[PATCH v4 1/3] gitweb: Modularized git_get_project_description to be more generic

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Introduce a git_get_file_or_project_config utility function to
retrieve a repository variable either from a plain text file in the
$GIT_DIR or else from 'gitweb.$variable' in the repository config
(e.g. 'description').

Signed-off-by: Sebastien Cevey <seb@xxxxxxxxx>
---

Sorry, screwed up the previous email trying to keep that From line in
the header..

This patch (1/3) is still identical to previous version (v3).

 gitweb/gitweb.perl |   24 ++++++++++++++++--------
 1 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 6eb370d..f7dc337 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -2020,18 +2020,26 @@ sub git_get_path_by_hash {
 ## ......................................................................
 ## git utility functions, directly accessing git repository
 
-sub git_get_project_description {
-	my $path = shift;
+# get the value of a config variable either from a file with the same
+# name in the repository, or the gitweb.$name value in the repository
+# config file.
+sub git_get_file_or_project_config {
+	my ($name, $path) = @_;
 
 	$git_dir = "$projectroot/$path";
-	open my $fd, "$git_dir/description"
-		or return git_get_project_config('description');
-	my $descr = <$fd>;
+	open my $fd, "$git_dir/$name"
+		or return git_get_project_config($name);
+	my $conf = <$fd>;
 	close $fd;
-	if (defined $descr) {
-		chomp $descr;
+	if (defined $conf) {
+		chomp $conf;
 	}
-	return $descr;
+	return $conf;
+}
+
+sub git_get_project_description {
+	my $path = shift;
+	return git_get_file_or_project_config('description', $path);
 }
 
 sub git_get_project_ctags {
-- 
1.5.6.5

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