137541 2014-10-08 16:43:23 -0700 Errors using git-add-reviewer on a branch whose name includes parentheses 2014-10-09 14:10:57 -0700 1 1 1 Unclassified WebKit Tools / Tests 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 dburkart webkit-unassigned webkit-bug-importer oldest_to_newest 1040435 0 dburkart 2014-10-08 16:43:23 -0700 "I have a branch named "parsec-caching-improvements(18462642)". When trying to use git-add-reviewer to add a reviewer to a patch on this branch, I see: % git add-reviewer HEAD "Brian Weinstein" sh: -c: line 0: syntax error near unexpected token `(' sh: -c: line 0: `git rev-parse parsec-caching-improvements(18462642)' sh: -c: line 0: syntax error near unexpected token `(' sh: -c: line 0: `git merge-base 88d471e44f9cd5b4e5cca657747d1fcc3d82fe5f parsec-caching-improvements(18462642)' Brian Weinstein is not an ancestor of HEAD. at /Users/anshu/code/Safari/OpenSource/Tools/Scripts/git-add-reviewer line 171." 1040436 1 dburkart 2014-10-08 16:43:37 -0700 <rdar://problem/18588042> 1040437 2 webkit-bug-importer 2014-10-08 16:44:15 -0700 <rdar://problem/18590158> 1040438 3 dburkart 2014-10-08 16:49:47 -0700 The fix here is to quote arguments passed to git. Additionally, let's fix that incorrect error message isAncestor() returns false. 1040439 4 239500 dburkart 2014-10-08 16:51:30 -0700 Created attachment 239500 Quote arguments to git. 1040569 5 239500 darin 2014-10-09 09:28:09 -0700 Comment on attachment 239500 Quote arguments to git. View in context: https://bugs.webkit.org/attachment.cgi?id=239500&action=review > Tools/Scripts/git-add-reviewer:311 > + chomp(my $mergeBase = `git merge-base '$ancestor' '$descendant'`); This relies on the names not having single quote in them. Is that guaranteed? > Tools/Scripts/git-add-reviewer:319 > + chomp(my $commit = `git rev-parse '$arg'`); This relies on the argument not having a single quote in it. Is that guaranteed? 1040571 6 dburkart 2014-10-09 09:36:56 -0700 (In reply to comment #5) > (From update of attachment 239500 [details]) > View in context: https://bugs.webkit.org/attachment.cgi?id=239500&action=review > > > Tools/Scripts/git-add-reviewer:311 > > + chomp(my $mergeBase = `git merge-base '$ancestor' '$descendant'`); > > This relies on the names not having single quote in them. Is that guaranteed? For $ancestor, it should be guaranteed, however, for $descendant it isn't... apparently, git allows quotes in branch names > > > Tools/Scripts/git-add-reviewer:319 > > + chomp(my $commit = `git rev-parse '$arg'`); > > This relies on the argument not having a single quote in it. Is that guaranteed? Not guaranteed for $arg either. An alternative solution could be to replace the backticks with a call to perl's system(), which won't invoke sh and should side-step the parenthesis problem. 1040575 7 dburkart 2014-10-09 09:45:41 -0700 Well, I guess system() wouldn't be a valid replacement as we need to capture the output of the command, so we would need to do something a bit more involved (or just escape any single-quotes). 1040588 8 dburkart 2014-10-09 10:16:09 -0700 Also, upon second look at this script, it turns out we are *not* correctly using the return code from any of the system() calls. For example, the following system() call: > my $result = system "git cherry-pick -n $item->{commit} > /dev/null"; > !$result or return fail("Failed to cherry-pick $item->{commit}"); The perl documentation for the system command states that system returns the result from the wait() system call (http://perldoc.perl.org/functions/system.html), which is the _pid_ of the subprocess, not the return value. To get the return value, we must shift by 8, i.e.: my $result = system "git cherry-pick -n $item->{commit} > /dev/null"; !($result >> 8) or return fail("Failed to cherry-pick $item->{commit}"); Maybe this is out of the scope of this bug, but it needs fixing. 1040599 9 239548 dburkart 2014-10-09 10:44:01 -0700 Created attachment 239548 Fix which doesn't use backticks at all This patch adds a function `runCommandWithOutput` which does the same thing as backticks, but does not use sh, so we don't have any interpolation problems. It also fixes a bunch of issues discovered with the use of the system() command in the script (see above comment). 1040602 10 239549 dburkart 2014-10-09 10:48:47 -0700 Created attachment 239549 Forgot to update ChangeLog 1040688 11 dburkart 2014-10-09 14:10:57 -0700 Committed in r174526. 239500 2014-10-08 16:51:30 -0700 2014-10-09 10:44:01 -0700 Quote arguments to git. patch text/plain 1679 dburkart SW5kZXg6IFRvb2xzL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBUb29scy9DaGFuZ2VMb2cJKHJl dmlzaW9uIDE3NDQ4MSkKKysrIFRvb2xzL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwz ICsxLDE2IEBACisyMDE0LTEwLTA4ICBEYW5hIEJ1cmthcnQgIDxkYnVya2FydEBhcHBsZS5jb20+ CisKKyAgICAgICAgUXVvdGUgYXJndW1lbnRzIHRvIGdpdCBzbyB0aGF0IHBhcmVudGhlc2lzIGdl dCBwcm9wZXJseSBlc2NhcGVkLiBBbHNvLAorICAgICAgICBmaXggaW5jb3JyZWN0IGVycm9yIG1l c3NhZ2Ugd2hlbiBpc0FuY2VzdG9yKCkgcmV0dXJucyBmYWxzZS4KKyAgICAgICAgaHR0cHM6Ly9i 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