gitweb: Fix shortlog only showing HEAD revision.
[gitweb.git] / builtin-branch.c
index 560309cb154504a8d280f12e3d9d2d3d6d715d7c..d3df5a57f127f44d7ff48a419d51ca108c7c9618 100644 (file)
@@ -5,15 +5,19 @@
  * Based on git-branch.sh by Junio C Hamano.
  */
 
-#include "color.h"
 #include "cache.h"
+#include "color.h"
 #include "refs.h"
 #include "commit.h"
 #include "builtin.h"
 
 static const char builtin_branch_usage[] =
-  "git-branch (-d | -D) <branchname> | [-l] [-f] <branchname> [<start-point>] | (-m | -M) [<oldbranch>] <newbranch> | [-r | -a] [-v [--abbrev=<length>]]";
+  "git-branch [-r] (-d | -D) <branchname> | [-l] [-f] <branchname> [<start-point>] | (-m | -M) [<oldbranch>] <newbranch> | [--color | --no-color] [-r | -a] [-v [--abbrev=<length>]]";
 
+#define REF_UNKNOWN_TYPE    0x00
+#define REF_LOCAL_BRANCH    0x01
+#define REF_REMOTE_BRANCH   0x02
+#define REF_TAG             0x04
 
 static const char *head;
 static unsigned char head_sha1[20];
@@ -70,31 +74,28 @@ const char *branch_get_color(enum color_branch ix)
        return "";
 }
 
-static int in_merge_bases(const unsigned char *sha1,
-                         struct commit *rev1,
-                         struct commit *rev2)
-{
-       struct commit_list *bases, *b;
-       int ret = 0;
-
-       bases = get_merge_bases(rev1, rev2, 1);
-       for (b = bases; b; b = b->next) {
-               if (!hashcmp(sha1, b->item->object.sha1)) {
-                       ret = 1;
-                       break;
-               }
-       }
-
-       free_commit_list(bases);
-       return ret;
-}
-
-static void delete_branches(int argc, const char **argv, int force)
+static int delete_branches(int argc, const char **argv, int force, int kinds)
 {
        struct commit *rev, *head_rev = head_rev;
        unsigned char sha1[20];
-       char *name;
+       char *name = NULL;
+       const char *fmt, *remote;
        int i;
+       int ret = 0;
+
+       switch (kinds) {
+       case REF_REMOTE_BRANCH:
+               fmt = "refs/remotes/%s";
+               remote = "remote ";
+               force = 1;
+               break;
+       case REF_LOCAL_BRANCH:
+               fmt = "refs/heads/%s";
+               remote = "";
+               break;
+       default:
+               die("cannot use -a with -d");
+       }
 
        if (!force) {
                head_rev = lookup_commit_reference(head_sha1);
@@ -102,16 +103,30 @@ static void delete_branches(int argc, const char **argv, int force)
                        die("Couldn't look up commit object for HEAD");
        }
        for (i = 0; i < argc; i++) {
-               if (!strcmp(head, argv[i]))
-                       die("Cannot delete the branch you are currently on.");
+               if (kinds == REF_LOCAL_BRANCH && !strcmp(head, argv[i])) {
+                       error("Cannot delete the branch '%s' "
+                               "which you are currently on.", argv[i]);
+                       ret = 1;
+                       continue;
+               }
 
-               name = xstrdup(mkpath("refs/heads/%s", argv[i]));
-               if (!resolve_ref(name, sha1, 1, NULL))
-                       die("Branch '%s' not found.", argv[i]);
+               if (name)
+                       free(name);
+
+               name = xstrdup(mkpath(fmt, argv[i]));
+               if (!resolve_ref(name, sha1, 1, NULL)) {
+                       error("%sbranch '%s' not found.",
+                                       remote, argv[i]);
+                       ret = 1;
+                       continue;
+               }
 
                rev = lookup_commit_reference(sha1);
-               if (!rev)
-                       die("Couldn't look up commit object for '%s'", name);
+               if (!rev) {
+                       error("Couldn't look up commit object for '%s'", name);
+                       ret = 1;
+                       continue;
+               }
 
                /* This checks whether the merge bases of branch and
                 * HEAD contains branch -- which means that the HEAD
@@ -119,27 +134,29 @@ static void delete_branches(int argc, const char **argv, int force)
                 */
 
                if (!force &&
-                   !in_merge_bases(sha1, rev, head_rev)) {
-                       fprintf(stderr,
-                               "The branch '%s' is not a strict subset of your current HEAD.\n"
-                               "If you are sure you want to delete it, run 'git branch -D %s'.\n",
-                               argv[i], argv[i]);
-                       exit(1);
+                   !in_merge_bases(rev, head_rev)) {
+                       error("The branch '%s' is not a strict subset of "
+                               "your current HEAD.\n"
+                               "If you are sure you want to delete it, "
+                               "run 'git branch -D %s'.", argv[i], argv[i]);
+                       ret = 1;
+                       continue;
                }
 
