2022-07-15 23:26:33 +02:00
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Gum
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===
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2022-06-11 00:07:40 +02:00
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2022-07-08 19:47:21 +02:00
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<p>
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2022-07-27 03:48:56 +02:00
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<a href="https://stuff.charm.sh/gum/nutritional-information.png" target="_blank"><img src="https://stuff.charm.sh/gum/gum.png" alt="Gum Image" width="450" /></a>
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2022-07-18 19:57:54 +02:00
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<br><br>
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2022-07-08 19:47:21 +02:00
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<a href="https://github.com/charmbracelet/gum/releases"><img src="https://img.shields.io/github/release/charmbracelet/gum.svg" alt="Latest Release"></a>
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2022-07-28 14:52:44 +02:00
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<a href="https://pkg.go.dev/github.com/charmbracelet/gum?tab=doc"><img src="https://godoc.org/github.com/golang/gddo?status.svg" alt="Go Docs"></a>
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2022-07-08 19:47:21 +02:00
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<a href="https://github.com/charmbracelet/gum/actions"><img src="https://github.com/charmbracelet/gum/workflows/build/badge.svg" alt="Build Status"></a>
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</p>
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2022-07-27 23:00:38 +02:00
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A tool for glamorous shell scripts. Leverage the power of
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2022-07-27 00:33:42 +02:00
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[Bubbles](https://github.com/charmbracelet/bubbles) and [Lip
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2022-07-27 23:00:38 +02:00
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Gloss](https://github.com/charmbracelet/lipgloss) in your scripts and aliases
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without writing any Go code!
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2022-07-15 22:11:32 +02:00
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2022-07-26 22:48:16 +02:00
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<img src="https://stuff.charm.sh/gum/demo.gif" width="600" alt="Shell running the ./demo.sh script" />
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2022-07-18 20:44:48 +02:00
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2022-07-26 19:21:08 +02:00
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The above example is running from a single shell script ([source](./examples/demo.sh)).
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2022-07-26 17:01:11 +02:00
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2022-07-21 17:55:52 +02:00
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## Tutorial
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2022-07-25 18:44:40 +02:00
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Gum provides highly configurable, ready-to-use utilities to help you write
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2022-07-27 23:00:38 +02:00
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useful shell scripts and dotfiles aliases with just a few lines of bash code.
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2022-07-22 21:57:56 +02:00
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Let's build a simple script to help you write [Conventional
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2022-07-21 17:55:52 +02:00
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Commits](https://www.conventionalcommits.org/en/v1.0.0/#summary) for your
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dotfiles.
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Start with a `#!/bin/bash`.
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```bash
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#!/bin/bash
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```
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2022-07-26 19:21:08 +02:00
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Ask for the commit type with `gum choose`:
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2022-07-21 17:55:52 +02:00
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```bash
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gum choose "fix" "feat" "docs" "style" "refactor" "test" "chore" "revert"
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```
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2022-07-26 19:21:08 +02:00
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> Tip: this command itself will print to `stdout` which is not all that useful.
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To make use of the command later on you can save the stdout to a `$VARIABLE` or
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`file.txt`.
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2022-07-21 17:55:52 +02:00
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Prompt for an (optional) scope for the commit:
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```bash
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gum input --placeholder "scope"
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```
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2022-07-26 19:21:08 +02:00
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Prompt for a commit message:
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2022-07-21 17:55:52 +02:00
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```bash
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gum input --placeholder "Summary of this change"
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```
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Prompt for a detailed (multi-line) explanation of the changes:
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```bash
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gum write --placeholder "Details of this change"
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```
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2022-07-28 00:40:52 +02:00
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Prompt for a confirmation before committing:
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2022-07-28 00:45:59 +02:00
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> `gum confirm` exits with status `0` if confirmed and status `1` if cancelled.
