This avoids the version coming out as GIT-UNKNOWN after chroot builds.
Fixes #5294
dh $@
override_dh_auto_clean:
+ifeq ($(shell test -d .git && echo "git"),git) # verify we are in a GIT repo
# ensure icinga-version.h.fallback to be present
rm -rf debian-prebuild/
mkdir debian-prebuild
cd debian-prebuild/ && cmake ../debian/
cp debian-prebuild/icinga-version.h.fallback .
rm -rf debian-prebuild/
+endif
# now clean build dir
dh_auto_clean
rm -f config.log