From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 8 Mar 2021 11:25:30 +0000 (+0000)
Subject: add mk-deb-chroot based on coriolis2-chroot
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=00b106aaf5bcd9dcfcdcc300411763c3ced95f0a;p=dev-env-setup.git

add mk-deb-chroot based on coriolis2-chroot
---

diff --git a/mk-deb-chroot b/mk-deb-chroot
new file mode 100755
index 0000000..9853493
--- /dev/null
+++ b/mk-deb-chroot
@@ -0,0 +1,80 @@
+#!/bin/bash
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root"
+  exit
+fi
+if [ -z "$1"  ]
+  then echo "need arg $1 for chroot to make"
+  exit
+fi
+chrootdir="$1"
+echo "creating chroot '$chrootdir'"
+# Setup fstab mount points
+cat <<EOF >> /etc/fstab
+/dev      /opt/chroot/$chrootdir/dev      none   bind   0   0
+/dev/pts  /opt/chroot/$chrootdir/dev/pts  none   bind   0   0
+/proc     /opt/chroot/$chrootdir/proc     none   bind   0   0
+/sys      /opt/chroot/$chrootdir/sys      none   bind   0   0
+/tmp      /opt/chroot/$chrootdir/tmp      none   bind   0   0
+EOF
+
+# Create coriolis chroot dir in /opt
+mkdir -p /opt/chroot/$chrootdir
+# Install debootstrap and schroot via apt
+apt install -y debootstrap schroot
+# Install debian/buster chroot using debootstrap
+/usr/sbin/debootstrap buster /opt/chroot/$chrootdir http://ftp.debian.org/debian
+# Mount all chroot mount points from fstab
+mount /opt/chroot/$chrootdir/dev
+mount /opt/chroot/$chrootdir/dev/pts
+mount /opt/chroot/$chrootdir/proc
+mount /opt/chroot/$chrootdir/sys
+mount /opt/chroot/$chrootdir/tmp
+echo "$chrootdir" > /opt/chroot/$chrootdir/etc/debian_chroot
+# Install apt dependencies in the chroot
+chroot /opt/chroot/$chrootdir /bin/bash << EOF
+echo Installing necessary apt dependencies in the chroot
+apt-get update -y
+apt-get upgrade -y
+apt-get install -y automake binutils-dev build-essential \
+ccache cmake gcc git \
+libtool \
+python3 python3-pip \
+python3-setuptools python-dev 
+
+# Create user with same UID in the chroot
+useradd -m -p `python -c 'import crypt; print crypt.crypt("1234","Fx")'` -s /bin/bash $SUDO_USER -k /etc/skel
+echo -e "
+Added user ${SUDO_USER} with \e[1;91mpassword: 1234\e[0m"
+
+echo -e "
+\e[1;91mPlease use command 'passwd ${SUDO_USER}' to change this immediately after this script is run for security purposes.\e[0m
+"
+
+# Add convenience variable to chroot user .bash_profile
+echo -e 'export PATH=/usr/lib/ccache:"\044PATH"\nexport DISPLAY=:0.0\n' > /home/$SUDO_USER/.bash_profile
+chown $SUDO_USER /home/$SUDO_USER/.bash_profile
+chgrp $SUDO_USER /home/$SUDO_USER/.bash_profile
+
+echo -e "Added 'export PATH=/usr/lib/ccache:\"\044PATH\"\nexport DISPLAY=:0.0' to /home/$SUDO_USER/.bash_profile to speed up rebuilds"
+EOF
+
+# Add chroot config to schroot.conf
+cat <<EOF >>/etc/schroot/schroot.conf
+[$chrootdir]
+description=Debian Buster for $chrootdir
+directory=/opt/chroot/$chrootdir
+groups=sbuild-security,$SUDO_USER,users
+EOF
+
+echo "Adding the following $chrootdir section to /etc/schroot/schroot.conf:
+
+[$chrootdir]
+description=Debian Buster for $chrootdir
+directory=/opt/chroot/$chrootdir
+groups=sbuild-security,$SUDO_USER,users
+
+This enables you to chroot into $chrootdir as an unprivileged user by running
+'schroot -c $chrootdir /bin/bash'
+"
+