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update-mirrors/update-mirrors
Tom Willemse e882f79e73 Replace ‘-L’ with ‘--location’
This produces no difference functionally since ‘--location’ and ‘-L’ are
aliases, but generally I prefer using long argument names in scripts because
they make it clearer what is going on.
2022-06-18 21:01:20 -07:00

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#!/bin/bash
# Functions
function fold() { /usr/bin/fold --spaces --width="$(tput cols)"; }
function _urlify-1() {
local items=($@)
for item in "${items[@]:1}"; do
echo "$1=${item}"
done
}
function urlify() {
local uitems=($(_urlify-1 "$@"))
local IFS="&"
echo "${uitems[*]}"
}
function make-url() {
local countryparams
local protocolparams
local ipparams
local statusparams
countryparams=$(urlify country "${countries[@]}")
protocolparams=$(urlify protocol "${protocols[@]}")
ipparams=$(urlify ip_version "${ip_versions[@]}")
statusparams=$(urlify use_mirror_status "$use_mirror_status")
echo "${url}/?${countryparams}&${protocolparams}&${ipparams}&${statusparams}"
}
function load-global-config() {
local IFS=":"
for dir in $1; do
local cfgfile="${dir}${2}"
if [[ -x $cfgfile ]]; then
source "$cfgfile"
return
fi
done
}
# Load config file
etcbases=${XDG_CONFIG_DIRS:-"/etc/xdg"}
cfgbase=${XDG_CONFIG_HOME:-"${HOME}/.config"}
cfgfile="/update-mirrors/config.sh"
if [[ -x "${cfgbase}${cfgfile}" ]]; then
source "${cfgbase}${cfgfile}"
else
load-global-config "$etcbases" $cfgfile
fi
# Check destination
if [[ ! -e $dest ]] && [[ ! -w "$(dirname "$dest")" ]]; then
echo "Need write permission for $(dirname "$dest") to create \
${dest}. Perhaps you should use sudo." | fold >&2
exit 1
elif [[ -e $dest ]] && [[ ! -w $dest ]]; then
echo "Need write permission for ${dest}, perhaps you should use \
sudo." | fold >&2
exit 1
fi
# Download, ready, output
mirrorlist=$(curl --no-progress-meter --location "$(make-url)")
if [[ $? -eq 0 ]]; then
echo "$mirrorlist" | sed 's/^#\([^#].*\)/\1/' > "$dest"
echo "Saved in ${dest}"
else
echo "Couldn't load mirrorlist, not updating."
fi
if [[ -f "${dest}.pacnew" ]]; then
rm "${dest}.pacnew"
echo "Removed ${dest}.pacnew"
fi