Test git-patch-id

diff --git a/builtin-log.c b/builtin-log.c
index c1e2c6a4c53a7b1b40f3868a0288a6be4c7cb247..2ae39afccdc1978141fe4cc4453befa632ecaadf 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -545,6 +545,7 @@ static const char *get_oneline_for_filename(struct commit *commit,
 
 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)
 {
@@ -571,7 +572,7 @@ static int reopen_stdout(const char *oneline, int nr, int total)
                strcpy(filename + len, fmt_patch_suffix);
        }
 
-       fprintf(realstdout, "%s\n", filename);
+       fprintf(realstdout, "%s\n", filename + outdir_offset);
        if (freopen(filename, "w", stdout) == NULL)
                return error("Cannot open patch file %s",filename);
 
@@ -732,6 +733,27 @@ static const char *clean_message_id(const char *msg_id)
        return xmemdupz(a, z - a);
 }
 
+static const char *set_outdir(const char *prefix, const char *output_directory)
+{
+       if (output_directory && is_absolute_path(output_directory))
+               return output_directory;
+
+       if (!prefix || !*prefix) {
+               if (output_directory)
+                       return output_directory;
+               /* The user did not explicitly ask for "./" */
+               outdir_offset = 2;
+               return "./";
+       }
+
+       outdir_offset = strlen(prefix);
+       if (!output_directory)
+               return prefix;
+
+       return xstrdup(prefix_filename(prefix, outdir_offset,
+                                      output_directory));
+}
+
 int cmd_format_patch(int argc, const char **argv, const char *prefix)
 {
        struct commit *commit;
@@ -909,8 +931,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)
                DIFF_OPT_SET(&rev.diffopt, BINARY);
 
-       if (!output_directory && !use_stdout)
-               output_directory = prefix;
+       if (!use_stdout)
+               output_directory = set_outdir(prefix, output_directory);
 
        if (output_directory) {
                if (use_stdout)
@@ -936,6 +958,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                 * get_revision() to do the usual traversal.
                 */
        }
+
+       /*
+        * We cannot move this anywhere earlier because we do want to
+        * know if --root was given explicitly from the comand line.
+        */
+       rev.show_root_diff = 1;
+
        if (cover_letter) {
                /* remember the range */
                int i;