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#!/bin/sh | |
# Forwarding utility for go. | |
# Puts any directory with a .go-root file into the GOPATH then launches go. | |
__gopath_for_dir__() { | |
test_goroot="$1/.go-root" | |
if [[ -f "$test_goroot" ]] ; then | |
echo "${2:+$2:}$1" | |
else | |
echo "$2" | |
fi | |
} | |
GOPATH_ASCENDANT="" | |
test_dir="$(pwd)" | |
until [[ "$test_dir" == "/" ]] ; do | |
GOPATH_ASCENDANT="$(__gopath_for_dir__ "$test_dir" "$GOPATH_ASCENDANT")" | |
test_dir="$(dirname "$test_dir")" | |
done | |
GOPATH_ASCENDANT="$(__gopath_for_dir__ "$test_dir" "$GOPATH_ASCENDANT")" | |
export GOPATH="$GOPATH_ASCENDANT${GOPATH_ASCENDANT:+${GOPATH:+:}}$GOPATH" | |
GOBIN="$(which -a go | sed -e '2q;d')" | |
# check for gopath args | |
while [[ 1 ]] ; do | |
case "$1" in | |
"--go-bin-path") | |
GOBIN="$2" | |
shift; shift | |
continue | |
;; | |
"--echo-gopath") | |
echo "GOPATH='$GOPATH'" 1>&2 | |
shift | |
continue | |
;; | |
"--echo-gobin") | |
echo "GOBIN='$GOBIN'" 1>&2 | |
shift | |
continue | |
;; | |
esac | |
break | |
done | |
if [[ -x "$GOBIN" && "$GOBIN" != "$0" ]] ; then | |
"$GOBIN" "$@" | |
else | |
echo "No valid 'go' executable in PATH -- tried '$GOBIN'" 1>&2 | |
exit 1 | |
fi |
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