From ab946ab7c12a5f25c62c0abfea5fa38189411e7b Mon Sep 17 00:00:00 2001
From: lassulus <lass@aidsballs.de>
Date: Fri, 18 Sep 2015 03:04:39 +0200
Subject: add "make infest"

---
 krebs/4lib/infest/1prepare | 74 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 krebs/4lib/infest/1prepare

(limited to 'krebs/4lib/infest/1prepare')

diff --git a/krebs/4lib/infest/1prepare b/krebs/4lib/infest/1prepare
new file mode 100644
index 000000000..07c00c3a5
--- /dev/null
+++ b/krebs/4lib/infest/1prepare
@@ -0,0 +1,74 @@
+#! /bin/sh
+set -efu
+
+prepare() {(
+  if test -e /etc/os-release; then
+    . /etc/os-release
+    case $ID in
+      centos)
+        case $VERSION_ID in
+          7)
+            prepare_centos7 "$@"
+            exit
+            ;;
+        esac
+        ;;
+    esac
+  fi
+  echo "$0 prepare: unknown OS" >&2
+  exit -1
+)}
+
+prepare_centos7() {
+  type bzip2 2>/dev/null || yum install -y bzip2
+  type git   2>/dev/null || yum install -y git
+  type rsync 2>/dev/null || yum install -y rsync
+  if ! getent group nixbld >/dev/null; then
+    groupadd -g 30000 -r nixbld
+  fi
+  for i in `seq 1 10`; do
+    if ! getent passwd nixbld$i 2>/dev/null; then
+      useradd \
+        -c "CentOS Nix build user $i" \
+        -d /var/empty \
+        -g 30000 \
+        -G 30000 \
+        -l \
+        -M \
+        -s /sbin/nologin \
+        -u $(expr 30000 + $i) \
+        nixbld$i
+      rm -f /var/spool/mail/nixbld$i
+    fi
+  done
+
+  #
+  # mount install directory
+  #
+
+  if ! mount | grep -Fq '/dev/mapper/centos-root on /mnt type xfs'; then
+    mkdir -p /newshit
+    mount --bind /newshit /mnt
+  fi
+
+  if ! mount | grep -Fq '/dev/sda1 on /mnt/boot type xfs'; then
+    mkdir -p /mnt/boot
+    mount /dev/sda1 /mnt/boot
+  fi
+
+  mount | grep 'on /mnt\>' >&2
+
+  #
+  # prepare install directory
+  #
+
+  mkdir -p /mnt/etc/nixos
+  mkdir -m 0555 -p /mnt/var/empty
+
+  if ! mount | grep -Fq '/dev/mapper/centos-root on /mnt/root type xfs'; then
+    mkdir -p /mnt/root
+    mount --bind /root /mnt/root
+  fi
+}
+
+prepare "$@"
-- 
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