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nix-shell: allow symlinks to .drvs

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This makes persistent shell environments easier to use.
This commit is contained in:
Linus Heckemann 2018-03-16 22:15:24 +00:00
parent 48662d151b
commit 12913ccf45
3 changed files with 19 additions and 3 deletions
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12
tests/nix-shell.sh
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@ -17,6 +17,18 @@ output=$(nix-shell --pure shell.nix -A shellDrv --run \
[[ $(nix-shell --pure $(nix-instantiate shell.nix -A shellDrv) --run \
'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX"') = " - foo - bar" ]]
# Test nix-shell on a .drv symlink
# Legacy: absolute path and .drv extension required
nix-instantiate shell.nix -A shellDrv --indirect --add-root shell.drv
[[ $(nix-shell --pure $PWD/shell.drv --run \
'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX"') = " - foo - bar" ]]
# New behaviour: just needs to resolve to a derivation in the store
nix-instantiate shell.nix -A shellDrv --indirect --add-root shell
[[ $(nix-shell --pure shell --run \
'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX"') = " - foo - bar" ]]
# Test nix-shell -p
output=$(NIX_PATH=nixpkgs=shell.nix nix-shell --pure -p foo bar --run 'echo "$(foo) $(bar)"')
[ "$output" = "foo bar" ]