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nix/tests/functional/flakes/mercurial.sh
Eelco Dolstra 4b9735b761 Test against uncacheable paths
This is to test the non-functional property that most paths should be
cacheable. We've had frequent cases where caching broken but we didn't
notice.
2025-09-25 11:30:11 -04:00

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#!/usr/bin/env bash
source ./common.sh
[[ $(type -p hg) ]] || skipTest "Mercurial not installed"
flake1Dir=$TEST_ROOT/flake-hg1
mkdir -p "$flake1Dir"
writeSimpleFlake "$flake1Dir"
hg init "$flake1Dir"
nix registry add --registry "$registry" flake1 "hg+file://$flake1Dir"
flake2Dir=$TEST_ROOT/flake-hg2
mkdir -p "$flake2Dir"
writeDependentFlake "$flake2Dir"
hg init "$flake2Dir"
hg add "$flake1Dir"/*
hg commit --config ui.username=foobar@example.org "$flake1Dir" -m 'Initial commit'
hg add "$flake2Dir"/flake.nix
hg commit --config ui.username=foobar@example.org "$flake2Dir" -m 'Initial commit'
nix build -o "$TEST_ROOT/result" "hg+file://$flake2Dir"
[[ -e $TEST_ROOT/result/hello ]]
(! nix flake metadata --json "hg+file://$flake2Dir" | jq -e -r .revision)
_NIX_TEST_BARF_ON_UNCACHEABLE='' nix eval "hg+file://$flake2Dir"#expr
_NIX_TEST_BARF_ON_UNCACHEABLE='' nix eval "hg+file://$flake2Dir"#expr
(! nix eval "hg+file://$flake2Dir"#expr --no-allow-dirty)
(! nix flake metadata --json "hg+file://$flake2Dir" | jq -e -r .revision)
hg commit --config ui.username=foobar@example.org "$flake2Dir" -m 'Add lock file'
nix flake metadata --json "hg+file://$flake2Dir" --refresh | jq -e -r .revision
nix flake metadata --json "hg+file://$flake2Dir"
[[ $(nix flake metadata --json "hg+file://$flake2Dir" | jq -e -r .revCount) = 1 ]]
nix build -o "$TEST_ROOT/result" "hg+file://$flake2Dir" --no-registries --no-allow-dirty
nix build -o "$TEST_ROOT/result" "hg+file://$flake2Dir" --no-use-registries --no-allow-dirty