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de5a4e7d01
* Update devshell Update nixpkgs and simplify devshell * Run ormolu * Fixups * Format nix files * Update sources
78 lines
2.7 KiB
Nix
78 lines
2.7 KiB
Nix
{ pkgs, niv }:
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# TODO: this doesn' test anything meaningful yet because "niv git PACKAGE"
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# doesn't parse yet
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pkgs.runCommand "git-test"
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{ nativeBuildInputs = [ pkgs.git niv pkgs.nix pkgs.jq ]; }
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(
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# make sure the tests run smoothly in multi-user install
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# https://github.com/NixOS/nix/issues/3258
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''
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export NIX_STATE_DIR=$TMPDIR
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export NIX_LOG_DIR=$TMPDIR
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export HOME=$TMPDIR
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'' + # First we create a dummy git repo with one commit on master, and one commit
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# on "branch".
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''
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gitdir=$(mktemp -d)
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pushd $gitdir > /dev/null
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git init .
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echo hello > file
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git config user.email "niv@foo.bar"
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git config user.name "Niv Niverson"
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git add file
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git commit -m "Initial commit"
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gitrev=$(git rev-parse HEAD)
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git checkout -b branch
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echo world >> file
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git add file
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git commit -m "second commit"
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gitrev2=$(git rev-parse HEAD)
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# reset to master as "default branch"
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git checkout master
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popd > /dev/null
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'' + # Then we `niv add` that repo and check some properties, like the revision
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# and revCount, to make sure it was imported properly, and that sources.nix
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# does what it's supposed to do.
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''
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nivdir=$(mktemp -d)
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pushd $nivdir > /dev/null
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mkdir -p nix
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echo "{}" > nix/sources.json
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niv init --latest
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niv add git -n my-git-repo --repo file://$gitdir
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nivrev=$(nix --extra-experimental-features nix-command eval --json --impure --expr '(import ./nix/sources.nix).my-git-repo.rev' | jq -r)
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if [ ! "$gitrev" = "$nivrev" ]; then
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echo "Mismatched revs: $gitrev != $nivrev"
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exit 42
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fi
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# here we cheat a bit and use "outPath", which actually is the result of
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# builtins.fetchGit.
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nivnixrev=$(nix --extra-experimental-features nix-command eval --json --impure --expr '(import ./nix/sources.nix).my-git-repo.outPath.rev' | jq -r)
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if [ ! "$gitrev" = "$nivnixrev" ]; then
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echo "Mismatched revs: $gitrev != $nivnixrev"
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exit 42
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fi
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nivnixrevcount=$(nix --extra-experimental-features nix-command eval --impure --json --expr '(import ./nix/sources.nix).my-git-repo.outPath.revCount')
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if [ ! "1" -eq "$nivnixrevcount" ]; then
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echo "Mismatched revCount: 1 != $nivnixrevcount"
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exit 42
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fi
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niv update my-git-repo -b branch
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nivrev2=$(nix --extra-experimental-features nix-command eval --impure --json --expr '(import ./nix/sources.nix).my-git-repo.rev' | jq -r)
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if [ ! "$gitrev2" = "$nivrev2" ]; then
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echo "Mismatched revs: $gitrev2 != $nivrev2"
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exit 42
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fi
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popd > /dev/null
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touch $out
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''
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)
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