diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..7b23a0b
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,4 @@
+xbps-cachedir-*/
+*.iso
+*.img*
+*.tar*
diff --git a/Dockerfile b/Dockerfile
index ea91666..403d224 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,8 @@ FROM alpine:3.9 as stage0
 ARG REPOSITORY=https://alpha.de.repo.voidlinux.org
 ARG ARCH=x86_64
 COPY keys/* /target/var/db/xbps/keys/
-RUN apk add ca-certificates && \
-  wget -O - ${REPOSITORY}/static/xbps-static-latest.$(uname -m)-musl.tar.xz | \
+RUN apk add ca-certificates curl && \
+  curl ${REPOSITORY}/static/xbps-static-latest.$(uname -m)-musl.tar.xz | \
     tar Jx && \
   XBPS_ARCH=${ARCH} xbps-install.static -yMU \
     --repository=${REPOSITORY}/current \
@@ -17,6 +17,7 @@ FROM scratch as stage1
 ARG REPOSITORY=https://alpha.de.repo.voidlinux.org
 ARG ARCH=x86_64
 ARG BASEPKG=base-minimal
+ARG ADDINS=
 COPY --from=stage0 /target /
 COPY keys/* /target/var/db/xbps/keys/
 RUN xbps-reconfigure -a && \
@@ -25,10 +26,12 @@ RUN xbps-reconfigure -a && \
     --repository=${REPOSITORY}/current \
     --repository=${REPOSITORY}/current/musl \
     -r /target \
-    ${BASEPKG}
+    ${BASEPKG} ${ADDINS}
 
 # 3) configure and clean up the final image
 FROM scratch
 COPY --from=stage1 /target /
 RUN xbps-reconfigure -a && \
   rm -r /var/cache/xbps
+
+CMD ["/bin/sh"]
diff --git a/Makefile b/Makefile
index 4d80243..debacde 100644
--- a/Makefile
+++ b/Makefile
@@ -99,6 +99,6 @@ masterdir-all-print:
 masterdir-all: $(ALL_MASTERDIRS)
 
 masterdir-%:
-	$(SUDO) docker build --build-arg REPOSITORY=$(XBPS_REPOSITORY) --build-arg ARCH=$* -t voidlinux/masterdir-$*:$(DATECODE) .
+	$(SUDO) docker build --build-arg REPOSITORY=$(XBPS_REPOSITORY) --build-arg ARCH=$* --build-arg ADDINS=spdx-licenses-list -t voidlinux/masterdir-$*:$(DATECODE) .
 
 .PHONY: clean dist rootfs-all-print rootfs-all platformfs-all-print platformfs-all pxe-all-print pxe-all masterdir-all-print masterdir-all masterdir-push-all
diff --git a/build-x86-images.sh.in b/build-x86-images.sh.in
index aea0d00..6f08673 100644
--- a/build-x86-images.sh.in
+++ b/build-x86-images.sh.in
@@ -7,7 +7,7 @@ while getopts "a:b:hr:" opt; do
 case $opt in
 	a) ARCH="$OPTARG";;
 	b) IMAGE="$OPTARG";;
-	h) echo "${0#/*}: [-a arch] [-b base|e|xfce|mate|cinnamon|kde|lxde|lxqt] [-r repo]" >&2; exit 1;;
+	h) echo "${0#/*}: [-a arch] [-b base|e|xfce|mate|cinnamon|gnome|kde|lxde|lxqt] [-r repo]" >&2; exit 1;;
 	r) REPO="-r $OPTARG $REPO";;
 esac
 done
@@ -21,6 +21,7 @@ readonly E_IMG=void-live-${ARCH}-${DATE}-enlightenment.iso
 readonly XFCE_IMG=void-live-${ARCH}-${DATE}-xfce.iso
 readonly MATE_IMG=void-live-${ARCH}-${DATE}-mate.iso
 readonly CINNAMON_IMG=void-live-${ARCH}-${DATE}-cinnamon.iso
+readonly GNOME_IMG=void-live-${ARCH}-${DATE}-gnome.iso
 readonly KDE_IMG=void-live-${ARCH}-${DATE}-kde.iso
 readonly LXDE_IMG=void-live-${ARCH}-${DATE}-lxde.iso
 readonly LXQT_IMG=void-live-${ARCH}-${DATE}-lxqt.iso
@@ -33,6 +34,7 @@ readonly E_PKGS="$X_PKGS lxdm enlightenment terminology econnman udisks2 firefox
 readonly XFCE_PKGS="$X_PKGS lxdm xfce4 gnome-themes-standard gnome-keyring network-manager-applet gvfs-afc gvfs-mtp gvfs-smb udisks2 firefox-esr"
 readonly MATE_PKGS="$X_PKGS lxdm mate mate-extra gnome-keyring network-manager-applet gvfs-afc gvfs-mtp gvfs-smb udisks2 firefox-esr"
 readonly CINNAMON_PKGS="$X_PKGS lxdm cinnamon gnome-keyring colord gnome-terminal gvfs-afc gvfs-mtp gvfs-smb udisks2 firefox-esr"
+readonly GNOME_PKGS="$X_PKGS gnome gnome-terminal firefox-esr"
 readonly KDE_PKGS="$X_PKGS kde5 konsole firefox dolphin"
 readonly LXDE_PKGS="$X_PKGS lxdm lxde gvfs-afc gvfs-mtp gvfs-smb udisks2 firefox-esr"
 readonly LXQT_PKGS="$X_PKGS lxdm lxqt gvfs-afc gvfs-mtp gvfs-smb udisks2 qupzilla"
@@ -64,6 +66,13 @@ if [ -z "$IMAGE" -o "$IMAGE" = cinnamon ]; then
 		./mklive.sh -a $ARCH -o $CINNAMON_IMG -p "$CINNAMON_PKGS" ${REPO} $@
 	fi
 fi
+
+if [ -z "$IMAGE" -o "$IMAGE" = gnome ]; then
+	if [ ! -e $GNOME_IMG ]; then
+		./mklive.sh -a $ARCH -o $GNOME_IMG -p "$GNOME_PKGS" ${REPO} $@
+	fi
+fi
+
 if [ -z "$IMAGE" -o "$IMAGE" = lxde ]; then
 	if [ ! -e $LXDE_IMG ]; then
 		./mklive.sh -a $ARCH -o $LXDE_IMG -p "$LXDE_PKGS" ${REPO} $@
diff --git a/installer.sh.in b/installer.sh.in
index c007316..b16f525 100644
--- a/installer.sh.in
+++ b/installer.sh.in
@@ -1,6 +1,6 @@
 #!/bin/bash
 #-
-# Copyright (c) 2012-2015 Juan Romero Pardines <xtraeme@voidlinux.eu>.
+# Copyright (c) 2012-2015 Juan Romero Pardines <xtraeme@gmail.com>.
 #               2012 Dave Elusive <davehome@redthumb.info.tm>.
 # All rights reserved.
 #
@@ -952,6 +952,7 @@ menu_network() {
 validate_filesystems() {
     local mnts dev size fstype mntpt mkfs rootfound fmt
     local usrfound efi_system_partition
+    local bootdev=$(get_option BOOTLOADER)
 
