[fix] Update nushell files

config/nushell/conf.d/conda.nu

@@ -0,0 +1,89 @@
+export-env {
+  $env.CONDA_BASE_PATH = (if ((sys).host.name == "Windows") {$env.Path} else {$env.PATH})
+
+  let info = (
+      if not (which mamba | is-empty) {
+        (mamba info --envs --json | from json)
+      } else if not (which conda | is-empty) {
+        (conda info --envs --json | from json)
+      } else {
+        ('{"root_prefix": "", "envs": ""}' | from json)
+      })
+
+  $env.CONDA_ROOT = $info.root_prefix
+
+  $env.CONDA_ENVS = ($info.envs | reduce -f {} {|it, acc|
+      if $it == $info.root_prefix {
+        $acc | upsert "base" $it
+      } else {
+        $acc | upsert ($it | path basename) $it
+      }})
+
+  $env.CONDA_CURR = null
+}
+
+export def-env activate [name: string] {
+  if ($env.CONDA_ROOT | is-empty) {
+    print "Neither Conda nor Mamba is valid."
+    return
+  }
+
+  if not ($name in $env.CONDA_ENVS) {
+    print $"Environment ($name) is invalid. Available:"
+    print $env.CONDA_ENVS
+    return
+  }
+
+  let new_path = (
+    if ((sys).host.name == "Windows") {
+      update-path-windows ($env.CONDA_ENVS | get $name)
+    } else {
+      update-path-linux ($env.CONDA_ENVS | get $name)
+    })
+
+  load-env ({CONDA_CURR: $name} | merge $new_path)
+}
+
+export def-env deactivate [] {
+  if ($env.CONDA_ROOT | is-empty) {
+    print "Neither Conda nor Mamba is valid."
+    return
+  }
+
+  $env.CONDA_CURR = null
+
+  load-env {Path: $env.CONDA_BASE_PATH, PATH: $env.CONDA_BASE_PATH}
+}
+
+export def-env list [] {
+  $env.CONDA_ENVS | 
+    flatten | 
+    transpose | 
+    rename name path | 
+    insert active { |it| $it.name == $env.CONDA_CURR } | 
+    move path --after active
+}
+
+def update-path-linux [env_path: path] {
+  let env_path = [
+    $env_path,
+    ([$env_path, "bin"] | path join)
+  ]
+
+  return {
+    Path: ($env.PATH | prepend $env_path),
+    PATH: ($env.PATH | prepend $env_path)
+  }
+}
+
+def update-path-windows [env_path: path] {
+  let env_path = [
+    $env_path,
+    ([$env_path, "Scripts"] | path join),
+  ]
+
+  return {
+    Path: ($env.Path | prepend $env_path),
+    PATH: ($env.Path | prepend $env_path)
+  }
+}