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switch.go
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switch.go
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// Copyright (c) Jeevanandam M. (https://github.com/jeevatkm)
// go-aah/tools/aah source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"strings"
"gopkg.in/urfave/cli.v1"
)
const (
releaseBranchName = "master"
edgeBranchName = "v0-edge"
emojiThumpsUp = `👍`
)
var switchCmd = cli.Command{
Name: "switch",
Aliases: []string{"s"},
Usage: "Switches between aah release and edge version",
Description: `Provides an ability to switch between aah release and latest edge version.
Examples of short and long flags:
aah s
aah switch
To check which version is currently active:
aah s -w
aah switch --whoami
To refresh edge version to the latest codebase:
aah s -r
aah switch --refresh
Note:
- Currently it works with only GOPATH.
- It always operates on latest edge version and current release version on your GOPATH, specific version is not supported.`,
Flags: []cli.Flag{
cli.StringFlag{
Name: "v, version",
Usage: "To mention latest release or edge version",
Value: "edge",
},
cli.BoolFlag{
Name: "w, whoami",
Usage: "To know which version is currently active",
},
cli.BoolFlag{
Name: "r, refresh",
Usage: "To refresh edge version to the latest codebase",
},
},
Action: switchAction,
}
func switchAction(c *cli.Context) error {
cliLog = initCLILogger(nil)
branchName := gitBranchName(libDir("aah"))
if c.Bool("w") || c.Bool("whoami") {
return whoami(branchName)
}
if c.Bool("r") || c.Bool("refresh") {
return doRefresh(branchName)
}
return doSwitch(branchName, strings.ToLower(firstNonEmpty(c.String("v"), c.String("version"))))
}
func whoami(branchName string) error {
if branchName == releaseBranchName {
cliLog.Infof("You're using aah 'release' version.\n")
} else { // treat every branch as 'edge' version expect branch 'master'.
cliLog.Infof("You're using aah 'edge' version, your feedback is highly appreciated.\n")
}
return nil
}
func doRefresh(branchName string) error {
fname := friendlyName(branchName)
if branchName == releaseBranchName {
cliLog.Infof("Refresh option is for 'edge' version only, currently you're on '%s' version.\n", fname)
cliLog.Infof("Use 'aah update' command to update your aah to the latest release version on your GOPATH.\n")
return nil
}
cliLog.Infof("Refreshing aah '%s' version ...\n", fname)
aahLibDirs := aahLibraryDirs()
// Refresh to latest edge codebase
refreshLibCode(aahLibDirs)
// Refresh dependencies in grace mode
fetchLibDeps()
checkoutBranch(aahLibDirs, edgeBranchName)
// Install aah CLI for current version
installCLI()
cliLog.Infof("You have successfully refreshed aah '%s' version.\n", fname)
return nil
}
func doSwitch(branchName, target string) error {
fname := friendlyName(branchName)
if target == fname {
cliLog.Infof("Currently you're on aah '%s' version.\n", fname)
cliLog.Infof("To switch to release version. Run 'aah s -v release'\n")
if fname == "edge" {
ans := collectYesOrNo(reader, "Would you like to refresh 'edge' to latest updates? ([Y]es or [N]o), default is 'N'")
fmt.Println()
if ans {
doRefresh(branchName)
}
}
return nil
}
var toBranch string
if branchName == releaseBranchName {
toBranch = edgeBranchName
} else {
toBranch = releaseBranchName
}
cliLog.Infof("Switching aah to '%s' version ...\n", friendlyName(toBranch))
// // Checkout the branch
aahLibDirs := aahLibraryDirs()
checkoutBranch(aahLibDirs, toBranch)
if toBranch == edgeBranchName {
cliLog.Infof("Refreshing aah to latest '%s' updates ...\n", friendlyName(toBranch))
refreshLibCode(aahLibDirs)
}
// Refresh dependencies in grace mode
fetchLibDeps()
checkoutBranch(aahLibDirs, toBranch)
// Install aah CLI for current version
installCLI()
if toBranch == releaseBranchName {
cliLog.Infof("You have successfully switched %s.\n", emojiThumpsUp)
} else {
cliLog.Infof("You have successfully switched %s, your feedback is appreciated.\n", emojiThumpsUp)
}
return nil
}
func friendlyName(branchName string) string {
if branchName == edgeBranchName {
return "edge"
}
return "release"
}