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A shell script for switching Go versions.
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| #!/bin/sh | |
| set -e | |
| if [[ "$#" -ne 1 ]]; then | |
| echo "Usage: switchgo version" >&2 | |
| exit 2 | |
| fi | |
| if [[ -z "${GOBIN}" ]]; then | |
| echo "GOBIN is not set" >&2 | |
| exit 2 | |
| fi | |
| if ! command -v "${GOBIN}/go${1}" &> /dev/null; then | |
| echo "Go $1 doesn't exist, start downloading..." | |
| if [[ "$(go version | cut -d " " -f 3 | cut -d . -f 2)" -ge 17 ]]; then | |
| go install "golang.org/dl/go${1}@latest" | |
| else | |
| go get "golang.org/dl/go${1}" | |
| fi | |
| "${GOBIN}/go${1}" download | |
| fi | |
| ln -sf "$(command -v "${GOBIN}/go${1}")" "${GOBIN}/go" | |
| echo "Switched to Go $1" |
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记录一下 需要设置环境变量
export GOBIN=$HOME/bin
export PATH=$GOBIN:$PATH