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faff8ba349
* Initial plan * fix: format shell scripts with shfmt (convert tabs to 2 spaces) Co-authored-by: kuhyx <147418882+kuhyx@users.noreply.github.com> * feat: enhance shell-check workflow for PR pre-merge validation - Add pull_request_target trigger to check PRs from forks - Add explicit failure message with instructions - Create BRANCH_PROTECTION.md with setup guide - Ensure workflow runs on all PRs targeting main/master Co-authored-by: kuhyx <147418882+kuhyx@users.noreply.github.com> * refactor: improve workflow security and remove redundant exit code - Remove pull_request_target to avoid executing untrusted fork code - Remove redundant exit 1 from failure step - Update documentation to reflect changes - Standard pull_request trigger handles forks securely Co-authored-by: kuhyx <147418882+kuhyx@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: kuhyx <147418882+kuhyx@users.noreply.github.com>
116 lines
2.2 KiB
Bash
Executable File
116 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# pdf_to_png.sh (magick-only backend, behaves like pdf_to_image)
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#
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# Convert one or more PDF files to image files using ImageMagick v7 `magick`.
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# Default output format is jpg, but can be changed with -f.
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# Source common library
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SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
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# shellcheck source=../lib/common.sh
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source "$SCRIPT_DIR/../lib/common.sh"
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OUTPUT_DIR=""
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OUTPUT_FORMAT="jpg"
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PDF_FILES=()
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usage() {
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cat << EOF
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Usage:
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$(basename "$0") [OPTIONS] PDF_FILE [PDF_FILE...]
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Convert one or more PDF files to images using ImageMagick 'magick'.
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Options:
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-o DIR Output directory (default: current directory)
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-f FORMAT Output image format (default: jpg)
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-h Show this help
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Examples:
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$(basename "$0") file.pdf
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$(basename "$0") -f png file1.pdf file2.pdf
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$(basename "$0") -o out -f webp file.pdf
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EOF
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}
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ensure_magick() {
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require_imagemagick "magick" || exit 1
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}
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parse_args() {
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local opt
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OUTPUT_DIR=""
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OUTPUT_FORMAT="jpg"
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PDF_FILES=()
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while getopts ":o:f:h" opt; do
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case "$opt" in
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o)
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OUTPUT_DIR="$OPTARG"
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;;
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f)
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OUTPUT_FORMAT="$OPTARG"
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;;
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h)
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usage
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exit 0
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;;
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*)
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usage
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exit 1
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;;
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esac
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done
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shift $((OPTIND - 1))
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if [[ $# -lt 1 ]]; then
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echo "Error: at least one PDF file must be specified." >&2
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usage
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exit 1
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fi
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PDF_FILES=("$@")
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if [[ -z ${OUTPUT_DIR:-} ]]; then
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OUTPUT_DIR="${PWD}"
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fi
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if [[ ! -d $OUTPUT_DIR ]]; then
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mkdir -p "$OUTPUT_DIR"
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fi
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}
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convert_pdf() {
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local pdf_file="$1"
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local base name out_pattern
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name="$(basename "$pdf_file")"
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base="${name%.*}"
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out_pattern="${OUTPUT_DIR%/}/${base}_page-"
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log "Converting '$pdf_file' to $OUTPUT_FORMAT using magick -> ${out_pattern}*.${OUTPUT_FORMAT}"
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magick -density 300 "$pdf_file" -quality 90 "${out_pattern}%d.${OUTPUT_FORMAT}"
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}
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main() {
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ensure_magick
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parse_args "$@"
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local pdf
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for pdf in "${PDF_FILES[@]}"; do
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if [[ ! -f $pdf ]]; then
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echo "Warning: '$pdf' is not a regular file, skipping." >&2
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continue
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fi
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convert_pdf "$pdf"
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done
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log "Done converting PDFs to ${OUTPUT_FORMAT}. Output directory: $OUTPUT_DIR"
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}
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main "$@"
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