Fiddle with Emacs build script

Fewer globals ⇒ better feng shui.

1 files changed, 12 insertions, 6 deletions

diff --git a/.local/bin/emacs-build b/.local/bin/emacs-build
index 5de3109..5ec38e1 100755
--- a/.local/bin/emacs-build
+++ b/.local/bin/emacs-build
@@ -26,17 +26,23 @@ is-rolling-distro ()
     )
 }
 
-if ! is-rolling-distro
-then
-    cachedir=${XDG_CACHE_HOME:-~/.cache}/emacs
+cache-file ()
+{
+    local -r cachedir=${XDG_CACHE_HOME:-~/.cache}/emacs
     test -d "${cachedir}" || mkdir -p "${cachedir}"
 
-    builddesc=${PWD}
+    local builddesc=${PWD}
     builddesc=${builddesc#~}
     builddesc=${builddesc//\//,}
-    cachefile=${cachedir}/config${builddesc}
+    echo ${cachedir}/config${builddesc}
+}
 
-    configure_flags=(--cache-file="${cachefile}" "${configure_flags[@]}")
+if ! is-rolling-distro
+then
+    configure_flags=(
+        --cache-file="$(cache-file)"
+        "${configure_flags[@]}"
+    )
 fi
 
 if ! test -f "${src}"/Makefile