Max Moroz 975eacada5 [lit] Implement "-r" option for builtin "diff" command + a test using that.
Summary:
That would allow to recursively compare directories in tests using
"diff -r" on Windows in a similar way as it can be done on Linux or Mac.

Reviewers: zturner, morehouse, vsk

Reviewed By: zturner

Subscribers: kcc, llvm-commits

Differential Revision: https://reviews.llvm.org/D41776

llvm-svn: 322102
2018-01-09 18:23:34 +00:00

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# Check recursive diff ("diff -r").
# Create two directories for further comparison.
# RUN: rm -rf %t/dir1 %t/dir2
# RUN: mkdir -p %t/dir1 %t/dir2
# Create same files in both of the dirs.
# RUN: echo "hello" > %t/dir1/f1
# RUN: echo "hello" > %t/dir2/f1
# Create same subdirectories with same contents.
# RUN: mkdir -p %t/dir1/subdir %t/dir2/subdir
# RUN: echo "12345" > %t/dir1/subdir/f01
# RUN: echo "12345" > %t/dir2/subdir/f01
# RUN: echo -e "xxx\nzzz\nyyy" > %t/dir1/subdir/f02
# RUN: echo -e "xxx\nzzz\nyyy" > %t/dir2/subdir/f02
# Create empty subdirectories with same names.
# RUN: mkdir -p %t/dir1/empty_subdir %t/dir2/empty_subdir
# RUN: diff -r %t/dir1 %t/dir2