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dockerTools: add --sort=name options on all tar calls

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This is to go to a reproducible image build.
Note without this options image are identical from the Docker point of
view but generated docker archives could have different hashes.
This commit is contained in:
Antoine Eiche 2018-03-12 18:26:15 +01:00
parent 346996ceec
commit ac0c491836
1 changed files with 5 additions and 5 deletions
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10
pkgs/build-support/docker/default.nix
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@ -212,7 +212,7 @@ rec {
postMount = ''
echo "Packing raw image..."
tar -C mnt --hard-dereference --mtime="@$SOURCE_DATE_EPOCH" -cf $out .
tar -C mnt --hard-dereference --sort=name --mtime="@$SOURCE_DATE_EPOCH" -cf $out .
'';
};
@ -277,7 +277,7 @@ rec {
# Tar up the layer and throw it into 'layer.tar'.
echo "Packing layer..."
mkdir $out
tar -C layer --hard-dereference --mtime="@$SOURCE_DATE_EPOCH" --owner=${toString uid} --group=${toString gid} -cf $out/layer.tar .
tar -C layer --hard-dereference --sort=name --mtime="@$SOURCE_DATE_EPOCH" --owner=${toString uid} --group=${toString gid} -cf $out/layer.tar .
# Compute a checksum of the tarball.
echo "Computing layer checksum..."
@ -359,7 +359,7 @@ rec {
echo "Packing layer..."
mkdir $out
tar -C layer --hard-dereference --mtime="@$SOURCE_DATE_EPOCH" -cf $out/layer.tar .
tar -C layer --hard-dereference --sort=name --mtime="@$SOURCE_DATE_EPOCH" -cf $out/layer.tar .
# Compute the tar checksum and add it to the output json.
echo "Computing checksum..."
@ -489,7 +489,7 @@ rec {
comm <(sort -n baseFiles|uniq) \
<(sort -n layerFiles|uniq|grep -v ${layer}) -1 -3 > newFiles
# Append the new files to the layer.
tar -rpf temp/layer.tar --hard-dereference --mtime="@$SOURCE_DATE_EPOCH" \
tar -rpf temp/layer.tar --hard-dereference --sort=name --mtime="@$SOURCE_DATE_EPOCH" \
--owner=0 --group=0 --no-recursion --files-from newFiles
echo "Adding meta..."
@ -537,7 +537,7 @@ rec {
chmod -R a-w image
echo "Cooking the image..."
tar -C image --hard-dereference --mtime="@$SOURCE_DATE_EPOCH" --owner=0 --group=0 --xform s:'./':: -c . | pigz -nT > $out
tar -C image --hard-dereference --sort=name --mtime="@$SOURCE_DATE_EPOCH" --owner=0 --group=0 --xform s:'./':: -c . | pigz -nT > $out
echo "Finished."
'';