Script to ease updating delve package in OpenWrt package repository

delve_update.sh

#!/bin/bash

set -e

pkg_version=
branch=master
remote=https://github.com/nwidger/packages.git

case $# in
    1)
	pkg_version=$1
	;;
    2)
	pkg_version=$1
	branch=$2
	;;
    3)
	pkg_version=$1
	branch=$2
	remote=$3
	;;
    *)
	name=`basename $0`
	echo "Usage: $name <delve-version> [<git-branch-name>] [<git-remote-name>]"
	echo ""
	echo "Examples:"
	echo "	$name 1.7.2"
	echo "	$name 1.7.2 master"
	echo "	$name 1.7.2 master https://github.com/foo/packages.git"
	echo "	$name 1.7.2 openwrt-21.02"
	echo "	$name 1.7.2 openwrt-21.02 https://github.com/foo/packages.git"
	exit 1
	;;
esac

tmpdir1=$(mktemp -d)
source_path=$tmpdir1/delve-v${pkg_version}.tar.gz
curl -sf https://codeload.github.com/go-delve/delve/tar.gz/v${pkg_version} > $source_path
pkg_hash=$(sha256sum $source_path | awk '{ print $1 }')
rm -rf $tmpdir2

tmpdir2=$(mktemp -d)
git clone -q --branch=$branch https://github.com/openwrt/packages.git $tmpdir2
cd $tmpdir2

git remote add fork $remote

newbranch=delve-$pkg_version
if [ "$branch" != "master" ];
then
    newbranch=$newbranch-$branch
fi

git checkout -q -b $newbranch

delve_makefile=devel/delve/Makefile

sed -i -e "s/PKG_VERSION:=.*/PKG_VERSION:=${pkg_version}/g" $delve_makefile
sed -i -e "s/PKG_HASH:=.*/PKG_HASH:=${pkg_hash}/g" $delve_makefile

git add $delve_makefile

title="delve: Update to $pkg_version"
if [ "$branch" != "master" ];
then
    title="[$branch] $title"
fi

git_name=$(git config user.name)
git_email=$(git config user.email)

git commit -q -m "$title

See https://github.com/go-delve/delve/blob/master/CHANGELOG.md for
changes.

Signed-off-by: $git_name <$git_email>"

git push fork $newbranch

cd /
rm -rf $tmpdir2