help: release strbuf on error return in exec_man_man()

diff --git a/builtin/describe.c b/builtin/describe.c
index 76c18059bf7ad059d4cca70712f4a782cc02d0eb..9c13c6817bd784fb9c0e3eff781911577ef7ef8c 100644 (file)
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "lockfile.h"
 #include "commit.h"
 #include "tag.h"
@@ -9,6 +10,7 @@
 #include "diff.h"
 #include "hashmap.h"
 #include "argv-array.h"
+#include "run-command.h"
 
 #define SEEN           (1u << 0)
 #define MAX_TAGS       (FLAG_BITS - 1)
@@ -31,7 +33,7 @@ static int have_util;
 static struct string_list patterns = STRING_LIST_INIT_NODUP;
 static struct string_list exclude_patterns = STRING_LIST_INIT_NODUP;
 static int always;
-static const char *dirty;
+static const char *suffix, *dirty, *broken;
 
 /* diff-index command arguments to check if working tree is dirty. */
 static const char *diff_index_args[] = {
@@ -49,12 +51,17 @@ struct commit_name {
 };
 
 static const char *prio_names[] = {
-       "head", "lightweight", "annotated",
+       N_("head"), N_("lightweight"), N_("annotated"),
 };
 
-static int commit_name_cmp(const struct commit_name *cn1,
-               const struct commit_name *cn2, const void *peeled)
+static int commit_name_cmp(const void *unused_cmp_data,
+                          const void *entry,
+                          const void *entry_or_key,
+                          const void *peeled)
 {
+       const struct commit_name *cn1 = entry;
+       const struct commit_name *cn2 = entry_or_key;
+
        return oidcmp(&cn1->peeled, peeled ? peeled : &cn2->peeled);
 }
 
@@ -78,13 +85,13 @@ static int replace_name(struct commit_name *e,
                struct tag *t;
 
                if (!e->tag) {
-                       t = lookup_tag(e->oid.hash);
+                       t = lookup_tag(&e->oid);
                        if (!t || parse_tag(t))
                                return 1;
                        e->tag = t;
                }
 
-               t = lookup_tag(oid->hash);
+               t = lookup_tag(oid);
                if (!t || parse_tag(t))
                        return 0;
                *tag = t;
@@ -141,7 +148,7 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi
                        return 0;
 
                for_each_string_list_item(item, &exclude_patterns) {
-                       if (!wildmatch(item->string, path + 10, 0, NULL))
+                       if (!wildmatch(item->string, path + 10, 0))
                                return 0;
                }
        }
@@ -157,7 +164,7 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi
                        return 0;
 
                for_each_string_list_item(item, &patterns) {
-                       if (!wildmatch(item->string, path + 10, 0, NULL))
+                       if (!wildmatch(item->string, path + 10, 0))
                                break;
 
                        /* If we get here, no pattern matched. */
@@ -244,7 +251,7 @@ static unsigned long finish_depth_computation(
 static void display_name(struct commit_name *n)
 {
        if (n->prio == 2 && !n->tag) {
-               n->tag = lookup_tag(n->oid.hash);
+               n->tag = lookup_tag(&n->oid);
                if (!n->tag || parse_tag(n->tag))
                        die(_("annotated tag %s not available"), n->path);
        }
@@ -280,7 +287,7 @@ static void describe(const char *arg, int last_one)
 
        if (get_oid(arg, &oid))
                die(_("Not a valid object name %s"), arg);
-       cmit = lookup_commit_reference(oid.hash);
+       cmit = lookup_commit_reference(&oid);
        if (!cmit)
                die(_("%s is not a valid '%s' object"), arg, commit_type);
 
