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Add flag --override-input to override specific lock file entries

E.g.

  $ nix flake update ~/Misc/eelco-configurations/hagbard \
    --override-input 'dwarffs/nixpkgs' ../my-nixpkgs

overrides the 'nixpkgs' input of the 'dwarffs' input of the top-level
flake.

Fixes #2837.
This commit is contained in:
Eelco Dolstra 2020-01-29 14:57:57 +01:00
parent e53c89a643
commit f68bed7f67
8 changed files with 75 additions and 26 deletions

View file

@ -129,6 +129,12 @@ json=$(nix flake info flake1 --json | jq .)
[[ $(echo "$json" | jq -r .description) = 'Bla bla' ]]
[[ -d $(echo "$json" | jq -r .path) ]]
[[ $(echo "$json" | jq -r .lastModified) = $(git -C $flake1Dir log -n1 --format=%ct) ]]
hash1=$(echo "$json" | jq -r .revision)
echo -n '# foo' >> $flake1Dir/flake.nix
git -C $flake1Dir commit -a -m 'Foo'
hash2=$(nix flake info flake1 --json --refresh | jq -r .revision)
[[ $hash1 != $hash2 ]]
# Test 'nix build' on a flake.
nix build -o $TEST_ROOT/result flake1#foo
@ -587,3 +593,14 @@ nix build -o $TEST_ROOT/result $url
# Building with an incorrect SRI hash should fail.
nix build -o $TEST_ROOT/result "file://$TEST_ROOT/flake.tar.gz?narHash=sha256-qQ2Zz4DNHViCUrp6gTS7EE4+RMqFQtUfWF2UNUtJKS0=" 2>&1 | grep 'NAR hash mismatch'
# Test --override-input.
git -C $flake3Dir reset --hard
nix flake update $flake3Dir --override-input flake2/flake1 flake5
[[ $(jq .inputs.flake2.inputs.flake1.url $flake3Dir/flake.lock) =~ flake5 ]]
nix flake update $flake3Dir --override-input flake2/flake1 flake1
[[ $(jq .inputs.flake2.inputs.flake1.url $flake3Dir/flake.lock) =~ flake1.*rev=$hash2 ]]
nix flake update $flake3Dir --override-input flake2/flake1 flake1/master/$hash1
[[ $(jq .inputs.flake2.inputs.flake1.url $flake3Dir/flake.lock) =~ flake1.*rev=$hash1 ]]