update-golang is a script to easily fetch and install new Golang releases with minimum system intrusion.
Created by gh-md-toc
The script is based on official installation instructions from https://go.dev/doc/install.
This is the default behavior:
1. Search for the latest binary release in https://go.dev/dl/.
2. The script uses local system OS and ARCH to download the correct binary release. It is not harmful to run the script multiple times. Downloaded releases are kept as cache under '/usr/local'. You can erase them manually.
By default, the script only detects actual releases (not beta releases, not release candidates). However one can force any specific non-final release:
$ # force specific release candidate
$ sudo RELEASE=1.11rc1 ./update-golang.sh
3. The release is installed at '/usr/local/go'.
4. The path '/usr/local/go/bin' is added to PATH using '/etc/profile.d/golang_path.sh'.
5. Only if needed, GOROOT is properly setup, also using '/etc/profile.d/golang_path.sh'.
The script DOES NOT ever modify the GOPATH variable.
You can customize the behavior by setting environment variables (see Customization below).
git clone https://github.com/udhos/update-golang
cd update-golang
sudo ./update-golang.sh
Before running the script, make sure you have an untampered copy by verifying the SHA256 checksum.
$ wget -qO hash.txt https://raw.githubusercontent.com/udhos/update-golang/master/update-golang.sh.sha256
$ sha256sum -c hash.txt
update-golang.sh: OK
You can use the 'remove' option to undo update-golang.sh work:
$ sudo ./update-golang.sh remove
You can use the '-declutter' option to prevent caching downloaded archives:
$ sudo ./update-golang.sh -declutter
Sample session:
lab@ubu1:~$ go
The program 'go' can be found in the following packages:
* golang-go
* gccgo-go
Try: sudo apt install <selected package>
lab@ubu1:~$
lab@ubu1:~$ git clone https://github.com/udhos/update-golang
Cloning into 'update-golang'...
remote: Counting objects: 481, done.
remote: Compressing objects: 100% (11/11), done.
remote: Total 481 (delta 4), reused 9 (delta 2), pack-reused 468
Receiving objects: 100% (481/481), 70.22 KiB | 125.00 KiB/s, done.
Resolving deltas: 100% (248/248), done.
lab@ubu1:~$
lab@ubu1:~$ cd update-golang
lab@ubu1:~/update-golang$ sudo ./update-golang.sh
update-golang.sh: version 0.15
update-golang.sh: find_latest: found last release: 1.10.2
update-golang.sh: user: uid=0(root) gid=0(root) groups=0(root)
update-golang.sh: RELEASE_LIST=https://golang.org/doc/devel/release.html
update-golang.sh: SOURCE=https://storage.googleapis.com/golang
update-golang.sh: DESTINATION=/usr/local
update-golang.sh: RELEASE=1.10.2
update-golang.sh: OS=linux
update-golang.sh: ARCH_PROBE=uname -m
update-golang.sh: ARCH=amd64
update-golang.sh: PROFILED=/etc/profile.d/golang_path.sh
update-golang.sh: CACHE=/usr/local
update-golang.sh: GOPATH=
update-golang.sh: DEBUG=
update-golang.sh: will install golang go1.10.2.linux-amd64 as: /usr/local/go
update-golang.sh: https://storage.googleapis.com/golang/go1.10.2.linux-amd64.tar.gz is remote
update-golang.sh: no need to download - file cached: /usr/local/go1.10.2.linux-amd64.tar.gz
update-golang.sh: remove_old_link: not found symlink for old install
update-golang.sh: untar: tar -x -f /usr/local/go1.10.2.linux-amd64.tar.gz
update-golang.sh: path: removing old settings from: /etc/profile.d/golang_path.sh
update-golang.sh: path: issuing new /usr/local/go/bin to /etc/profile.d/golang_path.sh
update-golang.sh: path: issuing /home/lab/go/bin to /etc/profile.d/golang_path.sh
update-golang.sh: golang go1.10.2.linux-amd64 installed at: /usr/local/go
update-golang.sh: testing: /usr/local/go/bin/go version
update-golang.sh: go version go1.10.2 linux/amd64
update-golang.sh: /usr/local/go/bin/go version: SUCCESS
update-golang.sh: testing: /usr/local/go/bin/go run /tmp/hello-tmpv1bX1rQN.go
update-golang.sh: hello, world
update-golang.sh: /usr/local/go/bin/go run /tmp/hello-tmpv1bX1rQN.go: SUCCESS
update-golang.sh: cleanup: /tmp/tmp.tcNY25eXNl
lab@ubu1:~/update-golang$
These environment variables are available for customization:
RELEASE_LIST=https://golang.org/doc/devel/release.html ;# search for new releases from this url
SOURCE=https://storage.googleapis.com/golang ;# download source location
DESTINATION=/usr/local ;# install destination
RELEASE=1.8.3 ;# force golang release
OS=linux ;# force os
ARCH_PROBE='uname -m' ;# force arch detection command
ARCH=amd64 ;# force arch
PROFILED=/etc/profile.d/golang_path.sh ;# update PATH, optionally set GOROOT
CACHE=/usr/local ;# cache downloads in this dir
GOPATH= ;# use this GOPATH
DEBUG= ;# set to enable debug
Example:
$ sudo RELEASE=1.9beta1 ./update-golang.sh
Default behavior is to install Golang globally for all system users.
However you can use the environment variables to point locations to your per-user home directory.
The per-user installation does not need root (sudo) privileges.
Example installing:
This example will install Golang under ~/golang for current user only.
$ mkdir ~/golang
$ DESTINATION=~/golang PROFILED=~/.bash_profile ./update-golang.sh
Example uninstalling:
To uninstall, make sure to provide the same env vars used for installing:
$ DESTINATION=~/golang PROFILED=~/.bash_profile ./update-golang.sh remove
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