[ -n "$REV" ]
}
-try_version || try_svn || try_git || REV="unknown"
+try_hg() {
+ [ -d .hg ] || return 1
+ REV="$(hg log -r-1 --template '{desc}' | awk '{print $2}' | sed 's/\].*//')"
+ REV="${REV:+$REV}"
+ [ -n "$REV" ]
+}
+
+try_version || try_svn || try_git || try_hg || REV="unknown"
echo "$REV"