macOS Certs

GitHub action to create a keychain and import macOS certificates for publishing macOS apps.

Usage

- name: Add macOS certs
  uses: mskelton/macos-certs@v1
  env:
    CERT_P12: ${{ secrets.MACOS_CERT_P12 }}
    CERT_PASSWORD: ${{ secrets.MACOS_CERT_PASSWORD }}

Exporting certificates

To export your signing certificates, follow the steps below.

1. Login to Apple Developer and go to Certificates, Identifiers & Profiles
2. Create the appropriate signing certificates
3. Download and add the certificates to your keychain
4. Select the certificates and their associated private keys in keychain and export as a p12 file.
5. Run the following command to convert your p12 file into a base64 string.

   base64 -i <p12_file> | pbcopy

6. Add the copied string to a CERT_P12 secret in your repo.
7. Add the password you used when exporting to the CERT_PASSWORD secret in your repo.

When exporting your certificates and private keys from keychain, it should look something like this.