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emacsWithPackages: reduce some duplication

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This commit is contained in:
Samuel Rivas 2016-04-03 21:21:50 +02:00
parent 2b199537b7
commit f1b0d6410e
1 changed files with 11 additions and 9 deletions
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20
pkgs/build-support/emacs/wrapper.nix
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@ -51,9 +51,11 @@ stdenv.mkDerivation {
inherit emacs explicitRequires;
phases = [ "installPhase" ];
installPhase = ''
mkdir -p $out/bin
mkdir -p $out/share/emacs-with-packages/bin
mkdir -p $out/share/emacs-with-packages/site-lisp
readonly SHARE="share/emacs-with-packages"
mkdir -p "$out/bin"
mkdir -p "$out/$SHARE/bin"
mkdir -p "$out/$SHARE/site-lisp"
local requires
for pkg in $explicitRequires; do
@ -61,15 +63,15 @@ stdenv.mkDerivation {
done
# requires now holds all requested packages and their transitive dependencies
siteStart="$out/share/emacs-with-packages/site-lisp/site-start.el"
siteStart="$out/$SHARE/site-lisp/site-start.el"
# Begin the new site-start.el by loading the original, which sets some
# NixOS-specific paths. Paths are searched in the reverse of the order
# they are specified in, so user and system profile paths are searched last.
cat >"$siteStart" <<EOF
(load-file "$emacs/share/emacs/site-lisp/site-start.el")
(add-to-list 'load-path "$out/share/emacs-with-packages/site-lisp")
(add-to-list 'exec-path "$out/share/emacs-with-packages/bin")
(add-to-list 'load-path "$out/$SHARE/site-lisp")
(add-to-list 'exec-path "$out/$SHARE/bin")
EOF
linkPath() {
@ -85,8 +87,8 @@ EOF
# Add a package's paths to site-start.el
linkEmacsPackage() {
linkPath "$1" "bin" "share/emacs-with-packages/bin"
linkPath "$1" "share/emacs/site-lisp" "share/emacs-with-packages/site-lisp"
linkPath "$1" "bin" "$SHARE/bin"
linkPath "$1" "share/emacs/site-lisp" "$SHARE/site-lisp"
}
# First, link all the explicitly-required packages.
@ -107,7 +109,7 @@ EOF
local progname=$(basename "$prog")
rm -f "$out/bin/$progname"
makeWrapper "$prog" "$out/bin/$progname" \
--suffix EMACSLOADPATH ":" "$out/share/emacs-with-packages/site-lisp:"
--suffix EMACSLOADPATH ":" "$out/$SHARE/site-lisp:"
done
mkdir -p $out/share