Prepare for v0.5.1 release

Author: andrewkroh

README.md

@@ -8,15 +8,15 @@ examples for common shells.
 
 bash:
 
-`eval "$(gvm 1.18.5)"`
+`eval "$(gvm 1.21.0)"`
 
 cmd.exe (for batch scripts `%i` should be substituted with `%%i`):
 
-`FOR /f "tokens=*" %i IN ('"gvm.exe" 1.18.5') DO %i`
+`FOR /f "tokens=*" %i IN ('"gvm.exe" 1.21.0') DO %i`
 
 powershell:
 
-`gvm --format=powershell 1.18.5 | Invoke-Expression`
+`gvm --format=powershell 1.21.0 | Invoke-Expression`
 
 gvm flags can be set via environment variables by setting `GVM_<flag>`. For
 example `--http-timeout` can be set via `GVM_HTTP_TIMEOUT=10m`.
@@ -34,35 +34,45 @@ Linux (amd64):
 
 ``` bash
 # Linux Example (assumes ~/bin is in PATH).
-curl -sL -o ~/bin/gvm https://github.com/andrewkroh/gvm/releases/download/v0.5.0/gvm-linux-amd64
+curl -sL -o ~/bin/gvm https://github.com/andrewkroh/gvm/releases/download/v0.5.1/gvm-linux-amd64
 chmod +x ~/bin/gvm
-eval "$(gvm 1.18.5)"
+eval "$(gvm 1.21.0)"
+go version
+```
+
+Linux (arm64):
+
+``` bash
+# Linux Example (assumes ~/bin is in PATH).
+curl -sL -o ~/bin/gvm https://github.com/andrewkroh/gvm/releases/download/v0.5.1/gvm-linux-arm64
+chmod +x ~/bin/gvm
+eval "$(gvm 1.21.0)"
 go version
 ```
 
 macOS (universal):
 
 ``` bash
 # macOS Example
-curl -sL -o /usr/local/bin/gvm https://github.com/andrewkroh/gvm/releases/download/v0.5.0/gvm-darwin-all
+curl -sL -o /usr/local/bin/gvm https://github.com/andrewkroh/gvm/releases/download/v0.5.1/gvm-darwin-all
 chmod +x /usr/local/bin/gvm
-eval "$(gvm 1.18.5)"
+eval "$(gvm 1.21.0)"
 go version
 ```
 
 Windows (PowerShell):
 
 ```
 [Net.ServicePointManager]::SecurityProtocol = "tls12"
-Invoke-WebRequest -URI https://github.com/andrewkroh/gvm/releases/download/v0.5.0/gvm-windows-amd64.exe -Outfile C:\Windows\System32\gvm.exe
-gvm --format=powershell 1.18.5 | Invoke-Expression
+Invoke-WebRequest -URI https://github.com/andrewkroh/gvm/releases/download/v0.5.1/gvm-windows-amd64.exe -Outfile C:\Windows\System32\gvm.exe
+gvm --format=powershell 1.21.0 | Invoke-Expression
 go version
 ```
 
 Fish Shell:
 
-Use `gvm` with fish shell by executing `gvm 1.18.5 | source` in lieu of using `eval`.
+Use `gvm` with fish shell by executing `gvm 1.21.0 | source` in lieu of using `eval`.
 
 For existing Go users:
 
-`go install github.com/andrewkroh/gvm/cmd/gvm@v0.5.0`
+`go install github.com/andrewkroh/gvm/cmd/gvm@v0.5.1`

cmd/gvm/gvm.go

@@ -18,13 +18,13 @@ binary versions of Go from https://storage.googleapis.com/golang. Below are
 examples for common shells.
 
   bash:
-    eval "$(gvm 1.18.5)"
+    eval "$(gvm 1.21.0)"
 
   batch (windows cmd.exe):
-    FOR /f "tokens=*" %i IN ('"gvm.exe" 1.18.5') DO %i
+    FOR /f "tokens=*" %i IN ('"gvm.exe" 1.21.0') DO %i
 
   powershell:
-    gvm --format=powershell 1.18.5 | Invoke-Expression
+    gvm --format=powershell 1.21.0 | Invoke-Expression
 
 gvm flags can be set via environment variables by setting GVM_<flag>. For
 example --http-timeout can be set via GVM_HTTP_TIMEOUT=10m.

cmd/gvm/install.go

@@ -12,7 +12,7 @@ func installCommand(cmd *kingpin.CmdClause) func(*gvm.Manager) error {
 	var version string
 	var build bool
 	cmd.Flag("build", "Build go version from source").Short('b').BoolVar(&build)
-	cmd.Arg("version", "Go version to install (e.g. 1.18.5).").StringVar(&version)
+	cmd.Arg("version", "Go version to install (e.g. 1.21.0).").StringVar(&version)
 
 	return func(manager *gvm.Manager) error {
 		if version == "" {

cmd/gvm/use.go

@@ -20,7 +20,7 @@ type useCmd struct {
 func useCommand(cmd *kingpin.CmdClause) func(*gvm.Manager) error {
 	ctx := &useCmd{}
 
-	cmd.Arg("version", "Go version to install (e.g. 1.18.5).").StringVar(&ctx.version)
+	cmd.Arg("version", "Go version to install (e.g. 1.21.0).").StringVar(&ctx.version)
 	cmd.Flag("build", "Build go version from source").Short('b').BoolVar(&ctx.build)
 	cmd.Flag("no-install", "Don't install if missing").Short('n').BoolVar(&ctx.noInstall)
 	cmd.Flag("format", "Format to use for the shell commands. Options: bash, batch, powershell").