Log moveFile failure errors
Created attachment 326928 [details] Patch
http://trac.webkit.org/r224850
Here's an example of the log this produces: 2017-11-14 17:53:50.204 WebKitTestRunner[63613:1440909] Error in moveFile: Error Domain=NSCocoaErrorDomain Code=4 "“ContentRuleListWVDp3h” couldn’t be moved to “ContentExtensions” because either the former doesn’t exist, or the folder containing the latter doesn’t exist." UserInfo={NSSourceFilePathErrorKey=/var/folders/cx/86nvz4dn2hj7t_1sczmy517w0000gn/T/WebKitTestRunners-bv_a7e/ContentRuleListWVDp3h, NSUserStringVariant=( Move ), NSDestinationFilePath=/Users/buildbot/Library/WebKit/WebKitTestRunner/ContentExtensions/ContentExtension-TestContentExtensions, NSFilePath=/var/folders/cx/86nvz4dn2hj7t_1sczmy517w0000gn/T/WebKitTestRunners-bv_a7e/ContentRuleListWVDp3h, NSUnderlyingError=0x7ff677783e30 {Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"}} Content Rule List compiling failed: Moving file failed. 2017-11-14 17:53:50.204 WebKitTestRunner[63613:1425579] Rule list compilation failed: Unspecified error during compile.
Speculative fix in https://bugs.webkit.org/show_bug.cgi?id=179719
<rdar://problem/35561855>