-               if (delete_ref(name, sha1))
-                       printf("Error deleting branch '%s'\n", argv[i]);
-               else
-                       printf("Deleted branch %s.\n", argv[i]);
+               if (delete_ref(name, sha1)) {
+                       error("Error deleting %sbranch '%s'", remote,
+                              argv[i]);
+                       ret = 1;
+               } else
+                       printf("Deleted %sbranch %s.\n", remote, argv[i]);
 
-               free(name);
        }
-}
 
-#define REF_UNKNOWN_TYPE    0x00
-#define REF_LOCAL_BRANCH    0x01
-#define REF_REMOTE_BRANCH   0x02
-#define REF_TAG             0x04
+       if (name)
+               free(name);
+
+       return(ret);
+}
 
 struct ref_item {
        char *name;
@@ -214,29 +231,54 @@ static int ref_cmp(const void *r1, const void *r2)
        return strcmp(c1->name, c2->name);
 }
 
-static void print_ref_info(const unsigned char *sha1, int abbrev)
+static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
+                          int abbrev, int current)
 {
+       char c;
+       int color;
        struct commit *commit;
        char subject[256];
 
+       switch (item->kind) {
+       case REF_LOCAL_BRANCH:
+               color = COLOR_BRANCH_LOCAL;
+               break;
+       case REF_REMOTE_BRANCH:
+               color = COLOR_BRANCH_REMOTE;
+               break;
+       default:
+               color = COLOR_BRANCH_PLAIN;
+               break;
+       }
 
-       commit = lookup_commit(sha1);
-       if (commit && !parse_commit(commit))
-               pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
-                                   subject, sizeof(subject), 0,
-                                   NULL, NULL, 0);
-       else
-               strcpy(subject, " **** invalid ref ****");
+       c = ' ';
+       if (current) {
+               c = '*';
+               color = COLOR_BRANCH_CURRENT;
+       }
 
-       printf(" %s %s\n", find_unique_abbrev(sha1, abbrev), subject);
+       if (verbose) {
+               commit = lookup_commit(item->sha1);
+               if (commit && !parse_commit(commit))
+                       pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
+                                           subject, sizeof(subject), 0,
+                                           NULL, NULL, 0);
+               else
+                       strcpy(subject, " **** invalid ref ****");
+               printf("%c %s%-*s%s %s %s\n", c, branch_get_color(color),
+                      maxwidth, item->name,
+                      branch_get_color(COLOR_BRANCH_RESET),
+                      find_unique_abbrev(item->sha1, abbrev), subject);
+       } else {
+               printf("%c %s%s%s\n", c, branch_get_color(color), item->name,
+                      branch_get_color(COLOR_BRANCH_RESET));
+       }
 }
 
 static void print_ref_list(int kinds, int verbose, int abbrev)
 {
        int i;
-       char c;
        struct ref_list ref_list;
-       int color;
 
        memset(&ref_list, 0, sizeof(ref_list));
        ref_list.kinds = kinds;
@@ -245,38 +287,10 @@ static void print_ref_list(int kinds, int verbose, int abbrev)
        qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp);
 
        for (i = 0; i < ref_list.index; i++) {
-               switch( ref_list.list[i].kind ) {
-                       case REF_LOCAL_BRANCH:
-                               color = COLOR_BRANCH_LOCAL;
-                               break;
-                       case REF_REMOTE_BRANCH:
-                               color = COLOR_BRANCH_REMOTE;
-                               break;
-                       default:
-                               color = COLOR_BRANCH_PLAIN;
-                               break;
-               }
-
-               c = ' ';
-               if (ref_list.list[i].kind == REF_LOCAL_BRANCH &&
-                               !strcmp(ref_list.list[i].name, head)) {
-                       c = '*';
-                       color = COLOR_BRANCH_CURRENT;
-               }
-
-               if (verbose) {
-                       printf("%c %s%-*s%s", c,
-                                       branch_get_color(color),
-                                       ref_list.maxwidth,
-                                       ref_list.list[i].name,
-                                       branch_get_color(COLOR_BRANCH_RESET));
-                       print_ref_info(ref_list.list[i].sha1, abbrev);
-               }
-               else
-                       printf("%c %s%s%s\n", c,
-                                       branch_get_color(color),
-                                       ref_list.list[i].name,
-                                       branch_get_color(COLOR_BRANCH_RESET));
+               int current = (ref_list.list[i].kind == REF_LOCAL_BRANCH) &&
+                       !strcmp(ref_list.list[i].name, head);
+               print_ref_item(&ref_list.list[i], ref_list.maxwidth, verbose,
+                              abbrev, current);
        }
 
        free_ref_list(&ref_list);
@@ -435,7 +449,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        head += 11;
 
        if (delete)
-               delete_branches(argc - i, argv + i, force_delete);
+               return delete_branches(argc - i, argv + i, force_delete, kinds);
        else if (i == argc)
                print_ref_list(kinds, verbose, abbrev);
        else if (rename && (i == argc - 1))