Support listing from a different root dirHEADmaster

1 files changed, 16 insertions, 0 deletions

diff --git a/options.c b/options.c
index 2619602..6d43ccb 100644
--- a/options.c
+++ b/options.c
@@ -12,6 +12,7 @@ struct options parse_options(int argc, char **argv) {
   char **cachetags = malloc(cachetags_cap * sizeof(char*));
 
   char *rootpath = NULL;
+  char *treeroot = NULL;
 
   int print_depth = 1;
 
@@ -25,6 +26,20 @@ struct options parse_options(int argc, char **argv) {
       }
       rootpath = strdup(argv[i]);
 
+    } else if (strcmp(argv[i], "--treeroot") == 0) {
+      if (i + 1 >= argc) {
+        fprintf(stderr, "'--treeroot' takes an argument\n");
+        exit(1);
+      }
+
+      if (treeroot) {
+        fprintf(stderr, "Multiple tree roots given\n");
+        exit(1);
+      }
+      treeroot = strdup(argv[i+1]);
+
+      i++;
+
     } else if (strcmp(argv[i], "--exclude") == 0) {
       if (i + 1 >= argc) {
         fprintf(stderr, "'--exclude' takes an argument\n");
@@ -89,6 +104,7 @@ struct options parse_options(int argc, char **argv) {
     .ncachetags = cachetags_len,
     .cachetags = cachetags,
     .rootpath = rootpath,
+    .treeroot = treeroot,
     .print_depth = print_depth,
     .debug = debug,
   };