63 lines
1.3 KiB
Bash
63 lines
1.3 KiB
Bash
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#!/bin/bash
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APPNAME="CHROOT VFS SETUP"
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T_SYSROOT=${dir_sysroot}
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assert_zero() {
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if [[ "$1" -eq 0 ]]; then
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return
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else
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exit $1
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fi
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}
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# ISO 8601 variation
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TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
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LOG_DIR="${dir_logs}/${APPNAME}-${TIMESTAMP}"
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# the file to log to
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LOGFILE="${APPNAME}.log"
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logprint() {
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mkdir -p "${LOG_DIR}"
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echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
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| tee -a "${LOG_DIR}/${LOGFILE}"
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}
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is_mounted() {
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findmnt $1 &> /dev/null
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if [ $? != 0 ]; then
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/usr/bin/false
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else
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logprint "Already mounted, skipping."
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/usr/bin/true
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fi
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}
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logprint "CHROOT VFS SETUP"
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mkdir -pv ${T_SYSROOT}/{dev,proc,sys,run}
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assert_zero $?
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logprint "Bind mounting /dev from host to chroot sysroot..."
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is_mounted ${T_SYSROOT}/dev || mount -v --bind /dev ${T_SYSROOT}/dev
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assert_zero $?
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logprint "Bind mounting /dev/pts from host to chroot sysroot..."
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is_mounted ${T_SYSROOT}/dev/pts || mount -v --bind /dev/pts ${T_SYSROOT}/dev/pts
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assert_zero $?
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logprint "mounting proc filesystem from to chroot sysroot..."
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is_mounted ${T_SYSROOT}/proc || mount -v -t proc proc ${T_SYSROOT}/proc
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assert_zero $?
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# not a symlink on ubuntu
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if [ -h ${T_SYSROOT}/dev/shm ]; then
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mkdir -vp ${T_SYSROOT}/$(readlink ${T_SYSROOT})/dev/shm
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assert_zero $?
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else
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mount -t tmpfs -o nosuid,nodev tmpfs ${T_SYSROOT}/dev/shm
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fi
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