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2022-07-28 00:40:52 +02:00
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```bash
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gum confirm "Commit changes?" && git commit -m "$SUMMARY" -m "$DESCRIPTION"
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```
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2022-07-21 17:55:52 +02:00
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Putting it all together...
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```bash
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#!/bin/bash
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TYPE=$(gum choose "fix" "feat" "docs" "style" "refactor" "test" "chore" "revert")
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SCOPE=$(gum input --placeholder "scope")
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# Since the scope is optional, wrap it in parentheses if it has a value.
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[[ -n "$SCOPE" ]] && SCOPE="($SCOPE)"
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# Pre-populate the input with the type(scope): so that the user may change it
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SUMMARY=$(gum input --value "$TYPE$SCOPE: " --placeholder "Summary of this change")
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DESCRIPTION=$(gum write --placeholder "Details of this change")
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# Commit these changes
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2022-07-28 00:40:52 +02:00
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gum confirm "Commit changes?" && git commit -m "$SUMMARY" -m "$DESCRIPTION"
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2022-07-21 17:55:52 +02:00
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```
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2022-07-28 00:45:59 +02:00
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<img src="https://stuff.charm.sh/gum/commit_2.gif" width="600" alt="Running the ./examples/commit.sh script to commit to git" />
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2022-07-21 17:55:52 +02:00
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2022-07-08 19:31:54 +02:00
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## Installation
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Use a package manager:
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```bash
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# macOS or Linux
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brew tap charmbracelet/tap && brew install charmbracelet/tap/gum
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2022-07-08 23:34:51 +02:00
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# Arch Linux (btw)
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2022-07-27 21:19:43 +02:00
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yay -S gum-bin
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2022-07-08 19:31:54 +02:00
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# Nix
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nix-env -iA nixpkgs.gum
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2022-07-26 00:16:13 +02:00
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# Debian/Ubuntu
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echo 'deb [trusted=yes] https://repo.charm.sh/apt/ * *' | sudo tee /etc/apt/sources.list.d/charm.list
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sudo apt update && sudo apt install gum
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# Fedora
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echo '[charm]
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name=Charm
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baseurl=https://repo.charm.sh/yum/
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enabled=1
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gpgcheck=0' | sudo tee /etc/yum.repos.d/charm.repo
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sudo yum install gum
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2022-07-08 19:31:54 +02:00
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```
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Or download it:
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* [Packages][releases] are available in Debian and RPM formats
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* [Binaries][releases] are available for Linux, macOS, and Windows
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Or just install it with `go`:
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```bash
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go install github.com/charmbracelet/gum@latest
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```
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[releases]: https://github.com/charmbracelet/gum/releases
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2022-07-15 22:11:32 +02:00
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## Customization
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|
2022-07-26 19:21:08 +02:00
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`gum` is designed to be embedded in scripts and supports all sorts of use
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cases. Components are configurable and customizable to fit your theme and
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use case.
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2022-07-15 22:11:32 +02:00
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You can customize with `--flags`. See `gum <command> --help` for a full view of
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2022-07-26 19:21:08 +02:00
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each command's customization and configuration options.
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For example, let's use an `input` and change the cursor color, prompt color,
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prompt indicator, placeholder text, width, and pre-populate the value:
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2022-07-15 22:11:32 +02:00
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```bash
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gum input --cursor.foreground "#FF0" --prompt.foreground "#0FF" --prompt "* " \
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--placeholder "What's up?" --width 80 --value "Not much, hby?"
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```
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2022-07-22 18:00:38 +02:00
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<img src="https://stuff.charm.sh/gum/customization.gif" width="600" alt="Gum input displaying most customization options" />
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2022-06-11 00:07:40 +02:00
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## Interaction
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#### Input
|
2022-07-26 19:21:08 +02:00
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Prompt for input with a simple command.
