prep-gsissh

#! /bin/sh

openssh_version=7.5p1
gsissh_version=${openssh_version}b
openssh_tarball=openssh-${openssh_version}.tar.gz
Source0=http://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/${openssh_tarball}

# Patch0 is the HPN-SSH patch to Portable OpenSSH
Patch0="https://github.com/globus/gsi-openssh/releases/download/${gsissh_version}/openssh-7_5_P1-hpn-14.13.diff"
# Patch1 is the iSSHD patch to HPN-SSH
Patch1="https://github.com/globus/gsi-openssh/releases/download/${gsissh_version}/hpn-14.13-isshd.v3.19.1.patch"
# Patch2 is the GSI patch to be applied on top of the iSSHD patch
Patch2="https://github.com/globus/gsi-openssh/releases/download/${gsissh_version}/hpn_isshd-gsi.7.5p1b.patch"
##Patch3 is the OpenSSL 1.1 patch to be applied on top of the GSI patch and is constructed as follows:
Patch3="https://github.com/globus/gsi-openssh/releases/download/${gsissh_version}/hpn_isshd-gsi_ossl.${gsissh_version}.patch"


Patches="${Patch0} ${Patch1} ${Patch2} ${Patch3}"
Sources="${Patches} ${Source0}"

package_output="$(dirname "$0")/packaging/package-output"
gsissh_sourcedir="$(dirname $0)/gsi_openssh/source"
unpacked_file="${gsissh_sourcedir}/gsissh.unpacked" 

if command -v curl > /dev/null 2>&1; then
    download()
    {
        curl -Ls "$1" > "${2}.tmp"
        mv "${2}.tmp" "${2}"
    }
elif command -v wget > /dev/null 2>&1; then
    download()
    {
        wget -q -O "${2}.tmp" "$1"
        mv "${2}.tmp" "${2}"
    }
else
    download()
    {
        echo "Can't download ${1}" 1>&2
        exit 1
    }
fi

(
mkdir -p "${package_output}" "${gsissh_sourcedir}"

for f in ${Sources}; do
    source_path="${package_output}/$(basename "${f}")"

    printf "$(basename "${source_path}")..."
    if [ ! -f "${source_path}" ]; then
        download "${f}" "${source_path}"
        printf "download result $?\n"
    else
        printf "already downloaded\n"
    fi
done

printf "Unpacking and patching...\n"

if [ ! -f "${unpacked_file}" ] || \
   [ x$(cat "${unpacked_file}") != x"${openssh_tarball}" ]; then
    rm -rf "${gsissh_sourcedir}"
    mkdir -p "${gsissh_sourcedir}"
    printf "openssh tarball...\n"
    gzip -dc "${package_output}/${openssh_tarball}" | \
        tar --strip 1 -C "${gsissh_sourcedir}" -xf -
    if [ $? = 0 ]; then
        printf "ok\n"
    else
        printf "not ok\n"
    fi
    for p in ${Patches}; do
        printf "Applying patch $(basename "$p")..."
        patchfile="${package_output}/$(basename "${p}")"
        patch -s -d "${gsissh_sourcedir}" -p1 < "${patchfile}"
        if [ $? = 0 ]; then
            printf "ok\n"
        else
            printf "not ok\n"
        fi
    done
    printf "Creating configure.gnu..."
    cat <<-"EOF" >"${gsissh_sourcedir}/configure.gnu"
	#! /bin/sh
	"${0%.gnu}" "$@" --with-gsi --sysconfdir="\${prefix}/etc/gsissh"
	EOF
    if [ $? = 0 ]; then
        printf "ok\n"
    else
        printf "not ok\n"
    fi
    chmod a+x "${gsissh_sourcedir}/configure.gnu"
    echo "${openssh_tarball}" > "${unpacked_file}"
fi
) 1>&2
echo "m4_define([gsissh_version], [${gsissh_version}])" > gsi_openssh/version.m4.new

if [ ! -f gsi_openssh/version.m4 ] || \
   ! cmp -s gsi_openssh/version.m4 gsi_openssh/version.m4.new; then
   mv gsi_openssh/version.m4.new gsi_openssh/version.m4 
else
   rm -f gsi_openssh/version.m4.new 
fi
cp build-aux/ltmain.sh m4/l*.m4 gsi_openssh/source
(cd gsi_openssh/source; aclocal; autoconf)