While running scap for a security deploy, I had a sync-proxy fail. Log is below:
22:20:04 Started sync-proxies 22:20:05 ['/usr/bin/scap', 'pull', '--no-php-restart', '--no-update-l10n', '--include', 'php-1.42.0-wmf.14', '--include', 'php-1.42.0-wmf.14/includes', '--include', 'php-1.42.0-wmf.14/includes/CommentFormatter', '--include', 'php-1.42.0-wmf.14/includes/CommentFormatter/CommentParser.php', 'deploy1002.eqiad.wmnet', 'deploy2002.codfw.wmnet', 'deploy2002.codfw.wmnet'] (ran as mwdeploy@mw1486.eqiad.wmnet) returned [127]: bash: line 1: /usr/bin/scap: No such file or directory 22:20:05 sync-proxies: 100% (in-flight: 0; ok: 7; fail: 1; left: 0)