implement repo.logo and repo.logo-link

Allow for per repo logo and logo-link; Use global logo and logo-link per
default.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

4 files changed, 31 insertions, 6 deletions

diff --git a/cgit.c b/cgit.c
index 412fbf0..e8c1f94 100644
--- a/cgit.c
+++ b/cgit.c
@@ -50,51 +50,55 @@ void repo_config(struct cgit_repo *repo, const char *name, const char *value)
         else if (!strcmp(name, "clone-url"))
                 repo->clone_url = xstrdup(value);
         else if (!strcmp(name, "desc"))
                 repo->desc = xstrdup(value);
         else if (!strcmp(name, "owner"))
                 repo->owner = xstrdup(value);
         else if (!strcmp(name, "defbranch"))
                 repo->defbranch = xstrdup(value);
         else if (!strcmp(name, "snapshots"))
                 repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
         else if (!strcmp(name, "enable-log-filecount"))
                 repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
         else if (!strcmp(name, "enable-log-linecount"))
                 repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
         else if (!strcmp(name, "enable-remote-branches"))
                 repo->enable_remote_branches = atoi(value);
         else if (!strcmp(name, "enable-subject-links"))
                 repo->enable_subject_links = atoi(value);
         else if (!strcmp(name, "max-stats"))
                 repo->max_stats = cgit_find_stats_period(value, NULL);
         else if (!strcmp(name, "module-link"))
                 repo->module_link= xstrdup(value);
         else if (!strcmp(name, "section"))
                 repo->section = xstrdup(value);
-        else if (!strcmp(name, "readme") && value != NULL) {
+        else if (!strcmp(name, "readme") && value != NULL)
                 repo->readme = xstrdup(value);
-        } else if (ctx.cfg.enable_filter_overrides) {
+        else if (!strcmp(name, "logo") && value != NULL)
+                repo->logo = xstrdup(value);
+        else if (!strcmp(name, "logo-link") && value != NULL)
+                repo->logo_link = xstrdup(value);
+        else if (ctx.cfg.enable_filter_overrides) {
                 if (!strcmp(name, "about-filter"))
                         repo->about_filter = new_filter(value, 0);
                 else if (!strcmp(name, "commit-filter"))
                         repo->commit_filter = new_filter(value, 0);
                 else if (!strcmp(name, "source-filter"))
                         repo->source_filter = new_filter(value, 1);
         }
 }
 
 void config_cb(const char *name, const char *value)
 {
         if (!strcmp(name, "section") || !strcmp(name, "repo.group"))
                 ctx.cfg.section = xstrdup(value);
         else if (!strcmp(name, "repo.url"))
                 ctx.repo = cgit_add_repo(value);
         else if (ctx.repo && !strcmp(name, "repo.path"))
                 ctx.repo->path = trim_end(value, '/');
         else if (ctx.repo && !prefixcmp(name, "repo."))
                 repo_config(ctx.repo, name + 5, value);
         else if (!strcmp(name, "readme"))
                 ctx.cfg.readme = xstrdup(value);
         else if (!strcmp(name, "root-title"))
                 ctx.cfg.root_title = xstrdup(value);
         else if (!strcmp(name, "root-desc"))
diff --git a/cgit.h b/cgit.h
index f5f68ac..8a9d5fa 100644
--- a/cgit.h
+++ b/cgit.h
@@ -49,48 +49,50 @@
 typedef void (*configfn)(const char *name, const char *value);
 typedef void (*filepair_fn)(struct diff_filepair *pair);
 typedef void (*linediff_fn)(char *line, int len);
 
 struct cgit_filter {
         char *cmd;
         char **argv;
         int old_stdout;
         int pipe_fh[2];
         int pid;
         int exitstatus;
 };
 
 struct cgit_repo {
         char *url;
         char *name;
         char *path;
         char *desc;
         char *owner;
         char *defbranch;
         char *module_link;
         char *readme;
         char *section;
         char *clone_url;
+        char *logo;
+        char *logo_link;
         int snapshots;
         int enable_log_filecount;
         int enable_log_linecount;
         int enable_remote_branches;
         int enable_subject_links;
         int max_stats;
         time_t mtime;
         struct cgit_filter *about_filter;
         struct cgit_filter *commit_filter;
         struct cgit_filter *source_filter;
 };
 
 typedef void (*repo_config_fn)(struct cgit_repo *repo, const char *name,
               const char *value);
 
 struct cgit_repolist {
         int length;
         int count;
         struct cgit_repo *repos;
 };
 
 struct commitinfo {
         struct commit *commit;
         char *author;
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index 8e51ca5..01157a9 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -349,48 +349,57 @@ repo.commit-filter::
 repo.defbranch::
         The name of the default branch for this repository. If no such branch
         exists in the repository, the first branch name (when sorted) is used
         as default instead. Default value: "master".
 
