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fix: dependency calculation has numerous issues.

Loop were not supported, and many bug crippled the order of the
calculation. Added also some caching to avoid recalculating this each
time.
raw-remaining-args
Valentin Lab 9 years ago
parent
commit
31ec4d20d3
  1. 33
      bin/compose

33
bin/compose

@ -648,25 +648,37 @@ export -f get_service_deps
_rec_get_depth() {
local elt=$1
#debug "Asking for $DARKYELLOW$elt$NORMAL dependencies"
if [ "${depths[$elt]}" ]; then
local elt=$1 dep deps max cache_file="$state_tmpdir/$FUNCNAME.cache.$1"
[ "${depths[$elt]}" ] && return 0
if [ -e "$cache_file" ]; then
# debug "$FUNCNAME: cache hit ($*)"
depths[$elt]=$(cat "$cache_file")
return 0
fi
deps=$(get_service_deps "$elt") || return 1
if [ -z "$deps" ]; then
depths[$elt]=0
fi
visited[$elt]=1
#debug "Setting visited[$elt]"
#debug "Asking for $DARKYELLOW$elt$NORMAL dependencies"
deps=$(get_service_deps "$elt") || {
debug "Failed get_service_deps $elt"
return 1
}
# debug "$elt deps are:" $deps
max=0
for dep in $deps; do
[ "${visited[$dep]}" ] && {
#debug "Already computing $dep"
continue
}
_rec_get_depth "$dep" || return 1
if (( "${depths[$dep]}" > "$max" )); then
#debug "Requesting depth[$dep]"
if (( ${depths[$dep]} > max )); then
max="${depths[$dep]}"
fi
done
# debug "Setting depth[$elt] to $((max + 1))"
depths[$elt]=$((max + 1))
echo "${depths[$elt]}" > $cache_file
}
export -f _rec_get_depth
@ -685,11 +697,10 @@ get_ordered_service_dependencies() {
fi
declare -A depths
visited=()
declare -A visited
heads=("${services[@]}")
while [ "${#heads[@]}" != 0 ]; do
array_pop heads head
visited+=("$head")
_rec_get_depth "$head" || return 1
done

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