Add lando plugin (#8748)

Co-authored-by: Joshua Bedford <joshua.bedford@hurstreview.com>
Co-authored-by: Marc Cornellà <marc.cornella@live.com>

plugins/lando/LICENSE

+MIT License
+
+Copyright (c) 2019 Joshua Bedford
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
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plugins/lando/README.md

+# Lando ZSH (lando-zsh)
+
+This plugin adds aliases for using various languages and frameworks with [Lando](https://docs.lando.dev/basics/) for Docker. It will only run within lando-driven project directories.
+
+To use it, add `lando` to the plugins array in your zshrc file:
+
+```zsh
+plugins=(... lando)
+```
+
+## ALIASES:
+
+| Alias      | Description      |
+|:----------:|:----------------:|
+| `artisan`  | `lando artisan`  |
+| `composer` | `lando composer` |
+| `drush`    | `lando drush`    |
+| `gulp`     | `lando gulp`     |
+| `npm`      | `lando npm`      |
+| `wp`       | `lando wp`       |
+| `yarn`     | `lando yarn`     |
+
+## How It Works:
+
+This plugin removes the requirement to type `lando` before a command. It utilizes the lando version of supported commands run within directories with the following criteria:
+- The `.lando.yml` file is found in the current directory or any parent directory within `$LANDO_ZSH_SITES_DIRECTORY`.
+- The current directory is within `$LANDO_ZSH_SITES_DIRECTORY` but is not `$LANDO_ZSH_SITES_DIRECTORY` itself.
+
+## Settings:
+
+- `LANDO_ZSH_SITES_DIRECTORY`: The plugin will stop searching through parents for `CONFIG_FILE` once it hits this directory.
+- `LANDO_ZSH_CONFIG_FILE`: The plugin will check to see if this provided file exists to check for presence of Lando.
+
+## Author:
+
+- Author: Joshua Bedford
+- URL: [https://github.com/joshuabedford/lando-zsh](https://github.com/joshuabedford/lando-zsh)

plugins/lando/lando.plugin.zsh

+# Settings
+: ${LANDO_ZSH_SITES_DIRECTORY:="$HOME/Sites"}
+: ${LANDO_ZSH_CONFIG_FILE:=.lando.yml}
+
+# Enable multiple commands with lando.
+function artisan \
+         composer \
+         drush \
+         gulp \
+         npm \
+         wp \
+         yarn {
+  if checkForLandoFile; then
+    lando "$0" "$@"
+  else
+    command "$0" "$@"
+  fi
+}
+
+# Check for the file in the current and parent directories.
+checkForLandoFile() {
+  # Only bother checking for lando within the Sites directory.
+  if [[ "$PWD/" != "$LANDO_ZSH_SITES_DIRECTORY"/* ]]; then
+    # Not within $LANDO_ZSH_SITES_DIRECTORY
+    return 1
+  fi
+
+  local curr_dir="$PWD"
+  # Checking for file: $LANDO_ZSH_CONFIG_FILE within $LANDO_ZSH_SITES_DIRECTORY...
+  while [[ "$curr_dir" != "$LANDO_ZSH_SITES_DIRECTORY" ]]; do
+    if [[ -f "$curr_dir/$LANDO_ZSH_CONFIG_FILE" ]]; then
+      return 0
+    fi
+    curr_dir="${curr_dir:h}"
+  done
+
+  # Could not find $LANDO_ZSH_CONFIG_FILE in the current directory
+  # or in any of its parents up to $LANDO_ZSH_SITES_DIRECTORY.
+  return 1
+}
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