 repo.desc::
         The value to show as repository description. Default value: none.
 
 repo.enable-log-filecount::
         A flag which can be used to disable the global setting
         `enable-log-filecount'. Default value: none.
 
 repo.enable-log-linecount::
         A flag which can be used to disable the global setting
         `enable-log-linecount'. Default value: none.
 
 repo.enable-remote-branches::
         Flag which, when set to "1", will make cgit display remote branches
         in the summary and refs views. Default value: <enable-remote-branches>.
 
 repo.enable-subject-links::
         A flag which can be used to override the global setting
         `enable-subject-links'. Default value: none.
 
+repo.logo::
+        Url which specifies the source of an image which will be used as a logo
+        on this repo's pages. Default value: global logo.
+
+repo.logo-link::
+        Url loaded when clicking on the cgit logo image. If unspecified the
+        calculated url of the repository index page will be used. Default
+        value: global logo-link.
+
 repo.max-stats::
         Override the default maximum statistics period. Valid values are equal
         to the values specified for the global "max-stats" setting. Default
         value: none.
 
 repo.name::
         The value to show as repository name. Default value: <repo.url>.
 
 repo.owner::
         A value used to identify the owner of the repository. Default value:
         none.
 
 repo.path::
         An absolute path to the repository directory. For non-bare repositories
         this is the .git-directory. Default value: none.
 
 repo.readme::
         A path (relative to <repo.path>) which specifies a file to include
         verbatim as the "About" page for this repo. You may also specify a
         git refspec by head or by hash by prepending the refspec followed by
         a colon. For example, "master:docs/readme.mkd" Default value: <readme>.
 
 repo.snapshots::
         A mask of allowed snapshot-formats for this repo, restricted by the
diff --git a/ui-shared.c b/ui-shared.c
index ae29615..7efae7a 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -735,59 +735,69 @@ static const char *hc(struct cgit_context *ctx, const char *page)
 
 static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path)
 {
         char *old_path = ctx->qry.path;
         char *p = path, *q, *end = path + strlen(path);
 
         ctx->qry.path = NULL;
         cgit_self_link("root", NULL, NULL, ctx);
         ctx->qry.path = p = path;
         while (p < end) {
                 if (!(q = strchr(p, '/')))
                         q = end;
                 *q = '\0';
                 html_txt("/");
                 cgit_self_link(p, NULL, NULL, ctx);
                 if (q < end)
                         *q = '/';
                 p = q + 1;
         }
         ctx->qry.path = old_path;
 }
 
 static void print_header(struct cgit_context *ctx)
 {
+        char *logo = NULL, *logo_link = NULL;
+
         html("<table id='header'>\n");
         html("<tr>\n");
 
-        if (ctx->cfg.logo && ctx->cfg.logo[0] != 0) {
+        if (ctx->repo && ctx->repo->logo && *ctx->repo->logo)
+                logo = ctx->repo->logo;
+        else
+                logo = ctx->cfg.logo;
+        if (ctx->repo && ctx->repo->logo_link && *ctx->repo->logo_link)
+                logo_link = ctx->repo->logo_link;
+        else
+                logo_link = ctx->cfg.logo_link;
+        if (logo && *logo) {
                 html("<td class='logo' rowspan='2'><a href='");
-                if (ctx->cfg.logo_link)
-                        html_attr(ctx->cfg.logo_link);
+                if (logo_link && *logo_link)
+                        html_attr(logo_link);
                 else
                         html_attr(cgit_rooturl());
                 html("'><img src='");
-                html_attr(ctx->cfg.logo);
+                html_attr(logo);
                 html("' alt='cgit logo'/></a></td>\n");
         }
 
         html("<td class='main'>");
         if (ctx->repo) {
                 cgit_index_link("index", NULL, NULL, NULL, 0);
                 html(" : ");
                 cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
                 html("</td><td class='form'>");
                 html("<form method='get' action=''>\n");
                 cgit_add_hidden_formfields(0, 1, ctx->qry.page);
                 html("<select name='h' onchange='this.form.submit();'>\n");
                 for_each_branch_ref(print_branch_option, ctx->qry.head);
                 html("</select> ");
                 html("<input type='submit' name='' value='switch'/>");
                 html("</form>");
         } else
                 html_txt(ctx->cfg.root_title);
         html("</td></tr>\n");
 
         html("<tr><td class='sub'>");
         if (ctx->repo) {
                 html_txt(ctx->repo->desc);
                 html("</td><td class='sub right'>");