Add support for 'project-list' option

This option specifies the location of a projectlist file as used by
gitweb - when 'scan-tree' is later specified, only the projects listed in
the projectlist file will be added.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/scan-tree.c b/scan-tree.c
index 1e18f3c..9bf9b38 100644
--- a/scan-tree.c
+++ b/scan-tree.c
@@ -1,12 +1,21 @@
+/* scan-tree.c
+ * 
+ * Copyright (C) 2008-2009 Lars Hjemli
+ * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
+ *
+ * Licensed under GNU General Public License v2
+ *   (see COPYING for full license text)
+ */
+
 #include "cgit.h"
 #include "configfile.h"
 #include "html.h"
 
 #define MAX_PATH 4096
 
 /* return 1 if path contains a objects/ directory and a HEAD file */
 static int is_git_dir(const char *path)
 {
         struct stat st;
         static char buf[MAX_PATH];
 
@@ -133,16 +142,44 @@ static void scan_path(const char *base, const char *path, repo_config_fn fn)
                         fprintf(stderr, "Error checking path %s: %s (%d)\n",
                                 buf, strerror(errno), errno);
                         free(buf);
                         continue;
                 }
                 if (S_ISDIR(st.st_mode))
                         scan_path(base, buf, fn);
                 free(buf);
         }
         closedir(dir);
 }
 
+#define lastc(s) s[strlen(s) - 1]
+
+void scan_projects(const char *path, const char *projectsfile, repo_config_fn fn)
+{
+        char line[MAX_PATH * 2], *z;
+        FILE *projects;
+        int err;
+        
+        projects = fopen(projectsfile, "r");
+        if (!projects) {
+                fprintf(stderr, "Error opening projectsfile %s: %s (%d)\n",
+                        projectsfile, strerror(errno), errno);
+        }
+        while (fgets(line, sizeof(line), projects) != NULL) {
+                for (z = &lastc(line);
+                     strlen(line) && strchr("\n\r", *z);
+                     z = &lastc(line))
+                        *z = '\0';
+                if (strlen(line))
+                        scan_path(path, fmt("%s/%s", path, line), fn);
+        }
+        if ((err = ferror(projects))) {
+                fprintf(stderr, "Error reading from projectsfile %s: %s (%d)\n",
+                        projectsfile, strerror(err), err);
+        }
+        fclose(projects);
+}
+
 void scan_tree(const char *path, repo_config_fn fn)
 {
         scan_path(path, path, fn);
 }