git-rebase: use canonical A..B syntax to format-patch

diff --git a/log-tree.c b/log-tree.c
index 1ca529d9fefed0d3284c26f5c1503c35ef250779..7e23e42788986257b9c108bcd340460a60a0cf88 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -3,6 +3,15 @@
 #include "commit.h"
 #include "log-tree.h"
 
+static void show_parents(struct commit *commit, int abbrev)
+{
+       struct commit_list *p;
+       for (p = commit->parents; p ; p = p->next) {
+               struct commit *parent = p->item;
+               printf(" %s", diff_unique_abbrev(parent->object.sha1, abbrev));
+       }
+}
+
 void show_log(struct rev_info *opt, struct log_info *log, const char *sep)
 {
        static char this_header[16384];
@@ -11,11 +20,14 @@ void show_log(struct rev_info *opt, struct log_info *log, const char *sep)
        int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40;
        const char *extra;
        int len;
-       char* subject = NULL;
+       char *subject = NULL, *after_subject = NULL;
 
        opt->loginfo = NULL;
        if (!opt->verbose_header) {
-               puts(sha1_to_hex(commit->object.sha1));
+               fputs(diff_unique_abbrev(commit->object.sha1, abbrev_commit), stdout);
+               if (opt->parents)
+                       show_parents(commit, abbrev_commit);
+               putchar('\n');
                return;
        }
 
@@ -40,20 +52,54 @@ void show_log(struct rev_info *opt, struct log_info *log, const char *sep)
         */
 
        if (opt->commit_format == CMIT_FMT_EMAIL) {
+               char *sha1 = sha1_to_hex(commit->object.sha1);
                if (opt->total > 0) {
                        static char buffer[64];
                        snprintf(buffer, sizeof(buffer),
                                        "Subject: [PATCH %d/%d] ",
                                        opt->nr, opt->total);
                        subject = buffer;
-               } else
+               } else if (opt->total == 0)
                        subject = "Subject: [PATCH] ";
-               printf("From %s  Thu Apr 7 15:13:13 2005\n",
-                      sha1_to_hex(commit->object.sha1));
+               else
+                       subject = "Subject: ";
+
+               printf("From %s Mon Sep 17 00:00:00 2001\n", sha1);
+               if (opt->mime_boundary) {
+                       static char subject_buffer[1024];
+                       static char buffer[1024];
+                       snprintf(subject_buffer, sizeof(subject_buffer) - 1,
+                                "MIME-Version: 1.0\n"
+                                "Content-Type: multipart/mixed;\n"
+                                " boundary=\"%s%s\"\n"
+                                "\n"
+                                "This is a multi-part message in MIME "
+                                "format.\n"
+                                "--%s%s\n"
+                                "Content-Type: text/plain; "
+                                "charset=UTF-8; format=fixed\n"
+                                "Content-Transfer-Encoding: 8bit\n\n",
+                                mime_boundary_leader, opt->mime_boundary,
+                                mime_boundary_leader, opt->mime_boundary);
+                       after_subject = subject_buffer;
+
+                       snprintf(buffer, sizeof(buffer) - 1,
+                                "--%s%s\n"
+                                "Content-Type: text/x-patch;\n"
+                                " name=\"%s.diff\"\n"
+                                "Content-Transfer-Encoding: 8bit\n"
+                                "Content-Disposition: inline;\n"
+                                " filename=\"%s.diff\"\n\n",
+                                mime_boundary_leader, opt->mime_boundary,
+                                sha1, sha1);
+                       opt->diffopt.stat_sep = buffer;
+               }
        } else {
                printf("%s%s",
                       opt->commit_format == CMIT_FMT_ONELINE ? "" : "commit ",
                       diff_unique_abbrev(commit->object.sha1, abbrev_commit));
+               if (opt->parents)
+                       show_parents(commit, abbrev_commit);
                if (parent) 
                        printf(" (from %s)",
                               diff_unique_abbrev(parent->object.sha1,
@@ -64,7 +110,7 @@ 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);
+       len = pretty_print_commit(opt->commit_format, commit, ~0u, this_header, sizeof(this_header), abbrev, subject, after_subject);
        printf("%s%s%s", this_header, extra, sep);
 }