[PATCH] D11332: [LIT] Allow for executeCommand to take the stdin input.

[Eric Fiselier]

EricWF created this revision.
EricWF added reviewers: ddunbar, jroelofs.
EricWF added a subscriber: llvm-commits.

This patch allows executeCommand to pass a string to the processes stdin.

http://reviews.llvm.org/D11332

Files:
  utils/lit/lit/util.py

Index: utils/lit/lit/util.py
===================================================================
--- utils/lit/lit/util.py
+++ utils/lit/lit/util.py
@@ -48,7 +48,7 @@
     if not path or os.path.exists(path):
         return
 
-    parent = os.path.dirname(path) 
+    parent = os.path.dirname(path)
     if parent != path:
         mkdir_p(parent)
 
@@ -158,13 +158,13 @@
 # Close extra file handles on UNIX (on Windows this cannot be done while
 # also redirecting input).
 kUseCloseFDs = not (platform.system() == 'Windows')
-def executeCommand(command, cwd=None, env=None):
+def executeCommand(command, cwd=None, env=None, input=None):
     p = subprocess.Popen(command, cwd=cwd,
                          stdin=subprocess.PIPE,
                          stdout=subprocess.PIPE,
                          stderr=subprocess.PIPE,
                          env=env, close_fds=kUseCloseFDs)
-    out,err = p.communicate()
+    out,err = p.communicate(input=input)
     exitCode = p.wait()
 
     # Detect Ctrl-C in subprocess.


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