* fetch-proxy: Make POSIX compatible
* fetch-proxy: Update old comment to match current behavior
Getting the directory where the script resides can easily be done
without bash-specific functionality, and hence the script can be POSIX
compatible.
Change-Id: I30bd69dccbc950bdce3dc5da4bea279305a7b1f9
Signed-off-by: Joakim Roubert <joakimr@axis.com>
* Allow docker-build-proxy to override the proxy version
* Update based on review feedback
* fetch-proxy should return full path to executable
Signed-off-by: Kevin Lingerfelt <kl@buoyant.io>