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#!/bin/sh
GNOME_FTP="ftp.gnome.org/pub/GNOME/sources"
project=$1
if [ "$project" == "--help" ]; then
echo "Usage: $0 project [major.minor]"
exit 0
fi
baseVersion=$2
if [ -z "$project" ]; then
echo "No project specified, exiting"
exit 1
fi
# curl -l ftp://... doesn't work from my office in HSE, and I don't want to have
# any conversations with sysadmin. Somehow lftp works.
if [ "$FTP_CLIENT" = "lftp" ]; then
ls_ftp() {
lftp -c "open $1; cls"
}
else
ls_ftp() {
curl -l "$1"/
}
fi
if [ -z "$baseVersion" ]; then
echo "Looking for available versions..." >&2
available_baseversions=( `ls_ftp ftp://${GNOME_FTP}/${project} | grep '[0-9]\.[0-9]' | sort -t. -k1,1n -k 2,2n` )
echo -e "The following versions are available:\n ${available_baseversions[@]}" >&2
echo -en "Choose one of them: " >&2
read baseVersion
fi
FTPDIR="${GNOME_FTP}/${project}/${baseVersion}"
#version=`curl -l ${FTPDIR}/ 2>/dev/null | grep LATEST-IS | sed -e s/LATEST-IS-//`
# gnome's LATEST-IS is broken. Do not trust it.
files=$(ls_ftp "${FTPDIR}")
declare -A versions
for f in $files; do
case $f in
(LATEST-IS-*|*.news|*.changes|*.sha256sum|*.diff*):
;;
($project-*.*.9*.tar.*):
tmp=${f#$project-}
tmp=${tmp%.tar*}
echo "Ignored unstable version ${tmp}" >&2
;;
($project-*.tar.*):
tmp=${f#$project-}
tmp=${tmp%.tar*}
versions[${tmp}]=1
;;
(*):
echo "UNKNOWN FILE $f"
;;
esac
done
echo "Found versions ${!versions[@]}" >&2
version=`echo ${!versions[@]} | sed -e 's/ /\n/g' | sort -t. -k1,1n -k 2,2n -k 3,3n | tail -n1`
echo "Latest version is: ${version}" >&2
name=${project}-${version}
echo "Fetching .sha256 file" >&2
curl -O http://${FTPDIR}/${name}.sha256sum
extensions=( "xz" "bz2" "gz" )
echo "Choosing archive extension (known are ${extensions[@]})..." >&2
for ext in ${extensions[@]}; do
if grep "\\.tar\\.${ext}$" ${name}.sha256sum >& /dev/null; then
ext_pref=$ext
sha256=$(grep "\\.tar\\.${ext}$" ${name}.sha256sum | cut -f1 -d\ )
break
fi
done
sha256=`nix-hash --to-base32 --type sha256 $sha256`
echo "Chosen ${ext_pref}, hash is ${sha256}" >&2
cat <<EOF
name = "${project}-${version}";
src = fetchurl {
url = mirror://gnome/sources/${project}/${baseVersion}/${project}-${version}.tar.${ext_pref};
sha256 = "${sha256}";
};
EOF
rm -v ${name}.sha256sum >&2
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