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2022-06-11 00:07:40 +02:00
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```bash
|
2022-07-07 19:26:35 +02:00
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gum input > answer.text
|
2022-06-11 00:07:40 +02:00
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```
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2022-07-27 04:10:23 +02:00
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<img src="https://stuff.charm.sh/gum/input_1.gif" width="600" alt="Shell running gum input typing Not much, you?" />
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2022-07-13 05:44:06 +02:00
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2022-07-08 05:21:31 +02:00
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#### Write
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2022-07-26 19:21:08 +02:00
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Prompt for some multi-line text.
|
2022-07-08 05:21:31 +02:00
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```bash
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gum write > story.text
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```
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2022-07-26 22:48:16 +02:00
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<img src="https://stuff.charm.sh/gum/write.gif" width="600" alt="Shell running gum write typing a story" />
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2022-07-13 05:44:06 +02:00
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2022-07-08 19:58:14 +02:00
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#### Filter
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2022-06-11 00:07:40 +02:00
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2022-07-26 19:21:08 +02:00
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Use fuzzy matching to filter a list of values:
|
2022-06-11 00:07:40 +02:00
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```bash
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2022-07-07 19:26:35 +02:00
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echo Strawberry >> flavors.text
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echo Banana >> flavors.text
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2022-07-06 21:24:26 +02:00
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echo Cherry >> flavors.text
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2022-07-08 19:58:14 +02:00
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cat flavors.text | gum filter > selection.text
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2022-06-11 00:07:40 +02:00
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```
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2022-07-26 22:48:16 +02:00
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<img src="https://stuff.charm.sh/gum/filter.gif" width="600" alt="Shell running gum filter on different bubble gum flavors" />
|
2022-07-13 05:44:06 +02:00
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feat: `gum choose`, pick from a list of choices
gum choose allows the user to be prompted for a choice from a list of choices.
For example, let's ask the user to pick a card from a deck.
gum choose --height 15 {Ace,King,Queen,Jack,Ten,Nine,Eight,Seven,Six,Five,Four,Three,Two}" of "{Spades,Hearts,Clubs,Diamonds}
2022-07-11 22:17:47 +02:00
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#### Choose
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2022-07-26 19:21:08 +02:00
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Choose an option from a list of choices.
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feat: `gum choose`, pick from a list of choices
gum choose allows the user to be prompted for a choice from a list of choices.
For example, let's ask the user to pick a card from a deck.
gum choose --height 15 {Ace,King,Queen,Jack,Ten,Nine,Eight,Seven,Six,Five,Four,Three,Two}" of "{Spades,Hearts,Clubs,Diamonds}
2022-07-11 22:17:47 +02:00
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```bash
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echo "Pick a card, any card..."
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CARD=$(gum choose --height 15 {{A,K,Q,J},{10..2}}" "{♠,♥,♣,♦})
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echo "Was your card the $CARD?"
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```
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2022-07-26 19:21:08 +02:00
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You can also select multiple items with the `--limit` flag, which determines
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the maximum of items that can be chosen.
|
2022-07-13 19:14:59 +02:00
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```bash
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echo "Pick your top 5 songs."
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cat songs.txt | gum choose --limit 5
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```
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Or, allow any number of selections with the `--no-limit` flag.
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```bash
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echo "What do you need from the grocery store?"
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cat foods.txt | gum choose --no-limit
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```
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|
2022-07-26 22:48:16 +02:00
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<img src="https://stuff.charm.sh/gum/choose.gif" width="600" alt="Shell running gum choose with numbers and gum flavors" />
|
2022-07-13 05:44:06 +02:00
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|
2022-07-26 22:09:33 +02:00
|
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|
#### Confirm
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Confirm whether to perform an action. Exits with code `0` (affirmative) or `1`
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(negative) depending on selection.
