Add support for 'section-from-path' option

[ps-cgit] / scan-tree.c

diff --git a/scan-tree.c b/scan-tree.c
index e9878248346eaf8d48f6a5c8d3053fcf51d5270c..6ba9193e2e3d5c5894a5493b9db2cab328bbb095 100644 (file)
--- a/scan-tree.c
+++ b/scan-tree.c
@@ -61,11 +61,19 @@ static int git_owner_config(const char *key, const char *value, void *cb)
        return 0;
 }
 
+static char *xstrrchr(char *s, char *from, int c)
+{
+       while (from >= s && *from != c)
+               from--;
+       return from < s ? NULL : from;
+}
+
 static void add_repo(const char *base, const char *path, repo_config_fn fn)
 {
        struct stat st;
        struct passwd *pwd;
-       char *p;
+       char *rel, *p, *slash;
+       int n;
        size_t size;
 
        if (stat(path, &st)) {
@@ -80,14 +88,14 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
        if (ctx.cfg.enable_gitweb_owner)
                git_config_from_file(git_owner_config, fmt("%s/config", path), NULL);
        if (base == path)
-               p = fmt("%s", path);
+               rel = xstrdup(fmt("%s", path));
        else
-               p = fmt("%s", path + strlen(base) + 1);
+               rel = xstrdup(fmt("%s", path + strlen(base) + 1));
 
-       if (!strcmp(p + strlen(p) - 5, "/.git"))
-               p[strlen(p) - 5] = '\0';
+       if (!strcmp(rel + strlen(rel) - 5, "/.git"))
+               rel[strlen(rel) - 5] = '\0';
 
-       repo = cgit_add_repo(xstrdup(p));
+       repo = cgit_add_repo(rel);
        if (ctx.cfg.remove_suffix)
                if ((p = strrchr(repo->url, '.')) && !strcmp(p, ".git"))
                        *p = '\0';
@@ -113,6 +121,28 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
        p = fmt("%s/README.html", path);
        if (!stat(p, &st))
                repo->readme = "README.html";
+       if (ctx.cfg.section_from_path) {
+               n  = ctx.cfg.section_from_path;
+               if (n > 0) {
+                       slash = rel;
+                       while (slash && n && (slash = strchr(slash, '/')))
+                               n--;
+               } else {
+                       slash = rel + strlen(rel);
+                       while (slash && n && (slash = xstrrchr(rel, slash, '/')))
+                               n++;
+               }
+               if (slash && !n) {
+                       *slash = '\0';
+                       repo->section = xstrdup(rel);
+                       *slash = '/';
+                       if (!prefixcmp(repo->name, repo->section)) {
+                               repo->name += strlen(repo->section);
+                               if (*repo->name == '/')
+                                       repo->name++;
+                       }
+               }
+       }
 
        p = fmt("%s/cgitrc", path);
        if (!stat(p, &st)) {