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# Check that we handle commands with multiple outputs properly.
#
# We use a Shake ยง6.3 inspired script which separates the input into odd and
# even numbers, and only updates the output when changed.
# RUN: rm -rf %t.build
# RUN: mkdir -p %t.build
# RUN: cp %S/Inputs/split-numbers %t.build
# RUN: cp %s %t.build/build.ninja
# RUN: touch %t.build/input
# RUN: %{llbuild} ninja build --jobs 1 --chdir %t.build &> %t1.out
# RUN: %{FileCheck} --check-prefix CHECK-INITIAL --input-file %t1.out %s
#
# CHECK-INITIAL: [1/{{.*}}] ./split-numbers < input odd even
# CHECK-INITIAL: [2/{{.*}}] cat odd > odd-copy
# CHECK-INITIAL: [3/{{.*}}] cat even > even-copy
# Add an even number, and check that only the even side rebuilds.
#
# RUN: echo 0 >> %t.build/input
# RUN: %{llbuild} ninja build --strict --jobs 1 --chdir %t.build &> %t2.out
# RUN: %{FileCheck} --check-prefix CHECK-UPDATE-EVEN --input-file %t2.out %s
#
# CHECK-UPDATE-EVEN: [1/{{.*}}] ./split-numbers < input odd even
# CHECK-UPDATE-EVEN-NEXT: odd: file contents unchanged
# CHECK-UPDATE-EVEN-NEXT: even: updated file
# CHECK-UPDATE-EVEN-NEXT: [2/{{.*}}] cat even > even-copy
# CHECK-UPDATE-EVEN-NOT: [3/{{.*}}]
# Add an odd number, and check that only the odd side rebuilds.
#
# RUN: echo 1 >> %t.build/input
# RUN: %{llbuild} ninja build --strict --jobs 1 --chdir %t.build &> %t3.out
# RUN: %{FileCheck} --check-prefix CHECK-UPDATE-ODD --input-file %t3.out %s
#
# CHECK-UPDATE-ODD: [1/{{.*}}] ./split-numbers < input odd even
# CHECK-UPDATE-ODD-NEXT: odd: updated file
# CHECK-UPDATE-ODD-NEXT: even: file contents unchanged
# CHECK-UPDATE-ODD-NEXT: [2/{{.*}}] cat odd > odd-copy
# CHECK-UPDATE-ODD-NOT: [3/{{.*}}]
# Disabled due to transient failures in swift-ci - rdar://67415097
# REQUIRES: platform=Disabled
rule CAT
command = cat ${in} > ${out}
rule SPLITNUMBERS
command = ./split-numbers < ${in} ${out}
restat = 1
build odd even: SPLITNUMBERS input
build odd-copy: CAT odd
build even-copy: CAT even
# Also check multiple outputs of a phony rule.
build output-1 output-2: phony odd-copy even-copy
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