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April 12, 2020 16:02
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[clever@amd-nixos:~]$ cat /etc/systemd/system/kexec.target.wants/prepare-kexec.service | |
[Unit] | |
Before=systemd-kexec.service | |
DefaultDependencies=false | |
Description=Preparation for kexec | |
[Service] | |
Environment="LOCALE_ARCHIVE=/nix/store/bxvgw2bw2xsjpl132q5553c3dbmk8a8z-glibc-locales-2.27/lib/locale/locale-archive" | |
Environment="PATH=/nix/store/v1qk9fda4xgdsn3ik96cxdzlmbli9mpp-kexec-tools-2.0.20/bin:/nix/store/gnw6yrqy249n62r4q8vy12ispviv3dav-coreutils-8.31/bin:/nix/store/5khv52whjiwr3ajszxqwz5rgjms8g3mb-findutils-4.7.0/bin:/nix/store/adg7sif4n4v679ibxqzjp59x15nplbnx-gnugrep-3.3/bin:/nix/store/sqwrm4jpc3j5ghfm1rv8rnkqvifqqbs2-gnused-4.7/bin:/nix/store/xdmdlw4m1ad99xm6y5wrmx655iadfza7-systemd-243/bin:/nix/store/v1qk9fda4xgdsn3ik96cxdzlmbli9mpp-kexec-tools-2.0.20/sbin:/nix/store/gnw6yrqy249n62r4q8vy12ispviv3dav-coreutils-8.31/sbin:/nix/store/5khv52whjiwr3ajszxqwz5rgjms8g3mb-findutils-4.7.0/sbin:/nix/store/adg7sif4n4v679ibxqzjp59x15nplbnx-gnugrep-3.3/sbin:/nix/store/sqwrm4jpc3j5ghfm1rv8rnkqvifqqbs2-gnused-4.7/sbin:/nix/store/xdmdlw4m1ad99xm6y5wrmx655iadfza7-systemd-243/sbin" | |
Environment="TZDIR=/nix/store/l2z3c3p95f4125x2gjmvn93qriisfcxk-tzdata-2019b/share/zoneinfo" | |
ExecStart=/nix/store/2claa6ilb3ksamdw3mj6qcm402lrajf6-unit-script-prepare-kexec-start | |
Type=oneshot | |
[clever@amd-nixos:~]$ cat /nix/store/2claa6ilb3ksamdw3mj6qcm402lrajf6-unit-script-prepare-kexec-start | |
#! /nix/store/wd1jazzawjk4w1d31ism7fm7vdg4ma9l-bash-4.4-p23/bin/bash -e | |
# Don't load the current system profile if we already have a kernel loaded | |
if [[ 1 = "$(</sys/kernel/kexec_loaded)" ]] ; then | |
echo "kexec kernel has already been loaded, prepare-kexec skipped" | |
exit 0 | |
fi | |
p=$(readlink -f /nix/var/nix/profiles/system) | |
if ! [[ -d $p ]]; then | |
echo "Could not find system profile for prepare-kexec" | |
exit 1 | |
fi | |
echo "Loading NixOS system via kexec." | |
exec kexec --load $p/kernel --initrd=$p/initrd --append="$(cat $p/kernel-params) init=$p/init" | |
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