Teach cgit how to use PATH_INFO

[cgit.git] / cgit.c

diff --git a/cgit.c b/cgit.c
index 87950858a267f61433486fc32c9adbb8dda6e29a..a47cad03ff2cce9136c6c66edb92ea4c55ea1a85 100644 (file)
--- a/cgit.c
+++ b/cgit.c
@@ -87,6 +87,8 @@ void config_cb(const char *name, const char *value)
                ctx.cfg.robots = xstrdup(value);
        else if (!strcmp(name, "clone-prefix"))
                ctx.cfg.clone_prefix = xstrdup(value);
+       else if (!strcmp(name, "local-time"))
+               ctx.cfg.local_time = atoi(value);
        else if (!strcmp(name, "repo.group"))
                ctx.cfg.repo_group = xstrdup(value);
        else if (!strcmp(name, "repo.url"))
@@ -128,6 +130,7 @@ static void querystring_cb(const char *name, const char *value)
        } else if (!strcmp(name, "p")) {
                ctx.qry.page = xstrdup(value);
        } else if (!strcmp(name, "url")) {
+               ctx.qry.url = xstrdup(value);
                cgit_parse_url(value);
        } else if (!strcmp(name, "qt")) {
                ctx.qry.grep = xstrdup(value);
@@ -167,20 +170,25 @@ static void prepare_context(struct cgit_context *ctx)
        ctx->cfg.cache_static_ttl = -1;
        ctx->cfg.css = "/cgit.css";
        ctx->cfg.logo = "/git-logo.png";
+       ctx->cfg.local_time = 0;
        ctx->cfg.max_repo_count = 50;
        ctx->cfg.max_commit_count = 50;
        ctx->cfg.max_lock_attempts = 5;
-       ctx->cfg.max_msg_len = 60;
-       ctx->cfg.max_repodesc_len = 60;
+       ctx->cfg.max_msg_len = 80;
+       ctx->cfg.max_repodesc_len = 80;
        ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
        ctx->cfg.renamelimit = -1;
        ctx->cfg.robots = "index, nofollow";
        ctx->cfg.root_title = "Git repository browser";
        ctx->cfg.root_desc = "a fast webinterface for the git dscm";
        ctx->cfg.script_name = CGIT_SCRIPT_NAME;
+       ctx->cfg.summary_branches = 10;
+       ctx->cfg.summary_log = 10;
+       ctx->cfg.summary_tags = 10;
        ctx->page.mimetype = "text/html";
        ctx->page.charset = PAGE_ENCODING;
        ctx->page.filename = NULL;
+       ctx->page.size = 0;
        ctx->page.modified = time(NULL);
        ctx->page.expires = ctx->page.modified;
 }
@@ -207,15 +215,19 @@ int find_current_ref(const char *refname, const unsigned char *sha1,
 char *find_default_branch(struct cgit_repo *repo)
 {
        struct refmatch info;
+       char *ref;
 
        info.req_ref = repo->defbranch;
        info.first_ref = NULL;
        info.match = 0;
        for_each_branch_ref(find_current_ref, &info);
        if (info.match)
-               return info.req_ref;
+               ref = info.req_ref;
        else
-               return info.first_ref;
+               ref = info.first_ref;
+       if (ref)
+               ref = xstrdup(ref);
+       return ref;
 }
 
 static int prepare_repo_cmd(struct cgit_context *ctx)
@@ -241,7 +253,7 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
        ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
 
        if (!ctx->qry.head) {
-               ctx->qry.head = xstrdup(find_default_branch(ctx->repo));
+               ctx->qry.head = find_default_branch(ctx->repo);
                ctx->repo->defbranch = ctx->qry.head;
        }
 
@@ -362,6 +374,8 @@ static int calc_ttl()
 int main(int argc, const char **argv)
 {
        const char *cgit_config_env = getenv("CGIT_CONFIG");
+       const char *path;
+       char *qry;
        int err, ttl;
 
        prepare_context(&ctx);
@@ -379,6 +393,30 @@ int main(int argc, const char **argv)
        cgit_parse_args(argc, argv);
        http_parse_querystring(ctx.qry.raw, querystring_cb);
 
+       /* If virtual-root isn't specified in cgitrc and no url
+        * parameter is specified on the querystring, lets pretend
+        * that virtualroot equals SCRIPT_NAME and use PATH_INFO as
+        * url. This allows cgit to work with virtual urls without
+        * the need for rewriterules in the webserver (as long as
+        * PATH_INFO is included in the cache lookup key).
+        */
+       if (!ctx.cfg.virtual_root && !ctx.qry.url) {
+               ctx.cfg.virtual_root = ctx.cfg.script_name;
+               path = getenv("PATH_INFO");
+               if (path) {
+                       if (path[0] == '/')
+                               path++;
+                       ctx.qry.url = xstrdup(path);
+                       if (ctx.qry.raw) {
+                               qry = ctx.qry.raw;
+                               ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
+                               free(qry);
+                       } else
+                               ctx.qry.raw = ctx.qry.url;
+                       cgit_parse_url(ctx.qry.url);
+               }
+       }
+
        ttl = calc_ttl();
        ctx.page.expires += ttl*60;
        if (ctx.cfg.nocache)