git-unpack-objects$X git-update-server-info$X \
git-upload-pack$X git-verify-pack$X \
git-symbolic-ref$X \
- git-name-rev$X git-pack-redundant$X git-var$X \
+ git-pack-redundant$X git-var$X \
git-describe$X git-merge-tree$X git-blame$X git-imap-send$X
BUILT_INS = git-log$X git-whatchanged$X git-show$X git-update-ref$X \
git-apply$X git-show-branch$X git-diff-files$X git-update-index$X \
git-diff-index$X git-diff-stages$X git-diff-tree$X git-cat-file$X \
git-fmt-merge-msg$X git-prune$X git-mv$X git-prune-packed$X \
- git-repo-config$X
+ git-repo-config$X git-name-rev$X
# what 'all' will build and 'install' will install, in gitexecdir
ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)
builtin-diff-index.o builtin-diff-stages.o builtin-diff-tree.o \
builtin-cat-file.o builtin-mailsplit.o builtin-stripspace.o \
builtin-update-ref.o builtin-fmt-merge-msg.o builtin-prune.o \
- builtin-mv.o builtin-prune-packed.o builtin-repo-config.o
+ builtin-mv.o builtin-prune-packed.o builtin-repo-config.o \
+ builtin-name-rev.o
GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
LIBS = $(GITLIBS) -lz
--- /dev/null
+#include <stdlib.h>
+#include "builtin.h"
+#include "cache.h"
+#include "commit.h"
+#include "tag.h"
+#include "refs.h"
+
+static const char name_rev_usage[] =
+ "git-name-rev [--tags] ( --all | --stdin | committish [committish...] )\n";
+
+typedef struct rev_name {
+ const char *tip_name;
+ int merge_traversals;
+ int generation;
+} rev_name;
+
+static long cutoff = LONG_MAX;
+
+static void name_rev(struct commit *commit,
+ const char *tip_name, int merge_traversals, int generation,
+ int deref)
+{
+ struct rev_name *name = (struct rev_name *)commit->util;
+ struct commit_list *parents;
+ int parent_number = 1;
+
+ if (!commit->object.parsed)
+ parse_commit(commit);
+
+ if (commit->date < cutoff)
+ return;
+
+ if (deref) {
+ char *new_name = xmalloc(strlen(tip_name)+3);
+ strcpy(new_name, tip_name);
+ strcat(new_name, "^0");
+ tip_name = new_name;
+
+ if (generation)
+ die("generation: %d, but deref?", generation);
+ }
+
+ if (name == NULL) {
+ name = xmalloc(sizeof(rev_name));
+ commit->util = name;
+ goto copy_data;
+ } else if (name->merge_traversals > merge_traversals ||
+ (name->merge_traversals == merge_traversals &&
+ name->generation > generation)) {
+copy_data:
+ name->tip_name = tip_name;
+ name->merge_traversals = merge_traversals;
+ name->generation = generation;
+ } else
+ return;
+
+ for (parents = commit->parents;
+ parents;
+ parents = parents->next, parent_number++) {
+ if (parent_number > 1) {
+ char *new_name = xmalloc(strlen(tip_name)+8);
+
+ if (generation > 0)
+ sprintf(new_name, "%s~%d^%d", tip_name,
+ generation, parent_number);
+ else
+ sprintf(new_name, "%s^%d", tip_name, parent_number);
+
+ name_rev(parents->item, new_name,
+ merge_traversals + 1 , 0, 0);
+ } else {
+ name_rev(parents->item, tip_name, merge_traversals,
+ generation + 1, 0);
+ }
+ }
+}
+
+static int tags_only = 0;
+
+static int name_ref(const char *path, const unsigned char *sha1)
+{
+ struct object *o = parse_object(sha1);
+ int deref = 0;
+
+ if (tags_only && strncmp(path, "refs/tags/", 10))
+ return 0;
+
