Was gonna put some stuff up in the test svn to demonstrate a problem, but looks like the server hosting the repo needs svnlook to run its hook.
```
seth@luca:~/svn-test$ svn info
Path: .
Working Copy Root Path: /home/seth/svn-test
URL: svn+ssh://sshannin@secure.phabricator.com/diffusion/SVNTEST
Relative URL: ^/
Repository Root: svn+ssh://sshannin@secure.phabricator.com/diffusion/SVNTEST
Repository UUID: 5a5cce42-fd4b-48a3-bcdc-3d0876698e76
Revision: 0
Node Kind: directory
Schedule: normal
Last Changed Rev: 0
Last Changed Date: 2015-02-20 12:43:32 -0800 (Fri, 20 Feb 2015)
seth@luca:~/svn-test$ svn ci -m "add project subdir"
Adding p1
svn: E165001: Commit failed (details follow):
svn: E165001: Commit blocked by pre-commit hook (exit code 255) with output:
[2015-07-28 12:45:39] EXCEPTION: (CommandException) Command failed with error #127!
COMMAND
svnlook author -t '0-1' '/core/repo/secure/SVNTEST'
STDOUT
(empty)
STDERR
sh: 1: svnlook: not found
at [<phutil>/src/future/exec/ExecFuture.php:416]
arcanist(head=master, ref.master=5fcf7b5a3b9e), phabricator(head=master, ref.master=84049e6d075b), phutil(head=master, ref.master=aa6cd8f7e5e5)
#0 ExecFuture::resolvex() called at [<phutil>/src/future/exec/execx.php:17]
#1 execx(string, string, string) called at [<phabricator>/scripts/repository/commit_hook.php:85]
seth@luca:~/svn-test$
```