ephemient · May 24, 2024 13:13 · ephemient · Aug 21, 2021
diff --git a/⁄etc⁄pacman.d⁄hooks⁄linux-modules-post.hook b/⁄etc⁄pacman.d⁄hooks⁄linux-modules-post.hook
 [Trigger]
 Operation = Upgrade
 Type = Package
 Target = linux

 [Action]
 Description = Restore Linux kernel modules
 When = PostTransaction
 Depends = coreutils
 Depends = rsync
 Exec = /bin/sh -xc 'KVER="${KVER:-$(uname -r)}"; if test -e "/lib/modules/backup/${KVER}"; then rsync -AHXal --ignore-existing "/lib/modules/backup/${KVER}" /lib/modules/; fi; rm -rf /lib/modules/backup'
diff --git a/⁄etc⁄pacman.d⁄hooks⁄linux-modules-pre.hook b/⁄etc⁄pacman.d⁄hooks⁄linux-modules-pre.hook
 [Trigger]
 Operation = Upgrade
 Type = Package
 Target = linux

 [Action]
 Description = Save Linux kernel modules
 When = PreTransaction
 Depends = rsync
 Exec = /bin/sh -c 'KVER="${KVER:-$(uname -r)}"; if test -e "/lib/modules/${KVER}"; then rsync -AHXal --delete-after "/lib/modules/${KVER}" /lib/modules/backup/; fi'
diff --git a/⁄etc⁄systemd⁄system⁄linux-modules-cleanup.service b/⁄etc⁄systemd⁄system⁄linux-modules-cleanup.service
 [Unit]
 Description=Clean up modules from old kernels

 [Service]
 Type=oneshot
 ExecStart=/bin/bash -exc 'for i in /usr/lib/modules/[0-9]*; do if [[ $${i##*/} = \'%v\' ]] || pacman -Qo "$${i}"; then continue; fi; rsync -AHXal "$${i}" /usr/lib/modules/.old/; rm -rf "$${i}"; done'

 [Install]
 WantedBy=basic.target
diff --git a/⁄etc⁄tmpfiles.d⁄linux-modules-cleanup.conf b/⁄etc⁄tmpfiles.d⁄linux-modules-cleanup.conf
 R! /usr/lib/modules/.old/* - - - 4w
diff --git a/⁄usr⁄share⁄licenses⁄Unlicense b/⁄usr⁄share⁄licenses⁄Unlicense
 This is free and unencumbered software released into the public domain.

 Anyone is free to copy, modify, publish, use, compile, sell, or
 distribute this software, either in source code form or as a compiled
 binary, for any purpose, commercial or non-commercial, and by any
 means.

 In jurisdictions that recognize copyright laws, the author or authors
 of this software dedicate any and all copyright interest in the
 software to the public domain. We make this dedication for the benefit
 of the public at large and to the detriment of our heirs and
 successors. We intend this dedication to be an overt act of
 relinquishment in perpetuity of all present and future rights to this
 software under copyright law.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.

 For more information, please refer to <http://unlicense.org/>
	[Trigger]
	Operation = Upgrade
	Type = Package
	Target = linux

	[Action]
	Description = Restore Linux kernel modules
	When = PostTransaction
	Depends = coreutils
	Depends = rsync
	Exec = /bin/sh -xc 'KVER="${KVER:-$(uname -r)}"; if test -e "/lib/modules/backup/${KVER}"; then rsync -AHXal --ignore-existing "/lib/modules/backup/${KVER}" /lib/modules/; fi; rm -rf /lib/modules/backup'
	[Unit]
	Description=Clean up modules from old kernels

	[Service]
	Type=oneshot
	ExecStart=/bin/bash -exc 'for i in /usr/lib/modules/[0-9]; do if [[ $${i##/} = \'%v\' ]] \|\| pacman -Qo "$${i}"; then continue; fi; rsync -AHXal "$${i}" /usr/lib/modules/.old/; rm -rf "$${i}"; done'

	[Install]
	WantedBy=basic.target
	This is free and unencumbered software released into the public domain.

	Anyone is free to copy, modify, publish, use, compile, sell, or
	distribute this software, either in source code form or as a compiled
	binary, for any purpose, commercial or non-commercial, and by any
	means.

	In jurisdictions that recognize copyright laws, the author or authors
	of this software dedicate any and all copyright interest in the
	software to the public domain. We make this dedication for the benefit
	of the public at large and to the detriment of our heirs and
	successors. We intend this dedication to be an overt act of
	relinquishment in perpetuity of all present and future rights to this
	software under copyright law.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
	IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
	OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	OTHER DEALINGS IN THE SOFTWARE.

	For more information, please refer to <http://unlicense.org/>