1 files changed, 38 insertions, 0 deletions
diff --git a/modules.d/90dmsquash-live/iso-scan.sh b/modules.d/90dmsquash-live/iso-scan.sh
new file mode 100755
index 0000000..fa06b33
--- /dev/null
+++ b/modules.d/90dmsquash-live/iso-scan.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh
+
+PATH=/usr/sbin:/usr/bin:/sbin:/bin
+
+isofile=$1
+
+[ -z "$isofile" ] && exit 1
+
+ismounted "/run/initramfs/isoscan" && exit 0
+
+mkdir -p "/run/initramfs/isoscan"
+
+do_iso_scan() {
+    local _name
+    local dev
+    for dev in /dev/disk/by-uuid/*; do
+        _name=$(dev_unit_name "$dev")
+        [ -e /tmp/isoscan-"${_name}" ] && continue
+        : > /tmp/isoscan-"${_name}"
+        mount -t auto -o ro "$dev" "/run/initramfs/isoscan" || continue
+        if [ -f "/run/initramfs/isoscan/$isofile" ]; then
+            losetup -f "/run/initramfs/isoscan/$isofile"
+            udevadm trigger --action=add > /dev/null 2>&1
+            ln -s "$dev" /run/initramfs/isoscandev
+            rm -f -- "$job"
+            exit 0
+        else
+            umount "/run/initramfs/isoscan"
+        fi
+    done
+}
+
+do_iso_scan
+
+rmdir "/run/initramfs/isoscan"
+exit 1