refactor: switch --platform to use list-like format

railwayapp · Jul 29, 2023 · 0c88000 · 0c88000
1 parent 72ba1d0
commit 0c88000
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diff --git a/docs/pages/docs/cli.md b/docs/pages/docs/cli.md
@@ -24,25 +24,25 @@ nixpacks build --help
 
 ### Options
 
-|                                                |                                                                             |
-| :--------------------------------------------- | :-------------------------------------------------------------------------- |
-| `--install-cmd <cmd>`, `-i`                    | Specify the install command                                                 |
-| `--build-cmd <cmd>`, `-b`                      | Specify the build command                                                   |
-| `--start-cmd <cmd>`, `-s`                      | Specify the start command                                                   |
-| `--name <name>`                                | Name for the built image                                                    |
-| `--env <env> [--env <env>...]`                 | Provide environment variables to your build.                                |
-| `--pkgs <pkg> [--pkgs <pkg>...]`, `-p`         | Provide additional Nix packages to install in the environment               |
-| `--apt <pkgs> [--apt <pkgs>...]`               | Provide additional apt packages to install in the environment               |
-| `--libs <lib> [--libs <lib>...]`               | Provide additional Nix libraries to install in the environment              |
-| `--tag <tag> [--tag <tag>...]`, `-t`           | Additional tags to add to the output image                                  |
-| `--label <labels> [--label <labels>...]`, `-l` | Additional labels to add to the output image                                |
-| `--cache-key <key>`                            | Unique identifier to use for the build cache                                |
-| `--no-cache`                                   | Disable caching for the build                                               |
-| `--cache-from`                                 | Image to consider as cache sources                                          |
-| `--inline-cache`                               | Enable writing cache metadata into the output image                         |
-| `--out <dir>`, `-o`                            | Save output directory instead of building it with Docker                    |
-| `--platform <platforms...>`                    | Choosing the target platform for the target environment                     |
-| `--config <file>`                              | Location of the Nixpacks configuration file relative to the root of the app |
+|                                                    |                                                                             |
+| :------------------------------------------------- | :-------------------------------------------------------------------------- |
+| `--install-cmd <cmd>`, `-i`                        | Specify the install command                                                 |
+| `--build-cmd <cmd>`, `-b`                          | Specify the build command                                                   |
+| `--start-cmd <cmd>`, `-s`                          | Specify the start command                                                   |
+| `--name <name>`                                    | Name for the built image                                                    |
+| `--env <env> [--env <env>...]`                     | Provide environment variables to your build.                                |
+| `--pkgs <pkg> [--pkgs <pkg>...]`, `-p`             | Provide additional Nix packages to install in the environment               |
+| `--apt <pkg> [--apt <pkg>...]`                     | Provide additional apt packages to install in the environment               |
+| `--libs <lib> [--libs <lib>...]`                   | Provide additional Nix libraries to install in the environment              |
+| `--tag <tag> [--tag <tag>...]`, `-t`               | Additional tags to add to the output image                                  |
+| `--label <label> [--label <label>...]`, `-l`       | Additional labels to add to the output image                                |
+| `--cache-key <key>`                                | Unique identifier to use for the build cache                                |
+| `--no-cache`                                       | Disable caching for the build                                               |
+| `--cache-from`                                     | Image to consider as cache sources                                          |
+| `--inline-cache`                                   | Enable writing cache metadata into the output image                         |
+| `--out <dir>`, `-o`                                | Save output directory instead of building it with Docker                    |
+| `--platform <platform> [--platform <platform>...]` | Choosing the target platform for the target environment                     |
+| `--config <file>`                                  | Location of the Nixpacks configuration file relative to the root of the app |
 
 #### Environment Variables
 

diff --git a/src/main.rs b/src/main.rs
@@ -118,7 +118,7 @@ enum Commands {
 
         /// Set target platform for your output image
         #[arg(long)]
-        platform: Vec<String>,
+        platform: Option<Vec<String>>,
 
         /// Unique identifier to key cache by. Defaults to the current directory
         #[arg(long)]
@@ -259,7 +259,7 @@ async fn main() -> Result<()> {
                 quiet: false,
                 cache_key,
                 no_cache,
-                platform,
+                platform: platform.unwrap_or_default(),
                 print_dockerfile: dockerfile,
                 current_dir,
                 inline_cache,