Merge branch 'nd/magic-pathspec'

Use "struct pathspec" interface in more places, instead of array of
characters, the latter of which cannot express magic pathspecs
(e.g. ":(icase)makefile" that matches both Makefile and makefile).

* nd/magic-pathspec:
  add: lift the pathspec magic restriction on "add -p"
  pathspec: catch prepending :(prefix) on pathspec with short magic

Author: gitster

builtin/add.c

@@ -270,13 +270,7 @@ int interactive_add(int argc, const char **argv, const char *prefix, int patch)
 {
 	struct pathspec pathspec;
 
-	/*
-	 * git-add--interactive itself does not parse pathspec. It
-	 * simply passes the pathspec to other builtin commands. Let's
-	 * hope all of them support all magic, or we'll need to limit
-	 * the magic here.
-	 */
-	parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC & ~PATHSPEC_FROMTOP,
+	parse_pathspec(&pathspec, 0,
 		       PATHSPEC_PREFER_FULL |
 		       PATHSPEC_SYMLINK_LEADING_PATH |
 		       PATHSPEC_PREFIX_ORIGIN,

builtin/checkout.c

@@ -1146,13 +1146,6 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 	}
 
 	if (argc) {
-		/*
-		 * In patch mode (opts.patch_mode != 0), we pass the
-		 * pathspec to an external program, git-add--interactive.
-		 * Do not accept any kind of magic that that program
-		 * cannot handle. Magic mask is pretty safe to be
-		 * lifted for new magic when opts.patch_mode == 0.
-		 */
 		parse_pathspec(&opts.pathspec, 0,
 			       opts.patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0,
 			       prefix, argv);

pathspec.c

@@ -231,7 +231,9 @@ static unsigned prefix_pathspec(struct pathspec_item *item,
 		const char *start = elt;
 		if (prefixlen && !literal_global) {
 			/* Preserve the actual prefix length of each pattern */
-			if (long_magic_end) {
+			if (short_magic)
+				die("BUG: prefixing on short magic is not supported");
+			else if (long_magic_end) {
 				strbuf_add(&sb, start, long_magic_end - start);
 				strbuf_addf(&sb, ",prefix:%d", prefixlen);
 				start = long_magic_end;

pathspec.h

@@ -14,7 +14,7 @@
 	 PATHSPEC_GLOB		| \
 	 PATHSPEC_ICASE)
 
-#define PATHSPEC_ONESTAR 1	/* the pathspec pattern sastisfies GFNM_ONESTAR */
+#define PATHSPEC_ONESTAR 1	/* the pathspec pattern satisfies GFNM_ONESTAR */
 
 struct pathspec {
 	const char **_raw; /* get_pathspec() result, not freed by free_pathspec() */