format-patch --signoff

This resurrects --signoff option to format-patch.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-log.c b/builtin-log.c
index db1912a..ac4822d 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -150,6 +150,7 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        int numbered = 0;
        int start_number = -1;
        int keep_subject = 0;
+       char *add_signoff = NULL;
 
        init_revisions(&rev);
        rev.commit_format = CMIT_FMT_EMAIL;
@@ -179,11 +180,13 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
                        if (i == argc)
                                die("Need a number for --start-number");
                        start_number = strtol(argv[i], NULL, 10);
-               } else if (!strcmp(argv[i], "-k") ||
+               }
+               else if (!strcmp(argv[i], "-k") ||
                                !strcmp(argv[i], "--keep-subject")) {
                        keep_subject = 1;
                        rev.total = -1;
-               } else if (!strcmp(argv[i], "-o")) {
+               }
+               else if (!strcmp(argv[i], "-o")) {
                        if (argc < 3)
                                die ("Which directory?");
                        if (mkdir(argv[i + 1], 0777) < 0 && errno != EEXIST)
@@ -192,6 +195,16 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
                        output_directory = strdup(argv[i + 1]);
                        i++;
                }
+               else if (!strcmp(argv[i], "--signoff") ||
+                        !strcmp(argv[i], "-s")) {
+                       const char *committer = git_committer_info(1);
+                       const char *endpos = strchr(committer, '>');
+                       if (!endpos)
+                               die("bogos committer info %s\n", committer);
+                       add_signoff = xmalloc(endpos - committer + 2);
+                       memcpy(add_signoff, committer, endpos - committer + 1);
+                       add_signoff[endpos - committer + 1] = 0;
+               }
                else if (!strcmp(argv[i], "--attach"))
                        rev.mime_boundary = git_version_string;
                else if (!strncmp(argv[i], "--attach=", 9))
@@ -230,6 +243,7 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        total = nr;
        if (numbered)
                rev.total = total + start_number - 1;
+       rev.add_signoff = add_signoff;
        while (0 <= --nr) {
                int shown;
                commit = list[nr];

diff --git a/log-tree.c b/log-tree.c
index 58b0163..e86e16b 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -12,6 +12,37 @@ static void show_parents(struct commit *commit, int abbrev)
        }
 }
 
+static int append_signoff(char *buf, int buf_sz, int at, const char *signoff)
+{
+       int signoff_len = strlen(signoff);
+       static const char signed_off_by[] = "Signed-off-by: ";
+       char *cp = buf;
+
+       /* Do we have enough space to add it? */
+       if (buf_sz - at <= strlen(signed_off_by) + signoff_len + 2)
+               return at;
+
+       /* First see if we already have the sign-off by the signer */
+       while (1) {
+               cp = strstr(cp, signed_off_by);
+               if (!cp)
+                       break;
+               cp += strlen(signed_off_by);
+               if ((cp + signoff_len < buf + at) &&
+                   !strncmp(cp, signoff, signoff_len) &&
+                   isspace(cp[signoff_len]))
+                       return at; /* we already have him */
+       }
+
+       strcpy(buf + at, signed_off_by);
+       at += strlen(signed_off_by);
+       strcpy(buf + at, signoff);
+       at += signoff_len;
+       buf[at++] = '\n';
+       buf[at] = 0;
+       return at;
+}
+
 void show_log(struct rev_info *opt, struct log_info *log, const char *sep)
 {
        static char this_header[16384];
@@ -111,6 +142,10 @@ void show_log(struct rev_info *opt, struct log_info *log, const char *sep)
         * And then the pretty-printed message itself
         */
        len = pretty_print_commit(opt->commit_format, commit, ~0u, this_header, sizeof(this_header), abbrev, subject, after_subject);
+
+       if (opt->add_signoff)
+               len = append_signoff(this_header, sizeof(this_header), len,
+                                    opt->add_signoff);
        printf("%s%s%s", this_header, extra, sep);
 }
 

diff --git a/revision.h b/revision.h
index bdbdd23..75796bc 100644 (file)
--- a/revision.h
+++ b/revision.h
@@ -60,6 +60,7 @@ struct rev_info {
        struct log_info *loginfo;
        int             nr, total;
        const char      *mime_boundary;
+       const char      *add_signoff;
 
        /* special limits */
        int max_count;