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Represent 'follows' inputs explicitly in the lock file

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This fixes an issue where lockfile generation was not idempotent:
after updating a lockfile, a "follows" node would end up pointing to a
new copy of the node, rather than to the original node.
This commit is contained in:
Eelco Dolstra 2020-06-11 14:40:21 +02:00
parent 195ed43b60
commit 0c62b4ad0f
8 changed files with 165 additions and 111 deletions
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9
tests/flakes.sh
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@ -551,7 +551,7 @@ cat > $flake3Dir/flake.nix <<EOF
EOF
nix flake update $flake3Dir
[[ $(jq .nodes.root.inputs.foo $flake3Dir/flake.lock) = $(jq .nodes.root.inputs.bar $flake3Dir/flake.lock) ]]
[[ $(jq -c .nodes.root.inputs.bar $flake3Dir/flake.lock) = '["foo"]' ]]
cat > $flake3Dir/flake.nix <<EOF
{
@ -563,7 +563,7 @@ cat > $flake3Dir/flake.nix <<EOF
EOF
nix flake update $flake3Dir
[[ $(jq .nodes.bar.locked.url $flake3Dir/flake.lock) =~ flake1 ]]
[[ $(jq -c .nodes.root.inputs.bar $flake3Dir/flake.lock) = '["flake2","flake1"]' ]]
cat > $flake3Dir/flake.nix <<EOF
{
@ -575,7 +575,7 @@ cat > $flake3Dir/flake.nix <<EOF
EOF
nix flake update $flake3Dir
[[ $(jq .nodes.bar.locked.url $flake3Dir/flake.lock) =~ flake2 ]]
[[ $(jq -c .nodes.root.inputs.bar $flake3Dir/flake.lock) = '["flake2"]' ]]
# Test overriding inputs of inputs.
cat > $flake3Dir/flake.nix <<EOF
@ -604,7 +604,8 @@ cat > $flake3Dir/flake.nix <<EOF
EOF
nix flake update $flake3Dir --recreate-lock-file
[[ $(jq .nodes.flake1.locked.url $flake3Dir/flake.lock) =~ flake7 ]]
[[ $(jq -c .nodes.flake2.inputs.flake1 $flake3Dir/flake.lock) =~ '["foo"]' ]]
[[ $(jq .nodes.foo.locked.url $flake3Dir/flake.lock) =~ flake7 ]]
# Test Mercurial flakes.
rm -rf $flake5Dir