real_path_internal(): add comment explaining use of cwd

diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 47b4e7adb956517c22edc580892d63a99d9f219a..f267a1d3b57c1f1ab44c83a197f46051f4f13060 100644 (file)
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -195,6 +195,12 @@ static int anti_reference(const char *refname, const unsigned char *sha1, int fl
        return 0;
 }
 
+static int show_abbrev(const unsigned char *sha1, void *cb_data)
+{
+       show_rev(NORMAL, sha1, NULL);
+       return 0;
+}
+
 static void show_datestring(const char *flag, const char *datestr)
 {
        static char buffer[100];
@@ -250,7 +256,7 @@ static int try_difference(const char *arg)
                return 0;
        }
 
-       if (!get_sha1(this, sha1) && !get_sha1(next, end)) {
+       if (!get_sha1_committish(this, sha1) && !get_sha1_committish(next, end)) {
                show_rev(NORMAL, end, next);
                show_rev(symmetric ? NORMAL : REVERSED, sha1, this);
                if (symmetric) {
@@ -290,7 +296,7 @@ static int try_parent_shorthands(const char *arg)
                return 0;
 
        *dotdot = 0;
-       if (get_sha1(arg, sha1))
+       if (get_sha1_committish(arg, sha1))
                return 0;
 
        if (!parents_only)
@@ -330,15 +336,15 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
 {
        static int keep_dashdash = 0, stop_at_non_option = 0;
        static char const * const parseopt_usage[] = {
-               "git rev-parse --parseopt [options] -- [<args>...]",
+               N_("git rev-parse --parseopt [options] -- [<args>...]"),
                NULL
        };
        static struct option parseopt_opts[] = {
                OPT_BOOLEAN(0, "keep-dashdash", &keep_dashdash,
-                                       "keep the `--` passed as an arg"),
+                                       N_("keep the `--` passed as an arg")),
                OPT_BOOLEAN(0, "stop-at-non-option", &stop_at_non_option,
-                                       "stop parsing after the "
-                                       "first non-option argument"),
+                                       N_("stop parsing after the "
+                                          "first non-option argument")),
                OPT_END(),
        };
 
@@ -455,11 +461,11 @@ static void die_no_single_rev(int quiet)
 }
 
 static const char builtin_rev_parse_usage[] =
-"git rev-parse --parseopt [options] -- [<args>...]\n"
-"   or: git rev-parse --sq-quote [<arg>...]\n"
-"   or: git rev-parse [options] [<arg>...]\n"
-"\n"
-"Run \"git rev-parse --parseopt -h\" for more information on the first usage.";
+N_("git rev-parse --parseopt [options] -- [<args>...]\n"
+   "   or: git rev-parse --sq-quote [<arg>...]\n"
+   "   or: git rev-parse [options] [<arg>...]\n"
+   "\n"
+   "Run \"git rev-parse --parseopt -h\" for more information on the first usage.");
 
 int cmd_rev_parse(int argc, const char **argv, const char *prefix)
 {
@@ -601,6 +607,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                for_each_ref(show_reference, NULL);
                                continue;
                        }
+                       if (!prefixcmp(arg, "--disambiguate=")) {
+                               for_each_abbrev(arg + 15, show_abbrev, NULL);
+                               continue;
+                       }
                        if (!strcmp(arg, "--bisect")) {
                                for_each_ref_in("refs/bisect/bad", show_reference, NULL);
                                for_each_ref_in("refs/bisect/good", anti_reference, NULL);