ipld-eth-server/vendor/github.com/ipfs/go-ipfs/bin/check_go_version
2019-12-02 13:24:46 -06:00

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#!/bin/sh
#
# Check that the go version is at least equal to a minimum version
# number.
#
# Call it for example like this:
#
# $ check_go_version "1.5.2"
#
USAGE="$0 GO_MIN_VERSION"
die() {
printf >&2 "fatal: %s\n" "$@"
exit 1
}
# Get arguments
test "$#" -eq "1" || die "This program must be passed exactly 1 arguments" "Usage: $USAGE"
GO_MIN_VERSION="$1"
UPGRADE_MSG="Please take a look at https://golang.org/doc/install to install or upgrade go."
# Get path to the directory containing this file
# If $0 has no slashes, uses "./"
PREFIX=$(expr "$0" : "\(.*\/\)") || PREFIX='./'
# Include the 'check_at_least_version' function
. ${PREFIX}check_version
# Check that the go binary exist and is in the path
type go >/dev/null 2>&1 || die_upgrade "go is not installed or not in the PATH!"
# Check the go binary version
VERS_STR=$(go version 2>&1) || die "'go version' failed with output: $VERS_STR"
GO_CUR_VERSION=$(expr "$VERS_STR" : ".*go version go\([^ ]*\) .*") || die "Invalid 'go version' output: $VERS_STR"
check_at_least_version "$GO_MIN_VERSION" "$GO_CUR_VERSION" "go"