Rick Rongen
03f0ec6f88
Added VFS and Ext2 support. Optimized attributes of methods to improve code highlighting. Printf attribute, malloc attribute, etc.
53 lines
805 B
Bash
Executable File
53 lines
805 B
Bash
Executable File
#!/bin/bash
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IMG_FILE=rootfs.img
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IMG_SIZE=100 # MB
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function log() {
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echo "$*"
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}
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function yes_or_no() {
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while true; do
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read -p "$* [y/n]: " yn
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case $yn in
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[Yy]*) return 0 ;;
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[Nn]*)
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echo "Aborted"
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return 1
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;;
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esac
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done
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}
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function setup_lb() {
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sudo losetup -fP --show ${IMG_FILE}
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}
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if [ ! -d mnt ]; then
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mkdir mnt
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fi
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if [ -f "${IMG_FILE}" ]; then
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log "${IMG_FILE} already exists"
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if ! yes_or_no "Continue?"; then
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exit 1
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fi
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fi
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# build img
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dd if=/dev/zero of=${IMG_FILE} bs=1M count=${IMG_SIZE}
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parted -s ${IMG_FILE} mktable msdos
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parted -s ${IMG_FILE} mkpart primary ext2 0 100%
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LB_DEV="$(setup_lb)"
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if [ -z "${LB_DEV}" ]; then
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log "Failed to setup loobback"
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exit 1
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fi
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sudo mkfs.ext2 -L rootfs "${LB_DEV}p1"
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sudo mount "${LB_DEV}p1" mnt
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