/etc/sv/git-daemon/run is in git-daemon-run 1:2.1.4-2.1+deb8u6.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #!/bin/sh
exec 2>&1
echo 'git-daemon starting.'
exec chpst -ugitdaemon \
"$(git --exec-path)"/git-daemon --verbose --reuseaddr \
--base-path=/var/lib /var/lib/git
|