]> asedeno.scripts.mit.edu Git - git.git/blobdiff - builtin-branch.c
Support unmapping windows on 'temporary' packfiles.
[git.git] / builtin-branch.c
index 153682601e2f77514edab0e6ba9d3077cd3114e7..745ee04d6e4a8f8b3ea96d35ec65d7a03d1441de 100644 (file)
@@ -6,42 +6,96 @@
  */
 
 #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> | [-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];
 
-static int in_merge_bases(const unsigned char *sha1,
-                         struct commit *rev1,
-                         struct commit *rev2)
+static int branch_use_color;
+static char branch_colors[][COLOR_MAXLEN] = {
+       "\033[m",       /* reset */
+       "",             /* PLAIN (normal) */
+       "\033[31m",     /* REMOTE (red) */
+       "",             /* LOCAL (normal) */
+       "\033[32m",     /* CURRENT (green) */
+};
+enum color_branch {
+       COLOR_BRANCH_RESET = 0,
+       COLOR_BRANCH_PLAIN = 1,
+       COLOR_BRANCH_REMOTE = 2,
+       COLOR_BRANCH_LOCAL = 3,
+       COLOR_BRANCH_CURRENT = 4,
+};
+
+static int parse_branch_color_slot(const char *var, int ofs)
 {
-       struct commit_list *bases, *b;
-       int ret = 0;
+       if (!strcasecmp(var+ofs, "plain"))
+               return COLOR_BRANCH_PLAIN;
+       if (!strcasecmp(var+ofs, "reset"))
+               return COLOR_BRANCH_RESET;
+       if (!strcasecmp(var+ofs, "remote"))
+               return COLOR_BRANCH_REMOTE;
+       if (!strcasecmp(var+ofs, "local"))
+               return COLOR_BRANCH_LOCAL;
+       if (!strcasecmp(var+ofs, "current"))
+               return COLOR_BRANCH_CURRENT;
+       die("bad config variable '%s'", var);
+}
 
-       bases = get_merge_bases(rev1, rev2, 1);
-       for (b = bases; b; b = b->next) {
-               if (!hashcmp(sha1, b->item->object.sha1)) {
-                       ret = 1;
-                       break;
-               }
+int git_branch_config(const char *var, const char *value)
+{
+       if (!strcmp(var, "color.branch")) {
+               branch_use_color = git_config_colorbool(var, value);
+               return 0;
        }
+       if (!strncmp(var, "color.branch.", 13)) {
+               int slot = parse_branch_color_slot(var, 13);
+               color_parse(value, var, branch_colors[slot]);
+               return 0;
+       }
+       return git_default_config(var, value);
+}
 
-       free_commit_list(bases);
-       return ret;
+const char *branch_get_color(enum color_branch ix)
+{
+       if (branch_use_color)
+               return branch_colors[ix];
+       return "";
 }
 
-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);
@@ -49,16 +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
@@ -66,27 +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;
@@ -183,6 +253,7 @@ 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;
@@ -191,18 +262,38 @@ 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))
+                               !strcmp(ref_list.list[i].name, head)) {
                        c = '*';
+                       color = COLOR_BRANCH_CURRENT;
+               }
 
                if (verbose) {
-                       printf("%c %-*s", c, ref_list.maxwidth,
-                              ref_list.list[i].name);
+                       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\n", c, ref_list.list[i].name);
+                       printf("%c %s%s%s\n", c,
+                                       branch_get_color(color),
+                                       ref_list.list[i].name,
+                                       branch_get_color(COLOR_BRANCH_RESET));
        }
 
        free_ref_list(&ref_list);
@@ -247,7 +338,7 @@ static void create_branch(const char *name, const char *start,
 
 static void rename_branch(const char *oldname, const char *newname, int force)
 {
-       char oldref[PATH_MAX], newref[PATH_MAX];
+       char oldref[PATH_MAX], newref[PATH_MAX], logmsg[PATH_MAX*2 + 100];
        unsigned char sha1[20];
 
        if (snprintf(oldref, sizeof(oldref), "refs/heads/%s", oldname) > sizeof(oldref))
@@ -265,7 +356,10 @@ static void rename_branch(const char *oldname, const char *newname, int force)
        if (resolve_ref(newref, sha1, 1, NULL) && !force)
                die("A branch named '%s' already exists.", newname);
 
-       if (rename_ref(oldref, newref))
+       snprintf(logmsg, sizeof(logmsg), "Branch: renamed %s to %s",
+                oldref, newref);
+
+       if (rename_ref(oldref, newref, logmsg))
                die("Branch rename failed");
 
        if (!strcmp(oldname, head) && create_symref("HEAD", newref))
@@ -281,7 +375,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        int kinds = REF_LOCAL_BRANCH;
        int i;
 
-       git_config(git_default_config);
+       setup_ident();
+       git_config(git_branch_config);
 
        for (i = 1; i < argc; i++) {
                const char *arg = argv[i];
@@ -334,6 +429,14 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                        verbose = 1;
                        continue;
                }
+               if (!strcmp(arg, "--color")) {
+                       branch_use_color = 1;
+                       continue;
+               }
+               if (!strcmp(arg, "--no-color")) {
+                       branch_use_color = 0;
+                       continue;
+               }
                usage(builtin_branch_usage);
        }
 
@@ -349,7 +452,7 @@ 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))