X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=ls-tree.c;h=26258c3cf99c9eec522ea1a13a2ded3beb93e171;hb=65b5e41e24dd76e9cc272399f458857d5b13d63e;hp=d005643ee08e03be2309c02e72522c6a81e8a1c6;hpb=36b5b3c65948694d9a92de5a17f2b97c3cd84879;p=git.git

diff --git a/ls-tree.c b/ls-tree.c
index d005643e..26258c3c 100644
--- a/ls-tree.c
+++ b/ls-tree.c
@@ -13,13 +13,14 @@ static int line_termination = '\n';
 #define LS_TREE_ONLY 2
 #define LS_SHOW_TREES 4
 #define LS_NAME_ONLY 8
+static int abbrev = 0;
 static int ls_options = 0;
 const char **pathspec;
 static int chomp_prefix = 0;
 static const char *prefix;
 
 static const char ls_tree_usage[] =
-	"git-ls-tree [-d] [-r] [-t] [-z] [--name-only] [--name-status] [--full-name] <tree-ish> [path...]";
+	"git-ls-tree [-d] [-r] [-t] [-z] [--name-only] [--name-status] [--full-name] [--abbrev[=<n>]] <tree-ish> [path...]";
 
 static int show_recursive(const char *base, int baselen, const char *pathname)
 {
@@ -73,7 +74,9 @@ static int show_tree(unsigned char *sha1, const char *base, int baselen,
 		return 0;
 
 	if (!(ls_options & LS_NAME_ONLY))
-		printf("%06o %s %s\t", mode, type, sha1_to_hex(sha1));
+		printf("%06o %s %s\t", mode, type,
+				abbrev ? find_unique_abbrev(sha1,abbrev)
+					: sha1_to_hex(sha1));
 	write_name_quoted(base + chomp_prefix, baselen - chomp_prefix,
 			  pathname,
 			  line_termination, stdout);
@@ -87,6 +90,7 @@ int main(int argc, const char **argv)
 	struct tree *tree;
 
 	prefix = setup_git_directory();
+	git_config(git_default_config);
 	if (prefix && *prefix)
 		chomp_prefix = strlen(prefix);
 	while (1 < argc && argv[1][0] == '-') {
@@ -113,6 +117,18 @@ int main(int argc, const char **argv)
 				chomp_prefix = 0;
 				break;
 			}
+			if (!strncmp(argv[1]+2, "abbrev=",7)) {
+				abbrev = strtoul(argv[1]+9, NULL, 10);
+				if (abbrev && abbrev < MINIMUM_ABBREV)
+					abbrev = MINIMUM_ABBREV;
+				else if (abbrev > 40)
+					abbrev = 40;
+				break;
+			}
+			if (!strcmp(argv[1]+2, "abbrev")) {
+				abbrev = DEFAULT_ABBREV;
+				break;
+			}
 			/* otherwise fallthru */
 		default:
 			usage(ls_tree_usage);