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Author SHA1 Message Date
Joel E. Denny 0a0ea7ec99 Revert r372035: "[lit] Make internal diff work in pipelines" 
This breaks a Windows bot.

llvm-svn: 372051
 2019-09-16 23:47:46 +00:00
Joel E. Denny 2152ae985c [lit] Make internal diff work in pipelines 
When using lit's internal shell, RUN lines like the following
accidentally execute an external `diff` instead of lit's internal
`diff`:

```
 # RUN: program | diff file -
 # RUN: not diff file1 file2 | FileCheck %s
```

Such cases exist now, in `clang/test/Analysis` for example.  We are
preparing patches to ensure lit's internal `diff` is called in such
cases, which will then fail because lit's internal `diff` cannot
currently be used in pipelines and doesn't recognize `-` as a
command-line option.

To enable pipelines, this patch moves lit's `diff` implementation into
an out-of-process script, similar to lit's `cat` implementation.  A
follow-up patch will implement `-` to mean stdin.

Reviewed By: probinson, stella.stamenova

Differential Revision: https://reviews.llvm.org/D66574

llvm-svn: 372035
 2019-09-16 21:22:29 +00:00
Ying Yi cfb08e9e6b [lit] Implement non-pipelined ‘mkdir’, ‘diff’ and ‘rm’ commands internally 
Summary:
The internal shell already supports 'cd', ‘export’ and ‘echo’ commands.
This patch adds implementation of non-pipelined ‘mkdir’, ‘diff’ and ‘rm’
commands as the internal shell builtins.

Reviewed by: Zachary Turner, Reid Kleckner

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D39567

llvm-svn: 319528
 2017-12-01 09:54:27 +00:00
Ying Yi a0903c6e5d Reverted rL318911 since it broke the sanitizer-windows. 
llvm-svn: 318914
 2017-11-23 13:23:21 +00:00
Ying Yi 989c9e75a6 [lit] Implement non-pipelined ‘mkdir’, ‘diff’ and ‘rm’ commands internally 
Summary:
The internal shell already supports 'cd', ‘export’ and ‘echo’ commands. 
This patch adds implementation of non-pipelined ‘mkdir’, ‘diff’ and ‘rm’ 
commands as the internal shell builtins.

Reviewers: Zachary Turner, Reid Kleckner

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D39567

llvm-svn: 318911
 2017-11-23 12:48:41 +00:00