[PATCH 23/25] Make builtin-name-rev.c use parse_options.

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Signed-off-by: Pierre Habouzit <madcoder@xxxxxxxxxx>
---
 builtin-name-rev.c |   64 ++++++++++++++++++++-------------------------------
 1 files changed, 25 insertions(+), 39 deletions(-)

diff --git a/builtin-name-rev.c b/builtin-name-rev.c
index 03083e9..a0c89a8 100644
--- a/builtin-name-rev.c
+++ b/builtin-name-rev.c
@@ -3,12 +3,10 @@
 #include "commit.h"
 #include "tag.h"
 #include "refs.h"
+#include "parse-options.h"
 
 #define CUTOFF_DATE_SLOP 86400 /* one day */
 
-static const char name_rev_usage[] =
-	"git-name-rev [--tags | --refs=<pattern>] ( --all | --stdin | committish [committish...] )\n";
-
 typedef struct rev_name {
 	const char *tip_name;
 	int generation;
@@ -153,51 +151,41 @@ static const char* get_rev_name(struct object *o)
 	}
 }
 
+static char const * const name_rev_usage[] = {
+	"git-name-rev [options] ( --all | --stdin | <commit>... )",
+	NULL
+};
+
 int cmd_name_rev(int argc, const char **argv, const char *prefix)
 {
 	struct object_array revs = { 0, 0, NULL };
-	int as_is = 0, all = 0, transform_stdin = 0;
+	int all = 0, transform_stdin = 0;
 	struct name_ref_data data = { 0, 0, NULL };
+	struct option opts[] = {
+		OPT_BOOLEAN(0, "name-only", &data.name_only, "print only names (no SHA-1)"),
+		OPT_BOOLEAN(0, "tags", &data.tags_only, "only use tags to name the commits"),
+		OPT_STRING(0, "refs", &data.ref_filter, "pattern",
+				   "only use refs matching <pattern>"),
+		OPT_GROUP(""),
+		OPT_BOOLEAN(0, "all", &all, "list all commits reachable from all refs"),
+		OPT_BOOLEAN(0, "stdin", &transform_stdin, "read from stdin"),
+		OPT_END(),
+	};
 
 	git_config(git_default_config);
+	argc = parse_options(argc, argv, opts, name_rev_usage, 0);
+	if (!!all + !!transform_stdin + !!argc > 1) {
+		error("Specify either a list, or --all, not both!");
+		usage_with_options(name_rev_usage, opts);
+	}
+	if (all || transform_stdin)
+		cutoff = 0;
 
-	if (argc < 2)
-		usage(name_rev_usage);
-
-	for (--argc, ++argv; argc; --argc, ++argv) {
+	for (; argc; argc--, argv++) {
 		unsigned char sha1[20];
 		struct object *o;
 		struct commit *commit;
 
-		if (!as_is && (*argv)[0] == '-') {
-			if (!strcmp(*argv, "--")) {
-				as_is = 1;
-				continue;
-			} else if (!strcmp(*argv, "--name-only")) {
-				data.name_only = 1;
-				continue;
-			} else if (!strcmp(*argv, "--tags")) {
-				data.tags_only = 1;
-				continue;
-			} else  if (!prefixcmp(*argv, "--refs=")) {
-				data.ref_filter = *argv + 7;
-				continue;
-			} else if (!strcmp(*argv, "--all")) {
-				if (argc > 1)
-					die("Specify either a list, or --all, not both!");
-				all = 1;
-				cutoff = 0;
-				continue;
-			} else if (!strcmp(*argv, "--stdin")) {
-				if (argc > 1)
-					die("Specify either a list, or --stdin, not both!");
-				transform_stdin = 1;
-				cutoff = 0;
-				continue;
-			}
-			usage(name_rev_usage);
-		}
-
 		if (get_sha1(*argv, sha1)) {
 			fprintf(stderr, "Could not get sha1 for %s. Skipping.\n",
 					*argv);
@@ -212,10 +200,8 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix)
 		}
 
 		commit = (struct commit *)o;
-
 		if (cutoff > commit->date)
 			cutoff = commit->date;
-
 		add_object_array((struct object *)commit, *argv, &revs);
 	}
 
-- 
1.5.3.4.1231.g62b9a

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