format-patch: --attach/inline uses filename instead of SHA1
[gitweb.git] / builtin-log.c
index 8684fcdb67fc0216ffc860f60f5c060f10907b83..3e3cbc11fd80d3409a9e880c2307680e9701afb7 100644 (file)
@@ -417,13 +417,6 @@ int cmd_log(int argc, const char **argv, const char *prefix)
 }
 
 /* format-patch */
-#define FORMAT_PATCH_NAME_MAX 64
-
-static int istitlechar(char c)
-{
-       return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
-               (c >= '0' && c <= '9') || c == '.' || c == '_';
-}
 
 static const char *fmt_patch_suffix = ".patch";
 static int numbered = 0;
@@ -518,90 +511,33 @@ static int git_format_config(const char *var, const char *value, void *cb)
        return git_log_config(var, value, cb);
 }
 
-
-static const char *get_oneline_for_filename(struct commit *commit,
-                                           int keep_subject)
-{
-       static char filename[PATH_MAX];
-       char *sol;
-       int len = 0;
-       int suffix_len = strlen(fmt_patch_suffix) + 1;
-
-       sol = strstr(commit->buffer, "\n\n");
-       if (!sol)
-               filename[0] = '\0';
-       else {
-               int j, space = 0;
-
-               sol += 2;
-               /* strip [PATCH] or [PATCH blabla] */
-               if (!keep_subject && !prefixcmp(sol, "[PATCH")) {
-                       char *eos = strchr(sol + 6, ']');
-                       if (eos) {
-                               while (isspace(*eos))
-                                       eos++;
-                               sol = eos;
-                       }
-               }
-
-               for (j = 0;
-                    j < FORMAT_PATCH_NAME_MAX - suffix_len - 5 &&
-                            len < sizeof(filename) - suffix_len &&
-                            sol[j] && sol[j] != '\n';
-                    j++) {
-                       if (istitlechar(sol[j])) {
-                               if (space) {
-                                       filename[len++] = '-';
-                                       space = 0;
-                               }
-                               filename[len++] = sol[j];
-                               if (sol[j] == '.')
-                                       while (sol[j + 1] == '.')
-                                               j++;
-                       } else
-                               space = 1;
-               }
-               while (filename[len - 1] == '.'
-                      || filename[len - 1] == '-')
-                       len--;
-               filename[len] = '\0';
-       }
-       return filename;
-}
-
 static FILE *realstdout = NULL;
 static const char *output_directory = NULL;
 static int outdir_offset;
 
-static int reopen_stdout(const char *oneline, int nr, int total)
+static int reopen_stdout(struct commit *commit, struct rev_info *rev)
 {
-       char filename[PATH_MAX];
-       int len = 0;
+       struct strbuf filename = STRBUF_INIT;
        int suffix_len = strlen(fmt_patch_suffix) + 1;
 
        if (output_directory) {
-               len = snprintf(filename, sizeof(filename), "%s",
-                               output_directory);
-               if (len >=
-                   sizeof(filename) - FORMAT_PATCH_NAME_MAX - suffix_len)
+               strbuf_addstr(&filename, output_directory);
+               if (filename.len >=
+                   PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len)
                        return error("name of output directory is too long");
-               if (filename[len - 1] != '/')
-                       filename[len++] = '/';
+               if (filename.buf[filename.len - 1] != '/')
+                       strbuf_addch(&filename, '/');
        }
 
-       if (!oneline)
-               len += sprintf(filename + len, "%d", nr);
-       else {
-               len += sprintf(filename + len, "%04d-", nr);
-               len += snprintf(filename + len, sizeof(filename) - len - 1
-                               - suffix_len, "%s", oneline);
-               strcpy(filename + len, fmt_patch_suffix);
-       }
+       get_patch_filename(commit, rev->nr, fmt_patch_suffix, &filename);
+
+       if (!DIFF_OPT_TST(&rev->diffopt, QUIET))
+               fprintf(realstdout, "%s\n", filename.buf + outdir_offset);
 
-       fprintf(realstdout, "%s\n", filename + outdir_offset);
-       if (freopen(filename, "w", stdout) == NULL)
-               return error("Cannot open patch file %s",filename);
+       if (freopen(filename.buf, "w", stdout) == NULL)
+               return error("Cannot open patch file %s", filename.buf);
 
+       strbuf_release(&filename);
        return 0;
 }
 
@@ -671,7 +607,6 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
                              int nr, struct commit **list, struct commit *head)
 {
        const char *committer;
-       char *head_sha1;
        const char *subject_start = NULL;
        const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n";
        const char *msg;
@@ -682,20 +617,40 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        const char *encoding = "utf-8";
        struct diff_options opts;
        int need_8bit_cte = 0;
+       struct commit *commit = NULL;
 
        if (rev->commit_format != CMIT_FMT_EMAIL)
                die("Cover letter needs email format");
 
-       if (!use_stdout && reopen_stdout(numbered_files ?
-                               NULL : "cover-letter", 0, rev->total))
+       committer = git_committer_info(0);
+
+       if (!numbered_files) {
+               /*
+                * We fake a commit for the cover letter so we get the filename
+                * desired.
+                */
+               commit = xcalloc(1, sizeof(*commit));
+               commit->buffer = xmalloc(400);
+               snprintf(commit->buffer, 400,
+                       "tree 0000000000000000000000000000000000000000\n"
+                       "parent %s\n"
+                       "author %s\n"
+                       "committer %s\n\n"
+                       "cover letter\n",
+                       sha1_to_hex(head->object.sha1), committer, committer);
+       }
+
+       if (!use_stdout && reopen_stdout(commit, rev))
                return;
 
-       head_sha1 = sha1_to_hex(head->object.sha1);
+       if (commit) {
 
-       log_write_email_headers(rev, head_sha1, &subject_start, &extra_headers,
-                               &need_8bit_cte);
+               free(commit->buffer);
+               free(commit);
+       }
 
-       committer = git_committer_info(0);
+       log_write_email_headers(rev, head, &subject_start, &extra_headers,
+                               &need_8bit_cte);
 
        msg = body;
        pp_user_info(NULL, CMIT_FMT_EMAIL, &sb, committer, DATE_RFC2822,
@@ -956,8 +911,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                die ("-n and -k are mutually exclusive.");
        if (keep_subject && subject_prefix)
                die ("--subject-prefix and -k are mutually exclusive.");
-       if (numbered_files && use_stdout)
-               die ("--numbered-files and --stdout are mutually exclusive.");
 
        argc = setup_revisions(argc, argv, &rev, "HEAD");
        if (argc > 1)
@@ -1056,6 +1009,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                const char *msgid = clean_message_id(in_reply_to);
                string_list_append(msgid, rev.ref_message_ids);
        }
+       rev.numbered_files = numbered_files;
+       rev.patch_suffix = fmt_patch_suffix;
        if (cover_letter) {
                if (thread)
                        gen_message_id(&rev, "cover");
@@ -1104,9 +1059,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        }
                        gen_message_id(&rev, sha1_to_hex(commit->object.sha1));
                }
-               if (!use_stdout && reopen_stdout(numbered_files ? NULL :
-                               get_oneline_for_filename(commit, keep_subject),
-                               rev.nr, rev.total))
+
+               if (!use_stdout && reopen_stdout(numbered_files ? NULL : commit,
+                                                &rev))
                        die("Failed to create output files");
                shown = log_tree_commit(&rev, commit);
                free(commit->buffer);