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nixos/etc-overlay: fix shellcheck issues in activation script

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This commit is contained in:
r-vdp
2025-11-24 23:55:34 -03:00
parent ea0b43147f
commit fc3e644e4f
1 changed files with 6 additions and 6 deletions
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nixos/modules/system/etc/etc.nix
+6 -6
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@@ -283,23 +283,23 @@ in
''}
tmpMetadataMount=$(TMPDIR="/run" mktemp --directory -t nixos-etc-metadata.XXXXXXXXXX)
mount --type erofs --options ro,nodev,nosuid ${config.system.build.etcMetadataImage} $tmpMetadataMount
mount --type erofs --options ro,nodev,nosuid ${config.system.build.etcMetadataImage} "$tmpMetadataMount"
# There was no previous /etc mounted. This happens when we're called
# directly without an initrd, like with nixos-enter.
if ! mountpoint -q /etc; then
mount --type overlay \
--options nodev,nosuid,lowerdir=$tmpMetadataMount::${config.system.build.etcBasedir},${etcOverlayOptions} \
--options nodev,nosuid,lowerdir="$tmpMetadataMount"::${config.system.build.etcBasedir},${etcOverlayOptions} \
overlay /etc
else
# Mount the new /etc overlay to a temporary private mount.
# This needs the indirection via a private bind mount because you
# cannot move shared mounts.
tmpEtcMount=$(TMPDIR="/run" mktemp --directory -t nixos-etc.XXXXXXXXXX)
mount --bind --make-private $tmpEtcMount $tmpEtcMount
mount --bind --make-private "$tmpEtcMount" "$tmpEtcMount"
mount --type overlay \
--options nodev,nosuid,lowerdir=$tmpMetadataMount::${config.system.build.etcBasedir},${etcOverlayOptions} \
overlay $tmpEtcMount
--options nodev,nosuid,lowerdir="$tmpMetadataMount"::${config.system.build.etcBasedir},${etcOverlayOptions} \
overlay "$tmpEtcMount"
# Before moving the new /etc overlay under the old /etc, we have to
# move mounts on top of /etc to the new /etc mountpoint.
@@ -334,7 +334,7 @@ in
# This should eventually use util-linux to perform this move beneath,
# however, this functionality is not yet in util-linux. See this
# tracking issue: https://github.com/util-linux/util-linux/issues/2604
${pkgs.move-mount-beneath}/bin/move-mount --move --beneath $tmpEtcMount /etc
${pkgs.move-mount-beneath}/bin/move-mount --move --beneath "$tmpEtcMount" /etc
# Unmount the top /etc mount to atomically reveal the new mount.
umount --lazy --recursive /etc