v0.2 - It works, bitchez!

bin/.gitignore

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+*
+!.gitignore

dev/.gitignore

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+*
+!.gitignore

init

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+#!/busybox sh
+
+die() {
+    echo ""
+    echo "Shit broke! Panic shell!"
+    echo ""
+    /busybox --install -s
+    exec /bin/sh
+}
+
+
+info() {
+    echo -n "-|-" ${@} "... "
+}
+
+isok() {
+    if [[ $1 -eq 0 ]]; then
+        echo "[ OK ]"
+    else
+        echo "[ FUCK ]"
+        die
+    fi
+}
+
+info "waiting for usb devices to settle"
+echo ""
+for i in 10 9 8 7 6 5 4 3 2 1 0; do
+    echo -en ${i}'\r'
+    /busybox sleep 1
+done
+echo ""
+isok 0
+
+info "mounting devtmpfs"
+/busybox mount -n -t devtmpfs devtmpfs ./dev
+isok $?
+
+info "mounting proc"
+/busybox mount -n -t proc proc ./proc
+isok $?
+
+# rootfs_location_uuid=f822d881-d88a-4200-a9cf-6986c5a3e69a
+info "looking for device with rootfs"
+for var in $(cat /proc/cmdline); do
+    if [[ ${var/=*} = rootfs_location_uuid ]]; then
+        uuid=${var/*=}
+    fi
+done
+device=$(findfs UUID=${uuid})
+isok $?
+
+# rootfs_filename=rootfs.tar.xz
+info "getting rootfs filename"
+for var in $(cat /proc/cmdline); do
+    if [[ ${var/=*} = rootfs_filename ]]; then
+        filename=${var/*=}
+    fi
+done
+if [[ -z ${filename} ]]; then
+    info "going with default"
+    filename=rootfs.tar.xz
+fi
+isok 0
+
+info "trying to mount ${device}"
+/busybox mount -n -o ro ${device} /mnt
+isok $?
+
+info "trying to mount root tmpfs"
+/busybox mount -n -o size=4G -t tmpfs roottmpfs /roottmpfs
+isok $?
+
+info "checking if ${filename} exists"
+[[ -e /mnt/${filename} ]]
+isok $?
+
+info "unpacking; will take some time"
+(
+    /busybox tar -C /roottmpfs -xJf /mnt/${filename}
+    isok $?
+) &
+# progress dots
+echo ""
+while [[ ! -z "$(jobs)" ]]; do echo -n .; jobs>/dev/null ; sleep 1; done
+
+info "unmounting rootfs package location"
+/busybox umount -n /mnt
+isok $?
+
+info "unmounting /dev"
+/busybox umount -n /dev
+isok $?
+
+info "unmounting /proc"
+/busybox umount -n /proc
+isok $?
+
+info "trying to switch root"
+exec /busybox switch_root /roottmpfs /sbin/init
+
+echo ""
+echo "we should not reach this place! here be dragons!"
+echo ""
+
+die
+

mnt/.gitignore

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+*
+!.gitignore

proc/.gitignore

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+*
+!.gitignore

roottmpfs/.gitignore

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+*
+!.gitignore

sbin/.gitignore

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+*
+!.gitignore