Teach cgit how to group repositories by category

The new parameter 'repo.group' is used to set the repository group
for the following repositores. Whenever this parameter changes value,
a subheading is generated in the index page (printing the current value
of repo.group).

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

4 files changed, 21 insertions, 0 deletions

diff --git a/cgit.css b/cgit.css
index 6c7f9c3..88a0a1d 100644
--- a/cgit.css
+++ b/cgit.css
@@ -348,8 +348,13 @@ table.diff td div.del {
 
 .left {
         text-align: left;
 }
 
 .right {
         text-align: right;
 }
+
+table.list td.repogroup {
+        padding-top: 1em;
+        font-weight: bold;
+}
diff --git a/cgit.h b/cgit.h
index f3d783e..8a69a1f 100644
--- a/cgit.h
+++ b/cgit.h
@@ -31,16 +31,17 @@ struct cacheitem {
 
 struct repoinfo {
         char *url;
         char *name;
         char *path;
         char *desc;
         char *owner;
         char *defbranch;
+        char *group;
         char *module_link;
         int snapshots;
         int enable_log_filecount;
         int enable_log_linecount;
 };
 
 struct repolist {
         int length;
@@ -75,16 +76,17 @@ extern struct repoinfo *cgit_repo;
 extern char *cgit_root_title;
 extern char *cgit_css;
 extern char *cgit_logo;
 extern char *cgit_logo_link;
 extern char *cgit_module_link;
 extern char *cgit_virtual_root;
 extern char *cgit_script_name;
 extern char *cgit_cache_root;
+extern char *cgit_repo_group;
 
 extern int cgit_nocache;
 extern int cgit_snapshots;
 extern int cgit_enable_log_filecount;
 extern int cgit_enable_log_linecount;
 extern int cgit_max_lock_attempts;
 extern int cgit_cache_root_ttl;
 extern int cgit_cache_repo_ttl;
diff --git a/shared.c b/shared.c
index 53cd9b0..4ddba61 100644
--- a/shared.c
+++ b/shared.c
@@ -14,16 +14,17 @@ struct repoinfo *cgit_repo;
 char *cgit_root_title   = "Git repository browser";
 char *cgit_css          = "/cgit.css";
 char *cgit_logo         = "/git-logo.png";
 char *cgit_logo_link    = "http://www.kernel.org/pub/software/scm/git/docs/";
 char *cgit_module_link  = "./?repo=%s&page=commit&id=%s";
 char *cgit_virtual_root = NULL;
 char *cgit_script_name  = CGIT_SCRIPT_NAME;
 char *cgit_cache_root   = "/var/cache/cgit";
+char *cgit_repo_group   = NULL;
 
 int cgit_nocache               =  0;
 int cgit_snapshots             =  0;
 int cgit_enable_log_filecount  =  0;
 int cgit_enable_log_linecount  =  0;
 int cgit_max_lock_attempts     =  5;
 int cgit_cache_root_ttl        =  5;
 int cgit_cache_repo_ttl        =  5;
@@ -80,16 +81,17 @@ struct repoinfo *add_repo(const char *url)
         }
 
         ret = &cgit_repolist.repos[cgit_repolist.count-1];
         ret->url = xstrdup(url);
         ret->name = ret->url;
         ret->path = NULL;
         ret->desc = NULL;
         ret->owner = NULL;
+        ret->group = cgit_repo_group;
         ret->defbranch = "master";
         ret->snapshots = cgit_snapshots;
         ret->enable_log_filecount = cgit_enable_log_filecount;
         ret->enable_log_linecount = cgit_enable_log_linecount;
         ret->module_link = cgit_module_link;
         return ret;
 }
 
@@ -126,16 +128,18 @@ void cgit_global_config_cb(const char *name, const char *value)
         else if (!strcmp(name, "cache-dynamic-ttl"))
                 cgit_cache_dynamic_ttl = atoi(value);
         else if (!strcmp(name, "max-message-length"))
                 cgit_max_msg_len = atoi(value);
         else if (!strcmp(name, "max-repodesc-length"))
                 cgit_max_repodesc_len = atoi(value);
         else if (!strcmp(name, "max-commit-count"))
                 cgit_max_commit_count = atoi(value);
+        else if (!strcmp(name, "repo.group"))
+                cgit_repo_group = xstrdup(value);
         else if (!strcmp(name, "repo.url"))
                 cgit_repo = add_repo(value);
         else if (!strcmp(name, "repo.name"))
                 cgit_repo->name = xstrdup(value);
         else if (cgit_repo && !strcmp(name, "repo.path"))
                 cgit_repo->path = xstrdup(value);
         else if (cgit_repo && !strcmp(name, "repo.desc"))
                 cgit_repo->desc = xstrdup(value);
diff --git a/ui-repolist.c b/ui-repolist.c
index d7311e4..a884c20 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -7,29 +7,39 @@
  */
 
 #include "cgit.h"
 
 void cgit_print_repolist(struct cacheitem *item)
 {
         struct repoinfo *repo;
         int i;
+        char *last_group = NULL;
 
         cgit_print_docstart(cgit_root_title, item);
         cgit_print_pageheader(cgit_root_title, 0);
 
         html("<table class='list nowrap'>");
         html("<tr class='nohover'>"
              "<th class='left'>Name</th>"
              "<th class='left'>Description</th>"
              "<th class='left'>Owner</th>"
              "<th class='left'>Links</th></tr>\n");
 
         for (i=0; i<cgit_repolist.count; i++) {
                 repo = &cgit_repolist.repos[i];
+                if ((last_group == NULL && repo->group != NULL) ||
+                    (last_group != NULL && repo->group == NULL) ||
+                    (last_group != NULL && repo->group!= NULL &&
+                     strcmp(repo->group, last_group))) {
+                        html("<tr><td colspan='4' class='repogroup'>");
+                        html_txt(repo->group);
+                        html("</td></tr>");
+                        last_group = repo->group;
+                }
                 html("<tr><td>");
                 html_link_open(cgit_repourl(repo->url), NULL, NULL);
                 html_txt(repo->name);
                 html_link_close();
                 html("</td><td>");
                 html_ntxt(cgit_max_repodesc_len, repo->desc);
                 html("</td><td>");
                 html_txt(repo->owner);