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Merge pull request #14429 from samuelrivas/avoid-conflicts-in-emacs-withpackages

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Avoid conflicts in emacs withpackages
This commit is contained in:
Thomas Tuegel 2016-04-04 07:39:35 -05:00
commit c74cbb824b
1 changed files with 16 additions and 10 deletions
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26
pkgs/build-support/emacs/wrapper.nix
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@ -51,8 +51,11 @@ stdenv.mkDerivation {
inherit emacs explicitRequires;
phases = [ "installPhase" ];
installPhase = ''
mkdir -p $out/bin
mkdir -p $out/share/emacs/site-lisp
readonly SHARE="share/emacs-with-packages"
mkdir -p "$out/bin"
mkdir -p "$out/$SHARE/bin"
mkdir -p "$out/$SHARE/site-lisp"
local requires
for pkg in $explicitRequires; do
@ -60,29 +63,32 @@ stdenv.mkDerivation {
done
# requires now holds all requested packages and their transitive dependencies
siteStart="$out/share/emacs/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 "$out/share/emacs/site-lisp")
(add-to-list 'load-path "$out/$SHARE/site-lisp")
(add-to-list 'exec-path "$out/$SHARE/bin")
EOF
linkPath() {
local pkg=$1
local path=$2
local origin_path=$2
local dest_path=$3
# Add the path to the search path list, but only if it exists
if [[ -d "$pkg/$path" ]]; then
lndir -silent "$pkg/$path" "$out/$path"
if [[ -d "$pkg/$origin_path" ]]; then
lndir -silent "$pkg/$origin_path" "$out/$dest_path"
fi
}
# Add a package's paths to site-start.el
linkEmacsPackage() {
linkPath "$1" "bin"
linkPath "$1" "share/emacs/site-lisp"
linkPath "$1" "bin" "$SHARE/bin"
linkPath "$1" "share/emacs/site-lisp" "$SHARE/site-lisp"
}
# First, link all the explicitly-required packages.
@ -103,7 +109,7 @@ EOF
local progname=$(basename "$prog")
rm -f "$out/bin/$progname"
makeWrapper "$prog" "$out/bin/$progname" \
--suffix EMACSLOADPATH ":" "$out/share/emacs/site-lisp:"
--suffix EMACSLOADPATH ":" "$out/$SHARE/site-lisp:"
done
mkdir -p $out/share