Shell Script to perform tasks on binary

custom.sh

#!/bin/env bash

# Compile the using one of these commands:

# for Go 1.10 or later
go build -gcflags "all=-N -l" -o /tmp/demo github.com/app/demo

# for Go 1.9 or earlier
# go build -gcflags "-N -l" -o /tmp/demo github.com/app/demo

# Perform the binary manipulation here

# Now launch the binary using delve
dlv --listen=:2345 --headless=true --api-version=2 exec /tmp/demo

# Then go to the IDE and use the Go Remote run configuration type to
# connect to the debugger and start the debugging session.