mirror of
https://github.com/nix-community/nixos-anywhere.git
synced 2024-10-05 12:17:10 +03:00
fix bashism
[[ ]] is not available in POSIX sh, and test -o is not well defined either. Move the facts-gathering script out so it can be tested with shellcheck.
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commit
3170c45be4
@ -37,13 +37,13 @@ stdenv.mkDerivation {
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src = ./..;
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nativeBuildInputs = [ makeWrapper ];
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installPhase = ''
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install -D -m 0755 src/nixos-anywhere.sh $out/bin/nixos-anywhere
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install -D --target-directory=$out/libexec/nixos-anywhere/ -m 0755 src/*.sh
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# We prefer the system's openssh over our own, since it might come with features not present in ours:
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# https://github.com/nix-community/nixos-anywhere/issues/62
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#
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# We also prefer system rsync to prevent crashes between rsync and ssh.
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wrapProgram $out/bin/nixos-anywhere \
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makeShellWrapper $out/libexec/nixos-anywhere/nixos-anywhere.sh $out/bin/nixos-anywhere \
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--prefix PATH : ${lib.makeBinPath runtimeDeps} --suffix PATH : ${lib.makeBinPath [ openssh ]}
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'';
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20
src/get-facts.sh
Executable file
20
src/get-facts.sh
Executable file
@ -0,0 +1,20 @@
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#!/bin/sh
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set -efu "${enable_debug:-}"
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has() {
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command -v "$1" >/dev/null && echo "y" || echo "n"
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}
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is_nixos=$(if test -f /etc/os-release && grep -q ID=nixos /etc/os-release; then echo "y"; else echo "n"; fi)
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cat <<FACTS
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is_os=$(uname)
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is_arch=$(uname -m)
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is_kexec=$(if test -f /etc/is_kexec; then echo "y"; else echo "n"; fi)
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is_nixos=$is_nixos
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is_installer=$(if [ "$is_nixos" = "y" ] && grep -q VARIANT_ID=installer /etc/os-release; then echo "y"; else echo "n"; fi)
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is_container=$(if [ "$(has systemd-detect-virt)" = "y" ]; then systemd-detect-virt --container; else echo "none"; fi)
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has_tar=$(has tar)
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has_sudo=$(has sudo)
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has_doas=$(has doas)
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has_wget=$(has wget)
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has_curl=$(has curl)
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has_setsid=$(has setsid)
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FACTS
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@ -62,6 +62,7 @@ step() {
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echo "### $* ###"
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}
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here=$(dirname "${BASH_SOURCE[0]}")
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kexec_url=""
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enable_debug=""
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maybe_reboot="sleep 6 && reboot"
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@ -321,29 +322,7 @@ done
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import_facts() {
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local facts filtered_facts
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if ! facts=$(
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ssh_ -o ConnectTimeout=10 sh -- <<SSH
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set -efu ${enable_debug}
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has(){
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command -v "\$1" >/dev/null && echo "y" || echo "n"
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}
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is_nixos=\$(if test -f /etc/os-release && grep -q ID=nixos /etc/os-release; then echo "y"; else echo "n"; fi)
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cat <<FACTS
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is_os=\$(uname)
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is_arch=\$(uname -m)
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is_kexec=\$(if test -f /etc/is_kexec; then echo "y"; else echo "n"; fi)
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is_nixos=\$is_nixos
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is_installer=\$(if [[ "\$is_nixos" == "y" ]] && grep -q VARIANT_ID=installer /etc/os-release; then echo "y"; else echo "n"; fi)
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is_container=\$(if [[ "\$(has systemd-detect-virt)" == "y" ]]; then systemd-detect-virt --container; else echo "none"; fi)
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has_tar=\$(has tar)
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has_sudo=\$(has sudo)
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has_doas=\$(has doas)
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has_wget=\$(has wget)
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has_curl=\$(has curl)
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has_setsid=\$(has setsid)
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FACTS
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SSH
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); then
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if ! facts=$(ssh_ -o ConnectTimeout=10 enable_debug=$enable_debug sh -- <"$here"/get-facts.sh); then
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exit 1
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fi
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filtered_facts=$(echo "$facts" | grep -E '^(has|is)_[a-z0-9_]+=\S+')
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@ -510,13 +489,13 @@ export PATH="\$PATH:/run/current-system/sw/bin"
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# needed for installation if initrd-secrets are used
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mkdir -p /mnt/tmp
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chmod 777 /mnt/tmp
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if [[ ${copy_host_keys-n} == "y" ]]; then
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if [ ${copy_host_keys-n} = "y" ]; then
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# NB we copy host keys that are in turn copied by kexec installer.
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mkdir -m 755 -p /mnt/etc/ssh
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for p in /etc/ssh/ssh_host_*; do
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# Skip if the source file does not exist (i.e. glob did not match any files)
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# or the destination already exists (e.g. copied with --extra-files).
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if [ ! -e "\$p" -o -e "/mnt/\$p" ]; then
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if [ ! -e "\$p" ] || [ -e "/mnt/\$p" ]; then
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continue
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fi
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cp -a "\$p" "/mnt/\$p"
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