tests/Ninja/Build/order-only-deps.ninja

# Test the behavior of order-only dependencies.

# We run the build in a sandbox in the temp directory to ensure we don't
# interact with the source dirs.
#
# RUN: rm -rf %t.build
# RUN: mkdir -p %t.build
# RUN: cp %s %t.build/build.ninja
# RUN: echo "input-1" > %t.build/input-1
# RUN: echo "input-2" > %t.build/input-2
# RUN: echo "input-3" > %t.build/input-3
# RUN: %{llbuild} ninja build --jobs 1 --chdir %t.build &> %t1.out
# RUN: %{FileCheck} --check-prefix=CHECK-INITIAL --input-file=%t1.out %s
# RUN: %{FileCheck} --check-prefix=CHECK-INITIAL-OUTPUT --input-file=%t.build/output %s

# Verify that the first build builds output-2 after output-1 and output-3.
#
# CHECK-INITIAL: [1/{{.*}}] "cp input-1 output-1"
# CHECK-INITIAL: [2/{{.*}}] "cp input-3 output-3"
# CHECK-INITIAL: [3/{{.*}}] "cp input-2 output-2"
# CHECK-INITIAL: [4/{{.*}}] "cat output-1 output-2 output-3 > output"
#
# Verify the output matches expectations.
#
# CHECK-INITIAL-OUTPUT: input-1
# CHECK-INITIAL-OUTPUT-NEXT: input-2
# CHECK-INITIAL-OUTPUT-NEXT: input-3


# Run a second build, after modifying "input-1". Only output-1 and the final
# output should rebuild, since the dependencies are order only.
#
# RUN: echo "input-1-mod" >> %t.build/input-1
# RUN: %{llbuild} ninja build --strict --jobs 1 --chdir %t.build &> %t2.out
# RUN: %{FileCheck} --check-prefix=CHECK-AFTER-MOD --input-file=%t2.out %s

# Check the second build.
#
# CHECK-AFTER-MOD: [1/{{.*}}] "cp input-1 output-1"
# CHECK-AFTER-MOD: [2/{{.*}}] "cat output-1 output-2 output-3 > output"


rule CP
     command = cp ${in} ${out}
     description = "${command}"
rule CAT
     command = cat ${in} > ${out}
     description = "${command}"

build output-1: CP input-1
build output-2: CP input-2 || output-1 output-3
build output-3: CP input-3 || output-1
build output: CAT output-1 output-2 output-3

default output