     unset TARGETFS
     mnts=$(grep -E '^MOUNTPOINT.*' $CONF_FILE)
@@ -985,10 +986,11 @@ the mount point for the root filesystem (/) has not yet been configured." ${MSGB
         DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
 /usr mount point has been configured but is not supported, please remove it to continue." ${MSGBOXSIZE}
         return 1
-    elif [ -n "$EFI_SYSTEM" -a -z "$efi_system_partition" ]; then
+    elif [ -n "$EFI_SYSTEM" -a "$bootdev" != "none" -a -z "$efi_system_partition" ]; then
         DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
 The EFI System Partition has not yet been configured, please create it\n
 as FAT32, mountpoint /boot/efi and at least with 100MB of size." ${MSGBOXSIZE}
+        return 1
     fi
     FILESYSTEMS_DONE=1
 }
@@ -1031,7 +1033,7 @@ failed to activate swap on $dev!\ncheck $LOG for errors." ${MSGBOXSIZE}
             ext2) MKFS="mke2fs -F"; modprobe ext2 >$LOG 2>&1;;
             ext3) MKFS="mke2fs -F -j"; modprobe ext3 >$LOG 2>&1;;
             ext4) MKFS="mke2fs -F -t ext4"; modprobe ext4 >$LOG 2>&1;;
-            f2fs) MKFS="mkfs.f2fs"; modprobe f2fs >$LOG 2>&1;;
+            f2fs) MKFS="mkfs.f2fs -f"; modprobe f2fs >$LOG 2>&1;;
             vfat) MKFS="mkfs.vfat -F32"; modprobe vfat >$LOG 2>&1;;
             xfs) MKFS="mkfs.xfs -f -i sparse=0"; modprobe xfs >$LOG 2>&1;;
             esac
@@ -1191,17 +1193,10 @@ enable_dhcpd() {
 }
 
 menu_install() {
-    # Don't continue if filesystems are not ready.
-    validate_filesystems || return 1
-
     ROOTPASSWORD_DONE="$(get_option ROOTPASSWORD)"
     BOOTLOADER_DONE="$(get_option BOOTLOADER)"
 
-    if [ -z "$FILESYSTEMS_DONE" ]; then
-        DIALOG --msgbox "${BOLD}Required filesystems were not configured, \
-please do so before starting the installation.${RESET}" ${MSGBOXSIZE}
-        return 1
-    elif [ -z "$ROOTPASSWORD_DONE" ]; then
+    if [ -z "$ROOTPASSWORD_DONE" ]; then
         DIALOG --msgbox "${BOLD}The root password has not been configured, \
 please do so before starting the installation.${RESET}" ${MSGBOXSIZE}
         return 1
@@ -1211,6 +1206,16 @@ configured, please do so before starting the installation.${RESET}" ${MSGBOXSIZE
         return 1
     fi
 
+    # Validate filesystems after making sure bootloader is done,
+    # so that specific checks can be made based on the selection
+    validate_filesystems || return 1
+
+    if [ -z "$FILESYSTEMS_DONE" ]; then
+        DIALOG --msgbox "${BOLD}Required filesystems were not configured, \
+please do so before starting the installation.${RESET}" ${MSGBOXSIZE}
+        return 1
+    fi
+
     DIALOG --yesno "${BOLD}The following operations will be executed:${RESET}\n\n
 ${BOLD}${TARGETFS}${RESET}\n
 ${BOLD}${RED}WARNING: data on partitions will be COMPLETELY DESTROYED for new \
diff --git a/mklive.sh.in b/mklive.sh.in
index a4dca79..8523761 100644
--- a/mklive.sh.in
+++ b/mklive.sh.in
@@ -81,6 +81,7 @@ directory if unset).
 
