fmt-patch: understand old <his> notation

[git.git] / log-tree.c

diff --git a/log-tree.c b/log-tree.c
index aaf2b94..526d578 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];
@@ -11,10 +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;
 
        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;
        }
 
@@ -38,13 +51,26 @@ void show_log(struct rev_info *opt, struct log_info *log, const char *sep)
         * Print header line of header..
         */
 
-       if (opt->commit_format == CMIT_FMT_EMAIL)
+       if (opt->commit_format == CMIT_FMT_EMAIL) {
+               if (opt->total > 0) {
+                       static char buffer[64];
+                       snprintf(buffer, sizeof(buffer),
+                                       "Subject: [PATCH %d/%d] ",
+                                       opt->nr, opt->total);
+                       subject = buffer;
+               } else if (opt->total == 0)
+                       subject = "Subject: [PATCH] ";
+               else
+                       subject = "Subject: ";
+
                printf("From %s  Thu Apr 7 15:13:13 2005\n",
                       sha1_to_hex(commit->object.sha1));
-       else {
+       } 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,
@@ -55,7 +81,7 @@ 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);
+       len = pretty_print_commit(opt->commit_format, commit, ~0u, this_header, sizeof(this_header), abbrev, subject);
        printf("%s%s%s", this_header, extra, sep);
 }