threads / patch / 26688

patch, 3 partsgitweb: Modularized git_get_project_description to be more generic

Subject: [PATCH 2/3] gitweb: Modularized git_get_project_description to be more generic

## tl;dr

4 messages between Mar 7, 2011 and Mar 7, 2011. Diffs are folded; open one to read it.

replies: 3people: 1as markdown or json

Jakub Narebski· Mar 7, 2011, 23:13 UTC · lore

[RFC/PATCH 0/3] gitweb: Categories support

This series is based on
  "[PATCHv2/RFC] gitweb: Restructure projects list generation"
  http://thread.gmane.org/gmane.comp.version-control.git/167996/focus=168321
  http://repo.or.cz/w/git/jnareb-git.git/commit/420071752d13dcecd59e794d82285e7e142ef75f
  ('gitweb/web' branch in http://repo.or.cz/w/git/jnareb-git.git repository)
which is the main reason why this series is marked as an RFC.

This series is long in wait port of Sebastien Cevey series from December 2008

  http://thread.gmane.org/gmane.comp.version-control.git/102844

to modern gitweb. It was waiting for abovementioned restructuring of projects list generation.

Uwe, it might be an alternative to use ctags (content tags, aka project labels).

Sebastien Cevey (3):
  gitweb: Split git_project_list_body in two functions
  gitweb: Modularized git_get_project_description to be more generic
  gitweb: Optional grouping of projects by category
 gitweb/README                          |   16 +++
 gitweb/gitweb.perl                     |  166 +++++++++++++++++++++++---------
 gitweb/static/gitweb.css               |    7 ++
 t/t9500-gitweb-standalone-no-errors.sh |    8 ++
 4 files changed, 151 insertions(+), 46 deletions(-)
-- 
1.7.3
Jakub Narebski· Mar 7, 2011, 23:13 UTC · re: Jakub Narebski · lore

[PATCH 1/3] gitweb: Split git_project_list_body in two functions

From: Sebastien Cevey <seb@cine7.net>

Extract the printing of project rows (body/contents of projects list table) on the 'project_list' page into a separate git_project_list_rows function. This makes it easier to reuse the code to print different subsets of the whole project list.

[jn: Updated to post restructuring projects list generation]
Signed-off-by: Sebastien Cevey <seb@cine7.net>
Signed-off-by: Jakub Narebski <jnareb@gmail.com>
---
 gitweb/gitweb.perl |   89 +++++++++++++++++++++++++++++-----------------------
 1 files changed, 50 insertions(+), 39 deletions(-)
Show changes to gitweb/gitweb.perl +50 −39
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 996b647..0020b13 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -4868,6 +4868,55 @@ sub format_sort_th {
 	return $sort_th;
 }
 
+sub git_project_list_rows {
+	my ($projlist, $from, $to, $check_forks) = @_;
+
+	$from = 0 unless defined $from;
+	$to = $#$projlist if (!defined $to || $#$projlist < $to);
+
+	my $alternate = 1;
+	for (my $i = $from; $i <= $to; $i++) {
+		my $pr = $projlist->[$i];
+
+		if ($alternate) {
+			print "<tr class=\"dark\">\n";
+		} else {
+			print "<tr class=\"light\">\n";
+		}
+		$alternate ^= 1;
+
+		if ($check_forks) {
+			print "<td>";
+			if ($pr->{'forks'}) {
+				my $nforks = scalar @{$pr->{'forks'}};
+				if ($nforks > 0) {
+					print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks"),
+					               -title => "$nforks forks"}, "+");
+				} else {
+					print $cgi->span({-title => "$nforks forks"}, "+");
+				}
+			}
+			print "</td>\n";
+		}
+		print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
+		                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
+		      "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
+		                        -class => "list", -title => $pr->{'descr_long'}},
+		                        esc_html($pr->{'descr'})) . "</td>\n" .
+		      "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n";
+		print "<td class=\"". age_class($pr->{'age'}) . "\">" .
+		      (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n" .
+		      "<td class=\"link\">" .
+		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
+		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
+		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
+		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
+		      ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
+		      "</td>\n" .
+		      "</tr>\n";
+	}
+}
+
 sub git_project_list_body {
 	# actually uses global variable $project
 	my ($projlist, $order, $from, $to, $extra, $no_header) = @_;
@@ -4928,47 +4977,9 @@ sub git_project_list_body {
 		print "<th></th>\n" . # for links
 		      "</tr>\n";
 	}
-	my $alternate = 1;
-	for (my $i = $from; $i <= $to; $i++) {
-		my $pr = $projects[$i];
 
-		if ($alternate) {
-			print "<tr class=\"dark\">\n";
-		} else {
-			print "<tr class=\"light\">\n";
-		}
-		$alternate ^= 1;
+	git_project_list_rows(\@projects, $from, $to, $check_forks);
 
