persistent-nix-shell

1 files changed, 20 insertions, 0 deletions

diff --git a/persistent-nix-shell b/persistent-nix-shell
new file mode 100755
index 0000000..a17f6de
--- /dev/null
+++ b/persistent-nix-shell
@@ -0,0 +1,20 @@
+#!@zsh@/bin/zsh
+
+set -e
+
+gcrootsDir=${PWD}/.nix-gc-roots
+
+if [[ ${#@} -ge 1 ]]; then
+  shellFile=${1}
+  shift
+else
+  shellFile=${PWD}/shell.nix
+fi
+
+set -x
+mkdir -p ${gcrootsDir}
+nix-instantiate ${shellFile} --indirect --add-root ${gcrootsDir}/shell.drv
+nix-store --indirect --add-root ${gcrootsDir}/shell.dep --realise $(nix-store --query --references ${gcrootsDir}/shell.drv)
+set +x
+
+exec nix-shell $(readlink ${gcrootsDir}/shell.drv) ${@}