reset: add test cases for "--keep" option

diff --git a/builtin-describe.c b/builtin-describe.c
index 504d9b120976e7d65d4a229b251e1a006c69e715..71be2a9364748668996696f6c74057dba43315b5 100644 (file)
--- a/builtin-describe.c
+++ b/builtin-describe.c
@@ -5,12 +5,14 @@
 #include "builtin.h"
 #include "exec_cmd.h"
 #include "parse-options.h"
+#include "diff.h"
 
 #define SEEN           (1u<<0)
 #define MAX_TAGS       (FLAG_BITS - 1)
 
 static const char * const describe_usage[] = {
        "git describe [options] <committish>*",
+       "git describe [options] --dirty",
        NULL
 };
 
@@ -23,6 +25,13 @@ static int max_candidates = 10;
 static int found_names;
 static const char *pattern;
 static int always;
+static const char *dirty;
+
+/* diff-index command arguments to check if working tree is dirty. */
+static const char *diff_index_args[] = {
+       "diff-index", "--quiet", "HEAD", "--", NULL
+};
+
 
 struct commit_name {
        struct tag *tag;
@@ -191,13 +200,15 @@ static void describe(const char *arg, int last_one)
                die("%s is not a valid '%s' object", arg, commit_type);
 
        n = cmit->util;
-       if (n) {
+       if (n && (tags || all || n->prio == 2)) {
                /*
                 * Exact match to an existing ref.
                 */
                display_name(n);
                if (longformat)
                        show_suffix(0, n->tag ? n->tag->tagged->sha1 : sha1);
+               if (dirty)
+                       printf("%s", dirty);
                printf("\n");
                return;
        }
@@ -257,7 +268,10 @@ static void describe(const char *arg, int last_one)
        if (!match_cnt) {
                const unsigned char *sha1 = cmit->object.sha1;
                if (always) {
-                       printf("%s\n", find_unique_abbrev(sha1, abbrev));
+                       printf("%s", find_unique_abbrev(sha1, abbrev));
+                       if (dirty)
+                               printf("%s", dirty);
+                       printf("\n");
                        return;
                }
                if (unannotated_cnt)
@@ -299,6 +313,8 @@ static void describe(const char *arg, int last_one)
        display_name(all_matches[0].name);
        if (abbrev)
                show_suffix(all_matches[0].depth, cmit->object.sha1);
+       if (dirty)
+               printf("%s", dirty);
        printf("\n");
 
        if (!last_one)
@@ -323,6 +339,9 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                           "only consider tags matching <pattern>"),
                OPT_BOOLEAN(0, "always",     &always,
                           "show abbreviated commit object as fallback"),
+               {OPTION_STRING, 0, "dirty",  &dirty, "mark",
+                          "append <mark> on dirty working tree (default: \"-dirty\")",
+                PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"},
                OPT_END(),
        };
 
@@ -363,7 +382,11 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                die("No names found, cannot describe anything.");
 
        if (argc == 0) {
+               if (dirty && !cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1, diff_index_args, prefix))
+                       dirty = NULL;
                describe("HEAD", 1);
+       } else if (dirty) {
+               die("--dirty is incompatible with committishes");
        } else {
                while (argc-- > 0) {
                        describe(*argv++, argc == 0);