228 lines
8.9 KiB
Bash
228 lines
8.9 KiB
Bash
source ../common.sh
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clearStore
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if [[ -n ${CONTENT_ADDRESSED:-} ]]; then
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shellDotNix="$PWD/ca-shell.nix"
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else
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shellDotNix="$PWD/shell.nix"
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fi
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export NIX_PATH=nixpkgs="$shellDotNix"
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# Test nix-shell -A
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export IMPURE_VAR=foo
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export SELECTED_IMPURE_VAR=baz
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output=$(nix-shell --pure "$shellDotNix" -A shellDrv --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $TEST_inNixShell"')
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[ "$output" = " - foo - bar - true" ]
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# Test --keep
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output=$(nix-shell --pure --keep SELECTED_IMPURE_VAR "$shellDotNix" -A shellDrv --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $SELECTED_IMPURE_VAR"')
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[ "$output" = " - foo - bar - baz" ]
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# Test nix-shell on a .drv
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[[ $(nix-shell --pure $(nix-instantiate "$shellDotNix" -A shellDrv) --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $TEST_inNixShell"') = " - foo - bar - false" ]]
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[[ $(nix-shell --pure $(nix-instantiate "$shellDotNix" -A shellDrv) --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $TEST_inNixShell"') = " - foo - bar - false" ]]
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# Test nix-shell on a .drv symlink
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# Legacy: absolute path and .drv extension required
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nix-instantiate "$shellDotNix" -A shellDrv --add-root $TEST_ROOT/shell.drv
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[[ $(nix-shell --pure $TEST_ROOT/shell.drv --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX"') = " - foo - bar" ]]
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# New behaviour: just needs to resolve to a derivation in the store
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nix-instantiate "$shellDotNix" -A shellDrv --add-root $TEST_ROOT/shell
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[[ $(nix-shell --pure $TEST_ROOT/shell --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX"') = " - foo - bar" ]]
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# Test nix-shell -p
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output=$(NIX_PATH=nixpkgs="$shellDotNix" nix-shell --pure -p foo bar --run 'echo "$(foo) $(bar)"')
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[ "$output" = "foo bar" ]
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# Test nix-shell -p --arg x y
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output=$(NIX_PATH=nixpkgs="$shellDotNix" nix-shell --pure -p foo --argstr fooContents baz --run 'echo "$(foo)"')
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[ "$output" = "baz" ]
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# Test nix-shell returns the valid exit codes
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[[ $(NIX_PATH=nixpkgs="$shellDotNix" nix-shell --pure -p foo --run 'false'; echo $?) -eq 1 ]] && echo "nix-shell correctly propagated the exit code of 'false'" || { echo "nix-shell did not propagate the exit code of 'false'"; exit 1; }
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# Test that nix-shell have a valid $TEMPDIR and $NIX_BUILD_TOP when $TMPDIR is unset.
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# We will make this test up to one nested nix shells.
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# NOTE: making it go to two nested nix shell is left as an exercise in Bash fun.
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(
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unset TMPDIR
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export NIX_PATH=nixpkgs="$shellDotNix"
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nix-shell -p foo --run '
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# Outer nix-shell validity check
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[[ -n "$NIX_BUILD_TOP" && -d "$NIX_BUILD_TOP" && -n "$TEMPDIR" && -d "$TEMPDIR" ]] && echo "Outer nix-shell has a valid \$TEMPDIR and \$NIX_BUILD_TOP" || { echo "Outer nix-shell does not have a valid \$TEMPDIR or \$NIX_BUILD_TOP"; exit 1; }
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' || exit 1
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)
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# Test that nix-shell deletes the parent of $TEMPDIR which is the nix-shell directory
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# when $TMPDIR is unset.
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(
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unset TMPDIR
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IN_SHELL_TEMPDIR=$(NIX_PATH=nixpkgs="$shellDotNix" nix-shell --pure -p foo --run 'echo $TEMPDIR')
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test ! -d "$(dirname $IN_SHELL_TEMPDIR)" && echo "nix-shell deleted the parent directory of \$TEMPDIR: clean up successful" || { echo "nix-shell did not delete the parent directory of \$TEMPDIR: clean up failure"; exit 1; }
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)
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# Test whether the added length w.r.t. base directories is reasonable enough.
