Source: auto-apt-proxy Version: 10 Severity: serious Tags: ftbfs https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/auto-apt-proxy.html
...
dh_auto_test
make -j16 test
make[1]: Entering directory '/build/1st/auto-apt-proxy-10'
shellcheck --shell dash auto-apt-proxy
In auto-apt-proxy line 50:
if which ip >/dev/null; then
^-- SC2230: which is non-standard. Use builtin 'command -v' instead.
make[1]: *** [Makefile:17: check] Error 1
