Build image without sudo in systems with FUSE

scripts/base-system-fuse.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+set -e
+
+SCRIPTDIR=$(dirname "$BASH_SOURCE")
+source "$SCRIPTDIR/duckos.sh"
+
+if [ $# -eq 0 ]; then
+  fail "Please provide a directory to create the filesystem in."
+fi
+
+FS_DIR="$1"
+
+msg "Copying base and kernel to filesystem..."
+if [ -d "${SOURCE_DIR}/user" ]; then
+  rsync -auH --inplace "${SOURCE_DIR}/user/"* "$FS_DIR" || (echo "Couldn't copy user folder." && exit 1)
+else
+  warn "No user folder, or empty user folder."
+fi
+rsync -auH --inplace "${SOURCE_DIR}/base/"* "$FS_DIR" || (echo "Couldn't copy base." && exit 1)
+rsync -auH --inplace "root/"* "$FS_DIR"/ || (echo "Couldn't copy root." && exit 1)
+
+msg "Setting up root filesystem..."
+msg "Setting up devices..."
+if [ -d "$FS_DIR"/dev ]; then
+  rm -rf "${FS_DIR:?}"/dev/*
+fi
+mkdir -p "$FS_DIR"/dev
+mkdir -p "$FS_DIR"/dev/input
+mkdir -p "$FS_DIR"/dev/pts
+msg "Setting up directories..."
+chmod -R g+rX,o+rX "$FS_DIR"/
+
+msg "Setting up /proc/..."
+mkdir -p "$FS_DIR"/proc
+chmod 555 "$FS_DIR"/proc
+
+msg "Setting up /sock/..."
+mkdir -p "$FS_DIR"/sock
+chmod 777 "$FS_DIR"/sock
+
+msg "Setting up /etc/..."
+chown 0:0 "$FS_DIR"/etc/*
+chown 0:0 "$FS_DIR"/etc/init/*
+chown 0:0 "$FS_DIR"/etc/init/services/*
+
+success "Done setting up root filesystem!"

scripts/image-fuseloop.sh

@@ -0,0 +1,120 @@
+#!/bin/bash
+set -e
+
+SCRIPTDIR=$(dirname "$BASH_SOURCE")
+source "$SCRIPTDIR/duckos.sh"
+
+FUSELOOP=fuseloop
+
+detach_and_unmount() {
+  msg "Cleaning up..."
+  if [ ! -z "$MOUNTED" ]; then
+    fusermount -u mnt/ || fail "Couldn't unmount."
+    rmdir mnt || fail "Couldn't rmdir mnt."
+    fusermount -u "$part"
+  fi
+
+  if [ ! -z "$dev" ]; then
+    fusermount -u "${dev}" || fail "Couldn't clean up loopback device."
+  fi
+}
+
+ON_FAIL=detach_and_unmount
+
+SYSTEM="$(uname -s)"
+DU_COMMAND="du"
+IMAGE_NAME="duckOS.img"
+IMAGE_EXTRASIZE="100000"
+
+# Calculate size of image
+USER_SIZE=0
+if [ -d "${SOURCE_DIR}/user" ]; then
+  USER_SIZE=$("$DU_COMMAND" -sk "${SOURCE_DIR}/user" | cut -f1)
+fi
+IMAGE_SIZE=$(($("$DU_COMMAND" -sk root | cut -f1) + IMAGE_EXTRASIZE + USER_SIZE))
+IMAGE_SIZE=$(expr '(' '(' "$IMAGE_SIZE" + 1023 ')' / 1024 ')' '*' 1024)
+
+msg "Creating image ($IMAGE_SIZE K)..."
+qemu-img create -q -f raw "$IMAGE_NAME" "$IMAGE_SIZE"k || fail "Couldn't create image"
+chown "$SUDO_UID":"$SUDO_GID" "$IMAGE_NAME"
+
+msg "Making loopback device..."
+touch dev
+dev="dev"
+$FUSELOOP $IMAGE_NAME dev
+touch p1
+part="p1"
+if [ -z "$dev" ]; then
+ fail "Couldn't create loopback device."
+fi
+
+msg "Loopback device mounted at ${dev}"
+
+msg "Creating partition table..."
+/sbin/parted -s "${dev}" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || fail "Couldn't partition image."
+
+sectorsize=512
+line=`/sbin/fdisk -c -u -l -C 300 -H 64 -S 32 -b 512 $IMAGE_NAME|grep $IMAGE_NAME|grep Linux|sed 's/\*//'`
+set -- $line
+offs=$(($2*$sectorsize))
+size=$((($3-$2)*$sectorsize))
+
+$FUSELOOP -O "$offs" -S "$size" $IMAGE_NAME "$part"
+
+msg "Creating ext2 filesystem..."
+yes | /sbin/mke2fs -q -I 128 -b 1024 "${part}" || fail "Couldn't create filesystem."
+
+msg "Mounting filesystem on ${part} to mnt ..."
+mkdir -p mnt/
+fuseext2 -o rw+ "${part}" mnt/ || fail "Couldn't mount."
+MOUNTED="1"
+
+msg "Installing grub..."
+GRUB_COMMAND="/usr/sbin/grub2-install"
+GRUB_EXTRAARGS="--force"
+if ! type "$GRUB_COMMAND" &> /dev/null; then
+    GRUB_COMMAND="/usr/sbin/grub-install"
+fi
+"$GRUB_COMMAND" --boot-directory=mnt/boot --target=i386-pc --modules="ext2 part_msdos" "${dev}" $GRUB_EXTRAARGS || fail "Couldn't install grub."
+if [[ -d "mnt/boot/grub2" ]]; then
+    cp "${SOURCE_DIR}/scripts/grub.cfg" mnt/boot/grub2/grub.cfg || fail "Couldn't copy grub.cfg."
+elif [[ -d "mnt/boot/grub" ]]; then
+    cp "${SOURCE_DIR}/scripts/grub.cfg" mnt/boot/grub/grub.cfg || fail "Couldn't copy grub.cfg."
+else
+    fail "Couldn't find GRUB installation directory."
+fi
+
+msg "Setting up base filesystem..."
+bash "${SOURCE_DIR}/scripts/base-system-fuse.sh" mnt/ || fail "Couldn't make base filesystem."
+
+fusermount -u mnt/ || fail "Couldn't unmount."
+rmdir mnt || fail "Couldn't rmdir mnt."
+
+#detach_and_unmount
+
+msg "Setting up base filesystem block devices..."
+#$FUSELOOP -O "$offs" -S "$size" $IMAGE_NAME "$part"
+
+/sbin/debugfs -w $part << EOF
+cd dev
+mknod tty0 c 4 0
+mknod hda b 3 0
+mknod random c 1 8
+mknod null c 1 3
+mknod zero c 1 5
+mknod klog c 1 16
+mknod fb0 b 29 0
+mknod ptmx c 5 2
+mknod snd0 c 69 2
+cd input
+mknod keyboard c 13 0
+mknod mouse c 13 1
+quit
+EOF
+
+fusermount -u "$part"
+unset MOUNTED
+
+detach_and_unmount
+
+success "Done! Saved to $IMAGE_NAME."