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# This prevents regressions that can affect negatively things like opening UNIX
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# domain sockets in non-isolated builds.
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(
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unset TMPDIR
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BASE_DIR="$(realpath /tmp)"
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LENGTH_RESULT=$(
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NIX_PATH=nixpkgs="$shellDotNix" nix-shell --pure -p foo --run "
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BASE_DIR_ENV=\"$BASE_DIR\"
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ADDED_LENGTH=\$(( \${#NIX_BUILD_TOP} - \${#BASE_DIR_ENV} ))
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echo \"\$ADDED_LENGTH:\$NIX_BUILD_TOP\"
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"
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)
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ADDED_LENGTH="${LENGTH_RESULT%%:*}"
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IN_SHELL_NIX_BUILD_TOP="${LENGTH_RESULT#*:}"
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# The idea of this value is len("nix-shell-$hash/build-top") + ≤5 chars of margin.
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MAX_ALLOWED=50
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# The added length must be minimum 2 chars.
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MIN_ALLOWED=2
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if (( ADDED_LENGTH < MIN_ALLOWED )); then
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echo "Added length ($ADDED_LENGTH) is impossibly low. The test is not correct."
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exit 1
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fi
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if (( ADDED_LENGTH <= MAX_ALLOWED )); then
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echo "Added length to \$NIX_BUILD_TOP in shells ($ADDED_LENGTH chars) is within acceptable limit ($MAX_ALLOWED chars)."
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else
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echo "ERROR: Added length too large ($ADDED_LENGTH chars > $MAX_ALLOWED chars)."
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echo "Base: $BASE_DIR"
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echo "NIX_BUILD_TOP: $IN_SHELL_NIX_BUILD_TOP"
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exit 1
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fi
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)
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# Test $NIX_LOG_FD
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expectStderr 0 nix-shell --pure $shellDotNix -A shellDrv --run 'echo hello > $NIX_LOG_FD' |& grepQuiet 'hello'
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# FIXME: testing that Ctrl-C to a (non-)interactive nix-shell stops it would be appreciated,
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# but it is hard to send accurately the signal to the right process group.
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# Test nix-shell shebang mode
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sed -e "s|@ENV_PROG@|$(type -P env)|" shell.shebang.sh > $TEST_ROOT/shell.shebang.sh
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chmod a+rx $TEST_ROOT/shell.shebang.sh
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output=$($TEST_ROOT/shell.shebang.sh abc def)
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[ "$output" = "foo bar abc def" ]
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# Test nix-shell shebang mode again with metacharacters in the filename.
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# First word of filename is chosen to not match any file in the test root.
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sed -e "s|@ENV_PROG@|$(type -P env)|" shell.shebang.sh > $TEST_ROOT/spaced\ \\\'\"shell.shebang.sh
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chmod a+rx $TEST_ROOT/spaced\ \\\'\"shell.shebang.sh
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output=$($TEST_ROOT/spaced\ \\\'\"shell.shebang.sh abc def)
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[ "$output" = "foo bar abc def" ]
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# Test nix-shell shebang mode for ruby
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# This uses a fake interpreter that returns the arguments passed
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# This, in turn, verifies the `rc` script is valid and the `load()` script (given using `-e`) is as expected.
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sed -e "s|@SHELL_PROG@|$(type -P nix-shell)|" shell.shebang.rb > $TEST_ROOT/shell.shebang.rb
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chmod a+rx $TEST_ROOT/shell.shebang.rb
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output=$($TEST_ROOT/shell.shebang.rb abc ruby)
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[ "$output" = '-e load(ARGV.shift) -- '"$TEST_ROOT"'/shell.shebang.rb abc ruby' ]
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# Test nix-shell shebang mode for ruby again with metacharacters in the filename.
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# Note: fake interpreter only space-separates args without adding escapes to its output.
