Add support for 'section-from-path' option

This option can be used to autogenerate section names during scan-path
processing.

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

1 files changed, 36 insertions, 6 deletions

diff --git a/scan-tree.c b/scan-tree.c
index e987824..6ba9193 100644
--- a/scan-tree.c
+++ b/scan-tree.c
@@ -52,51 +52,59 @@ char *owner;
 static void repo_config(const char *name, const char *value)
 {
 	config_fn(repo, name, value);
 }
 
 static int git_owner_config(const char *key, const char *value, void *cb)
 {
 	if (!strcmp(key, "gitweb.owner"))
 		owner = xstrdup(value);
 	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)) {
 		fprintf(stderr, "Error accessing %s: %s (%d)\n",
 			path, strerror(errno), errno);
 		return;
 	}
 	if (!stat(fmt("%s/noweb", path), &st))
 		return;
 
 	owner = NULL;
 	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';
 	repo->name = repo->url;
 	repo->path = xstrdup(path);
 	while (!owner) {
 		if ((pwd = getpwuid(st.st_uid)) == NULL) {
 			fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
 				path, strerror(errno), errno);
 			break;
 		}
 		if (pwd->pw_gecos)
@@ -104,24 +112,46 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
 				*p = '\0';
 		owner = xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name);
 	}
 	repo->owner = owner;
 
 	p = fmt("%s/description", path);
 	if (!stat(p, &st))
 		readfile(p, &repo->desc, &size);
 
 	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)) {
 		config_fn = fn;
 		parse_configfile(xstrdup(p), &repo_config);
 	}
 }
 
 static void scan_path(const char *base, const char *path, repo_config_fn fn)
 {
 	DIR *dir;
 	struct dirent *ent;