[arch-releng] [RFC] [archiso] Populate /run/aif/AIF_IGNORE_DEVS with archiso virtual devices

[Thomas Bächler]

The file /run/aif/AIF_IGNORE_DEVS can be used by AIF to filter
the device list in the "Prepare Hard Drives" step.
---
 archiso/hooks/archiso          |    4 ++++
 archiso/hooks/archiso_loop_mnt |    2 ++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/archiso/hooks/archiso b/archiso/hooks/archiso
index 2635a4c..6d2eb07 100644
--- a/archiso/hooks/archiso
+++ b/archiso/hooks/archiso
@@ -19,6 +19,8 @@ _make_loop_dev() {
     local img="${1}"
     mknod /dev/loop${loop_dev_count} b 7 ${loop_dev_minor} &> /dev/null
     losetup /dev/loop${loop_dev_count} "${img}" &> /dev/null
+    mkdir -p /run/aif/
+    echo /dev/loop${loop_dev_count} >> /run/aif/AIF_IGNORE_DEVS
     echo /dev/loop${loop_dev_count}
 }
 
@@ -58,6 +60,8 @@ _mnt_fs() {
     rw_dev=$(_make_loop_dev "/run/archiso/cowspace/${cow_directory}/${img_name}.cow")
 
     echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} 8" | dmsetup create ${dm_snap_name}
+    mkdir -p /run/aif/
+    echo /dev/mapper/${dm_snap_name} >> /run/aif/AIF_IGNORE_DEVS
 
     msg ":: Mounting '/dev/mapper/${dm_snap_name}' to '${newroot}${mnt}'"
     if ! mount "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" ; then
diff --git a/archiso/hooks/archiso_loop_mnt b/archiso/hooks/archiso_loop_mnt
index e52dc69..b326092 100644
--- a/archiso/hooks/archiso_loop_mnt
+++ b/archiso/hooks/archiso_loop_mnt
@@ -28,6 +28,8 @@ archiso_loop_mount_handler () {
         losetup -d ${_dev_loop}
         umount /run/archiso/img_dev
     else
+        mkdir -p /run/aif/
+        echo ${_dev_loop} >> /run/aif/AIF_IGNORE_DEVS
         echo ${_dev_loop} > /run/archiso/img_dev_loop
     fi
 }
-- 
1.7.9