mirror of
https://github.com/kuhyx/testsAndMisc.git
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89 lines
3.2 KiB
Bash
89 lines
3.2 KiB
Bash
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#!/usr/bin/env bash
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# makepkg-manual-dlagent.sh — A makepkg download agent for the manual:// protocol.
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#
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# makepkg calls this as: makepkg-manual-dlagent.sh <url> <output_file>
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#
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# For Unreal Engine URLs, it opens the Epic download page in your browser,
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# watches ~/Downloads via inotifywait, and copies the finished file to the
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# expected output path — making `yay -Sua` seamless.
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#
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# For any other manual:// URL, it prints the original "please download manually"
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# message and watches ~/Downloads for a matching filename.
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#
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# Install:
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# 1. Place this script somewhere on your PATH or a known location.
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# 2. Add to ~/.makepkg.conf:
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# DLAGENTS+=('manual::/path/to/makepkg-manual-dlagent.sh %u %o')
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#
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# Dependencies: inotify-tools (inotifywait), xdg-open
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set -euo pipefail
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URL="$1" # e.g. manual://Linux_Unreal_Engine_5.7.2.zip
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OUTPUT="$2" # e.g. /home/user/.cache/yay/unreal-engine-bin/Linux_Unreal_Engine_5.7.2.zip
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DOWNLOAD_DIR="${XDG_DOWNLOAD_DIR:-$HOME/Downloads}"
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# Strip the manual:// prefix to get the bare filename
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FILENAME="${URL#manual://}"
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# If the output file already exists, nothing to do
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if [[ -f "$OUTPUT" ]]; then
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echo " -> File already exists: $OUTPUT"
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exit 0
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fi
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# If already sitting in ~/Downloads, just copy it
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if [[ -f "$DOWNLOAD_DIR/$FILENAME" ]]; then
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echo " -> Found $FILENAME in $DOWNLOAD_DIR, copying..."
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cp -- "$DOWNLOAD_DIR/$FILENAME" "$OUTPUT"
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exit 0
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fi
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# Determine which browser page to open based on the filename
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OPEN_URL=""
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case "$FILENAME" in
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Linux_Unreal_Engine_*.zip)
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OPEN_URL="https://www.unrealengine.com/linux"
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;;
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esac
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echo ""
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echo " ┌─────────────────────────────────────────────────────────────┐"
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echo " │ manual:// download agent │"
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echo " │ File needed: $FILENAME"
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echo " │ Destination: $OUTPUT"
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if [[ -n "$OPEN_URL" ]]; then
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echo " │ Download from: $OPEN_URL"
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fi
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echo " │ │"
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echo " │ Download the file in your browser. │"
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echo " │ It will be detected automatically from ~/Downloads. │"
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echo " │ Press Ctrl+C to abort. │"
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echo " └─────────────────────────────────────────────────────────────┘"
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echo ""
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# Open browser if we have a URL
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if [[ -n "$OPEN_URL" ]]; then
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xdg-open "$OPEN_URL" 2>/dev/null &
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fi
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# Escape dots in filename for inotifywait regex
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FILENAME_ESCAPED="${FILENAME//./\\.}"
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# Watch ~/Downloads for the file to appear
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while true; do
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inotifywait -q -q -e close_write,moved_to \
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--include "${FILENAME_ESCAPED}$" \
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"$DOWNLOAD_DIR" 2>/dev/null || true
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if [[ -f "$DOWNLOAD_DIR/$FILENAME" ]]; then
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# Brief pause to ensure the file is fully flushed
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sleep 2
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echo " -> Download complete: $DOWNLOAD_DIR/$FILENAME"
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cp -- "$DOWNLOAD_DIR/$FILENAME" "$OUTPUT"
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echo " -> Copied to $OUTPUT"
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exit 0
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fi
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done
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