nixpkgs/pkgs/build-support/emacs/setup-hook.sh
Herwig Hochleitner 42eeca722c emacs package setup hook: Fix Fix
A trailing separator in emacs load paths has semantics

cc @Ericson2314 @adisbladis https://github.com/NixOS/nixpkgs/pull/73287

This partially reverts commit ca782498a9532c48d8e12ce402813486ab90e7f0
2019-11-23 19:49:56 +01:00

14 lines
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addEmacsVars () {
if test -d $1/share/emacs/site-lisp; then
# it turns out, that the trailing : is actually required
# see https://www.gnu.org/software/emacs/manual/html_node/elisp/Library-Search.html
export EMACSLOADPATH="$1/share/emacs/site-lisp:${EMACSLOADPATH-}"
fi
}
# If this is for a wrapper derivation, emacs and the dependencies are all
# run-time dependencies. If this is for precompiling packages into bytecode,
# emacs is a compile-time dependency of the package.
addEnvHooks "$hostOffset" addEmacsVars
addEnvHooks "$targetOffset" addEmacsVars