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Refactored env usage hint with @ehazlett's review comments 

Signed-off-by: Tom Barlow <tomwbarlow@gmail.com>
This commit is contained in:
Tom Barlow 2015-03-27 17:39:26 +00:00
parent 3f76cf14ad
commit f2b25ae3f1
1 changed files with 7 additions and 10 deletions
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17
commands.go
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@ -726,7 +726,7 @@ func cmdEnv(c *cli.Context) {
} }
} }
usageHint := generateUsageHint(c, userShell) usageHint := generateUsageHint(c.Args().First(), userShell)
switch userShell { switch userShell {
case "fish": case "fish":
@ -738,27 +738,24 @@ func cmdEnv(c *cli.Context) {
} }
} }
func generateUsageHint(c *cli.Context, userShell string) string { func generateUsageHint(machineName string, userShell string) string {
msg := "# Run this command to configure your shell: "
cmd := "" cmd := ""
machine := c.Args().First()
switch userShell { switch userShell {
case "fish": case "fish":
if machine != "" { if machineName != "" {
cmd = fmt.Sprintf("eval (docker-machine env %s)", machine) cmd = fmt.Sprintf("eval (docker-machine env %s)", machineName)
} else { } else {
cmd = "eval (docker-machine env)" cmd = "eval (docker-machine env)"
} }
default: default:
if machine != "" { if machineName != "" {
cmd = fmt.Sprintf("eval $(docker-machine env %s)", machine) cmd = fmt.Sprintf("eval $(docker-machine env %s)", machineName)
} else { } else {
cmd = "eval $(docker-machine env)" cmd = "eval $(docker-machine env)"
} }
} }
return fmt.Sprintf("%s %s\n", msg, cmd) return fmt.Sprintf("# Run this command to configure your shell: %s\n", cmd)
} }
func cmdSsh(c *cli.Context) { func cmdSsh(c *cli.Context) {