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-rw-r--r--archiso/Makefile2
-rw-r--r--archiso/hooks/archiso_loop_mnt33
-rw-r--r--archiso/install/archiso_loop_mnt18
3 files changed, 53 insertions, 0 deletions
diff --git a/archiso/Makefile b/archiso/Makefile
index 688eb1b..93d68af 100644
--- a/archiso/Makefile
+++ b/archiso/Makefile
@@ -10,6 +10,8 @@ install: all
install -D -m 644 install/archiso $(DESTDIR)/lib/initcpio/install/archiso
install -D -m 644 hooks/archiso_pxe_nbd $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_nbd
install -D -m 644 install/archiso_pxe_nbd $(DESTDIR)/lib/initcpio/install/archiso_pxe_nbd
+ install -D -m 644 hooks/archiso_loop_mnt $(DESTDIR)/lib/initcpio/hooks/archiso_loop_mnt
+ install -D -m 644 install/archiso_loop_mnt $(DESTDIR)/lib/initcpio/install/archiso_loop_mnt
# install docs and examples
install -d -m 755 $(DESTDIR)/usr/share/archiso/
cp -r ../configs $(DESTDIR)/usr/share/archiso/configs
diff --git a/archiso/hooks/archiso_loop_mnt b/archiso/hooks/archiso_loop_mnt
new file mode 100644
index 0000000..0d5eba7
--- /dev/null
+++ b/archiso/hooks/archiso_loop_mnt
@@ -0,0 +1,33 @@
+# vim: set ft=sh:
+
+run_hook () {
+ if [ -n "${img_dev}" ] && [ -n "${img_loop}" ]; then
+ mount_handler="archiso_loop_mount_handler"
+ fi
+}
+
+archiso_loop_mount_handler () {
+ newroot="${1}"
+
+ while [ ! -b "${img_dev}" ]; do
+ sleep 1
+ done
+
+ msg "::: Setup a loop device from ${img_loop} located at device ${img_dev}"
+ FSTYPE=$(blkid -o value -s TYPE -p ${img_dev} 2> /dev/null)
+ if [ -n "${FSTYPE}" ]; then
+ if mount -r -t "${FSTYPE}" ${img_dev} /img_dev > /dev/null 2>&1; then
+ _dev_loop=$(losetup -f)
+ losetup ${_dev_loop} /img_dev/${img_loop}
+ fi
+ fi
+
+ archiso_mount_handler ${newroot}
+
+ if [ "${copytoram}" = "y" ]; then
+ msg "::: Deataching loop device ${_dev_loop}"
+ losetup -d ${_dev_loop}
+ msg "::: Unmounting ${img_dev}"
+ umount ${img_dev}
+ fi
+}
diff --git a/archiso/install/archiso_loop_mnt b/archiso/install/archiso_loop_mnt
new file mode 100644
index 0000000..c0d21a6
--- /dev/null
+++ b/archiso/install/archiso_loop_mnt
@@ -0,0 +1,18 @@
+# vim: set ft=sh:
+
+install ()
+{
+ MODULES=""
+
+ BINARIES=""
+ FILES=""
+ add_dir /img_dev
+ SCRIPT="archiso_loop_mnt"
+}
+
+help ()
+{
+cat<<HELPEOF
+ This hook loads the necessary modules for boot via loop device.
+HELPEOF
+}