Merge branch 'jk/status-read-branch-name-fix'

diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 45901df37103f37418d7558adb8ace36c8b56aeb..3626c61da67abbe418e492c7828f6e153f6055d8 100644 (file)
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -11,6 +11,7 @@
 #include "parse-options.h"
 #include "diff.h"
 #include "revision.h"
+#include "split-index.h"
 
 #define DO_REVS                1
 #define DO_NOREV       2
@@ -150,6 +151,7 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
                                error("refname '%s' is ambiguous", name);
                                break;
                        }
+                       free(full);
                } else {
                        show_with_type(type, name);
                }
@@ -277,7 +279,7 @@ static int try_difference(const char *arg)
                        struct commit *a, *b;
                        a = lookup_commit_reference(sha1);
                        b = lookup_commit_reference(end);
-                       exclude = get_merge_bases(a, b, 1);
+                       exclude = get_merge_bases(a, b);
                        while (exclude) {
                                struct commit_list *n = exclude->next;
                                show_rev(REVERSED,
@@ -356,7 +358,7 @@ 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[] = {
-               N_("git rev-parse --parseopt [options] -- [<args>...]"),
+               N_("git rev-parse --parseopt [<options>] -- [<args>...]"),
                NULL
        };
        static struct option parseopt_opts[] = {
@@ -395,9 +397,10 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
                usage[unb++] = strbuf_detach(&sb, NULL);
        }
 
-       /* parse: (<short>|<short>,<long>|<long>)[=?]? SP+ <help> */
+       /* parse: (<short>|<short>,<long>|<long>)[*=?!]*<arghint>? SP+ <help> */
        while (strbuf_getline(&sb, stdin, '\n') != EOF) {
                const char *s;
+               const char *end;
                struct option *o;
 
                if (!sb.len)
@@ -419,6 +422,16 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
                o->value = &parsed;
                o->flags = PARSE_OPT_NOARG;
                o->callback = &parseopt_dump;
+
+               /* Possible argument name hint */
+               end = s;
+               while (s > sb.buf && strchr("*=?!", s[-1]) == NULL)
+                       --s;
+               if (s != sb.buf && s != end)
+                       o->argh = xmemdupz(s, end - s);
+               if (s == sb.buf)
+                       s = end;
+
                while (s > sb.buf && strchr("*=?!", s[-1])) {
                        switch (*--s) {
                        case '=':
@@ -483,9 +496,9 @@ static void die_no_single_rev(int quiet)
 }
 
 static const char builtin_rev_parse_usage[] =
-N_("git rev-parse --parseopt [options] -- [<args>...]\n"
+N_("git rev-parse --parseopt [<options>] -- [<args>...]\n"
    "   or: git rev-parse --sq-quote [<arg>...]\n"
-   "   or: git rev-parse [options] [<arg>...]\n"
+   "   or: git rev-parse [<options>] [<arg>...]\n"
    "\n"
    "Run \"git rev-parse --parseopt -h\" for more information on the first usage.");
 
@@ -495,7 +508,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
        int has_dashdash = 0;
        int output_prefix = 0;
        unsigned char sha1[20];
+       unsigned int flags = 0;
        const char *name = NULL;
+       struct object_context unused;
 
        if (argc > 1 && !strcmp("--parseopt", argv[1]))
                return cmd_parseopt(argc - 1, argv + 1, prefix);
@@ -583,6 +598,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                        }
                        if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
                                quiet = 1;
+                               flags |= GET_SHA1_QUIETLY;
                                continue;
                        }
                        if (!strcmp(arg, "--short") ||
@@ -723,7 +739,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                        }
                        if (!strcmp(arg, "--git-dir")) {
                                const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
-                               static char cwd[PATH_MAX];
+                               char *cwd;
                                int len;
                                if (gitdir) {
                                        puts(gitdir);
@@ -733,10 +749,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                        puts(".git");
                                        continue;
                                }
-                               if (!getcwd(cwd, PATH_MAX))
-                                       die_errno("unable to get current working directory");
+                               cwd = xgetcwd();
                                len = strlen(cwd);
                                printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : "");
+                               free(cwd);
                                continue;
                        }
                        if (!strcmp(arg, "--resolve-git-dir")) {
@@ -764,6 +780,15 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                                : "false");
                                continue;
                        }
+                       if (!strcmp(arg, "--shared-index-path")) {
+                               if (read_cache() < 0)
+                                       die(_("Could not read the index"));
+                               if (the_index.split_index) {
+                                       const unsigned char *sha1 = the_index.split_index->base_sha1;
+                                       puts(git_path("sharedindex.%s", sha1_to_hex(sha1)));
+                               }
+                               continue;
+                       }
                        if (starts_with(arg, "--since=")) {
                                show_datestring("--max-age=", arg+8);
                                continue;
@@ -796,7 +821,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                        name++;
                        type = REVERSED;
                }
-               if (!get_sha1(name, sha1)) {
+               if (!get_sha1_with_context(name, flags, sha1, &unused)) {
                        if (verify)
                                revs_count++;
                        else