consider a space in the diff-since.sh script

Author: panstromek

diff-since.sh

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 git diff --stat "$1" HEAD | tail -n 1
-echo diff: $(($(git diff --stat "$1" HEAD | tail -n 1 | rg "([0-9]+) insertions.*? ([0-9]+) deletions" --replace "\$1 - \$2" -o)))
+echo diff: $(($(git diff --stat "$1" HEAD | tail -n 1 | rg " ([0-9]+) insertions.*? ([0-9]+) deletions" --replace "\$1 - \$2" -o)))