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__remote_refcache_update() {
local remote=$1 cachefile=$ASPCACHE/remote-$remote
trap "rm -f '$cachefile~'" RETURN
git ls-remote "$remote" 'refs/heads/packages/*' |
awk '{ sub(/refs\/heads\//, "", $2); print $2 }' >"$cachefile~" &&
mv "$cachefile"{~,}
}
__remote_refcache_get() {
local remote=$1 ttl=3600 now cachetime cachefile=$ASPCACHE/remote-$remote
printf -v now '%(%s)T' -1
if ! cachetime=$(stat -c %Y "$cachefile" 2>/dev/null) ||
(( now > (cachetime + ttl) )); then
__remote_refcache_update "$remote"
fi
mapfile -t "$2" <"$cachefile"
}
remote_get_all_refs() {
local remote=$1
__remote_refcache_get "$remote" "$2"
}
remote_has_package() {
local remote=$1 pkgname=$2 refs
remote_get_all_refs "$remote" refs
in_array "packages/$pkgname" "${refs[@]}"
}
remote_is_tracking() {
local repo=$1 pkgname=$2
git show-ref -q "$repo/packages/$pkgname"
}
remote_get_tracked_refs() {
local remote=$1
mapfile -t "$2" < <(git for-each-ref --format='%(refname)' "refs/remotes/$1" |
awk -F'/' -v "remote=$1" '{ print "packages/" $NF }')
}
remote_update_refs() {
local remote=$1 refspecs=("${@:2}")
git fetch "$remote" "${refspecs[@]}"
}
remote_update() {
local remote=$1 refspecs
remote_get_tracked_refs "$remote" refspecs
# refuse to update everything
[[ -z $refspecs ]] && return 0
remote_update_refs "$remote" "${refspecs[@]}"
}
remote_untrack() {
local remote=$1 pkgname=$2
if git show-ref -q "refs/remotes/$remote/packages/$pkgname"; then
git branch -dr "$remote/packages/$pkgname"
fi
}
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