Recursively run tests with coverage profiling of all juju packages, then output a gocov profile

juju-coverage.bash

#!/bin/bash

set -e

tmp=$(mktemp -d -p "" gocov.XXXXXXXXXX)
function cleanup {
  rm -rf "$tmp"
}
trap cleanup EXIT

pattern=$1
shift

for pkg in $(go list $pattern); do
    mkdir -p $tmp/$pkg
    coverpkg="$pkg"
    juju_deps=$(go list -f '{{.Deps}}' $pkg           | \
                tr -d '\[\]' | tr ' ' '\n'            | \
                awk '/github\.com\/juju\//{print $1}' | \
                tr '\n' ',')
    if test -n "$juju_deps"; then
        coverpkg="$juju_deps$coverpkg" # juju_deps has a trailing ','
    fi
    # redirect stdout to stderr so it doesn't get mixed into the gocov output
    go test -outputdir "$tmp/$pkg" -coverprofile cover.out -coverpkg "$coverpkg" "$pkg" "$*" 1>&2
done

find $tmp -name cover.out | xargs gocov convert