diff options
| -rw-r--r-- | pkgs/persistent-nix-shell/default.nix | 13 | ||||
| -rw-r--r-- | pkgs/persistent-nix-shell/persistent-nix-shell.sh | 27 |
2 files changed, 28 insertions, 12 deletions
diff --git a/pkgs/persistent-nix-shell/default.nix b/pkgs/persistent-nix-shell/default.nix index 8a74eb4..5e53ee6 100644 --- a/pkgs/persistent-nix-shell/default.nix +++ b/pkgs/persistent-nix-shell/default.nix @@ -5,16 +5,5 @@ pkgs.writeTextFile { executable = true; destination = "/bin/persistent-nix-shell"; - text = '' - #!/bin/sh -eu - - mkdir -p .gcroots - - nix-instantiate shell.nix --indirect --add-root $PWD/.gcroots/shell.drv > /dev/null - nix-store -r $(nix-store --query --references $PWD/.gcroots/shell.drv) --indirect --add-root $PWD/.gcroots/shell.dep > /dev/null - - # Fix to prevent implicit interactiveBash dependency - export NIX_BUILD_SHELL=/run/current-system/sw/bin/bash - exec nix-shell $(readlink $PWD/.gcroots/shell.drv) "$@" - ''; + text = builtins.readFile ./persistent-nix-shell.sh; } diff --git a/pkgs/persistent-nix-shell/persistent-nix-shell.sh b/pkgs/persistent-nix-shell/persistent-nix-shell.sh new file mode 100644 index 0000000..b9ecfbc --- /dev/null +++ b/pkgs/persistent-nix-shell/persistent-nix-shell.sh @@ -0,0 +1,27 @@ +#!/bin/sh -eu + +mkdir -p .gcroots + +inherit_shell='' +update='' + +while getopts 'su' flag; do + case "${flag}" in + s) inherit_shell='true' ;; + u) update='true' ;; + esac +done + +if [[ ! -f "$PWD/.gcroots/shell.drv" || $update ]]; then + nix-instantiate shell.nix --indirect --add-root $PWD/.gcroots/shell.drv > /dev/null + nix-store -r $(nix-store --query --references $PWD/.gcroots/shell.drv) --indirect --add-root $PWD/.gcroots/shell.dep > /dev/null +fi + +# Fix to prevent implicit interactiveBash dependency +export NIX_BUILD_SHELL=/run/current-system/sw/bin/bash + +if [ $inherit_shell ]; then + exec nix-shell $(readlink $PWD/.gcroots/shell.drv) --command $SHELL +else + exec nix-shell $(readlink $PWD/.gcroots/shell.drv) +fi |