Fix Screenshots workflow: glob path not expanded and ffmpeg install failure

.github/workflows/screenshots.yml

@@ -0,0 +1,53 @@
+name: Screenshots
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - '*.go'
+      - 'examples/**/*.go'
+      - 'examples/**/*.tape'
+  pull_request:
+    paths:
+      - '*.go'
+      - 'examples/**/*.go'
+      - 'examples/**/*.tape'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  screenshots:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Install vhs dependencies
+        run: sudo apt-get update -q && sudo apt-get install -y ffmpeg ttyd
+
+      - name: Install vhs
+        run: go install github.com/charmbracelet/vhs@latest
+
+      - name: Pre-build examples
+        run: go build ./examples/...
+
+      - name: Generate screenshots
+        run: find examples -name '*.tape' -print0 | sort -z | xargs -0 -I{} vhs {}
+
+      - uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: screenshots
+          path: 'examples/**/*.gif'
+
+      - uses: stefanzweifel/git-auto-commit-action@v5
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        with:
+          commit_message: 'chore: update example screenshots [skip ci]'
+          file_pattern: 'examples/**/*.gif'

examples/basic/basic.tape

@@ -0,0 +1,15 @@
+Output examples/basic/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 200
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/basic/"
+Enter
+Sleep 10s

examples/colorize/colorize.tape

@@ -0,0 +1,15 @@
+Output examples/colorize/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 450
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/colorize/"
+Enter
+Sleep 10s

examples/colors/colors.tape

@@ -0,0 +1,15 @@
+Output examples/colors/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 1000
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/colors/"
+Enter
+Sleep 15s

examples/custom-theme/custom-theme.tape

@@ -0,0 +1,15 @@
+Output examples/custom-theme/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 800
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/custom-theme/"
+Enter
+Sleep 15s

examples/env-theme/env-theme.tape

@@ -0,0 +1,15 @@
+Output examples/env-theme/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 500
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "CLI_THEME=dracula go run ./examples/env-theme/"
+Enter
+Sleep 15s

examples/fatal/fatal.tape

@@ -0,0 +1,15 @@
+Output examples/fatal/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 250
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/fatal/"
+Enter
+Sleep 10s

examples/formatting/formatting.tape

@@ -0,0 +1,15 @@
+Output examples/formatting/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 650
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/formatting/"
+Enter
+Sleep 15s

examples/instance/instance.tape

@@ -0,0 +1,15 @@
+Output examples/instance/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 900
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/instance/"
+Enter
+Sleep 15s

examples/levels/levels.tape

@@ -0,0 +1,15 @@
+Output examples/levels/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 800
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/levels/"
+Enter
+Sleep 15s

examples/nocolor/nocolor.tape

@@ -0,0 +1,15 @@
+Output examples/nocolor/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 800
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/nocolor/"
+Enter
+Sleep 15s

examples/prefix/prefix.tape

@@ -0,0 +1,15 @@
+Output examples/prefix/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 800
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/prefix/"
+Enter
+Sleep 15s

examples/real-world/real-world.tape

@@ -0,0 +1,15 @@
+Output examples/real-world/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 700
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/real-world/"
+Enter
+Sleep 25s

examples/theme-selector/theme-selector.tape

@@ -0,0 +1,15 @@
+Output examples/theme-selector/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 950
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/theme-selector/ --list"
+Enter
+Sleep 15s

examples/themes/themes.tape

@@ -0,0 +1,15 @@
+Output examples/themes/screenshot.gif
+
+Set Shell "bash"
+Set FontSize 14
+Set Width 1200
+Set Height 5000
+Set Theme "Dracula"
+Set TypingSpeed 10ms
+
+Env PS1 "$ "
+
+Sleep 500ms
+Type "go run ./examples/themes/"
+Enter
+Sleep 15s

justfile

@@ -38,5 +38,9 @@ fmt:
 vet:
     go vet ./...
 
+# generate screenshots for all examples (requires vhs: https://github.com/charmbracelet/vhs)
+screenshots:
+    find examples -name '*.tape' -print0 | sort -z | xargs -0 -I{} vhs {}
+
 # run all checks (fmt, vet, lint, test)
 check: fmt vet lint test

mise.toml

@@ -1,3 +1,4 @@
 [tools]
 go = "1.26.0"
 golangci-lint = "2.8.0"
+"ubi:charmbracelet/vhs" = "latest"