srpmx

#!/bin/bash -
# srpm-extract -- Extract files from a source RPM
# 2002-05-27 JPV
# 2025-01-13,09-23: if this fails, like as follows, `apt install rpm2cpio`
# or see the BINARY `/bin/rpm2cpio` on an RPM system!
#    Error: header not recognized
#    cpio: premature end of archive

if [ -z "$1" -o "$1" == '-h' -o "$1" == '--help' ]; then
    echo ''
    echo 'Extract files from an (S)RPM:'
    echo "     usage: $0 {Package Name}"
    echo ''
    echo "Will create a dir name based on the file by removing .(s)rpm suffix."
    echo ''
    exit 1
fi

file="$1"
dir="${file%%.srpm}"  # Remove trailing .srpm, if any
dir="${dir%%.rpm}"    # Remove trailing .rpm, if any

set -e # Exit immediately if a command exits with a non-zero status

if [ ! -f "$file" ]; then
    echo "FATAL: '$file' not found!"
    exit 2
fi

if [ -d "$dir" ]; then
    echo "FATAL: '$dir' already exists!"
    exit 3
else
    mkdir "$dir"
fi
cd "$dir"

echo "Extracting to '$dir'..."
rpm2cpio "../$file" | cpio -i --make-directories