dotfiles/bin/setup-chroot
Andrei Jiroh Halili 847b847c79
Iron out gpg and gpg-agent config, among other things
Also in this commit:
* Added handle-pinentry wrapper script to exec right pinentry
  based on environment.
* Add VS Code config for stuff like GitLens settings and recommended
  extensions.

Signed-off-by: Andrei Jiroh Halili <ajhalili2006@andreijiroh.eu.org>
2023-07-25 02:11:50 +08:00

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#!/usr/bin/bash
# SPDX-License-Identifier: MPL-2.0
# A mini scirpt to handle chrooting into different environments,
# especially for Alpine Linux devenv on chroots instead of containers/VMs.
# Chroot command is optional and assume login binary
CHROOT_COMMAND=${2:-"/usr/bin/login"}
TARGET_DIR=$1
if [[ $TARGET_DIR == "" ]]; then
echo "Usage: $0 TARGET_DIR [CHROOT_COMMAND]"
exit 1
fi
if [ $EUID != "0" ]; then
echo "error: Must be root to proceed!"
exit 1
fi
echo "===> Mounting required parts for chroot operation..."
mount -o bind /dev "$TARGET_DIR/dev"
mount -t proc none "$TARGET_DIR/proc"
mount -o bind /sys "$TARGET_DIR/sys"
echo " Kernel and device mount setup done!"
sleep 3
if [[ -f "$TARGET_DIR/setup-chroot-env.sh" ]]; then
echo "===> Preparing chroot environment..."
if ! bash "$TARGET_DIR/setup-chroot-env.sh"; then
echo "! Chroot env setup failed, please proceed at your own risk."
else
echo " Setup done!"
fi
sleep 3
fi
echo "===> Teleporting to the chroot environment in 3 seconds..."
sleep 3
exec chroot "$TARGET_DIR" "${CHROOT_COMMAND}"