Initial commit

skills/clap-patterns/scripts/generate-completions.sh

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+#!/usr/bin/env bash
+# Generate shell completions for Clap CLI applications
+#
+# Usage: ./generate-completions.sh <binary-name> [output-dir]
+#
+# This script generates shell completion scripts for bash, zsh, fish, and powershell.
+# The CLI binary must support the --generate-completions flag (built with Clap).
+
+set -euo pipefail
+
+BINARY="${1:-}"
+OUTPUT_DIR="${2:-completions}"
+
+if [ -z "$BINARY" ]; then
+    echo "Error: Binary name required"
+    echo "Usage: $0 <binary-name> [output-dir]"
+    exit 1
+fi
+
+# Create output directory
+mkdir -p "$OUTPUT_DIR"
+
+echo "Generating shell completions for: $BINARY"
+echo "Output directory: $OUTPUT_DIR"
+echo ""
+
+# Check if binary exists
+if ! command -v "$BINARY" &> /dev/null; then
+    echo "Warning: Binary '$BINARY' not found in PATH"
+    echo "Make sure to build and install it first: cargo install --path ."
+    exit 1
+fi
+
+# Generate completions for each shell
+for shell in bash zsh fish powershell elvish; do
+    echo "Generating $shell completions..."
+
+    case "$shell" in
+        bash)
+            "$BINARY" --generate-completion "$shell" > "$OUTPUT_DIR/${BINARY}.bash" 2>/dev/null || {
+                echo "  ⚠️  Failed (CLI may not support --generate-completion)"
+                continue
+            }
+            echo "  ✓ Generated: $OUTPUT_DIR/${BINARY}.bash"
+            ;;
+        zsh)
+            "$BINARY" --generate-completion "$shell" > "$OUTPUT_DIR/_${BINARY}" 2>/dev/null || {
+                echo "  ⚠️  Failed"
+                continue
+            }
+            echo "  ✓ Generated: $OUTPUT_DIR/_${BINARY}"
+            ;;
+        fish)
+            "$BINARY" --generate-completion "$shell" > "$OUTPUT_DIR/${BINARY}.fish" 2>/dev/null || {
+                echo "  ⚠️  Failed"
+                continue
+            }
+            echo "  ✓ Generated: $OUTPUT_DIR/${BINARY}.fish"
+            ;;
+        powershell)
+            "$BINARY" --generate-completion "$shell" > "$OUTPUT_DIR/_${BINARY}.ps1" 2>/dev/null || {
+                echo "  ⚠️  Failed"
+                continue
+            }
+            echo "  ✓ Generated: $OUTPUT_DIR/_${BINARY}.ps1"
+            ;;
+        elvish)
+            "$BINARY" --generate-completion "$shell" > "$OUTPUT_DIR/${BINARY}.elv" 2>/dev/null || {
+                echo "  ⚠️  Failed"
+                continue
+            }
+            echo "  ✓ Generated: $OUTPUT_DIR/${BINARY}.elv"
+            ;;
+    esac
+done
+
+echo ""
+echo "✓ Completion generation complete!"
+echo ""
+echo "Installation instructions:"
+echo ""
+echo "Bash:"
+echo "  sudo cp $OUTPUT_DIR/${BINARY}.bash /etc/bash_completion.d/"
+echo "  Or: echo 'source $PWD/$OUTPUT_DIR/${BINARY}.bash' >> ~/.bashrc"
+echo ""
+echo "Zsh:"
+echo "  cp $OUTPUT_DIR/_${BINARY} /usr/local/share/zsh/site-functions/"
+echo "  Or add to fpath: fpath=($PWD/$OUTPUT_DIR \$fpath)"
+echo ""
+echo "Fish:"
+echo "  cp $OUTPUT_DIR/${BINARY}.fish ~/.config/fish/completions/"
+echo ""
+echo "PowerShell:"
+echo "  Add to profile: . $PWD/$OUTPUT_DIR/_${BINARY}.ps1"