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sed -e "s|@SHELL_PROG@|$(type -P nix-shell)|" shell.shebang.rb > $TEST_ROOT/spaced\ \\\'\"shell.shebang.rb
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chmod a+rx $TEST_ROOT/spaced\ \\\'\"shell.shebang.rb
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output=$($TEST_ROOT/spaced\ \\\'\"shell.shebang.rb abc ruby)
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[ "$output" = '-e load(ARGV.shift) -- '"$TEST_ROOT"'/spaced \'\''"shell.shebang.rb abc ruby' ]
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# Test nix-shell shebang quoting
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sed -e "s|@ENV_PROG@|$(type -P env)|" shell.shebang.nix > $TEST_ROOT/shell.shebang.nix
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chmod a+rx $TEST_ROOT/shell.shebang.nix
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$TEST_ROOT/shell.shebang.nix
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# Test 'nix develop'.
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nix develop -f "$shellDotNix" shellDrv -c bash -c '[[ -n $stdenv ]]'
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# Ensure `nix develop -c` preserves stdin
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echo foo | nix develop -f "$shellDotNix" shellDrv -c cat | grepQuiet foo
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# Ensure `nix develop -c` actually executes the command if stdout isn't a terminal
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nix develop -f "$shellDotNix" shellDrv -c echo foo |& grepQuiet foo
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# Test 'nix print-dev-env'.
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nix print-dev-env -f "$shellDotNix" shellDrv > $TEST_ROOT/dev-env.sh
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nix print-dev-env -f "$shellDotNix" shellDrv --json > $TEST_ROOT/dev-env.json
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# Test with raw drv
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shellDrv=$(nix-instantiate "$shellDotNix" -A shellDrv.out)
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nix develop $shellDrv -c bash -c '[[ -n $stdenv ]]'
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# Test $NIX_LOG_FD
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expectStderr 0 nix develop $shellDrv -c bash -c 'echo hello > $NIX_LOG_FD' |& grepQuiet 'hello'
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nix print-dev-env $shellDrv > $TEST_ROOT/dev-env2.sh
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nix print-dev-env $shellDrv --json > $TEST_ROOT/dev-env2.json
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diff $TEST_ROOT/dev-env{,2}.sh
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diff $TEST_ROOT/dev-env{,2}.json
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# Ensure `nix print-dev-env --json` contains variable assignments.
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[[ $(jq -r .variables.arr1.value[2] $TEST_ROOT/dev-env.json) = '3 4' ]]
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# Run tests involving `source <(nix print-dev-env)` in subshells to avoid modifying the current
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# environment.
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set -u
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# Ensure `source <(nix print-dev-env)` modifies the environment.
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(
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path=$PATH
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source $TEST_ROOT/dev-env.sh
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[[ -n $stdenv ]]
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[[ ${arr1[2]} = "3 4" ]]
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[[ ${arr2[1]} = $'\n' ]]
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[[ ${arr2[2]} = $'x\ny' ]]
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[[ $(fun) = blabla ]]
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[[ "$ASCII_ESC" = "$(printf "\e")" ]]
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[[ $PATH = $(jq -r .variables.PATH.value $TEST_ROOT/dev-env.json):$path ]]
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)
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# Ensure `source <(nix print-dev-env)` handles the case when PATH is empty.
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(
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path=$PATH
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PATH=
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source $TEST_ROOT/dev-env.sh
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[[ $PATH = $(PATH=$path jq -r .variables.PATH.value $TEST_ROOT/dev-env.json) ]]
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)
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# Test nix-shell with ellipsis and no `inNixShell` argument (for backwards compat with old nixpkgs)
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cat >$TEST_ROOT/shell-ellipsis.nix <<EOF
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{ system ? "x86_64-linux", ... }@args:
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assert (!(args ? inNixShell));
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(import $shellDotNix { }).shellDrv
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EOF
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nix-shell $TEST_ROOT/shell-ellipsis.nix --run "true"
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# Test correct handling of SSL_CERT_FILE
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nix print-dev-env -f $shellDotNix shellWithCerts | grepQuiet "SSL_CERT_FILE='/path/to/a/real/cert.crt'"
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nix print-dev-env -f $shellDotNix shellWithNoCerts | grepInverse "SSL_CERT_FILE"
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