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| 1 | +// Copyright 2019 CUE Authors |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +package cmd |
| 16 | + |
| 17 | +import ( |
| 18 | + "fmt" |
| 19 | + |
| 20 | + "github.com/spf13/cobra" |
| 21 | +) |
| 22 | + |
| 23 | +var validCompletionArgs = []string{"bash", "zsh", "fish", "powershell"} |
| 24 | + |
| 25 | +const completionExample = ` |
| 26 | +Bash: |
| 27 | +
|
| 28 | +$ source <(cue completion bash) |
| 29 | +
|
| 30 | +# To load completions for each session, execute once: |
| 31 | +Linux: |
| 32 | + $ cue completion bash > /etc/bash_completion.d/cue |
| 33 | +MacOS: |
| 34 | + $ cue completion bash > /usr/local/etc/bash_completion.d/cue |
| 35 | +
|
| 36 | +Zsh: |
| 37 | +
|
| 38 | +$ source <(cue completion zsh) |
| 39 | +
|
| 40 | +# To load completions for each session, execute once: |
| 41 | +$ cue completion zsh > "${fpath[1]}/_cue" |
| 42 | +
|
| 43 | +Fish: |
| 44 | +
|
| 45 | +$ cue completion fish | source |
| 46 | +
|
| 47 | +# To load completions for each session, execute once: |
| 48 | +$ cue completion fish > ~/.config/fish/completions/cue.fish |
| 49 | +` |
| 50 | + |
| 51 | +func newCompletionCmd(c *Command) *cobra.Command { |
| 52 | + cmd := &cobra.Command{ |
| 53 | + Use: fmt.Sprintf("completion %s", validCompletionArgs), |
| 54 | + Short: "Generate completion script", |
| 55 | + Long: ``, |
| 56 | + Example: completionExample, |
| 57 | + ValidArgs: validCompletionArgs, |
| 58 | + Args: cobra.ExactValidArgs(1), |
| 59 | + RunE: mkRunE(c, runCompletion), |
| 60 | + } |
| 61 | + return cmd |
| 62 | +} |
| 63 | + |
| 64 | +func runCompletion(cmd *Command, args []string) error { |
| 65 | + w := cmd.OutOrStdout() |
| 66 | + switch args[0] { |
| 67 | + case "bash": |
| 68 | + cmd.Root().GenBashCompletion(w) |
| 69 | + case "zsh": |
| 70 | + cmd.Root().GenZshCompletion(w) |
| 71 | + case "fish": |
| 72 | + cmd.Root().GenFishCompletion(w, true) |
| 73 | + case "powershell": |
| 74 | + cmd.Root().GenPowerShellCompletion(w) |
| 75 | + default: |
| 76 | + return fmt.Errorf("%s is not a supported shell", args[0]) |
| 77 | + } |
| 78 | + return nil |
| 79 | +} |
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