meta: fit build-all into a 80x48 screen and fix a couple edge cases

build-all

@@ -1,39 +1,25 @@
 #!/usr/bin/env sh
 
-yes_retrieve()
-{ : \
- && local image="$1" ok=1 out= g= \
- && shift \
- && [ -d out ] \
- && out="$(realpath out)" \
+yes_retrieve() { : \
+ && local ok=1 out= g= image="${1?missing argument}" && shift \
+ && [ -d out ] && out="$(realpath out)" \
  && for f in "$@" \
-    ;do : \
-     && g="out/${f##*/}" \
-     && { ! [ -e "$g" ] || mv "$g" "$g~" ;} \
+    ;do g="out/${f##*/}" && { ! [ -e "$g" ] || mv "$g" "$g~" ;} || return \
     ;done \
  && podman run -v="$out":/out --rm --entrypoint /bin/busybox "$image" \
     cp -- "$@" "/out/" \
  && for f in "$@" \
-    ;do : \
-     && g="out/${f##*/}" \
-     &&  if [ -e "$g" ] \
-        ;then : \
-         && { ! [ -e "$g~" ] || rm "$g~" ;} \
-        ;else : \
-         && printf '%s: %s\n' yes_retrieve "failed to copy file $f to $g" \
-         && ok=0 \
-        ;fi \
-    ;done \
+    ;do  if g="out/${f##*/}" && [ -e "$g" ] \
+        ;then ! [ -e "$g~" ] || rm "$g~" || return \
+        ;else printf 'yes_retrieve: %s\n' "failed to copy file $f to $g"; ok=0 \
+    ;fi ;done \
  && [ $ok = 1 ] \
  ;}
 
 dbg_retrieve() { yes_retrieve "$1" "$2" && yes_retrieve "$1" "$2.dbg" ;}
 
 : \
- && me="$(readlink -f "$0")" \
- && cd "${me%/*}" \
-\
- && { [ -d out ] || mkdir out ;} \
+ && me="$(readlink -f "$0")" && cd "${me%/*}" && { [ -d out ] || mkdir out ;} \
 \
  && podman build -t notwa-util notwa-util \
  && podman build -t cosmo cosmo \