shell: Rewrite documentation and improve error message

diff --git a/shell.c b/shell.c
index e07aef4bf2331765deba3a344a2d1641becb4068..f0f6c2d3be924e976fe1bbc7e962b8ceaf83f37d 100644 (file)
--- a/shell.c
+++ b/shell.c
@@ -149,8 +149,11 @@ int main(int argc, char **argv)
        } else if (argc == 1) {
                /* Allow the user to run an interactive shell */
                cd_to_homedir();
-               if (access(COMMAND_DIR, R_OK | X_OK) == -1)
-                       die("Sorry, the interactive git-shell is not enabled");
+               if (access(COMMAND_DIR, R_OK | X_OK) == -1) {
+                       die("Interactive git shell is not enabled.\n"
+                           "hint: ~/" COMMAND_DIR " should exist "
+                           "and have read and execute access.");
+               }
                run_shell();
                exit(0);
        } else if (argc != 3 || strcmp(argv[1], "-c")) {