ayer-rpm

#!/bin/bash

source /usr/lib/ayer/functions.sh || exit 1

PROG=$(basename "$0")

TEMP=`getopt -n $PROG  -o t:,r:,d:,b: -l treeish:,release:,builddir: -- "$@"` || exit 1
eval set -- "$TEMP"

build_treeish=HEAD
build_release=
build_builddir=~/rpmbuild
build_rpmargs=-bs

while [ "$#" -gt 0 ]; do
    case "$1" in
        -t|--treeish)
            build_treeish=$2
            shift
            ;;
        -r|--release)
            build_release=$2
            shift
            ;;
        -d|--builddir)
            build_builddir=$2
            shift
            ;;
        -b)
            build_rpmargs=-b$2
            shift
    esac
    shift
done

src_dir=$build_builddir/SOURCES
spec_dir=$build_builddir/SPECS
mkdir -p "$src_dir" "$spec_dir"

extract_pattern "$build_treeish" "*.spec" "$spec_dir/" --full-tree | while read rel_spec_file; do 
    spec_file="${spec_dir}/${rel_spec_file}"

    if [ -n "$build_release" ]; then
        sed -i "s#Release:.*#Release:        ${build_release}%{?dist}#" "${spec_file}"
    fi

    changelog_commit_msg="* $(date '+%a %b %d %Y') Ayer Build System $(rpm_get_tag ${spec_file} version)\\
- build an RPM from commit $(git rev-parse $build_treeish)\\
"

    if ! grep -q '%changelog' "$spec_file"; then
        echo -e '\n%changelog' >> "$spec_file"
    fi
    sed -i "s/%changelog.*/%changelog\\
$changelog_commit_msg/" "$spec_file"

    rpm_name=$(rpm_get_tag "$spec_file" name)
    rpm_version=$(rpm_get_tag "$spec_file" version)
    tar_base="${rpm_name}-${rpm_version}"

    main_tarball="$src_dir/$tar_base.tar.gz"

    git archive --format=tar --prefix="$tar_base"/ "$build_treeish" | gzip -c - > "$main_tarball"

    rpmbuild $build_rpmargs "$spec_file" --define "_topdir $build_builddir"
done