+ while (o && o->type == OBJ_TAG) {
+ struct tag *t = (struct tag *) o;
+ if (!t->tagged)
+ break; /* broken repository */
+ o = parse_object(t->tagged->sha1);
+ deref = 1;
+ }
+ if (o && o->type == OBJ_COMMIT) {
+ struct commit *commit = (struct commit *)o;
+
+ if (!strncmp(path, "refs/heads/", 11))
+ path = path + 11;
+ else if (!strncmp(path, "refs/", 5))
+ path = path + 5;
+
+ name_rev(commit, strdup(path), 0, 0, deref);
+ }
+ return 0;
+}
+
+/* returns a static buffer */
+static const char* get_rev_name(struct object *o)
+{
+ static char buffer[1024];
+ struct rev_name *n;
+ struct commit *c;
+
+ if (o->type != OBJ_COMMIT)
+ return "undefined";
+ c = (struct commit *) o;
+ n = c->util;
+ if (!n)
+ return "undefined";
+
+ if (!n->generation)
+ return n->tip_name;
+
+ snprintf(buffer, sizeof(buffer), "%s~%d", n->tip_name, n->generation);
+
+ return buffer;
+}
+
+int cmd_name_rev(int argc, const char **argv, const char *prefix)
+{
+ struct object_array revs = { 0, 0, NULL };
+ int as_is = 0, all = 0, transform_stdin = 0;
+
+ git_config(git_default_config);
+
+ if (argc < 2)
+ usage(name_rev_usage);
+
+ for (--argc, ++argv; argc; --argc, ++argv) {
+ unsigned char sha1[20];
+ struct object *o;
+ struct commit *commit;
+
+ if (!as_is && (*argv)[0] == '-') {
+ if (!strcmp(*argv, "--")) {
+ as_is = 1;
+ continue;
+ } else if (!strcmp(*argv, "--tags")) {
+ tags_only = 1;
+ continue;
+ } else if (!strcmp(*argv, "--all")) {
+ if (argc > 1)
+ die("Specify either a list, or --all, not both!");
+ all = 1;
+ cutoff = 0;
+ continue;
+ } else if (!strcmp(*argv, "--stdin")) {
+ if (argc > 1)
+ die("Specify either a list, or --stdin, not both!");
+ transform_stdin = 1;
+ cutoff = 0;
+ continue;
+ }
+ usage(name_rev_usage);
+ }
+
+ if (get_sha1(*argv, sha1)) {
+ fprintf(stderr, "Could not get sha1 for %s. Skipping.\n",
+ *argv);
+ continue;
+ }
+
+ o = deref_tag(parse_object(sha1), *argv, 0);
+ if (!o || o->type != OBJ_COMMIT) {
+ fprintf(stderr, "Could not get commit for %s. Skipping.\n",
+ *argv);
+ continue;
+ }
+
+ commit = (struct commit *)o;
+
+ if (cutoff > commit->date)
+ cutoff = commit->date;
+
+ add_object_array((struct object *)commit, *argv, &revs);
+ }
+
+ for_each_ref(name_ref);
+
+ if (transform_stdin) {
+ char buffer[2048];
+ char *p, *p_start;
+
+ while (!feof(stdin)) {
+ int forty = 0;
+ p = fgets(buffer, sizeof(buffer), stdin);
+ if (!p)
+ break;
+
+ for (p_start = p; *p; p++) {
+#define ishex(x) (isdigit((x)) || ((x) >= 'a' && (x) <= 'f'))
+ if (!ishex(*p))
+ forty = 0;
+ else if (++forty == 40 &&
+ !ishex(*(p+1))) {
+ unsigned char sha1[40];
+ const char *name = "undefined";
+ char c = *(p+1);
+
+ forty = 0;
+
+ *(p+1) = 0;
+ if (!get_sha1(p - 39, sha1)) {
+ struct object *o =
+ lookup_object(sha1);
+ if (o)
+ name = get_rev_name(o);
+ }
+ *(p+1) = c;
+
+ if (!strcmp(name, "undefined"))
+ continue;
+
+ fwrite(p_start, p - p_start + 1, 1,
+ stdout);
+ printf(" (%s)", name);
+ p_start = p + 1;
+ }
+ }
+
+ /* flush */
+ if (p_start != p)
+ fwrite(p_start, p - p_start, 1, stdout);
+ }
+ } else if (all) {
+ int i, max;
+
+ max = get_max_object_index();
+ for (i = 0; i < max; i++) {
+ struct object * obj = get_indexed_object(i);
