diff --git a/build-all b/build-all
index 68ff800..e6e273d 100755
--- a/build-all
+++ b/build-all
@@ -16,31 +16,30 @@ yes_retrieve() { : \
  && [ $ok = 1 ] \
  ;}
 
-dbg_retrieve() { yes_retrieve "$1" "$2" && yes_retrieve "$1" "$2.dbg" ;}
+dbg_retrieve() { : \
+ && local o=0 container="${1?missing argument}" && shift \
+ && for f in "$@" \
+    ;do [ $o = 0 ] && o=1 && set -- "$f" "$f.dbg" || set -- "$f" "$f.dbg" "$@" \
+    ;done \
+ && yes_retrieve "$container" "$@" \
+ ;}
 
 : \
  && me="$(readlink -f "$0")" && cd "${me%/*}" && { [ -d out ] || mkdir out ;} \
 \
- && podman build -t notwa-util notwa-util \
- && podman build -t cosmo cosmo \
- && podman build -t cosmo-kuroko cosmo-kuroko \
- && podman build -t cosmo-muon cosmo-muon \
- && podman build -t cosmo-perl cosmo-perl \
- && podman build -t cosmo-yices cosmo-yices \
+ && podman build -t notwa-util      notwa-util \
+ && podman build -t cosmo           cosmo \
+ && podman build -t cosmo-kuroko    cosmo-kuroko \
+ && podman build -t cosmo-muon      cosmo-muon \
+ && podman build -t cosmo-perl      cosmo-perl \
+ && podman build -t cosmo-yices     cosmo-yices \
 \
- && yes_retrieve cosmo /cosmopolitan/bin/ape \
- && yes_retrieve cosmo /cosmopolitan/bin/awk.com \
- && yes_retrieve cosmo /cosmopolitan/bin/gzip.com \
- && yes_retrieve cosmo /cosmopolitan/bin/make.com \
- && yes_retrieve cosmo /cosmopolitan/bin/sed.com \
- && yes_retrieve cosmo /cosmopolitan/bin/unzip.com \
- && yes_retrieve cosmo /cosmopolitan/bin/zip.com \
+ && bin=/cosmopolitan/bin \
+ && yes_retrieve cosmo $bin/ape $bin/awk.com $bin/gzip.com \
+    $bin/make.com $bin/sed.com $bin/unzip.com $bin/zip.com \
  && dbg_retrieve cosmo-kuroko /bin/kuroko.com \
  && dbg_retrieve cosmo-muon /bin/muon.com \
  && dbg_retrieve cosmo-perl /bin/perl.com \
- && dbg_retrieve cosmo-yices /bin/kissat.com \
- && dbg_retrieve cosmo-yices /bin/yices-sat.com \
- && dbg_retrieve cosmo-yices /bin/yices-smt.com \
- && dbg_retrieve cosmo-yices /bin/yices-smt2.com \
- && dbg_retrieve cosmo-yices /bin/yices.com \
+ && dbg_retrieve cosmo-yices /bin/kissat.com /bin/yices-sat.com \
+    /bin/yices-smt.com /bin/yices-smt2.com /bin/yices.com \
 ;