136 lines
2.6 KiB
Bash
Executable File
136 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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set -e
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SCRIPT_NAME=$(basename "$(realpath "$0")")
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DB_PATH="/data/data/com.termux/files/usr/var/lib/whatprovides/whatprovides.db"
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DB_UPDATES_URL="https://dl.bintray.com/termux/metadata/whatprovides-db/whatprovides.db.gz"
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show_usage () {
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{
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echo
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echo "Usage: $SCRIPT_NAME [-u] path/to/file"
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echo " $SCRIPT_NAME -p [-u] package"
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echo
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echo "Find out packages using specific files."
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echo
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echo "Options:"
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echo
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echo " -h Show this help."
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echo
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echo " -p Reverse mode. List all files owned by specified"
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echo " package."
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echo
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echo " -u Update the database."
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echo
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echo " -q Quiet mode. Suppress informational messages."
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echo
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} >&2
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}
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update_database() {
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if [ -e "${DB_PATH}.gz" ]; then
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if ! ${QUIET}; then
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echo "[*] Cleaning up the remaining temporary files..." >&2
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fi
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rm -f "${DB_PATH}.gz"
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fi
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if ! ${QUIET}; then
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echo "[*] Downloading the new database..." >&2
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echo >&2
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curl --fail --retry 3 --retry-connrefused --retry-delay 1 --location \
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--output "${DB_PATH}.gz" "${DB_UPDATES_URL}"
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echo >&2
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echo "[*] Installing..." >&2
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else
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curl --silent --fail --retry 3 --retry-connrefused --retry-delay 1 \
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--location --output "${DB_PATH}.gz" "${DB_UPDATES_URL}"
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fi
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rm -f "${DB_PATH}"
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zcat "${DB_PATH}.gz" > "${DB_PATH}"
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rm -f "${DB_PATH}.gz"
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if ! ${QUIET}; then
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echo "[*] Finished." >&2
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fi
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}
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check_database() {
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if [ ! -e "${DB_PATH}" ]; then
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{
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echo "Error: database is not available."
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echo "Please run '${SCRIPT_NAME} -u' to create it."
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} >&2
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return 1
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fi
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}
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REVERSE_MODE=false
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DO_UPDATE=false
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QUIET=false
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while (($# > 0)); do
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case "$1" in
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-h) show_usage; exit 0;;
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-p) REVERSE_MODE=true;;
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-q) QUIET=true;;
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-u) DO_UPDATE=true;;
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-*)
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echo >&2
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echo "Unknown option '$1'." >&2
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show_usage
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exit 1
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;;
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*)
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break
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;;
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esac
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shift 1
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done
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if ${DO_UPDATE}; then
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update_database
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[ $# -lt 1 ] && exit 0
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else
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check_database
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fi
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if [ $# -lt 1 ]; then
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{
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echo
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echo "Error: you have not specified the file or package."
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echo
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} >&2
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exit 1
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fi
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if ${REVERSE_MODE}; then
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if ! grep -qP '^[a-z0-9_+\-]+$' <<< "$1"; then
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{
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echo
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echo "Error: package name '${1}' is not valid."
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echo
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} >&2
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exit 1
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fi
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echo "SELECT owned_file FROM 'whatprovides' WHERE package_name == '${1}' ORDER BY owned_file;" | \
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sqlite3 "${DB_PATH}" | awk "{ print \"${1}: \"\$0 }"
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else
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if [ ! -e "$1" ]; then
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{
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echo
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echo "Error: file '$1' is not found."
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echo
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} >&2
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exit 1
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fi
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echo "SELECT package_name FROM 'whatprovides' WHERE owned_file == '$(realpath "${1}")' ORDER BY package_name;" | \
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sqlite3 "${DB_PATH}" | awk "{ print \$0\": $(realpath "${1}")\" }"
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fi
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exit 0
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