added stage 1: preparing the i486 chroot

1 files changed, 88 insertions, 0 deletions

diff --git a/prepare_stage1_repo.sh b/prepare_stage1_repo.sh
new file mode 100755
index 0000000..882c431
--- /dev/null
+++ b/prepare_stage1_repo.sh
@@ -0,0 +1,88 @@
+#!/bin/sh
+
+. "./default.conf"
+
+set -x 
+
+# prepare the i486-chroot for stage 1
+# prepare pacman in i486-chroot
+
+sudo rm -rf $STAGE1_CHROOT
+
+if test ! -d $STAGE1_CHROOT; then
+
+	# create and initialize a new i486 chroot in $STAGE1_CHROOT
+	
+	echo "Creating chroot for stage 1 artifacts in $STAGE1_CHROOT"
+	mkdir $STAGE1_CHROOT
+
+	# prepare directories for a new pacman root
+	
+	mkdir -p $STAGE1_CHROOT/etc/pacman.d $STAGE1_CHROOT/var/lib/pacman \
+		$STAGE1_CHROOT/var/cache/pacman/pkg \
+		$STAGE1_CHROOT/var/log $STAGE1_CHROOT/etc/pacman.d/gnupg/ \
+		$STAGE1_CHROOT/etc/pacman.d/hooks/
+
+	# adapt configuration to work from outside the chroot to write artifacts
+	# into the chroot
+
+	cp /etc/pacman.conf $STAGE1_CHROOT/etc/.
+
+	sed -i 's@^Architecture.*@Architecture = i486@g' $STAGE1_CHROOT/etc/pacman.conf
+
+	sed -i 's@#RootDir.*@RootDir = /home/cross/i486-root@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@#DBPath.*@DBPath = /home/cross/i486-root/var/lib/pacman/@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@#CacheDir.*@CacheDir = /home/cross/i486-root/var/cache/pacman/pkg/@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@#LogFile.*@LogFile = /home/cross/i486-root/var/log/pacman.log@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@#GPGDir.*@GPGDir = /home/cross/i486-root/etc/pacman.d/gnupg/@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@#HookDir.*@HookDir = /home/cross/i486-root/etc/pacman.d/hooks/@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@^HoldPkg@#HoldPkg@g' $STAGE1_CHROOT/etc/pacman.conf
+
+	# disable all standard repos
+
+	sed -i 's@\(^Include = /etc/pacman.d/mirrorlist\)@#\1@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@\[core\]@#[core]@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@\[extra\]@#[extra]@g' $STAGE1_CHROOT/etc/pacman.conf
+	sed -i 's@\[community\]@#[community]@g' $STAGE1_CHROOT/etc/pacman.conf
+
+	# add a temporary package repo in the filesystem
+	cat >>$STAGE1_CHROOT/etc/pacman.conf <<EOF
+[temp]
+SigLevel = Never
+Server = file://$STAGE1_CHROOT/packages/\$arch
+EOF
+
+	# create a local package directory
+
+	mkdir -p $STAGE1_CHROOT/packages $STAGE1_CHROOT/packages/i486
+	repo-add -n $STAGE1_CHROOT/packages/i486/temp.db.tar.gz $STAGE1_CHROOT/packages/i486/*
+
+	# finally, test and initialize ALPM library
+
+	sudo pacman --config $STAGE1_CHROOT/etc/pacman.conf -r $STAGE1_CHROOT -Syyu
+	pacman --config $STAGE1_CHROOT/etc/pacman.conf -r $STAGE1_CHROOT -Q
+
+	# prepare the build enviroment
+
+	mkdir $HOME/build
+	cd $HOME/build
+
+	# prepare makepkg for building into the i486-chroot
+
+	cp /usr/bin/makepkg $HOME/build/makepkg-i486
+
+	# patch run_pacman in makepkg, we cannot pass the pacman root to it as parameter ATM
+	sed -i "s@\"\$PACMAN_PATH\"@\"\$PACMAN_PATH\" --config $STAGE1_CHROOT/etc/pacman.conf -r $STAGE1_CHROOT@" makepkg-i486
+
+	cp /etc/makepkg.conf makepkg-i486.conf
+	sed -i 's@^CARCH=.*@CARCH="i486"@' makepkg-i486.conf
+	sed -i 's@^CHOST=.*@CHOST="i486-unknown-linux-gnu"@' makepkg-i486.conf
+	sed -i 's@^#MAKEFLAGS=.*@MAKEFLAGS="-j20"@' makepkg-i486.conf
+	sed -i 's@-march=x86-64 -mtune=generic @@' makepkg-i486.conf
+
+	echo "Prepared the stage 1 build environment."
+
+fi
+
+
+