[PATCH] fixup: clarify TAG_FLAG_ID_ONLY comments and name

[david@tethera.net]

From: David Bremner <bremner@debian.org>

---

After some chatter on IRC, Mark and I converged to the following 
 
 notmuch-restore.c |    2 +-
 tag-util.c        |    2 +-
 tag-util.h        |    6 ++++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/notmuch-restore.c b/notmuch-restore.c
index 112f2f3..1b66e76 100644
--- a/notmuch-restore.c
+++ b/notmuch-restore.c
@@ -208,7 +208,7 @@ notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
 	if (input_format == DUMP_FORMAT_SUP) {
 	    ret = parse_sup_line (ctx, line, &query_string, tag_ops);
 	} else {
-	    ret = parse_tag_line (ctx, line, TAG_FLAG_BE_GENEROUS | TAG_FLAG_ID_ONLY,
+	    ret = parse_tag_line (ctx, line, TAG_FLAG_BE_GENEROUS | TAG_FLAG_ID_DIRECT,
 				  &query_string, tag_ops);
 	}
 
diff --git a/tag-util.c b/tag-util.c
index 8fea76c..37bffd5 100644
--- a/tag-util.c
+++ b/tag-util.c
@@ -201,7 +201,7 @@ parse_tag_line (void *ctx, char *line,
     }
 
     /* tok now points to the query string */
-    if (flags & TAG_FLAG_ID_ONLY) {
+    if (flags & TAG_FLAG_ID_DIRECT) {
 	/* this is under the assumption that any whitespace in the
 	 * message-id must be hex-encoded. The check is probably not
 	 * perfect for exotic unicode whitespace; as fallback the
diff --git a/tag-util.h b/tag-util.h
index 7674051..eec00cf 100644
--- a/tag-util.h
+++ b/tag-util.h
@@ -28,8 +28,10 @@ typedef enum {
      */
     TAG_FLAG_BE_GENEROUS = (1 << 3),
 
-    /* Query consists of a single id:$message-id */
-    TAG_FLAG_ID_ONLY = (1 << 4)
+    /* Directly look up messages by hex-decoded message-id, rather
+     * than parsing a general query. The query MUST be of the form
+     * id:$message-id. */
+    TAG_FLAG_ID_DIRECT = (1 << 4)
 
 } tag_op_flag_t;
 
-- 
1.7.10.4