* Argh, another short-write problem. Added wrappers around

  read()/write() to fix this once and for all.

1 files changed, 3 insertions, 0 deletions

diff --git a/scripts/nix-switch.in b/scripts/nix-switch.in
index 55305418c7f6..2ccb6b4e5786 100755
--- a/scripts/nix-switch.in
+++ b/scripts/nix-switch.in
@@ -15,6 +15,9 @@ $hash || die "no package hash specified";
 my $linkdir = "@localstatedir@/nix/links";
 
 # Build the specified package, and all its dependencies.
+system "nix -ih $hash";
+if ($?) { die "`nix -ih' failed"; }
+
 my $pkgdir = `nix -qph $hash`;
 if ($?) { die "`nix -qph' failed"; }
 chomp $pkgdir;