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dockerTools: keep symlinks to nix intact

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This commit is contained in:
Robert Hensing 2020-06-19 09:02:17 +02:00
parent caf47063b4
commit 2dd94af186
1 changed files with 7 additions and 3 deletions
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10
pkgs/build-support/docker/store-path-to-layer.sh
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@ -16,7 +16,11 @@ mkdir -p "$layerPath"
# when there are other things being added to the
# nix store, tar could fail, saying,
# "tar: /nix/store: file changed as we read it"
mkdir -p nix/store
#
# In addition, we use `__Nix__` instead of `nix` to avoid renaming
# relative symlink destinations like
# /nix/store/...-nix-2.3.4/bin/nix-daemon -> nix
mkdir -p __Nix__/store
# Then we change into the /nix/store in order to
# avoid a similar "file changed as we read it" error
@ -35,8 +39,8 @@ tarhash=$(
--hard-dereference --sort=name \
--mtime="@$SOURCE_DATE_EPOCH" \
--owner=0 --group=0 \
--transform 's,^nix$,/\0,' \
--transform 's,^nix/store$,/\0,' \
--transform 's,^__Nix__$,/nix,' \
--transform 's,^__Nix__/store$,/nix/store,' \
--transform 's,^[^/],/nix/store/\0,rS' |
tee "$layerPath/layer.tar" |
tarsum