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diff --git a/plugins/gcloud/README.md b/plugins/gcloud/README.md
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+# gcloud
+
+This plugin provides completion support for the
+[Google Cloud SDK CLI](https://cloud.google.com/sdk/gcloud/).
+
+To use it, add `gcloud` to the plugins array in your zshrc file.
+
+```zsh
+plugins=(... gcloud)
+```
+
+It relies on you having installed the SDK using one of the supported options
+listed [here](https://cloud.google.com/sdk/install).
+
+## Plugin Options
+
+* Set `CLOUDSDK_HOME` in your `zshrc` file before you load oh-my-zsh if you have
+your GCloud SDK installed in a non-standard location. The plugin will use this
+as the base for your SDK if it finds it set already.
+
+* If you do not have a `python2` in your `PATH` you'll also need to set the
+`CLOUDSDK_PYTHON` environment variable at the end of your `.zshrc`. This is
+used by the SDK to call a compatible interpreter when you run one of the
+SDK commands.
diff --git a/plugins/gcloud/gcloud.plugin.zsh b/plugins/gcloud/gcloud.plugin.zsh
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+#####################################################
+# gcloud plugin for oh-my-zsh                       #
+# Author: Ian Chesal (github.com/ianchesal)         #
+#####################################################
+
+if [[ -z "${CLOUDSDK_HOME}" ]]; then
+  search_locations=(
+    "$HOME/google-cloud-sdk"
+    "/usr/local/Caskroom/google-cloud-sdk/latest/google-cloud-sdk"
+    "/usr/share/google-cloud-sdk"
+    "/snap/google-cloud-sdk/current"
+    "/usr/lib64/google-cloud-sdk/"
+    "/opt/google-cloud-sdk"
+  )
+
+  for gcloud_sdk_location in $search_locations; do
+    if [[ -d "${gcloud_sdk_location}" ]]; then
+      CLOUDSDK_HOME="${gcloud_sdk_location}"
+      break
+    fi
+  done
+fi
+
+if (( ${+CLOUDSDK_HOME} )); then
+  if (( ! $+commands[gcloud] )); then
+    # Only source this if GCloud isn't already on the path
+    if [[ -f "${CLOUDSDK_HOME}/path.zsh.inc" ]]; then
+      source "${CLOUDSDK_HOME}/path.zsh.inc"
+    fi
+  fi
+  source "${CLOUDSDK_HOME}/completion.zsh.inc"
+  export CLOUDSDK_HOME
+fi