mei (ckie)
0e2b01b14e
Requested by ppepino on the Matrix: https://matrix.to/#/!KqkRjyTEzAGRiZFBYT:nixos.org/$Tb32BS3rVE2BSULAX4sPm0h6CDewX2hClOTGzTC7gwM?via=nixos.org&via=matrix.org&via=nixos.dev This adds a new command, :bl, which works like :b but also creates a GC root symlink to the various derivation outputs. ckie@cookiemonster ~/git/nix -> ./outputs/out/bin/nix repl Welcome to Nix 2.6.0. Type :? for help. nix-repl> :l <nixpkgs> Added 16118 variables. nix-repl> :b runCommand "hello" {} "echo hi > $out" This derivation produced the following outputs: ./repl-result-out -> /nix/store/kidqq2acdpi05c4a9mlbg2baikmzik44-hello [1 built, 0.0 MiB DL] ckie@cookiemonster ~/git/nix -> cat ./repl-result-out hi
74 lines
2 KiB
Bash
74 lines
2 KiB
Bash
source common.sh
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testDir="$PWD"
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cd "$TEST_ROOT"
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replCmds="
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simple = 1
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simple = import $testDir/simple.nix
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:bl simple
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:log simple
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"
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replFailingCmds="
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failing = import $testDir/simple-failing.nix
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:b failing
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:log failing
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"
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replUndefinedVariable="
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import $testDir/undefined-variable.nix
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"
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testRepl () {
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local nixArgs=("$@")
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rm -rf repl-result-out || true # cleanup from other runs backed by a foreign nix store
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local replOutput="$(nix repl "${nixArgs[@]}" <<< "$replCmds")"
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echo "$replOutput"
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local outPath=$(echo "$replOutput" |&
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grep -o -E "$NIX_STORE_DIR/\w*-simple")
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nix path-info "${nixArgs[@]}" "$outPath"
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[ "$(realpath ./repl-result-out)" == "$outPath" ] || fail "nix repl :bl doesn't make a symlink"
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# run it again without checking the output to ensure the previously created symlink gets overwritten
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nix repl "${nixArgs[@]}" <<< "$replCmds" || fail "nix repl does not work twice with the same inputs"
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# simple.nix prints a PATH during build
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echo "$replOutput" | grep -qs 'PATH=' || fail "nix repl :log doesn't output logs"
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local replOutput="$(nix repl "${nixArgs[@]}" <<< "$replFailingCmds" 2>&1)"
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echo "$replOutput"
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echo "$replOutput" | grep -qs 'This should fail' \
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|| fail "nix repl :log doesn't output logs for a failed derivation"
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local replOutput="$(nix repl --show-trace "${nixArgs[@]}" <<< "$replUndefinedVariable" 2>&1)"
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echo "$replOutput"
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echo "$replOutput" | grep -qs "while evaluating the file" \
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|| fail "nix repl --show-trace doesn't show the trace"
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}
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# Simple test, try building a drv
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testRepl
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# Same thing (kind-of), but with a remote store.
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testRepl --store "$TEST_ROOT/store?real=$NIX_STORE_DIR"
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testReplResponse () {
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local response="$(nix repl <<< "$1")"
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echo "$response" | grep -qs "$2" \
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|| fail "repl command set:
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$1
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does not respond with:
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$2
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but with:
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$response"
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}
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# :a uses the newest version of a symbol
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testReplResponse '
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:a { a = "1"; }
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:a { a = "2"; }
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"result: ${a}"
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' "result: 2"
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