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```bash
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gum confirm && rm file.txt || echo "File not removed"
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```
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|
2022-07-27 23:18:55 +02:00
|
|
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|
<img src="https://stuff.charm.sh/gum/confirm_2.gif" width="600" alt="Shell running gum confirm" />
|
2022-07-26 22:09:33 +02:00
|
|
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|
2022-07-18 20:44:48 +02:00
|
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#### Spin
|
2022-06-11 00:07:40 +02:00
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|
2022-07-26 19:21:08 +02:00
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Display a spinner while running a script or command. The spinner will
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automatically stop after the given command exits.
|
2022-06-11 00:07:40 +02:00
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```bash
|
2022-07-07 19:26:35 +02:00
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gum spin --spinner dot --title "Buying Bubble Gum..." -- sleep 5
|
2022-06-11 00:07:40 +02:00
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```
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|
2022-07-26 22:48:16 +02:00
|
|
|
|
<img src="https://stuff.charm.sh/gum/spin.gif" width="600" alt="Shell running gum spin while sleeping for 5 seconds" />
|
2022-07-13 05:44:06 +02:00
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|
2022-07-18 20:44:48 +02:00
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|
## Styling
|
2022-06-11 00:07:40 +02:00
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|
2022-07-08 05:21:31 +02:00
|
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#### Style
|
2022-07-18 20:44:48 +02:00
|
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|
2022-06-11 00:07:40 +02:00
|
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Pretty print any string with any layout with one command.
|
|
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```bash
|
2022-07-07 19:26:35 +02:00
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gum style \
|
2022-07-13 20:45:44 +02:00
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--foreground 212 --border-foreground 212 --border double \
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--align center --width 50 --margin "1 2" --padding "2 4" \
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|
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|
|
'Bubble Gum (1¢)' 'So sweet and so fresh!'
|
2022-06-11 00:07:40 +02:00
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|
```
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|
2022-07-20 21:19:23 +02:00
|
|
|
|
<img src="https://stuff.charm.sh/gum/style.gif" width="600" alt="Bubble Gum, So sweet and so fresh!" />
|
2022-06-11 00:07:40 +02:00
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2022-07-18 20:44:48 +02:00
|
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## Layout
|
|
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|
2022-07-08 05:21:31 +02:00
|
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#### Join
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|
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|
2022-07-26 19:21:08 +02:00
|
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|
|
Combine text vertically or horizontally. Use this command with `gum style` to
|
|
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|
|
build layouts and pretty output.
|
2022-07-08 05:21:31 +02:00
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2022-07-26 19:21:08 +02:00
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Tip: Always wrap the output of `gum style` in quotes to preserve newlines
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(`\n`) when using it as an argument in the `join` command.
|
2022-07-08 05:21:31 +02:00
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|
```bash
|
2022-07-13 20:45:44 +02:00
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I=$(gum style --padding "1 5" --border double --border-foreground 212 "I")
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LOVE=$(gum style --padding "1 4" --border double --border-foreground 57 "LOVE")
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BUBBLE=$(gum style --padding "1 8" --border double --border-foreground 255 "Bubble")
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GUM=$(gum style --padding "1 5" --border double --border-foreground 240 "Gum")
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2022-07-08 05:29:18 +02:00
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|
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I_LOVE=$(gum join "$I" "$LOVE")
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BUBBLE_GUM=$(gum join "$BUBBLE" "$GUM")
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|
gum join --align center --vertical "$I_LOVE" "$BUBBLE_GUM"
|
2022-07-08 05:21:31 +02:00
|
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|
```
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|
2022-07-26 22:48:16 +02:00
|
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|
|
<img src="https://stuff.charm.sh/gum/join.gif" width="600" alt="I LOVE Bubble Gum written out in four boxes with double borders around them." />
|
2022-07-08 05:21:31 +02:00
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2022-07-18 20:44:48 +02:00
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## Format
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|
2022-07-26 19:21:08 +02:00
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`format` processes and formats bodies of text. `gum format` can parse markdown,
|
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|
template strings, and named emojis.
