53 lines
1,013 B
Bash
Executable file
53 lines
1,013 B
Bash
Executable file
#!/usr/bin/env bash
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help () {
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echo 'dchr-run <chroot-dir> <command>'
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echo 'https://dchr.dc09.ru'
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}
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clean () {
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echo '-- Cleaning up'
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umount "$1/proc"
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umount "$1/sys"
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umount "$1/dev"
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umount "$1/run"
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}
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error () {
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echo -e '-- \e[1;31mError\e[0m -- see output above'
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exit 1 # `trap` in main() calls cleanup function
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}
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setup () {
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echo '-- Mounting'
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mount -t proc /proc "$1/proc" || error
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mount -t sysfs /sys "$1/sys" || error
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mount -o bind /dev "$1/dev" || error
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mount -o bind /run "$1/run"
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}
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runcmd () {
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echo -e '-- \e[1;32mOK\e[0m -- running chroot'
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chroot "$1" "$2"
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}
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main () {
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[[ "$1" == "--help" || "$1" == "" ]] && help && exit 0
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chrdir=$(readlink -f "$1")
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chrcmd="${2:-/bin/bash}"
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trap "clean \"$chrdir\"" EXIT
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setup "$chrdir"
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runcmd "$chrdir" "$chrcmd"
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exit $?
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}
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sourced () {
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[ -n "$ZSH_VERSION" ] && [[ "$ZSH_EVAL_CONTEXT" =~ :file ]] && return 0
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[ -n "$BASH_VERSION" ] && [[ "$0" != "$BASH_SOURCE" ]] && return 0
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return 1
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}
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sourced || main "$@"
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