  -C "cmdline args"  Add additional kernel command line arguments.
  -T "title"         Modify the bootloader title.
+ -v linux<version>  Install a custom Linux version on ISO image (linux meta-package if unset).
  -K                 Do not remove builddir.
 
 The $PROGNAME script generates a live image of the Void Linux distribution.
@@ -288,7 +289,7 @@ generate_iso_image() {
 #
 # main()
 #
-while getopts "a:b:r:c:C:T:Kk:l:i:I:s:S:o:p:h" opt; do
+while getopts "a:b:r:c:C:T:Kk:l:i:I:s:S:o:p:v:h" opt; do
     case $opt in
         a) BASE_ARCH="$OPTARG";;
         b) BASE_SYSTEM_PKG="$OPTARG";;
@@ -305,6 +306,7 @@ while getopts "a:b:r:c:C:T:Kk:l:i:I:s:S:o:p:h" opt; do
         p) PACKAGE_LIST="$OPTARG";;
         C) BOOT_CMDLINE="$OPTARG";;
         T) BOOT_TITLE="$OPTARG";;
+        v) LINUX_VERSION="$OPTARG";;
         h) usage;;
 	*) usage;;
     esac
@@ -350,7 +352,7 @@ GRUB_DIR="$BOOT_DIR/grub"
 ISOLINUX_CFG="$ISOLINUX_DIR/isolinux.cfg"
 CURRENT_STEP=0
 STEP_COUNT=9
-[ -n "${INCLUDE_DIRECTORY}" ] && ((STEP_COUNT=STEP_COUNT+1))
+[ -n "${INCLUDE_DIRECTORY}" ] && STEP_COUNT=$((STEP_COUNT+1))
 
 : ${SYSLINUX_DATADIR:="$VOIDHOSTDIR"/usr/lib/syslinux}
 : ${GRUB_DATADIR:="$VOIDHOSTDIR"/usr/share/grub}
@@ -370,10 +372,26 @@ copy_void_keys "$VOIDHOSTDIR"
 XBPS_ARCH=$BASE_ARCH $XBPS_INSTALL_CMD -r "$ROOTFS" ${XBPS_REPOSITORY} -S
 XBPS_ARCH=$ARCH $XBPS_INSTALL_CMD -r "$VOIDHOSTDIR" ${XBPS_REPOSITORY} -S
 
-_linux_series=$(XBPS_ARCH=$BASE_ARCH $XBPS_QUERY_CMD -r "$ROOTFS" ${XBPS_REPOSITORY:=-R} -x linux|head -1)
+# Get linux version for ISO
+# If linux version option specified use
+if [ -n "$LINUX_VERSION" ]; then
+    if ! echo "$LINUX_VERSION" | grep "linux[0-9._]*"; then
+        die "-v option must be in format linux<version>"
+    fi
+
+    _linux_series="$LINUX_VERSION"
+    PACKAGE_LIST="$PACKAGE_LIST $LINUX_VERSION"
+else # Otherwise find latest stable version from linux meta-package
+    _linux_series=$(XBPS_ARCH=$BASE_ARCH $XBPS_QUERY_CMD -r "$ROOTFS" ${XBPS_REPOSITORY:=-R} -x linux|head -1)
+fi
+
 _kver=$(XBPS_ARCH=$BASE_ARCH $XBPS_QUERY_CMD -r "$ROOTFS" ${XBPS_REPOSITORY:=-R} -p pkgver ${_linux_series})
 KERNELVERSION=$($XBPS_UHELPER_CMD getpkgversion ${_kver})
 
+if [ "$?" -ne "0" ]; then
+    die "Failed to find kernel package version"
+fi
+
 : ${OUTPUT_FILE="void-live-${BASE_ARCH}-${KERNELVERSION}-$(date +%Y%m%d).iso"}
 
 print_step "Installing software to generate the image: ${REQUIRED_PKGS} ..."
diff --git a/mkplatformfs.sh.in b/mkplatformfs.sh.in
index dfd860c..69fbc92 100644
--- a/mkplatformfs.sh.in
+++ b/mkplatformfs.sh.in
@@ -135,7 +135,7 @@ set_target_arch_from_platform
 set_cachedir
 
 # Append any additional packages if they were requested
-if [ -z "$EXTRA_PKGS" ] ; then
+if [ -n "$EXTRA_PKGS" ] ; then
     PKGS="$PKGS $EXTRA_PKGS"
 fi