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-rwxr-xr-xnixpkgs/pkgs/applications/editors/emacs-modes/update-from-overlay15
1 files changed, 15 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/editors/emacs-modes/update-from-overlay b/nixpkgs/pkgs/applications/editors/emacs-modes/update-from-overlay
new file mode 100755
index 000000000000..26d2482e7ae6
--- /dev/null
+++ b/nixpkgs/pkgs/applications/editors/emacs-modes/update-from-overlay
@@ -0,0 +1,15 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p curl nix
+set -euxo pipefail
+
+# This script piggybacks on the automatic code generation done by the nix-community emacs overlay
+# You can use this to avoid running lengthy code generation jobs locally
+
+curl -s -O https://raw.githubusercontent.com/nix-community/emacs-overlay/master/repos/elpa/elpa-generated.nix
+nix-instantiate ../../../.. -A emacsPackagesNg.elpaPackages --show-trace
+git diff --exit-code elpa-generated.nix > /dev/null || git commit -m "elpa-packages: $(date --iso)" -- elpa-generated.nix
+
+curl -s -O https://raw.githubusercontent.com/nix-community/emacs-overlay/master/repos/melpa/recipes-archive-melpa.json
+env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate --show-trace ../../../../ -A emacsPackages.melpaStablePackages
+env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate --show-trace ../../../../ -A emacsPackages.melpaPackages
+git diff --exit-code recipes-archive-melpa.json > /dev/null || git commit -m "melpa-packages: $(date --iso)" -- recipes-archive-melpa.json