+ if (!obj)
+ continue;
+ printf("%s %s\n", sha1_to_hex(obj->sha1), get_rev_name(obj));
+ }
+ } else {
+ int i;
+ for (i = 0; i < revs.nr; i++)
+ printf("%s %s\n",
+ revs.objects[i].name,
+ get_rev_name(revs.objects[i].item));
+ }
+
+ return 0;
+}
+
extern int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix);
extern int cmd_mv(int argc, const char **argv, const char *prefix);
extern int cmd_repo_config(int argc, const char **argv, const char *prefix);
+extern int cmd_name_rev(int argc, const char **argv, const char *prefix);
extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
extern int write_tree(unsigned char *sha1, int missing_ok, const char *prefix);
{ "mv", cmd_mv, NEEDS_PREFIX },
{ "prune-packed", cmd_prune_packed, NEEDS_PREFIX },
{ "repo-config", cmd_repo_config },
+ { "name-rev", cmd_name_rev, NEEDS_PREFIX },
};
int i;
+++ /dev/null
-#include <stdlib.h>
-#include "cache.h"
-#include "commit.h"
-#include "tag.h"
-#include "refs.h"
-
-static const char name_rev_usage[] =
- "git-name-rev [--tags] ( --all | --stdin | committish [committish...] )\n";
-
-typedef struct rev_name {
- const char *tip_name;
- int merge_traversals;
- int generation;
-} rev_name;
-
-static long cutoff = LONG_MAX;
-
-static void name_rev(struct commit *commit,
- const char *tip_name, int merge_traversals, int generation,
- int deref)
-{
- struct rev_name *name = (struct rev_name *)commit->util;
- struct commit_list *parents;
- int parent_number = 1;
-
- if (!commit->object.parsed)
- parse_commit(commit);
-
- if (commit->date < cutoff)
- return;
-
- if (deref) {
- char *new_name = xmalloc(strlen(tip_name)+3);
- strcpy(new_name, tip_name);
- strcat(new_name, "^0");
- tip_name = new_name;
-
- if (generation)
- die("generation: %d, but deref?", generation);
- }
-
- if (name == NULL) {
- name = xmalloc(sizeof(rev_name));
- commit->util = name;
- goto copy_data;
- } else if (name->merge_traversals > merge_traversals ||
- (name->merge_traversals == merge_traversals &&
- name->generation > generation)) {
-copy_data:
- name->tip_name = tip_name;
- name->merge_traversals = merge_traversals;
- name->generation = generation;
- } else
- return;
-
- for (parents = commit->parents;
- parents;
- parents = parents->next, parent_number++) {
- if (parent_number > 1) {
- char *new_name = xmalloc(strlen(tip_name)+8);
-
- if (generation > 0)
- sprintf(new_name, "%s~%d^%d", tip_name,
- generation, parent_number);
- else
- sprintf(new_name, "%s^%d", tip_name, parent_number);
-
- name_rev(parents->item, new_name,
- merge_traversals + 1 , 0, 0);
- } else {
- name_rev(parents->item, tip_name, merge_traversals,
- generation + 1, 0);
- }
- }
-}
-
-static int tags_only = 0;
-
-static int name_ref(const char *path, const unsigned char *sha1)
-{
- struct object *o = parse_object(sha1);
- int deref = 0;
-
- if (tags_only && strncmp(path, "refs/tags/", 10))
- return 0;
-
- while (o && o->type == OBJ_TAG) {
- struct tag *t = (struct tag *) o;
- if (!t->tagged)
- break; /* broken repository */
- o = parse_object(t->tagged->sha1);
- deref = 1;
- }
- if (o && o->type == OBJ_COMMIT) {
- struct commit *commit = (struct commit *)o;
-
