[PATCH v4 15/16] pathspec: small readability changes

[Brandon Williams <bmwill@google.com>]

A few small changes to improve readability.  This is done by grouping related
assignments, adding blank lines, ensuring lines are <80 characters, and
adding additional comments.

Signed-off-by: Brandon Williams <bmwill@google.com>
---
 pathspec.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/pathspec.c b/pathspec.c
index 4a1f8ea44..ae9e1401f 100644
--- a/pathspec.c
+++ b/pathspec.c
@@ -67,11 +67,11 @@ static struct pathspec_magic {
 	char mnemonic; /* this cannot be ':'! */
 	const char *name;
 } pathspec_magic[] = {
-	{ PATHSPEC_FROMTOP, '/', "top" },
-	{ PATHSPEC_LITERAL,   0, "literal" },
-	{ PATHSPEC_GLOB,   '\0', "glob" },
-	{ PATHSPEC_ICASE,  '\0', "icase" },
-	{ PATHSPEC_EXCLUDE, '!', "exclude" },
+	{ PATHSPEC_FROMTOP,  '/', "top" },
+	{ PATHSPEC_LITERAL, '\0', "literal" },
+	{ PATHSPEC_GLOB,    '\0', "glob" },
+	{ PATHSPEC_ICASE,   '\0', "icase" },
+	{ PATHSPEC_EXCLUDE,  '!', "exclude" },
 };
 
 static void prefix_magic(struct strbuf *sb, int prefixlen, unsigned magic)
@@ -336,6 +336,7 @@ static unsigned prefix_pathspec(struct pathspec_item *item, unsigned flags,
 	if ((magic & PATHSPEC_LITERAL) && (magic & PATHSPEC_GLOB))
 		die(_("%s: 'literal' and 'glob' are incompatible"), elt);
 
+	/* Create match string which will be used for pathspec matching */
 	if (pathspec_prefix >= 0) {
 		match = xstrdup(copyfrom);
 		prefixlen = pathspec_prefix;
@@ -343,11 +344,16 @@ static unsigned prefix_pathspec(struct pathspec_item *item, unsigned flags,
 		match = xstrdup(copyfrom);
 		prefixlen = 0;
 	} else {
-		match = prefix_path_gently(prefix, prefixlen, &prefixlen, copyfrom);
+		match = prefix_path_gently(prefix, prefixlen,
+					   &prefixlen, copyfrom);
 		if (!match)
 			die(_("%s: '%s' is outside repository"), elt, copyfrom);
 	}
+
 	item->match = match;
+	item->len = strlen(item->match);
+	item->prefix = prefixlen;
+
 	/*
 	 * Prefix the pathspec (keep all magic) and assign to
 	 * original. Useful for passing to another command.
@@ -364,8 +370,6 @@ static unsigned prefix_pathspec(struct pathspec_item *item, unsigned flags,
 	} else {
 		item->original = xstrdup(elt);
 	}
-	item->len = strlen(item->match);
-	item->prefix = prefixlen;
 
 	if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP)
 		strip_submodule_slash_cheap(item);
@@ -373,13 +377,14 @@ static unsigned prefix_pathspec(struct pathspec_item *item, unsigned flags,
 	if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE)
 		strip_submodule_slash_expensive(item);
 
-	if (magic & PATHSPEC_LITERAL)
+	if (magic & PATHSPEC_LITERAL) {
 		item->nowildcard_len = item->len;
-	else {
+	} else {
 		item->nowildcard_len = simple_length(item->match);
 		if (item->nowildcard_len < prefixlen)
 			item->nowildcard_len = prefixlen;
 	}
+
 	item->flags = 0;
 	if (magic & PATHSPEC_GLOB) {
 		/*
-- 
2.11.0.390.gc69c2f50cf-goog