Makefile: fix shell quoting

diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 1ae086ad1761e08a522138bf843c2ef1bb9c192f..a7860ed75ac4a7b1895bfe088e34a39b24448f57 100644 (file)
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -28,8 +28,6 @@ static int symbolic;
 static int abbrev;
 static int output_sq;
 
-static int revs_count;
-
 /*
  * Some arguments are relevant "revision" arguments,
  * others are about output format or other details.
@@ -110,7 +108,6 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
        if (!(filter & DO_REVS))
                return;
        def = NULL;
-       revs_count++;
 
        if (symbolic && name) {
                if (symbolic == SHOW_SYMBOLIC_FULL) {
@@ -156,7 +153,7 @@ static int show_flag(const char *arg)
        return 0;
 }
 
-static void show_default(void)
+static int show_default(void)
 {
        const char *s = def;
 
@@ -166,9 +163,10 @@ static void show_default(void)
                def = NULL;
                if (!get_sha1(s, sha1)) {
                        show_rev(NORMAL, sha1, s);
-                       return;
+                       return 1;
                }
        }
+       return 0;
 }
 
 static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
@@ -328,18 +326,24 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
                o->type = OPTION_CALLBACK;
                o->help = xstrdup(skipspaces(s));
                o->value = &parsed;
+               o->flags = PARSE_OPT_NOARG;
                o->callback = &parseopt_dump;
-               switch (s[-1]) {
-               case '=':
-                       s--;
-                       break;
-               case '?':
-                       o->flags = PARSE_OPT_OPTARG;
-                       s--;
-                       break;
-               default:
-                       o->flags = PARSE_OPT_NOARG;
-                       break;
+               while (s > sb.buf && strchr("*=?!", s[-1])) {
+                       switch (*--s) {
+                       case '=':
+                               o->flags &= ~PARSE_OPT_NOARG;
+                               break;
+                       case '?':
+                               o->flags &= ~PARSE_OPT_NOARG;
+                               o->flags |= PARSE_OPT_OPTARG;
+                               break;
+                       case '!':
+                               o->flags |= PARSE_OPT_NONEG;
+                               break;
+                       case '*':
+                               o->flags |= PARSE_OPT_HIDDEN;
+                               break;
+                       }
                }
 
                if (s - sb.buf == 1) /* short option only */
@@ -365,16 +369,25 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
        return 0;
 }
 
+static void die_no_single_rev(int quiet)
+{
+       if (quiet)
+               exit(1);
+       else
+               die("Needed a single revision");
+}
+
 int cmd_rev_parse(int argc, const char **argv, const char *prefix)
 {
-       int i, as_is = 0, verify = 0;
+       int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
        unsigned char sha1[20];
+       const char *name = NULL;
 
        if (argc > 1 && !strcmp("--parseopt", argv[1]))
                return cmd_parseopt(argc - 1, argv + 1, prefix);
 
        prefix = setup_git_directory();
-       git_config(git_default_config);
+       git_config(git_default_config, NULL);
        for (i = 1; i < argc; i++) {
                const char *arg = argv[i];
 
@@ -432,6 +445,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                verify = 1;
                                continue;
                        }
+                       if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
+                               quiet = 1;
+                               continue;
+                       }
                        if (!strcmp(arg, "--short") ||
                            !prefixcmp(arg, "--short=")) {
                                filter &= ~(DO_FLAGS|DO_NOREV);
@@ -549,30 +566,41 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                continue;
                        }
                        if (show_flag(arg) && verify)
-                               die("Needed a single revision");
+                               die_no_single_rev(quiet);
                        continue;
                }
 
                /* Not a flag argument */
                if (try_difference(arg))
                        continue;
-               if (!get_sha1(arg, sha1)) {
-                       show_rev(NORMAL, sha1, arg);
-                       continue;
+               name = arg;
+               type = NORMAL;
+               if (*arg == '^') {
+                       name++;
+                       type = REVERSED;
                }
-               if (*arg == '^' && !get_sha1(arg+1, sha1)) {
-                       show_rev(REVERSED, sha1, arg+1);
+               if (!get_sha1(name, sha1)) {
+                       if (verify)
+                               revs_count++;
+                       else
+                               show_rev(type, sha1, name);
                        continue;
                }
+               if (verify)
+                       die_no_single_rev(quiet);
                as_is = 1;
                if (!show_file(arg))
                        continue;
-               if (verify)
-                       die("Needed a single revision");
                verify_filename(prefix, arg);
        }
-       show_default();
-       if (verify && revs_count != 1)
-               die("Needed a single revision");
+       if (verify) {
+               if (revs_count == 1) {
+                       show_rev(type, sha1, name);
+                       return 0;
+               } else if (revs_count == 0 && show_default())
+                       return 0;
+               die_no_single_rev(quiet);
+       } else
+               show_default();
        return 0;
 }