argv)
show_breaks = 1;
continue;
}
- if (!strcmp(arg, "--topo-order")) {
- topo_order = 1;
- lifo = 1;
- limited = 1;
- continue;
- }
- if (!strcmp(arg, "--date-order")) {
- topo_order = 1;
- lifo = 0;
- limited = 1;
- continue;
- }
- if (!strcmp(arg, "--dense")) {
- dense = 1;
- continue;
- }
- if (!strcmp(arg, "--sparse")) {
- dense = 0;
- continue;
- }
- if (!strcmp(arg, "--remove-empty")) {
- remove_empty_trees = 1;
- continue;
- }
- if (!strcmp(arg, "--")) {
- i++;
- break;
- }
+ usage(rev_list_usage);
- if (show_breaks && !merge_order)
- usage(rev_list_usage);
-
- flags = 0;
- dotdot = strstr(arg, "..");
- if (dotdot) {
- unsigned char from_sha1[20];
- char *next = dotdot + 2;
- *dotdot = 0;
- if (!*next)
- next = "HEAD";
- if (!get_sha1(arg, from_sha1) && !get_sha1(next, sha1)) {
- struct commit *exclude;
- struct commit *include;
-
- exclude = get_commit_reference(arg, from_sha1, UNINTERESTING);
- include = get_commit_reference(next, sha1, 0);
- if (!exclude || !include)
- die("Invalid revision range %s..%s", arg, next);
- limited = 1;
- handle_one_commit(exclude, &list);
- handle_one_commit(include, &list);
- continue;
- }
- *dotdot = '.';
- }
- if (*arg == '^') {
- flags = UNINTERESTING;
- arg++;
- limited = 1;
- }
- if (get_sha1(arg, sha1) < 0) {
- struct stat st;
- if (lstat(arg, &st) < 0)
- die("'%s': %s", arg, strerror(errno));
- break;
- }
- commit = get_commit_reference(arg, sha1, flags);
- handle_one_commit(commit, &list);
}
+ list = revs.commits;
+ if (list && list->next)
+ limited = 1;
+
+ if (revs.topo_order)
+ limited = 1;
+
if (!list &&
- (!(tag_objects||tree_objects||blob_objects) && !pending_objects))
+ (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) && !revs.pending_objects))
usage(rev_list_usage);
- paths = get_pathspec(prefix, argv + i);
- if (paths) {
+ if (revs.paths) {
limited = 1;
- diff_tree_setup_paths(paths);
+ diff_tree_setup_paths(revs.paths);
}
+ if (revs.max_age || revs.min_age)
+ limited = 1;
save_commit_buffer = verbose_header;
track_object_refs = 0;
if (!merge_order) {
sort_by_date(&list);
- if (list && !limited && max_count == 1 &&
- !tag_objects && !tree_objects && !blob_objects) {
+ if (list && !limited && revs.max_count == 1 &&
+ !revs.tag_objects && !revs.tree_objects && !revs.blob_objects) {
show_commit(list->item);
return 0;
}
if (limited)
list = limit_list(list);
- if (topo_order)
- sort_in_topological_order(&list, lifo);
+ if (revs.topo_order)
+ sort_in_topological_order(&list, revs.lifo);
show_commit_list(list);
} else {
#ifndef NO_OPENSSL
generated by cgit v0.10.2-6-g49f6 at 2024-04-19 05:11:52 (GMT)