[PATCH 4/5] commit: allow --pretty= args to be abbreviated

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Signed-off-by: Eric Wong <normalperson@xxxxxxxx>

---

 commit.c |   42 +++++++++++++++++++++++++++++-------------
 1 files changed, 29 insertions(+), 13 deletions(-)

b6190a2b46acc250277fd55e33e0a7216b7fad75
diff --git a/commit.c b/commit.c
index 2343729..a786371 100644
--- a/commit.c
+++ b/commit.c
@@ -22,23 +22,39 @@ struct sort_node
 
 const char *commit_type = "commit";
 
+struct cmt_fmt_map {
+	const char *n;
+	enum cmit_fmt v;
+} cmt_fmts[] = {
+	{ "raw",	CMIT_FMT_RAW },
+	{ "medium",	CMIT_FMT_MEDIUM },
+	{ "short",	CMIT_FMT_SHORT },
+	{ "full",	CMIT_FMT_FULL },
+	{ "fuller",	CMIT_FMT_FULLER },
+	{ "oneline",	CMIT_FMT_ONELINE },
+};
+
 enum cmit_fmt get_commit_format(const char *arg)
 {
+	int i, found = -1;
 	if (!arg)
 		return CMIT_FMT_DEFAULT;
-	if (!strcmp(arg, "raw"))
-		return CMIT_FMT_RAW;
-	if (!strcmp(arg, "medium"))
-		return CMIT_FMT_MEDIUM;
-	if (!strcmp(arg, "short"))
-		return CMIT_FMT_SHORT;
-	if (!strcmp(arg, "full"))
-		return CMIT_FMT_FULL;
-	if (!strcmp(arg, "fuller"))
-		return CMIT_FMT_FULLER;
-	if (!strcmp(arg, "oneline"))
-		return CMIT_FMT_ONELINE;
-	die("invalid --pretty format");
+	for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
+		if (!strcmp(arg, cmt_fmts[i].n))
+			return cmt_fmts[i].v;
+	}
+
+	/* look for abbreviations */
+	for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
+		if (strstr(cmt_fmts[i].n, arg)) {
+			if (found >= 0)
+				die("invalid --pretty format: %s", arg);
+			found = i;
+		}
+	}
+	if (found >= 0)
+		return cmt_fmts[found].v;
+	die("invalid --pretty format: %s", arg);
 }
 
 static struct commit *check_commit(struct object *obj,
-- 
1.3.2.g102e322

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