45 lines
2.5 KiB
Markdown
45 lines
2.5 KiB
Markdown
# Modrinth Plus Self-Updates
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Modrinth Plus uses the existing Tauri updater flow from the upstream Modrinth App. Release builds check the Gitea generic package registry for `latest.json` and show the in-app update notification after startup when a newer signed build exists.
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The updater requires signing. Tauri does not allow unsigned updater installs, so the Gitea repository must provide these Actions secrets:
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- `MRTRUST_CODESIGN_PFX_BASE64`: base64-encoded `MrSphay-CodeSigning.pfx` from MrTrust.
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- `MRTRUST_CODESIGN_PFX_PASSWORD`: password for the MrTrust code-signing PFX.
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- `TAURI_SIGNING_PRIVATE_KEY`: private key generated by `tauri signer generate`.
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- `TAURI_SIGNING_PRIVATE_KEY_PASSWORD`: optional key password.
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- `TAURI_SIGNING_PUBLIC_KEY`: public key generated next to the private key.
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- `REGISTRY_TOKEN`: Gitea token with package write access.
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MrTrust signing and Tauri updater signing are separate. If only the two `MRTRUST_*` secrets are set, the workflow still builds and publishes a MrTrust-signed Windows installer, but it does not publish `latest.json` for in-app reload updates.
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Generate a keypair with the Tauri CLI:
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```powershell
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pnpm --filter @modrinth/app exec tauri signer generate -- -w "$env:USERPROFILE\.tauri\modrinth-plus-updater.key"
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```
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Use the `.key` file content as `TAURI_SIGNING_PRIVATE_KEY` and the `.key.pub` file content as `TAURI_SIGNING_PUBLIC_KEY`.
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Encode the MrTrust PFX for the `MRTRUST_CODESIGN_PFX_BASE64` secret:
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```powershell
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[Convert]::ToBase64String([IO.File]::ReadAllBytes(".\private\MrSphay-CodeSigning.pfx"))
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```
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The Gitea workflow patches the public key into `apps/app/tauri-release.conf.json` at build time, builds a signed Windows updater bundle, uploads the installer and updater bundle to the package registry, and publishes `latest.json` at:
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```text
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https://git.wilkensxl.de/api/packages/MrSphay/generic/modrinth-plus/latest/latest.json
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```
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The Windows installer and bundled executables are Authenticode-signed with the MrTrust code-signing certificate. Users who installed MrTrust before installing Modrinth Plus should see the artifacts as signed by the trusted MrSphay certificate chain. MrTrust does not disable Defender, SmartScreen, UAC, or enterprise policy.
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MrTrust itself is intentionally separate from Modrinth Plus. Download the current `MrTrust-<version>.zip` from:
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```text
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https://git.wilkensxl.de/MrSphay/MrTrust/releases
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```
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Run `MrTrust.exe` once to install trust for MrSphay-signed apps. Open it again and choose `Remove trust` to reverse that trust.
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