build: update default repository reference from 'main' to 'master'

This change updates the default repository reference in the action's input parameters and the entrypoint script to align with the repository's new branch naming convention.

Signed-off-by: Chiho Sin <[email protected]>

Author: chihosin

README.md

@@ -37,7 +37,7 @@ jobs:
 | Parameter Name  | Required | Default  | Description                                   |
 |-----------------|----------|----------|-----------------------------------------------|
 | `repo_remote`   | No       | `origin` | The MicroPython repository remote ('origin', 'upstream'). |
-| `repo_ref`      | No       | `main`   | The MicroPython repository reference (branch, tag, commit). |
+| `repo_ref`      | No       | `master`   | The MicroPython repository reference (branch, tag, commit). |
 | `port`          | Yes      | None     | The MicroPython platform to build (esp32, nrf). |
 | `board`         | No       | `""`     | The MicroPython board to build. |
 

action.yml

@@ -12,7 +12,7 @@ inputs:
     required: false
   repo_ref:
     description: The MicroPython repository reference (branch, tag, commit)
-    default: main
+    default: master
     required: false
   port:
     description: The MicroPython platform to build (esp32, nrf)

entrypoint.sh

@@ -9,7 +9,7 @@ JOBS=$(nproc)
 : "${GITHUB_ACTIONS:=false}"
 # Inputs (provide safe defaults)
 : "${REPO_REMOTE:=origin}"
-: "${REPO_REF:=main}"
+: "${REPO_REF:=master}"
 : "${BOARD:=}"
 
 # Reset to the target SHA