From 67b77ae4d7626d6007cc8e0726ca3b8239429681 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 13 Feb 2016 16:21:24 +0100
Subject: krebs/4lib/infest: merge install-nix.sh into prepare.sh

---
 krebs/4lib/infest/install-nix.sh | 50 ---------------------------------------
 krebs/4lib/infest/prepare.sh     | 51 ++++++++++++++++++++++++++++++++++++++--
 2 files changed, 49 insertions(+), 52 deletions(-)
 delete mode 100644 krebs/4lib/infest/install-nix.sh

(limited to 'krebs/4lib')

diff --git a/krebs/4lib/infest/install-nix.sh b/krebs/4lib/infest/install-nix.sh
deleted file mode 100644
index af1a8bd16..000000000
--- a/krebs/4lib/infest/install-nix.sh
+++ /dev/null
@@ -1,50 +0,0 @@
-#! /bin/sh
-set -efu
-
-nix_url=https://nixos.org/releases/nix/nix-1.10/nix-1.10-x86_64-linux.tar.bz2
-nix_sha256=504f7a3a85fceffb8766ae5e1005de9e02e489742f5a63cc3e7552120b138bf4
-
-install_nix() {(
-
-  # install nix on host (cf. https://nixos.org/nix/install)
-  if ! test -e /root/.nix-profile/etc/profile.d/nix.sh; then
-    (
-      verify() {
-        printf '%s  %s\n' $nix_sha256  $(basename $nix_url) | sha256sum -c
-      }
-      if ! verify; then
-        curl -C - -O "$nix_url"
-        verify
-      fi
-    )
-    nix_src_dir=$(basename $nix_url .tar.bz2)
-    tar jxf $nix_src_dir.tar.bz2
-    $nix_src_dir/install
-  fi
-
-  . /root/.nix-profile/etc/profile.d/nix.sh
-
-  for i in \
-    bash \
-    coreutils \
-    # This line intentionally left blank.
-  do
-    if ! nix-env -q $i | grep -q .; then
-      nix-env -iA nixpkgs.pkgs.$i
-    fi
-  done
-
-  # install nixos-install
-  if ! type nixos-install 2>/dev/null; then
-    nixpkgs_expr='import <nixpkgs> { system = builtins.currentSystem; }'
-    nixpkgs_path=$(find /nix/store -mindepth 1 -maxdepth 1 -name *-nixpkgs-* -type d)
-    nix-env \
-      --arg config "{ nix.package = ($nixpkgs_expr).nix; }" \
-      --arg pkgs "$nixpkgs_expr" \
-      --arg modulesPath 'throw "no modulesPath"' \
-      -f $nixpkgs_path/nixpkgs/nixos/modules/installer/tools/tools.nix \
-      -iA config.system.build.nixos-install
-  fi
-)}
-
-install_nix "$@"
diff --git a/krebs/4lib/infest/prepare.sh b/krebs/4lib/infest/prepare.sh
index 0bfc49380..d9271da73 100644
--- a/krebs/4lib/infest/prepare.sh
+++ b/krebs/4lib/infest/prepare.sh
@@ -1,6 +1,9 @@
 #! /bin/sh
 set -efu
 
+nix_url=https://nixos.org/releases/nix/nix-1.10/nix-1.10-x86_64-linux.tar.bz2
+nix_sha256=504f7a3a85fceffb8766ae5e1005de9e02e489742f5a63cc3e7552120b138bf4
+
 prepare() {(
   if test -e /etc/os-release; then
     . /etc/os-release
@@ -70,7 +73,7 @@ prepare_debian() {
   prepare_common
 }
 
-prepare_common() {
+prepare_common() {(
 
   if ! getent group nixbld >/dev/null; then
     groupadd -g 30000 -r nixbld
@@ -133,6 +136,50 @@ prepare_common() {
     mkdir -p /mnt/nix
     mount --bind /nix /mnt/nix
   fi
-}
+
+  #
+  # install nix
+  #
+
+  # install nix on host (cf. https://nixos.org/nix/install)
+  if ! test -e /root/.nix-profile/etc/profile.d/nix.sh; then
+    (
+      verify() {
+        printf '%s  %s\n' $nix_sha256  $(basename $nix_url) | sha256sum -c
+      }
+      if ! verify; then
+        curl -C - -O "$nix_url"
+        verify
+      fi
+    )
+    nix_src_dir=$(basename $nix_url .tar.bz2)
+    tar jxf $nix_src_dir.tar.bz2
+    $nix_src_dir/install
+  fi
+
+  . /root/.nix-profile/etc/profile.d/nix.sh
+
+  for i in \
+    bash \
+    coreutils \
+    # This line intentionally left blank.
+  do
+    if ! nix-env -q $i | grep -q .; then
+      nix-env -iA nixpkgs.pkgs.$i
+    fi
+  done
+
+  # install nixos-install
+  if ! type nixos-install 2>/dev/null; then
+    nixpkgs_expr='import <nixpkgs> { system = builtins.currentSystem; }'
+    nixpkgs_path=$(find /nix/store -mindepth 1 -maxdepth 1 -name *-nixpkgs-* -type d)
+    nix-env \
+      --arg config "{ nix.package = ($nixpkgs_expr).nix; }" \
+      --arg pkgs "$nixpkgs_expr" \
+      --arg modulesPath 'throw "no modulesPath"' \
+      -f $nixpkgs_path/nixpkgs/nixos/modules/installer/tools/tools.nix \
+      -iA config.system.build.nixos-install
+  fi
+)}
 
 prepare "$@"
-- 
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