fast-import: export correctly marks larger than 2^20-1

[git.git] / builtin / fmt-merge-msg.c

diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index 379a03131fbd84fb2b45a6b05e62daf82b7e4947..bc3c5e6d3ec50eaa9829358ee0a82a1438c19f89 100644 (file)
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -82,7 +82,7 @@ static int handle_line(char *line)
 
        item = unsorted_string_list_lookup(&srcs, src);
        if (!item) {
-               item = string_list_append(src, &srcs);
+               item = string_list_append(&srcs, src);
                item->util = xcalloc(1, sizeof(struct src_data));
                init_src_data(item->util);
        }
@@ -93,19 +93,19 @@ static int handle_line(char *line)
                src_data->head_status |= 1;
        } else if (!prefixcmp(line, "branch ")) {
                origin = line + 7;
-               string_list_append(origin, &src_data->branch);
+               string_list_append(&src_data->branch, origin);
                src_data->head_status |= 2;
        } else if (!prefixcmp(line, "tag ")) {
                origin = line;
-               string_list_append(origin + 4, &src_data->tag);
+               string_list_append(&src_data->tag, origin + 4);
                src_data->head_status |= 2;
        } else if (!prefixcmp(line, "remote branch ")) {
                origin = line + 14;
-               string_list_append(origin, &src_data->r_branch);
+               string_list_append(&src_data->r_branch, origin);
                src_data->head_status |= 2;
        } else {
                origin = src;
-               string_list_append(line, &src_data->generic);
+               string_list_append(&src_data->generic, line);
                src_data->head_status |= 2;
        }
 
@@ -118,7 +118,7 @@ static int handle_line(char *line)
                sprintf(new_origin, "%s of %s", origin, src);
                origin = new_origin;
        }
-       string_list_append(origin, &origins)->util = sha1;
+       string_list_append(&origins, origin)->util = sha1;
        return 0;
 }
 
@@ -176,10 +176,10 @@ static void shortlog(const char *name, unsigned char *sha1,
                strbuf_ltrim(&sb);
 
                if (!sb.len)
-                       string_list_append(sha1_to_hex(commit->object.sha1),
-                                          &subjects);
+                       string_list_append(&subjects,
+                                          sha1_to_hex(commit->object.sha1));
                else
-                       string_list_append(strbuf_detach(&sb, NULL), &subjects);
+                       string_list_append(&subjects, strbuf_detach(&sb, NULL));
        }
 
        if (count > limit)
@@ -202,35 +202,10 @@ static void shortlog(const char *name, unsigned char *sha1,
        string_list_clear(&subjects, 0);
 }
 
-int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
-       int limit = 20, i = 0, pos = 0;
+static void do_fmt_merge_msg_title(struct strbuf *out,
+       const char *current_branch) {
+       int i = 0;
        char *sep = "";
-       unsigned char head_sha1[20];
-       const char *current_branch;
-
-       /* get current branch */
-       current_branch = resolve_ref("HEAD", head_sha1, 1, NULL);
-       if (!current_branch)
-               die("No current branch");
-       if (!prefixcmp(current_branch, "refs/heads/"))
-               current_branch += 11;
-
-       /* get a line */
-       while (pos < in->len) {
-               int len;
-               char *newline, *p = in->buf + pos;
-
-               newline = strchr(p, '\n');
-               len = newline ? newline - p : strlen(p);
-               pos += len + !!newline;
-               i++;
-               p[len] = 0;
-               if (handle_line(p))
-                       die ("Error in line %d: %.*s", i, len, p);
-       }
-
-       if (!srcs.nr)
-               return 0;
 
        strbuf_addstr(out, "Merge ");
        for (i = 0; i < srcs.nr; i++) {
@@ -278,6 +253,40 @@ int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
                strbuf_addch(out, '\n');
        else
                strbuf_addf(out, " into %s\n", current_branch);
+}
+
+static int do_fmt_merge_msg(int merge_title, int merge_summary,
+       struct strbuf *in, struct strbuf *out) {
+       int limit = 20, i = 0, pos = 0;
+       unsigned char head_sha1[20];
+       const char *current_branch;
+
+       /* get current branch */
+       current_branch = resolve_ref("HEAD", head_sha1, 1, NULL);
+       if (!current_branch)
+               die("No current branch");
+       if (!prefixcmp(current_branch, "refs/heads/"))
+               current_branch += 11;
+
+       /* get a line */
+       while (pos < in->len) {
+               int len;
+               char *newline, *p = in->buf + pos;
+
+               newline = strchr(p, '\n');
+               len = newline ? newline - p : strlen(p);
+               pos += len + !!newline;
+               i++;
+               p[len] = 0;
+               if (handle_line(p))
+                       die ("Error in line %d: %.*s", i, len, p);
+       }
+
+       if (!srcs.nr)
+               return 0;
+
+       if (merge_title)
+               do_fmt_merge_msg_title(out, current_branch);
 
        if (merge_summary) {
                struct commit *head;
@@ -289,6 +298,9 @@ int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
                rev.ignore_merges = 1;
                rev.limited = 1;
 
+               if (suffixcmp(out->buf, "\n"))
+                       strbuf_addch(out, '\n');
+
                for (i = 0; i < origins.nr; i++)
                        shortlog(origins.items[i].string, origins.items[i].util,
                                        head, &rev, limit, out);
@@ -296,6 +308,14 @@ int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
        return 0;
 }
 
+int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
+       return do_fmt_merge_msg(1, merge_summary, in, out);
+}
+
+int fmt_merge_msg_shortlog(struct strbuf *in, struct strbuf *out) {
+       return do_fmt_merge_msg(0, 1, in, out);
+}
+
 int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
 {
        const char *inpath = NULL;