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-rw-r--r--builtin-archive.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/builtin-archive.c b/builtin-archive.c
index 446d6bff30..faf4554d5e 100644
--- a/builtin-archive.c
+++ b/builtin-archive.c
@@ -67,7 +67,7 @@ static const char *format_from_name(const char *filename)
return NULL;
ext++;
if (!strcasecmp(ext, "zip"))
- return "zip";
+ return "--format=zip";
return NULL;
}
@@ -81,7 +81,7 @@ int cmd_archive(int argc, const char **argv, const char *prefix)
const char *exec = "git-upload-archive";
const char *output = NULL;
const char *remote = NULL;
- const char *format = NULL;
+ const char *format_option = NULL;
struct option local_opts[] = {
OPT_STRING('o', "output", &output, "file",
"write the archive to this file"),
@@ -89,33 +89,31 @@ int cmd_archive(int argc, const char **argv, const char *prefix)
"retrieve the archive from remote repository <repo>"),
OPT_STRING(0, "exec", &exec, "cmd",
"path to the remote git-upload-archive command"),
- OPT_STRING(0, "format", &format, "fmt", "archive format"),
OPT_END()
};
- char fmt_opt[32];
argc = parse_options(argc, argv, prefix, local_opts, NULL,
PARSE_OPT_KEEP_ALL);
if (output) {
create_output_file(output);
- if (!format)
- format = format_from_name(output);
+ format_option = format_from_name(output);
}
- if (format) {
- sprintf(fmt_opt, "--format=%s", format);
- /*
- * We have enough room in argv[] to muck it in place,
- * because either --format and/or --output must have
- * been given on the original command line if we get
- * to this point, and parse_options() must have eaten
- * it, i.e. we can add back one element to the array.
- * But argv[] may contain "--"; we should make it the
- * first option.
- */
+ /*
+ * We have enough room in argv[] to muck it in place, because
+ * --output must have been given on the original command line
+ * if we get to this point, and parse_options() must have eaten
+ * it, i.e. we can add back one element to the array.
+ *
+ * We add a fake --format option at the beginning, with the
+ * format inferred from our output filename. This way explicit
+ * --format options can override it, and the fake option is
+ * inserted before any "--" that might have been given.
+ */
+ if (format_option) {
memmove(argv + 2, argv + 1, sizeof(*argv) * argc);
- argv[1] = fmt_opt;
+ argv[1] = format_option;
argv[++argc] = NULL;
}