discover/grub2: Implement 'search' command

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

diff --git a/discover/grub2/builtins.c b/discover/grub2/builtins.c
index cd56dcc033f8eb67d414e68d241fd5e53b315edb..8171b8d4907bb2f2067f73ee790d6cb20fd74697 100644 (file)
--- a/discover/grub2/builtins.c
+++ b/discover/grub2/builtins.c
@@ -97,6 +97,32 @@ static int builtin_initrd(struct grub2_script *script,
        return 0;
 }
 
        return 0;
 }
 

+static int builtin_search(struct grub2_script *script,
+               void *data __attribute__((unused)),
+               int argc, char *argv[])
+{
+       const char *env_var, *spec;
+       int i;
+
+       env_var = NULL;
+
+       for (i = 1; i < argc - 1; i++) {
+               if (!strncmp(argv[i], "--set=", strlen("--set="))) {
+                       env_var = argv[i] + strlen("--set=");
+                       break;
+               }
+       }
+
+       if (!env_var)
+               return 0;
+
+       spec = argv[argc - 1];
+
+       script_env_set(script, env_var, spec);
+
+       return 0;
+}
+

 static struct {
        const char *name;
        grub2_function fn;
 static struct {
        const char *name;
        grub2_function fn;


@@ -112,6 +138,10 @@ static struct {
        {
                .name = "initrd",
                .fn = builtin_initrd,
        {
                .name = "initrd",
                .fn = builtin_initrd,

+       },
+       {
+               .name = "search",
+               .fn = builtin_search,

        }
 };
 
        }
 };