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__remote_refcache_update() {
local remote=$1 cachefile=$ASPCACHE/remote-$remote refs
refs=$(git ls-remote "$remote" 'refs/heads/packages/*') ||
log_fatal "failed to update remote $remote"
printf '%s' "$refs" |
awk '{ sub(/refs\/heads\/packages\//, "", $2); print $2 }' >"$cachefile"
}
__remote_refcache_is_stale() {
local now cachetime cachefile=$1 ttl=3600
printf -v now '%(%s)T' -1
# The cache is stale if we've exceeded the TTL.
if ! cachetime=$(stat -c %Y "$cachefile" 2>/dev/null) ||
(( now > (cachetime + ttl) )); then
return 0
fi
# We also consider the cache to be stale when this script is newer than the
# cache. This allows upgrades to asp to implicitly wipe the cache and not
# make any guarantees about the file format.
if (( $(stat -c %Y "${BASH_SOURCE[0]}" 2>/dev/null) > cachetime )); then
return 0
fi
return 1
}
__remote_refcache_get() {
local remote=$1 cachefile=$ASPCACHE/remote-$remote
if __remote_refcache_is_stale "$cachefile"; 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 "$pkgname" "${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 "$2" < \
<(git for-each-ref --format='%(refname:strip=3)' "refs/remotes/$remote")
}
remote_update_refs() {
local remote=$1 refspecs=("${@:2}")
quiet_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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