-		if ($check_forks) {
-			print "<td>";
-			if ($pr->{'forks'}) {
-				my $nforks = scalar @{$pr->{'forks'}};
-				if ($nforks > 0) {
-					print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks"),
-					               -title => "$nforks forks"}, "+");
-				} else {
-					print $cgi->span({-title => "$nforks forks"}, "+");
-				}
-			}
-			print "</td>\n";
-		}
-		print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
-		                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
-		      "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
-		                        -class => "list", -title => $pr->{'descr_long'}},
-		                        esc_html($pr->{'descr'})) . "</td>\n" .
-		      "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n";
-		print "<td class=\"". age_class($pr->{'age'}) . "\">" .
-		      (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n" .
-		      "<td class=\"link\">" .
-		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
-		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
-		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
-		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
-		      ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
-		      "</td>\n" .
-		      "</tr>\n";
-	}
 	if (defined $extra) {
 		print "<tr>\n";
 		if ($check_forks) {
-- 
1.7.3
Jakub Narebski· Mar 7, 2011, 23:13 UTC · re: Jakub Narebski · lore
From: Sebastien Cevey <seb@cine7.net>

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').

This would be used in next commit to retrieve category for a project, which is to be stored in the same way as project description.

Signed-off-by: Sebastien Cevey <seb@cine7.net>
Signed-off-by: Jakub Narebski <jnareb@gmail.com>
---
 gitweb/gitweb.perl |   24 ++++++++++++++++--------
 1 files changed, 16 insertions(+), 8 deletions(-)
Show changes to gitweb/gitweb.perl +16 −8
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 0020b13..c032cd4 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -2550,18 +2550,26 @@ sub git_get_path_by_hash {
 ## ......................................................................
 ## git utility functions, directly accessing git repository
 
-sub git_get_project_description {
-	my $path = shift;
+# get the value of config variable either from file named as the variable
+# itself in the repository ($GIT_DIR/$name file), or from gitweb.$name
+# configuration variable in the repository config file.
+sub git_get_file_or_project_config {
+	my ($path, $name) = @_;
 
 	$git_dir = "$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 $path = shift;
+	return git_get_file_or_project_config($path, 'description');
 }
 
 sub git_get_project_ctags {
-- 
1.7.3
Jakub Narebski· Mar 7, 2011, 23:13 UTC · re: Jakub Narebski · lore

[PATCH 3/3] gitweb: Optional grouping of projects by category

From: Sebastien Cevey <seb@cine7.net>

This adds the $projects_list_group_categories option which, if enabled, will result in grouping projects by category on the project list page. The category is specified for each project by the $GIT_DIR/category file or the 'gitweb.category' variable in its configuration file. By default, projects are put in the $project_list_default_category category.

Note:
- Categories are always sorted alphabetically, with projects in
  each category sorted according to the globally selected $order.
- When displaying a subset of all the projects (page limiting), the
  category headers are only displayed for projects present on the page.

The feature is inspired from Sham Chukoury's patch for the XMMS2 gitweb, but has been rewritten for the current gitweb code. The CSS for categories is inspired from Gustavo Sverzut Barbieri's patch to group projects by path.

Thanks to Florian Ragwitz for Perl tips.
[jn: Updated to post restructuring projects list generation, fixed bugs,
 added very basic test in t9500 that there are no warnings from Perl.]
Signed-off-by: Sebastien Cevey <seb@cine7.net>
Signed-off-by: Jakub Narebski <jnareb@gmail.com>
---
 gitweb/README                          |   16 ++++++++
 gitweb/gitweb.perl                     |   61 ++++++++++++++++++++++++++++++--
 gitweb/static/gitweb.css               |    7 ++++
 t/t9500-gitweb-standalone-no-errors.sh |    8 ++++
 4 files changed, 89 insertions(+), 3 deletions(-)
Show changes to 4 files +89 −3

gitweb/README, gitweb/gitweb.perl, gitweb/static/gitweb.css, t/t9500-gitweb-standalone-no-errors.sh

diff --git a/gitweb/README b/gitweb/README
index 4a67393..6cdf51b 100644
--- a/gitweb/README
+++ b/gitweb/README
@@ -207,6 +207,15 @@ not include variables usually directly set during build):
    full description is available as 'title' attribute (usually shown on
    mouseover).  By default set to 25, which might be too small if you
    use long project descriptions.
+ * $projects_list_group_categories
+   Enables the grouping of projects by category on the project list page.
+   The category of a project is determined by the $GIT_DIR/category
+   file or the 'gitweb.category' variable in its repository configuration.
+   Disabled by default.
+ * $project_list_default_category
+   Default category for projects for which none is specified.  If set
+   to the empty string, such projects will remain uncategorized and
+   listed at the top, above categorized projects.
  * @git_base_url_list
    List of git base URLs used for URL to where fetch project from, shown
    in project summary page.  Full URL is "$git_base_url/$project".
@@ -314,6 +323,13 @@ You can use the following files in repository:
    from the template during repository creation. You can use the
    gitweb.description repo configuration variable, but the file takes
    precedence.
+ * category (or gitweb.category)
+   Singe line category of a project, used to group projects if
+   $projects_list_group_categories is enabled. By default (file and
+   configuration variable absent), uncategorized projects are put in
+   the $project_list_default_category category. You can use the
+   gitweb.category repo configuration variable, but the file takes
+   precedence.
  * cloneurl (or multiple-valued gitweb.url)
    File with repository URL (used for clone and fetch), one per line.
    Displayed in the project summary page. You can use multiple-valued
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index c032cd4..1b71934 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -115,6 +115,14 @@ our $projects_list = "++GITWEB_LIST++";
 # the width (in characters) of the projects list "Description" column
 our $projects_list_description_width = 25;
 
