feat(bazel): add bzlmod integrity gen function (#12797)

Co-authored-by: Carlo Sala <carlosalag@protonmail.com>

plugins/bazel/README.md

@@ -1,6 +1,7 @@
 # Bazel plugin
 
-This plugin adds completion and aliases for [bazel](https://bazel.build), an open-source build and test tool that scalably supports multi-language and multi-platform projects.
+This plugin adds completion and aliases for [bazel](https://bazel.build), an open-source build and test tool
+that scalably supports multi-language and multi-platform projects.
 
 To use it, add `bazel` to the plugins array in your zshrc file:
 
@@ -15,8 +16,14 @@ The plugin has a copy of [the completion script from the git repository][1].
 ## Aliases
 
 | Alias | Command       | Description               |
-| ------- | -------------------------------------- | ------------------------------------------------------ |
+| ----- | ------------- | ------------------------- |
 | bzb   | `bazel build` | The `bazel build` command |
 | bzt   | `bazel test`  | The `bazel test` command  |
 | bzr   | `bazel run`   | The `bazel run` command   |
 | bzq   | `bazel query` | The `bazel query` command |
+
+## Functions
+
+| Function | Description                      |
+| -------- | -------------------------------- |
+| sri-hash | Generate SRI hash used by bzlmod |

plugins/bazel/bazel.plugin.zsh

@@ -3,3 +3,7 @@ alias bzb='bazel build'
 alias bzt='bazel test'
 alias bzr='bazel run'
 alias bzq='bazel query'
+
+sri-hash() {
+    openssl dgst -sha256 -binary $1 | openssl base64 -A | sed 's/^/sha256-/'
+}