[PATCH] gitweb: Factor out gitweb_have_snapshot()

[Luben Tuikov <ltuikov@yahoo.com>]

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Create gitweb_have_snapshot() which returns true
of snapshot is available and enabled, else false.

Signed-off-by: Luben Tuikov <ltuikov@yahoo.com>
---
 gitweb/gitweb.perl |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

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diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index f3f22c2..a2f07cc 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -155,6 +155,13 @@ sub feature_snapshot {
 	return ($ctype, $suffix, $command);
 }
 
+sub gitweb_have_snapshot {
+	my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
+	my $have_snapshot = (defined $ctype && defined $suffix);
+
+	return $have_snapshot;
+}
+
 # To enable system wide have in $GITWEB_CONFIG
 # $feature{'pickaxe'}{'default'} = [1];
 # To have project specific config enable override in $GITWEB_CONFIG
@@ -2736,8 +2743,7 @@ sub git_blob {
 }
 
 sub git_tree {
-	my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
-	my $have_snapshot = (defined $ctype && defined $suffix);
+	my $have_snapshot = gitweb_have_snapshot();
 
 	if (!defined $hash_base) {
 		$hash_base = "HEAD";
@@ -2813,7 +2819,6 @@ sub git_tree {
 }
 
 sub git_snapshot {
-
 	my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
 	my $have_snapshot = (defined $ctype && defined $suffix);
 	if (!$have_snapshot) {
@@ -2923,8 +2928,7 @@ sub git_commit {
 	my $refs = git_get_references();
 	my $ref = format_ref_marker($refs, $co{'id'});
 
-	my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
-	my $have_snapshot = (defined $ctype && defined $suffix);
+	my $have_snapshot = gitweb_have_snapshot();
 
 	my @views_nav = ();
 	if (defined $file_name && defined $co{'parent'}) {
-- 
1.4.2.1.g05f0f