gen_changelog

#!/bin/bash
# description: Build rootfs from repos based on environment variables
# license: MIT.
#
# Utility to generate rpm package list of given container image and use it to generate
# change log for git commit use. OsVersion param used variable for generated files
#
# Usage:
#   gen_changelog "OsVersion" "newImageId" "OldImageId"
#
# Example
#   gen_changelog "8" "almalinux:8" "almalinux:8.5"
#
docker run --rm ${2} rpm -qa --queryformat '%{name} %{version}-%{release}\n' | grep -v pubkey | sort > __changelog_al${1}_pkglist_new.log
docker run --rm ${3} rpm -qa --queryformat '%{name} %{version}-%{release}\n' | grep -v pubkey | sort > __changelog_al${1}_pkglist_old.log

CMD_PYTHON=python3

if [ -x "$(command -v /usr/libexec/platform-python)" ]; then
  CMD_PYTHON=/usr/libexec/platform-python
fi
${CMD_PYTHON} gen_changelog.py __changelog_al${1}_pkglist_old.log __changelog_al${1}_pkglist_new.log > __changelog_al${1}.log
cat > "changelog_al${1}.log" <<-EOI
### AlmaLinux ${1} change log

EOI
cat __changelog_al${1}.log  >> changelog_al${1}.log