diff options
Diffstat (limited to 'pkgs/build-support/docker/store-path-to-layer.sh')
| -rwxr-xr-x | pkgs/build-support/docker/store-path-to-layer.sh | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pkgs/build-support/docker/store-path-to-layer.sh b/pkgs/build-support/docker/store-path-to-layer.sh index c7850154c7e..c808abab7a8 100755 --- a/pkgs/build-support/docker/store-path-to-layer.sh +++ b/pkgs/build-support/docker/store-path-to-layer.sh @@ -13,8 +13,8 @@ echo "Creating layer #$layerNumber for $storePath" mkdir -p "$layerPath" -# make sure /nix and /nix/store appear first in the archive. -# we create the directories here and use them because +# Make sure /nix and /nix/store appear first in the archive. +# We create the directories here and use them because # when there are other things being added to the # nix store, tar could fail, saying, # "tar: /nix/store: file changed as we read it" @@ -25,16 +25,16 @@ tar -cf "$layerPath/layer.tar" \ --transform='s,nix,/nix,' \ nix -# we change into the /nix/store in order to avoid a similar +# We change into the /nix/store in order to avoid a similar # "file changed as we read it" error as above. Namely, # if we use the absolute path of /nix/store/123-pkg -# and something new it added to the nix store while tar +# and something new is added to the nix store while tar # is running, it will detect a change to /nix/store and # fail. Instead, if we cd into the nix store and copy # the relative nix store path, tar will ignore changes # to /nix/store. In order to create the correct structure # in the tar file, we transform the relative nix store -# path to the absolute store path +# path to the absolute store path. n=$(basename "$storePath") tar -C /nix/store -rpf "$layerPath/layer.tar" \ --hard-dereference --sort=name \ |