- if (!strncmp(path, "refs/heads/", 11))
- path = path + 11;
- else if (!strncmp(path, "refs/", 5))
- path = path + 5;
-
- name_rev(commit, strdup(path), 0, 0, deref);
- }
- return 0;
-}
-
-/* returns a static buffer */
-static const char* get_rev_name(struct object *o)
-{
- static char buffer[1024];
- struct rev_name *n;
- struct commit *c;
-
- if (o->type != OBJ_COMMIT)
- return "undefined";
- c = (struct commit *) o;
- n = c->util;
- if (!n)
- return "undefined";
-
- if (!n->generation)
- return n->tip_name;
-
- snprintf(buffer, sizeof(buffer), "%s~%d", n->tip_name, n->generation);
-
- return buffer;
-}
-
-int main(int argc, char **argv)
-{
- struct object_array revs = { 0, 0, NULL };
- int as_is = 0, all = 0, transform_stdin = 0;
-
- setup_git_directory();
- git_config(git_default_config);
-
- if (argc < 2)
- usage(name_rev_usage);
-
- for (--argc, ++argv; argc; --argc, ++argv) {
- unsigned char sha1[20];
- struct object *o;
- struct commit *commit;
-
- if (!as_is && (*argv)[0] == '-') {
- if (!strcmp(*argv, "--")) {
- as_is = 1;
- continue;
- } else if (!strcmp(*argv, "--tags")) {
- tags_only = 1;
- continue;
- } else if (!strcmp(*argv, "--all")) {
- if (argc > 1)
- die("Specify either a list, or --all, not both!");
- all = 1;
- cutoff = 0;
- continue;
- } else if (!strcmp(*argv, "--stdin")) {
- if (argc > 1)
- die("Specify either a list, or --stdin, not both!");
- transform_stdin = 1;
- cutoff = 0;
- continue;
- }
- usage(name_rev_usage);
- }
-
- if (get_sha1(*argv, sha1)) {
- fprintf(stderr, "Could not get sha1 for %s. Skipping.\n",
- *argv);
- continue;
- }
-
- o = deref_tag(parse_object(sha1), *argv, 0);
- if (!o || o->type != OBJ_COMMIT) {
- fprintf(stderr, "Could not get commit for %s. Skipping.\n",
- *argv);
- continue;
- }
-
- commit = (struct commit *)o;
-
- if (cutoff > commit->date)
- cutoff = commit->date;
-
- add_object_array((struct object *)commit, *argv, &revs);
- }
-
- for_each_ref(name_ref);
-
- if (transform_stdin) {
- char buffer[2048];
- char *p, *p_start;
-
- while (!feof(stdin)) {
- int forty = 0;
- p = fgets(buffer, sizeof(buffer), stdin);
- if (!p)
- break;
-
- for (p_start = p; *p; p++) {
-#define ishex(x) (isdigit((x)) || ((x) >= 'a' && (x) <= 'f'))
- if (!ishex(*p))
- forty = 0;
- else if (++forty == 40 &&
- !ishex(*(p+1))) {
- unsigned char sha1[40];
- const char *name = "undefined";
- char c = *(p+1);
-
- forty = 0;
-
- *(p+1) = 0;
- if (!get_sha1(p - 39, sha1)) {
- struct object *o =
- lookup_object(sha1);
- if (o)
- name = get_rev_name(o);
- }
- *(p+1) = c;
-
- if (!strcmp(name, "undefined"))
- continue;
-
- fwrite(p_start, p - p_start + 1, 1,
- stdout);
- printf(" (%s)", name);
- p_start = p + 1;
- }
- }
-
- /* flush */
- if (p_start != p)
- fwrite(p_start, p - p_start, 1, stdout);
- }
- } else if (all) {
- int i, max;
-
- max = get_max_object_index();
- for (i = 0; i < max; i++) {
- struct object * obj = get_indexed_object(i);
- if (!obj)
- continue;
- printf("%s %s\n", sha1_to_hex(obj->sha1), get_rev_name(obj));
- }
- } else {
- int i;
- for (i = 0; i < revs.nr; i++)
- printf("%s %s\n",
- revs.objects[i].name,
- get_rev_name(revs.objects[i].item));
- }
-
- return 0;
-}
-