@@ -292,8 +299,8 @@ static void describe(const char *arg, int last_one)
                display_name(n);
                if (longformat)
                        show_suffix(0, n->tag ? &n->tag->tagged->oid : &oid);
-               if (dirty)
-                       printf("%s", dirty);
+               if (suffix)
+                       printf("%s", suffix);
                printf("\n");
                return;
        }
@@ -308,7 +315,7 @@ static void describe(const char *arg, int last_one)
                struct commit *c;
                struct commit_name *n = hashmap_iter_first(&names, &iter);
                for (; n; n = hashmap_iter_next(&iter)) {
-                       c = lookup_commit_reference_gently(n->peeled.hash, 1);
+                       c = lookup_commit_reference_gently(&n->peeled, 1);
                        if (c)
                                c->util = n;
                }
@@ -369,8 +376,8 @@ static void describe(const char *arg, int last_one)
                struct object_id *oid = &cmit->object.oid;
                if (always) {
                        printf("%s", find_unique_abbrev(oid->hash, abbrev));
-                       if (dirty)
-                               printf("%s", dirty);
+                       if (suffix)
+                               printf("%s", suffix);
                        printf("\n");
                        return;
                }
@@ -394,10 +401,19 @@ static void describe(const char *arg, int last_one)
        free_commit_list(list);
 
        if (debug) {
+               static int label_width = -1;
+               if (label_width < 0) {
+                       int i, w;
+                       for (i = 0; i < ARRAY_SIZE(prio_names); i++) {
+                               w = strlen(_(prio_names[i]));
+                               if (label_width < w)
+                                       label_width = w;
+                       }
+               }
                for (cur_match = 0; cur_match < match_cnt; cur_match++) {
                        struct possible_tag *t = &all_matches[cur_match];
-                       fprintf(stderr, " %-11s %8d %s\n",
-                               prio_names[t->name->prio],
+                       fprintf(stderr, " %-*s %8d %s\n",
+                               label_width, _(prio_names[t->name->prio]),
                                t->depth, t->name->path);
                }
                fprintf(stderr, _("traversed %lu commits\n"), seen_commits);
@@ -413,8 +429,8 @@ static void describe(const char *arg, int last_one)
        display_name(all_matches[0].name);
        if (abbrev)
                show_suffix(all_matches[0].depth, &cmit->object.oid);
-       if (dirty)
-               printf("%s", dirty);
+       if (suffix)
+               printf("%s", suffix);
        printf("\n");
 
        if (!last_one)
@@ -445,6 +461,9 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                {OPTION_STRING, 0, "dirty",  &dirty, N_("mark"),
                        N_("append <mark> on dirty working tree (default: \"-dirty\")"),
                        PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"},
+               {OPTION_STRING, 0, "broken",  &broken, N_("mark"),
+                       N_("append <mark> on broken working tree (default: \"-broken\")"),
+                       PARSE_OPT_OPTARG, NULL, (intptr_t) "-broken"},
                OPT_END(),
        };
 
@@ -487,13 +506,34 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                return cmd_name_rev(args.argc, args.argv, prefix);
        }
 
-       hashmap_init(&names, (hashmap_cmp_fn) commit_name_cmp, 0);
+       hashmap_init(&names, commit_name_cmp, NULL, 0);
        for_each_rawref(get_name, NULL);
        if (!names.size && !always)
                die(_("No names found, cannot describe anything."));
 
        if (argc == 0) {
-               if (dirty) {
+               if (broken) {
+                       struct child_process cp = CHILD_PROCESS_INIT;
+                       argv_array_pushv(&cp.args, diff_index_args);
+                       cp.git_cmd = 1;
+                       cp.no_stdin = 1;
+                       cp.no_stdout = 1;
+
+                       if (!dirty)
+                               dirty = "-dirty";
+
+                       switch (run_command(&cp)) {
+                       case 0:
+                               suffix = NULL;
+                               break;
+                       case 1:
+                               suffix = dirty;
+                               break;
+                       default:
+                               /* diff-index aborted abnormally */
+                               suffix = broken;
+                       }
+               } else if (dirty) {
                        static struct lock_file index_lock;
                        int fd;
 
@@ -506,11 +546,15 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
 
                        if (!cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1,
                                            diff_index_args, prefix))
-                               dirty = NULL;
+                               suffix = NULL;
+                       else
+                               suffix = dirty;
                }
                describe("HEAD", 1);
        } else if (dirty) {
                die(_("--dirty is incompatible with commit-ishes"));
+       } else if (broken) {
+               die(_("--broken is incompatible with commit-ishes"));
        } else {
                while (argc-- > 0)
                        describe(*argv++, argc == 0);