convert: pass absolute paths to git (SEC)
Fixes CVE-2016-3105 (1/1).
Previously, it was possible for the repository path passed to git-ls-remote
to be misinterpreted as a URL.
Always passing an absolute path to git is a simple way to avoid this.
#require docutils gettext
$ $TESTDIR/check-gendoc de
checking for parse errors
Die Dateien werden dem Projektarchiv beim n\xc3\xa4chsten \xc3\x9cbernehmen (commit) hinzugef\xc3\xbcgt. Um dies vorher r\xc3\xbcckg\xc3\xa4ngig zu machen, siehe:hg:`forget`. (esc)
warning: please have a space before :hg: