[PATCH 2/3] gitweb: Refactor common parts of 'log' and 'shortlog' views

[Jakub Narebski <jnareb@xxxxxxxxx>]

Put the common parts of git_log and git_shortlog into git_log_generic
subroutine: git_log and git_shortlog are now thin wrappers calling
git_log_generic with appropriate arguments.

The unification of code responsible for 'log' and 'shorlog' actions
lead to the following changes in gitweb output
 * 'tree' link in page_nav now uses $hash parameter, as was the case
   for 'shortlog' but not for 'log'
 * 'log' view now respect $hash_parent limiting, like 'shortlog' did
 * 'log' view doesn't have special case for empty list anymore, and it
   always uses page_header linking to summary view, like 'shortlog'
   did.

Signed-off-by: Jakub Narebski <jnareb@xxxxxxxxx>
---
 gitweb/gitweb.perl |   72 ++++++++++++++-------------------------------------
 1 files changed, 20 insertions(+), 52 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 68dbd9e..14661cc 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -5336,7 +5336,9 @@ sub git_snapshot {
 	close $fd;
 }
 
-sub git_log {
+sub git_log_generic {
+	my ($fmt_name, $body_subr) = @_;
+
 	my $head = git_get_head_hash($project);
 	if (!defined $hash) {
 		$hash = $head;
@@ -5346,16 +5348,21 @@ sub git_log {
 	}
 	my $refs = git_get_references();
 
-	my @commitlist = parse_commits($hash, 101, (100 * $page));
+	my $commit_hash = $hash;
+	if (defined $hash_parent) {
+		$commit_hash = "$hash_parent..$hash";
+	}
+	my @commitlist = parse_commits($commit_hash, 101, (100 * $page));
 
-	my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#commitlist >= 100);
-	my $next_link;
+	my $paging_nav = format_paging_nav($fmt_name, $hash, $head,
+	                                   $page, $#commitlist >= 100);
+	my $next_link = '';
 	if ($#commitlist >= 100) {
 		$next_link =
 			$cgi->a({-href => href(-replay=>1, page=>$page+1),
 			         -accesskey => "n", -title => "Alt-n"}, "next");
 	}
-	my ($patch_max) = gitweb_get_feature('patches');
+	my $patch_max = gitweb_get_feature('patches');
 	if ($patch_max) {
 		if ($patch_max < 0 || @commitlist <= $patch_max) {
 			$paging_nav .= " &sdot; " .
@@ -5365,20 +5372,18 @@ sub git_log {
 	}
 
 	git_header_html();
-	git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
-
-	if (!@commitlist) {
-		my %co = parse_commit($hash);
-
-		git_print_header_div('summary', $project);
-		print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
-	}
+	git_print_page_nav($fmt_name,'', $hash,$hash,$hash, $paging_nav);
+	git_print_header_div('summary', $project);
 
-	git_log_body(\@commitlist, 0, 99, $refs, $next_link);
+	$body_subr->(\@commitlist, 0, 99, $refs, $next_link);
 
 	git_footer_html();
 }
 
+sub git_log {
+	git_log_generic('log', \&git_log_body);
+}
+
 sub git_commit {
 	$hash ||= $hash_base || "HEAD";
 	my %co = parse_commit($hash)
@@ -6242,44 +6247,7 @@ EOT
 }
 
 sub git_shortlog {
-	my $head = git_get_head_hash($project);
-	if (!defined $hash) {
-		$hash = $head;
-	}
-	if (!defined $page) {
-		$page = 0;
-	}
-	my $refs = git_get_references();
-
-	my $commit_hash = $hash;
-	if (defined $hash_parent) {
-		$commit_hash = "$hash_parent..$hash";
-	}
-	my @commitlist = parse_commits($commit_hash, 101, (100 * $page));
-
-	my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#commitlist >= 100);
-	my $next_link = '';
-	if ($#commitlist >= 100) {
-		$next_link =
-			$cgi->a({-href => href(-replay=>1, page=>$page+1),
-			         -accesskey => "n", -title => "Alt-n"}, "next");
-	}
-	my $patch_max = gitweb_check_feature('patches');
-	if ($patch_max) {
-		if ($patch_max < 0 || @commitlist <= $patch_max) {
-			$paging_nav .= " &sdot; " .
-				$cgi->a({-href => href(action=>"patches", -replay=>1)},
-					"patches");
-		}
-	}
-
-	git_header_html();
-	git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
-	git_print_header_div('summary', $project);
-
-	git_shortlog_body(\@commitlist, 0, 99, $refs, $next_link);
-
-	git_footer_html();
+	git_log_generic('shortlog', \&git_shortlog_body);
 }
 
 ## ......................................................................
-- 
1.6.5

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