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stage-2: Fixes system path detection

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Though this is still naïve and hardcoded to the last one.
This commit is contained in:
Samuel Dionne-Riel 2019-09-21 15:23:50 -04:00
parent 6d0b820318
commit 7f236593f3
1 changed files with 9 additions and 3 deletions
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12
modules/stage-2.nix
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@ -12,10 +12,15 @@ with import ./initrd-order.nix;
_init_path() {
local _system=""
# IF no /nix/var...
if [ -e "$targetRoot/nix/var/nix/profiles/system" ]; then
_system="$targetRoot/nix/var/nix/profiles/system"
# Using -L is required, as the link chain is most likely dangling.
if [ -L "$targetRoot/nix/var/nix/profiles/system" ]; then
# There is a system symlink, use it.
# What's that strange dance? We're canonicalizing one level deep of an
# absolute symlink that we can't easily canonicalize otherwise.
_system=$(cd $targetRoot/nix/var/nix/profiles/; readlink $(readlink system))
elif [ -e "$targetRoot/nix-path-registration" ]; then
# Otherwise, try to find one in nix-path-registration.
_system="$(grep '^/nix/store/[a-z0-9]\+-nixos-system-' $targetRoot/nix-path-registration | head -1)"
else
echo "!!!!!"
@ -29,6 +34,7 @@ with import ./initrd-order.nix;
echo "!!!!!"
echo "!!!!!"
sleep 2m
exit 1
fi
echo "$_system/init"