# Check that internal env can call internal env.

# RUN: env env %{python} print_environment.py \
# RUN: | FileCheck -check-prefix=CHECK-2-EMPTY %s
#
# CHECK-2-EMPTY: BAR = 2
# CHECK-2-EMPTY: FOO = 1

# RUN: env FOO=2 env BAR=1 %{python} print_environment.py \
# RUN: | FileCheck -check-prefix=CHECK-2-VAL %s
#
# CHECK-2-VAL: BAR = 1
# CHECK-2-VAL: FOO = 2

# RUN: env -u FOO env -u BAR %{python} print_environment.py \
# RUN: | FileCheck -check-prefix=CHECK-2-U %s
#
# CHECK-2-U-NOT: BAR
# CHECK-2-U-NOT: FOO

# RUN: env -u FOO BAR=1 env -u BAR FOO=2 %{python} print_environment.py \
# RUN: | FileCheck -check-prefix=CHECK-2-U-VAL %s
#
# CHECK-2-U-VAL-NOT: BAR
# CHECK-2-U-VAL: FOO = 2

# RUN: env -u FOO BAR=1 env -u BAR FOO=2 env BAZ=3 %{python} print_environment.py \
# RUN: | FileCheck -check-prefix=CHECK-3 %s
#
# CHECK-3-NOT: BAR
# CHECK-3: BAZ = 3
# CHECK-3: FOO = 2