+# group projects by category on the projects list
+# (enabled if this variable evaluates to true)
+our $projects_list_group_categories = 0;
+
+# default category if none specified
+# (leave the empty string for no category)
+our $project_list_default_category = "";
+
 # default order of projects list
 # valid values are none, project, descr, owner, and age
 our $default_projects_order = "project";
@@ -2572,6 +2580,11 @@ sub git_get_project_description {
 	return git_get_file_or_project_config($path, 'description');
 }
 
+sub git_get_project_category {
+	my $path = shift;
+	return git_get_file_or_project_config($path, 'category');
+}
+
 sub git_get_project_ctags {
 	my $path = shift;
 	my $ctags = {};
@@ -4799,8 +4812,9 @@ sub git_patchset_body {
 
 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 
-# fills project list info (age, description, owner, forks) for each
-# project in the list, removing invalid projects from returned list
+# fills project list info (age, description, owner, category, forks)
+# for each project in the list, removing invalid projects from
+# returned list
 # NOTE: modifies $projlist, but does not remove entries from it
 sub fill_project_list_info {
 	my $projlist = shift;
@@ -4826,6 +4840,12 @@ sub fill_project_list_info {
 		if ($show_ctags) {
 			$pr->{'ctags'} = git_get_project_ctags($pr->{'path'});
 		}
+		if ($projects_list_group_categories && !defined $pr->{'category'}) {
+			my $cat = git_get_project_category($pr->{'path'}) ||
+			                                   $project_list_default_category;
+			$pr->{'category'} = to_utf8($cat);
+		}
+
 		push @projects, $pr;
 	}
 
@@ -4853,6 +4873,23 @@ sub sort_projects_list {
 	return @projects;
 }
 
+# returns a hash of categories, containing the list of project
+# belonging to each category
+sub build_projlist_by_category {
+	my ($projlist, $from, $to) = @_;
+	my %categories;
+
+	$from = 0 unless defined $from;
+	$to = $#$projlist if (!defined $to || $#$projlist < $to);
+
+	for (my $i = $from; $i <= $to; $i++) {
+		my $pr = $projlist->[$i];
+		push @{$categories{ $pr->{'category'} }}, $pr;
+	}
+
+	return wantarray ? %categories : \%categories;
+}
+
 # print 'sort by' <th> element, generating 'sort by $name' replay link
 # if that order is not selected
 sub print_sort_th {
@@ -4986,7 +5023,25 @@ sub git_project_list_body {
 		      "</tr>\n";
 	}
 
-	git_project_list_rows(\@projects, $from, $to, $check_forks);
+	if ($projects_list_group_categories) {
+		# only display categories with projects in the $from-$to window
+		@projects = sort {$a->{'category'} cmp $b->{'category'}} @projects[$from..$to];
+		my %categories = build_projlist_by_category(\@projects, $from, $to);
+		foreach my $cat (sort keys %categories) {
+			unless ($cat eq "") {
+				print "<tr>\n";
+				if ($check_forks) {
+					print "<td></td>\n";
+				}
+				print "<td class=\"category\" colspan=\"5\">".esc_html($cat)."</td>\n";
+				print "</tr>\n";
+			}
+
+			git_project_list_rows($categories{$cat}, undef, undef, $check_forks);
+		}
+	} else {
+		git_project_list_rows(\@projects, $from, $to, $check_forks);
+	}
 
 	if (defined $extra) {
 		print "<tr>\n";
diff --git a/gitweb/static/gitweb.css b/gitweb/static/gitweb.css
index 79d7eeb..4df2d16 100644
--- a/gitweb/static/gitweb.css
+++ b/gitweb/static/gitweb.css
@@ -295,6 +295,13 @@ td.current_head {
 	text-decoration: underline;
 }
 
+td.category {
+	background-color: #d9d8d1;
+	border-top: 1px solid #000000;
+	border-left: 1px solid #000000;
+	font-weight: bold;
+}
+
 table.diff_tree span.file_status.new {
 	color: #008000;
 }
diff --git a/t/t9500-gitweb-standalone-no-errors.sh b/t/t9500-gitweb-standalone-no-errors.sh
index 71ef0ac..f5648a6 100755
--- a/t/t9500-gitweb-standalone-no-errors.sh
+++ b/t/t9500-gitweb-standalone-no-errors.sh
@@ -644,4 +644,12 @@ test_expect_success \
 	'ctags: search projects by non existent tag' \
 	'gitweb_run "by_tag=non-existent"'
 
+# ----------------------------------------------------------------------
+# categories
+
+test_expect_success \
+	'categories: projects list, only default category' \
+	'echo "\$projects_list_group_categories = 1;" >>gitweb_config.perl &&
+	 gitweb_run'
+
 test_done
-- 
1.7.3

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