nixpkgs/maintainers/scripts/gnome.sh

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#!/usr/bin/env bash
set -o pipefail
GNOME_FTP="ftp.gnome.org/pub/GNOME/sources"
usage() {
echo "Usage: $0 show|update project [major.minor]" >&2
exit 0
}
if [ "$#" -lt 1 ]; then
usage
fi
action="$1"
project="$2"
majorVersion="$3"
if [ "$action" != "show" ] && [ "$action" != "update" ]; then
echo "Unknown action $action" >&2
usage
fi
if [ -z "$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 -s -l "$1"/
}
fi
if [ -z "$majorVersion" ]; 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` )
if [ "$?" -ne "0" ]; then
echo "Project $project not found" >&2
exit 1
fi
echo -e "The following versions are available:\n ${available_baseversions[@]}" >&2
echo -en "Choose one of them: " >&2
read majorVersion
fi
if echo "$majorVersion" | grep -q "[0-9]\+\.[0-9]\+\.[0-9]\+"; then
# not a major version
version="$majorVersion"
majorVersion=$(echo "$majorVersion" | cut -d '.' -f 1,2)
fi
FTPDIR="${GNOME_FTP}/${project}/${majorVersion}"
#version=`curl -l ${FTPDIR}/ 2>/dev/null | grep LATEST-IS | sed -e s/LATEST-IS-//`
# gnome's LATEST-IS is broken. Do not trust it.
if [ -z "$version" ]; then
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: ${version}" >&2
fi
name=${project}-${version}
echo "Fetching .sha256 file" >&2
sha256out=$(curl -s -f http://${FTPDIR}/${name}.sha256sum)
if [ "$?" -ne "0" ]; then
echo "Version not found" >&2
exit 1
fi
extensions=( "xz" "bz2" "gz" )
echo "Choosing archive extension (known are ${extensions[@]})..." >&2
for ext in ${extensions[@]}; do
if echo -e "$sha256out" | grep -q "\\.tar\\.${ext}$"; then
ext_pref=$ext
sha256=$(echo -e "$sha256out" | grep "\\.tar\\.${ext}$" | cut -f1 -d\ )
break
fi
done
echo "Chosen ${ext_pref}, hash is ${sha256}" >&2
src="# Autogenerated by maintainers/scripts/gnome-latest.sh
fetchurl: {
name = \"${project}-${version}\";
src = fetchurl {
url = mirror://gnome/sources/${project}/${majorVersion}/${project}-${version}.tar.${ext_pref};
sha256 = \"${sha256}\";
};
}"
if [ "$action" == "update" ]; then
# find project in nixpkgs tree
GNOME_TOP=$(readlink -e $(dirname "${BASH_SOURCE[0]}")"/../../pkgs/desktops/gnome-3/")
projectPath=$(find "$GNOME_TOP" -name "$project" -print)
if [ -z "$projectPath" ]; then
echo "Project $project not found under $GNOME_TOP"
exit 1
fi
echo "Updating $projectPath/src.nix"
echo -e "$src" > "$projectPath/src.nix"
else
echo -e "\n$src"
fi