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From 661f3b90f29f96a733aaff62ff0ca899ed34234d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dennis=20G=C3=BCnnewig?= <dev@fedux.org>
Date: Sun, 30 May 2021 15:16:17 +0200
Subject: [PATCH] update-kernel: Make path for tmpdir changeable via cli flag
On a Raspberry Pi 3B+ the memory is limited. Updating a kernel might be not possible due to "out of space" situations. This MR adds a flag to mitigate the problem for users facing this issue.
---
update-kernel.in | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/update-kernel.in b/update-kernel.in
index dce5006..51fed76 100644
--- a/update-kernel.in
+++ b/update-kernel.in
@@ -31,6 +31,7 @@ REPOSITORIES_FILE=/etc/apk/repositories
KEYS_DIR=/etc/apk/keys
SIGNALS="HUP INT TERM"
TMPDIR=
+TMPDIR_PATH="/tmp"
features=
modloopfw=
@@ -55,6 +56,7 @@ usage() {
-F|--feature <feature> Enable initfs feature
-p|--package <package> Additional module or firmware package
-s|--modloopsign Sign modloop with abuild key
+ -t|--tmpdir <directory> Choose different (non RAM) temporary directory for build files etc.
-v|--verbose Verbose output
-k|--apk-pubkey <key> Include given key in initramfs
-K|--hostkeys Include host keys in initramfs
@@ -68,8 +70,8 @@ usage() {
}
QUIET_OPT="--quiet"
-OPTS=$(getopt -l arch:,build-dir:,flavor:,feature:,modloopfw:,help,package:,modloopsign,verbose,apk-pubkey:,hostkeys,compression:,media,repositories-file:,keys-dir: \
- -n $SCRIPT -o a:b:f:F:hp:svk:KC:Md: -- "$@") || usage 1
+OPTS=$(getopt -l arch:,build-dir:,flavor:,feature:,modloopfw:,help,package:,modloopsign,tmpdir:,verbose,apk-pubkey:,hostkeys,compression:,media,repositories-file:,keys-dir: \
+ -n $SCRIPT -o a:b:f:F:hp:st:vk:KC:Md: -- "$@") || usage 1
eval set -- "$OPTS"
while :; do
@@ -105,6 +107,10 @@ while :; do
-s|--modloopsign)
MODLOOPSIGN=1
;;
+ -t|--tmpdir)
+ shift
+ TMPDIR_PATH="$1"
+ ;;
-v|--verbose)
QUIET_OPT=
;;
@@ -218,7 +224,7 @@ fi
[ "$ARCH" ] || ARCH=$(apk --print-arch)
-TMPDIR=$(mktemp -d /tmp/$SCRIPT.XXXXXX)
+TMPDIR=$(mktemp -d "$TMPDIR_PATH/$SCRIPT.XXXXXX")
ROOT=$TMPDIR/root
BOOT=$ROOT/boot
--
2.31.1
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