|
2022-07-15 17:01:19 +02:00
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|
|
```bash
|
2022-07-20 19:49:09 +02:00
|
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|
|
# Format some markdown
|
2022-07-15 17:14:38 +02:00
|
|
|
|
gum format -- "# Gum Formats" "- Markdown" "- Code" "- Template" "- Emoji"
|
2022-07-15 17:01:19 +02:00
|
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|
|
echo "# Gum Formats\n- Markdown\n- Code\n- Template\n- Emoji" | gum format
|
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|
2022-07-20 19:49:09 +02:00
|
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|
|
# Syntax highlight some code
|
2022-07-15 17:01:19 +02:00
|
|
|
|
cat main.go | gum format -t code
|
2022-07-18 20:44:48 +02:00
|
|
|
|
|
2022-07-20 19:49:09 +02:00
|
|
|
|
# Render text any way you want with templates
|
2022-07-15 17:14:38 +02:00
|
|
|
|
echo '{{ Bold "Tasty" }} {{ Italic "Bubble" }} {{ Color "99" "0" " Gum " }}' \
|
|
|
|
|
| gum format -t template
|
2022-07-15 17:01:19 +02:00
|
|
|
|
|
2022-07-20 19:49:09 +02:00
|
|
|
|
# Display your favorite emojis!
|
2022-07-15 17:01:19 +02:00
|
|
|
|
echo 'I :heart: Bubble Gum :candy:' | gum format -t emoji
|
|
|
|
|
```
|
|
|
|
|
|
2022-07-26 19:21:08 +02:00
|
|
|
|
For more information on template helpers, see the [Termenv
|
|
|
|
|
docs](https://github.com/muesli/termenv#template-helpers). For a full list of
|
|
|
|
|
named emojis see the [GitHub API](https://api.github.com/emojis).
|
|
|
|
|
|
2022-07-26 22:48:16 +02:00
|
|
|
|
<img src="https://stuff.charm.sh/gum/format.gif" width="600" alt="Running gum format for different types of formats" />
|
2022-07-15 17:14:38 +02:00
|
|
|
|
|
2022-07-11 19:30:57 +02:00
|
|
|
|
## Examples
|
|
|
|
|
|
|
|
|
|
See the [examples](./examples/) directory for more real world use cases.
|
|
|
|
|
|
|
|
|
|
How to use `gum` in your daily workflows:
|
|
|
|
|
|
|
|
|
|
#### Write a commit message
|
|
|
|
|
|
2022-07-26 19:21:08 +02:00
|
|
|
|
Prompt for input to write git commit messages with a short summary and
|
2022-07-11 19:30:57 +02:00
|
|
|
|
longer details with `gum input` and `gum write`.
|
|
|
|
|
|
2022-07-26 19:21:08 +02:00
|
|
|
|
Bonus points: use `gum filter` with the [Conventional Commits
|
2022-07-11 19:30:57 +02:00
|
|
|
|
Specification](https://www.conventionalcommits.org/en/v1.0.0/#summary) as a
|
|
|
|
|
prefix for your commit message.
|
|
|
|
|
|
|
|
|
|
```bash
|
|
|
|
|
git commit -m "$(gum input --width 50 --placeholder "Summary of changes")" \
|
|
|
|
|
-m "$(gum write --width 80 --placeholder "Details of changes")"
|
|
|
|
|
```
|
|
|
|
|
|
2022-07-13 22:26:58 +02:00
|
|
|
|
#### Open files in your `$EDITOR`
|
|
|
|
|
|
2022-07-27 23:00:38 +02:00
|
|
|
|
By default, `gum filter` will display a list of all files (searched
|
|
|
|
|
recursively) through your current directory, with some sensible ignore settings
|
|
|
|
|
(`.git`, `node_modules`). You can use this command to easily to pick a file and
|
|
|
|
|
open it in your `$EDITOR`.
