parse-opt: add PARSE_OPT_KEEP_ARGV0 parser option.

diff --git a/hash-object.c b/hash-object.c
index 18f5017f51bcac5798e959991be37c7cd6d70528..48d522368454d2663d5cc075045d87f120058ced 100644 (file)
--- a/hash-object.c
+++ b/hash-object.c
@@ -6,6 +6,7 @@
  */
 #include "cache.h"
 #include "blob.h"
+#include "quote.h"
 
 static void hash_object(const char *path, enum object_type type, int write_object)
 {
@@ -20,6 +21,7 @@ static void hash_object(const char *path, enum object_type type, int write_objec
                    ? "Unable to add %s to database"
                    : "Unable to hash %s", path);
        printf("%s\n", sha1_to_hex(sha1));
+       maybe_flush_or_die(stdout, "hash to stdout");
 }
 
 static void hash_stdin(const char *type, int write_object)
@@ -30,8 +32,27 @@ static void hash_stdin(const char *type, int write_object)
        printf("%s\n", sha1_to_hex(sha1));
 }
 
+static void hash_stdin_paths(const char *type, int write_objects)
+{
+       struct strbuf buf, nbuf;
+
+       strbuf_init(&buf, 0);
+       strbuf_init(&nbuf, 0);
+       while (strbuf_getline(&buf, stdin, '\n') != EOF) {
+               if (buf.buf[0] == '"') {
+                       strbuf_reset(&nbuf);
+                       if (unquote_c_style(&nbuf, buf.buf, NULL))
+                               die("line is badly quoted");
+                       strbuf_swap(&buf, &nbuf);
+               }
+               hash_object(buf.buf, type_from_string(type), write_objects);
+       }
+       strbuf_release(&buf);
+       strbuf_release(&nbuf);
+}
+
 static const char hash_object_usage[] =
-"git-hash-object [-t <type>] [-w] [--stdin] <file>...";
+"git-hash-object [ [-t <type>] [-w] [--stdin] <file>... | --stdin-paths < <list-of-paths> ]";
 
 int main(int argc, char **argv)
 {
@@ -41,6 +62,10 @@ int main(int argc, char **argv)
        const char *prefix = NULL;
        int prefix_length = -1;
        int no_more_flags = 0;
+       int hashstdin = 0;
+       int stdin_paths = 0;
+
+       git_config(git_default_config, NULL);
 
        for (i = 1 ; i < argc; i++) {
                if (!no_more_flags && argv[i][0] == '-') {
@@ -62,14 +87,38 @@ int main(int argc, char **argv)
                        }
                        else if (!strcmp(argv[i], "--help"))
                                usage(hash_object_usage);
+                       else if (!strcmp(argv[i], "--stdin-paths")) {
+                               if (hashstdin) {
+                                       error("Can't use --stdin-paths with --stdin");
+                                       usage(hash_object_usage);
+                               }
+                               stdin_paths = 1;
+
+                       }
                        else if (!strcmp(argv[i], "--stdin")) {
-                               hash_stdin(type, write_object);
+                               if (stdin_paths) {
+                                       error("Can't use %s with --stdin-paths", argv[i]);
+                                       usage(hash_object_usage);
+                               }
+                               if (hashstdin)
+                                       die("Multiple --stdin arguments are not supported");
+                               hashstdin = 1;
                        }
                        else
                                usage(hash_object_usage);
                }
                else {
                        const char *arg = argv[i];
+
+                       if (stdin_paths) {
+                               error("Can't specify files (such as \"%s\") with --stdin-paths", arg);
+                               usage(hash_object_usage);
+                       }
+
+                       if (hashstdin) {
+                               hash_stdin(type, write_object);
+                               hashstdin = 0;
+                       }
                        if (0 <= prefix_length)
                                arg = prefix_filename(prefix, prefix_length,
                                                      arg);
@@ -77,5 +126,11 @@ int main(int argc, char **argv)
                        no_more_flags = 1;
                }
        }
+
+       if (stdin_paths)
+               hash_stdin_paths(type, write_object);
+
+       if (hashstdin)
+               hash_stdin(type, write_object);
        return 0;
 }