Add overlay_root config option. Opkg checks this location for available space.

[oweals/opkg-lede.git] / libopkg / opkg_install.c

diff --git a/libopkg/opkg_install.c b/libopkg/opkg_install.c
index 783887509fad84d7b92786fb1f87e9f475ce19f5..74a2ce115a62e8496baaa2d3af1c3e57890f1705 100644 (file)
--- a/libopkg/opkg_install.c
+++ b/libopkg/opkg_install.c
@@ -21,6 +21,7 @@
 #include <time.h>
 #include <signal.h>
 #include <unistd.h>
+#include <sys/stat.h>
 
 #include "pkg.h"
 #include "pkg_hash.h"
@@ -192,13 +193,24 @@ static int
 verify_pkg_installable(pkg_t *pkg)
 {
        unsigned long kbs_available, pkg_size_kbs;
-       char *root_dir;
+       char *root_dir = NULL;
+       struct stat s;
 
        if (conf->force_space || pkg->installed_size == 0)
                return 0;
 
-       root_dir = pkg->dest ? pkg->dest->root_dir :
-                                               conf->default_dest->root_dir;
+       if (pkg->dest)
+       {
+               if (!strcmp(pkg->dest->name, "root") && conf->overlay_root
+                   && !stat(conf->overlay_root, &s) && (s.st_mode & S_IFDIR))
+                       root_dir = conf->overlay_root;
+               else
+                       root_dir = pkg->dest->root_dir;
+       }
+
+       if (!root_dir)
+               root_dir = conf->default_dest->root_dir;
+
        kbs_available = get_available_kbytes(root_dir);
 
        pkg_size_kbs = (pkg->installed_size + 1023)/1024;