nushell: add nushell configuration

1 files changed, 57 insertions, 0 deletions

diff --git a/nushell/autoload/mise.nu b/nushell/autoload/mise.nu
new file mode 100644
index 0000000..15c7780
--- /dev/null
+++ b/nushell/autoload/mise.nu
@@ -0,0 +1,57 @@
+def "parse vars" [] {
+  $in | from csv --noheaders --no-infer | rename 'op' 'name' 'value'
+}
+
+def --env "update-env" [] {
+  for $var in $in {
+    if $var.op == "set" {
+      if ($var.name | str uppercase) == 'PATH' {
+        $env.PATH = ($var.value | split row (char esep))
+      } else {
+        load-env {($var.name): $var.value}
+      }
+    } else if $var.op == "hide" and $var.name in $env {
+      hide-env $var.name
+    }
+  }
+}
+export-env {
+  
+  '' | parse vars | update-env
+  $env.MISE_SHELL = "nu"
+  let mise_hook = {
+    condition: { "MISE_SHELL" in $env }
+    code: { mise_hook }
+  }
+  add-hook hooks.pre_prompt $mise_hook
+  add-hook hooks.env_change.PWD $mise_hook
+}
+
+def --env add-hook [field: cell-path new_hook: any] {
+  let field = $field | split cell-path | update optional true | into cell-path
+  let old_config = $env.config? | default {}
+  let old_hooks = $old_config | get $field | default []
+  $env.config = ($old_config | upsert $field ($old_hooks ++ [$new_hook]))
+}
+
+export def --env --wrapped main [command?: string, --help, ...rest: string] {
+  let commands = ["deactivate", "shell", "sh"]
+
+  if ($command == null) {
+    ^"/Users/eltrac/.local/bin/mise"
+  } else if ($command == "activate") {
+    $env.MISE_SHELL = "nu"
+  } else if ($command in $commands) {
+    ^"/Users/eltrac/.local/bin/mise" $command ...$rest
+    | parse vars
+    | update-env
+  } else {
+    ^"/Users/eltrac/.local/bin/mise" $command ...$rest
+  }
+}
+
+def --env mise_hook [] {
+  ^"/Users/eltrac/.local/bin/mise" hook-env -s nu
+    | parse vars
+    | update-env
+}