tag.c: implement '--merged' and '--no-merged' options

diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index ef8b254ef218249f7f1b0f28db7ea21110851917..4ba7f282a5f6cd2e0af643f865a34c3048f2f591 100644 (file)
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -1,5 +1,6 @@
 #include "builtin.h"
 #include "cache.h"
+#include "refs.h"
 #include "commit.h"
 #include "diff.h"
 #include "revision.h"
@@ -10,7 +11,7 @@
 #include "gpg-interface.h"
 
 static const char * const fmt_merge_msg_usage[] = {
-       N_("git fmt-merge-msg [-m <message>] [--log[=<n>]|--no-log] [--file <file>]"),
+       N_("git fmt-merge-msg [-m <message>] [--log[=<n>] | --no-log] [--file <file>]"),
        NULL
 };
 
@@ -100,7 +101,8 @@ static int handle_line(char *line, struct merge_parents *merge_parents)
 {
        int i, len = strlen(line);
        struct origin_data *origin_data;
-       char *src, *origin;
+       char *src;
+       const char *origin;
        struct src_data *src_data;
        struct string_list_item *item;
        int pulling_head = 0;
@@ -164,8 +166,7 @@ static int handle_line(char *line, struct merge_parents *merge_parents)
                origin = line;
                string_list_append(&src_data->tag, origin + 4);
                src_data->head_status |= 2;
-       } else if (starts_with(line, "remote-tracking branch ")) {
-               origin = line + strlen("remote-tracking branch ");
+       } else if (skip_prefix(line, "remote-tracking branch ", &origin)) {
                string_list_append(&src_data->r_branch, origin);
                src_data->head_status |= 2;
        } else {
@@ -178,11 +179,8 @@ static int handle_line(char *line, struct merge_parents *merge_parents)
                int len = strlen(origin);
                if (origin[0] == '\'' && origin[len - 1] == '\'')
                        origin = xmemdupz(origin + 1, len - 2);
-       } else {
-               char *new_origin = xmalloc(strlen(origin) + strlen(src) + 5);
-               sprintf(new_origin, "%s of %s", origin, src);
-               origin = new_origin;
-       }
+       } else
+               origin = xstrfmt("%s of %s", origin, src);
        if (strcmp(".", src))
                origin_data->is_local_branch = 0;
        string_list_append(&origins, origin)->util = origin_data;
@@ -219,24 +217,21 @@ static void add_branch_desc(struct strbuf *out, const char *name)
                        strbuf_addf(out, "  : %.*s", (int)(ep - bp), bp);
                        bp = ep;
                }
-               if (out->buf[out->len - 1] != '\n')
-                       strbuf_addch(out, '\n');
+               strbuf_complete_line(out);
        }
        strbuf_release(&desc);
 }
 
 #define util_as_integral(elem) ((intptr_t)((elem)->util))
 
-static void record_person(int which, struct string_list *people,
-                         struct commit *commit)
+static void record_person_from_buf(int which, struct string_list *people,
+                                  const char *buffer)
 {
-       const char *buffer;
        char *name_buf, *name, *name_end;
        struct string_list_item *elem;
        const char *field;
 
        field = (which == 'a') ? "\nauthor " : "\ncommitter ";
-       buffer = get_commit_buffer(commit, NULL);
        name = strstr(buffer, field);
        if (!name)
                return;
@@ -249,7 +244,6 @@ static void record_person(int which, struct string_list *people,
        if (name_end < name)
                return;
        name_buf = xmemdupz(name, name_end - name + 1);
-       unuse_commit_buffer(commit, buffer);
 
        elem = string_list_lookup(people, name_buf);
        if (!elem) {
@@ -260,6 +254,15 @@ static void record_person(int which, struct string_list *people,
        free(name_buf);
 }
 
+
+static void record_person(int which, struct string_list *people,
+                         struct commit *commit)
+{
+       const char *buffer = get_commit_buffer(commit, NULL);
+       record_person_from_buf(which, people, buffer);
+       unuse_commit_buffer(commit, buffer);
+}
+
 static int cmp_string_list_util_as_integral(const void *a_, const void *b_)
 {
        const struct string_list_item *a = a_, *b = b_;
@@ -300,8 +303,8 @@ static void credit_people(struct strbuf *out,
        if (!them->nr ||
            (them->nr == 1 &&
             me &&
-            (me = skip_prefix(me, them->items->string)) != NULL &&
-            skip_prefix(me, " <")))
+            skip_prefix(me, them->items->string, &me) &&
+            starts_with(me, " <")))
                return;
        strbuf_addf(out, "\n%c %s ", comment_line_char, label);
        add_people_count(out, them);
@@ -605,7 +608,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out,
 
        /* get current branch */
        current_branch = current_branch_to_free =
-               resolve_refdup("HEAD", head_sha1, 1, NULL);
+               resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL);
        if (!current_branch)
                die("No current branch");
        if (starts_with(current_branch, "refs/heads/"))