sequencer: use argv_array_pushf

diff --git a/builtin/log.c b/builtin/log.c
index 00a4ce602cc3f6784bb51784766c9ef2f655f0e9..a7ba211731ecc02523c4509878679f050c151f0b 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -63,6 +63,8 @@ static int parse_decoration_style(const char *var, const char *value)
                return DECORATE_FULL_REFS;
        else if (!strcmp(value, "short"))
                return DECORATE_SHORT_REFS;
+       else if (!strcmp(value, "auto"))
+               return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0;
        return -1;
 }
 
@@ -387,7 +389,7 @@ static int git_log_config(const char *var, const char *value, void *cb)
                default_show_root = git_config_bool(var, value);
                return 0;
        }
-       if (!prefixcmp(var, "color.decorate."))
+       if (starts_with(var, "color.decorate."))
                return parse_decorate_color_config(var, 15, value);
        if (!strcmp(var, "log.mailmap")) {
                use_mailmap_config = git_config_bool(var, value);
@@ -473,7 +475,7 @@ static int show_tag_object(const unsigned char *sha1, struct rev_info *rev)
                int new_offset = offset + 1;
                while (new_offset < size && buf[new_offset++] != '\n')
                        ; /* do nothing */
-               if (!prefixcmp(buf + offset, "tagger "))
+               if (starts_with(buf + offset, "tagger "))
                        show_tagger(buf + offset + 7,
                                    new_offset - offset - 7, rev);
                offset = new_offset;
@@ -499,7 +501,7 @@ static void show_rev_tweak_rev(struct rev_info *rev, struct setup_revision_opt *
                /* There was no "-m" on the command line */
                rev->ignore_merges = 0;
                if (!rev->first_parent_only && !rev->combine_merges) {
-                       /* No "--first-parent", "-c", nor "--cc" */
+                       /* No "--first-parent", "-c", or "--cc" */
                        rev->combine_merges = 1;
                        rev->dense_combined_merges = 1;
                }
@@ -669,6 +671,7 @@ static void add_header(const char *value)
 static int thread;
 static int do_signoff;
 static const char *signature = git_version_string;
+static const char *signature_file;
 static int config_cover_letter;
 
 enum {
@@ -738,6 +741,8 @@ static int git_format_config(const char *var, const char *value, void *cb)
        }
        if (!strcmp(var, "format.signature"))
                return git_config_string(&signature, var, value);
+       if (!strcmp(var, "format.signaturefile"))
+               return git_config_pathname(&signature_file, var, value);
        if (!strcmp(var, "format.coverletter")) {
                if (value && !strcasecmp(value, "auto")) {
                        config_cover_letter = COVER_AUTO;
@@ -840,8 +845,13 @@ static void gen_message_id(struct rev_info *info, char *base)
 
 static void print_signature(void)
 {
-       if (signature && *signature)
-               printf("-- \n%s\n\n", signature);
+       if (!signature || !*signature)
+               return;
+
+       printf("-- \n%s", signature);
+       if (signature[strlen(signature)-1] != '\n')
+               putchar('\n');
+       putchar('\n');
 }
 
 static void add_branch_description(struct strbuf *buf, const char *branch_name)
@@ -878,7 +888,7 @@ static char *find_branch_name(struct rev_info *rev)
        ref = rev->cmdline.rev[positive].name;
        tip_sha1 = rev->cmdline.rev[positive].item->sha1;
        if (dwim_ref(ref, strlen(ref), branch_sha1, &full_ref) &&
-           !prefixcmp(full_ref, "refs/heads/") &&
+           starts_with(full_ref, "refs/heads/") &&
            !hashcmp(tip_sha1, branch_sha1))
                branch = xstrdup(full_ref + strlen("refs/heads/"));
        free(full_ref);
@@ -1226,6 +1236,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                            PARSE_OPT_OPTARG, thread_callback },
                OPT_STRING(0, "signature", &signature, N_("signature"),
                            N_("add a signature")),
+               OPT_FILENAME(0, "signature-file", &signature_file,
+                               N_("add a signature from a file")),
                OPT__QUIET(&quiet, N_("don't print the patch filenames")),
                OPT_END()
        };
@@ -1384,7 +1396,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        unsigned char sha1[20];
                        const char *ref;
                        ref = resolve_ref_unsafe("HEAD", sha1, 1, NULL);
-                       if (ref && !prefixcmp(ref, "refs/heads/"))
+                       if (ref && starts_with(ref, "refs/heads/"))
                                branch_name = xstrdup(ref + strlen("refs/heads/"));
                        else
                                branch_name = xstrdup(""); /* no branch */
@@ -1443,6 +1455,18 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        cover_letter = (config_cover_letter == COVER_ON);
        }
 
+       if (!signature) {
+               ; /* --no-signature inhibits all signatures */
+       } else if (signature && signature != git_version_string) {
+               ; /* non-default signature already set */
+       } else if (signature_file) {
+               struct strbuf buf = STRBUF_INIT;
+
+               if (strbuf_read_file(&buf, signature_file, 128) < 0)
+                       die_errno(_("unable to read signature file '%s'"), signature_file);
+               signature = strbuf_detach(&buf, NULL);
+       }
+
        if (in_reply_to || thread || cover_letter)
                rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
        if (in_reply_to) {