|
2022-07-13 22:26:58 +02:00
|
|
|
|
|
|
|
|
|
```bash
|
|
|
|
|
$EDITOR $(gum filter)
|
|
|
|
|
```
|
|
|
|
|
|
2022-07-11 19:30:57 +02:00
|
|
|
|
#### Connect to a TMUX session
|
|
|
|
|
|
2022-07-26 19:21:08 +02:00
|
|
|
|
Pick from a running `tmux` session and attach to it. Or, if you're already in a
|
|
|
|
|
`tmux` session, switch sessions.
|
2022-07-11 19:30:57 +02:00
|
|
|
|
|
|
|
|
|
```bash
|
|
|
|
|
SESSION=$(tmux list-sessions -F \#S | gum filter --placeholder "Pick session...")
|
|
|
|
|
tmux switch-client -t $SESSION || tmux attach -t $SESSION
|
|
|
|
|
```
|
2022-07-08 05:21:31 +02:00
|
|
|
|
|
2022-07-22 17:33:14 +02:00
|
|
|
|
<img src="https://stuff.charm.sh/gum/pick-tmux-session.gif" width="600" alt="Picking a tmux session with gum filter" />
|
2022-07-15 17:23:21 +02:00
|
|
|
|
|
2022-07-26 19:21:08 +02:00
|
|
|
|
#### Pick commit hash from your Git history
|
2022-07-11 19:54:45 +02:00
|
|
|
|
|
2022-07-26 19:21:08 +02:00
|
|
|
|
Filter through your git history searching for commit messages, copying the
|
|
|
|
|
commit hash of the commit you select.
|
2022-07-11 19:54:45 +02:00
|
|
|
|
|
|
|
|
|
```bash
|
|
|
|
|
git log --oneline | gum filter | cut -d' ' -f1 # | copy
|
|
|
|
|
```
|
|
|
|
|
|
2022-07-22 16:59:39 +02:00
|
|
|
|
<img src="https://stuff.charm.sh/gum/pick-commit.gif" width="600" alt="Picking a commit with gum filter" />
|
2022-07-15 17:23:21 +02:00
|
|
|
|
|
2022-07-13 19:14:59 +02:00
|
|
|
|
#### Choose packages to uninstall
|
|
|
|
|
|
|
|
|
|
List all packages installed by your package manager (we'll use `brew`) and
|
|
|
|
|
choose which packages to uninstall.
|
|
|
|
|
|
|
|
|
|
```bash
|
|
|
|
|
brew list | gum choose --no-limit | xargs brew uninstall
|
|
|
|
|
```
|
2022-07-11 19:54:45 +02:00
|
|
|
|
|
2022-06-11 00:07:40 +02:00
|
|
|
|
## Feedback
|
|
|
|
|
|
|
|
|
|
We’d love to hear your thoughts on this project. Feel free to drop us a note!
|
|
|
|
|
|
|
|
|
|
* [Twitter](https://twitter.com/charmcli)
|
|
|
|
|
* [The Fediverse](https://mastodon.technology/@charm)
|
|
|
|
|
* [Slack](https://charm.sh/slack)
|
|
|
|
|
|
|
|
|
|
## License
|
|
|
|
|
|
2022-07-11 19:30:57 +02:00
|
|
|
|
[MIT](https://github.com/charmbracelet/gum/raw/main/LICENSE)
|
2022-06-11 00:07:40 +02:00
|
|
|
|
|
2022-07-27 01:29:07 +02:00
|
|
|
|
---
|
|
|
|
|
|
2022-06-11 00:07:40 +02:00
|
|
|
|
Part of [Charm](https://charm.sh).
|
|
|
|
|
|
2022-07-20 21:19:23 +02:00
|
|
|
|
<a href="https://charm.sh/"><img alt="The Charm logo" src="https://stuff.charm.sh/charm-badge.jpg" width="400" /></a>
|
2022-06-11 00:07:40 +02:00
|
|
|
|
|
|
|
|
|
Charm热爱开源 • Charm loves open source
|