Speed up dpkg by using unasfe-io on porterbox chroots

[dsa-puppet.git] / modules / porterbox / files / setup-dchroot

diff --git a/modules/porterbox/files/setup-dchroot b/modules/porterbox/files/setup-dchroot
index 5050b6c36716d16f68a1f2feb8b6290f8686d5b7..e99e54af211b750b308865902aed81700b19faf1 100755 (executable)
--- a/modules/porterbox/files/setup-dchroot
+++ b/modules/porterbox/files/setup-dchroot
@@ -89,8 +89,8 @@ type=file
 file=$target
 groups=$groupuser
 root-groups=$grouproot
-source-groups=adm
-source-root-groups=adm
+#source-groups=adm
+#source-root-groups=adm
 EOF
 
     if dpkg --compare-versions "$(lsb_release --release --short)" '<' 7; then
@@ -123,6 +123,16 @@ EOF
     esac
 }
 
+do_config() {
+    local tmpschrootconf=$(tempfile)
+    cleanup+=("rm -f $tmpschrootconf")
+    genschrootconf "$suite" "$arch" "$target" > "$tmpschrootconf"
+    if ! [ -e "$schrootconfig" ] || ! diff "$schrootconfig" "$tmpschrootconf" > /dev/null; then
+        mv "$tmpschrootconf" "$schrootconfig"
+        chmod 644 "$schrootconfig"
+    fi
+}
+
 
 set -e
 set -u
@@ -141,7 +151,7 @@ personality="dsa"
 sbuildnames=""
 ubuntu=""
 groupuser="Debian,guest"
-grouproot="adm"
+grouproot=""
 declare -a cleanup
 trap do_cleanup EXIT
 
@@ -217,9 +227,11 @@ schrootconfig="/etc/schroot/chroot.d/${tuple}-dchroot"
 #
 # let's go
 #
-genschrootconf "$suite" "$arch" "$target" | tee "$schrootconfig"
 
-if [ -n "$configonly" ]; then exit 0; fi
+if [ -n "$configonly" ]; then
+    do_config
+    exit 0
+fi
 
 rootdir=$(mktemp -d "$builddir/create-$suite-XXXXXX")
 cleanup+=("rm -r $rootdir")
@@ -233,6 +245,7 @@ debootstrap \
     --arch="$arch" \
     "$suite" "$rootdir" "$mirror"
 echo "$tuple" > $rootdir/etc/debian_chroot
+echo "force-unsafe-io" > $rootdir/etc/dpkg/dpkg.cfg.d/force-unsafe-io
 
 chroot "$rootdir" apt-get update
 chroot "$rootdir" apt-get install -y --force-yes --no-install-recommends policyrcd-script-zg2
@@ -257,8 +270,11 @@ chmod +x "$rootdir/usr/local/sbin/policy-rc.d"
 [ -z "$ubuntu" ] && chroot "$rootdir" apt-get install -y --force-yes --no-install-recommends locales-all
 chroot "$rootdir" apt-get install -y --force-yes --no-install-recommends zsh build-essential less vim fakeroot devscripts gdb
 rm -f "$rootdir/etc/apt/sources.list" "$rootdir/etc/apt/sources.list.d/*"
+chroot "$rootdir" apt-get clean
 umount "$rootdir/sys" || true
 
 tartmp=$(tempfile --directory "$basedir" --suffix=".tar.gz")
 cleanup+=("rm -f $tartmp")
 (cd "$rootdir" && tar caf "$tartmp" . && mv "$tartmp" "$target")
+
+do_config