From dc619c40d0a9d884a8c493237eaf9184a5e40b43 Mon Sep 17 00:00:00 2001
From: Spencer Smith <spencer.smith@talos-systems.com>
Date: Thu, 5 Oct 2023 15:58:30 -0400
Subject: [PATCH] feat: add fuse3 extension

This PR adds an extension for fuse, which allows for the compilation of the fusermount binary.
This binary is used by the estargz-snapshotter.

Signed-off-by: Spencer Smith <spencer.smith@talos-systems.com>
---
 Makefile                    |  1 +
 storage/fuse3/manifest.yaml | 10 +++++++++
 storage/fuse3/pkg.yaml      | 42 +++++++++++++++++++++++++++++++++++++
 storage/fuse3/vars.yaml     |  1 +
 storage/vars.yaml           |  2 ++
 5 files changed, 56 insertions(+)
 create mode 100644 storage/fuse3/manifest.yaml
 create mode 100644 storage/fuse3/pkg.yaml
 create mode 100644 storage/fuse3/vars.yaml
 create mode 100644 storage/vars.yaml

diff --git a/Makefile b/Makefile
index 8990f18f..30abb247 100644
--- a/Makefile
+++ b/Makefile
@@ -48,6 +48,7 @@ TARGETS = \
 		chelsio-drivers \
 		chelsio-firmware \
 		drbd \
+		fuse3 \
 		gasket-driver \
 		gvisor \
 		hello-world-service \
diff --git a/storage/fuse3/manifest.yaml b/storage/fuse3/manifest.yaml
new file mode 100644
index 00000000..52684341
--- /dev/null
+++ b/storage/fuse3/manifest.yaml
@@ -0,0 +1,10 @@
+version: v1alpha1
+metadata:
+  name: fuse3
+  version: "$VERSION"
+  author: Sidero Labs
+  description: |
+    This system extension provides fuse3 functionality.
+  compatibility:
+    talos:
+      version: ">= v1.0.0"
diff --git a/storage/fuse3/pkg.yaml b/storage/fuse3/pkg.yaml
new file mode 100644
index 00000000..2ac9d5df
--- /dev/null
+++ b/storage/fuse3/pkg.yaml
@@ -0,0 +1,42 @@
+name: fuse3
+variant: scratch
+shell: /toolchain/bin/bash
+dependencies:
+  - stage: base
+  - image: "{{ .PKGS_PREFIX }}/openssl:{{ .BUILD_ARG_PKGS }}"
+steps:
+  - sources:
+      - url: https://github.com/libfuse/libfuse/releases/download/fuse-{{ .FUSE3_VERSION }}/fuse-{{ .FUSE3_VERSION }}.tar.gz
+        destination: fuse.tar.gz
+        sha256: 75a7140ce2d4589eda2784d2279be9d2b273a9b6b0f79ecb871dc4dded046fb5
+        sha512: 3f07919a7451a30d05bc174e2f8ec2c65b6225e63b4bbb40f2b097d760d4aa9b753a1da5da4874855094a01979fc4313ffabce54668ed20a6900f5eed92912c8
+    prepare:
+      - |
+        sed -i 's#$VERSION#{{ .VERSION }}#' /pkg/manifest.yaml
+      - |
+        tar -xzf fuse.tar.gz --strip-components=1
+
+        mkdir -p /usr/bin
+        ln -s /toolchain/bin/env /usr/bin/env
+        ln -s /toolchain/bin/python3 /toolchain/bin/python
+        pip3 install ninja
+
+        mkdir -p /rootfs/usr/local/etc
+        mkdir -p /rootfs/usr/local/bin
+        mkdir -p /rootfs/etc/init.d
+
+        mkdir _build
+        meson setup _build
+        meson configure -D useroot=false -D initscriptdir='' _build
+    build:
+      - |
+        ninja -C _build
+    install:
+      - |
+
+        DESTDIR=/rootfs ninja -C _build install
+finalize:
+  - from: /rootfs
+    to: /rootfs
+  - from: /pkg/manifest.yaml
+    to: /
diff --git a/storage/fuse3/vars.yaml b/storage/fuse3/vars.yaml
new file mode 100644
index 00000000..6e991bfc
--- /dev/null
+++ b/storage/fuse3/vars.yaml
@@ -0,0 +1 @@
+VERSION: "{{ .FUSE3_VERSION }}-{{ .BUILD_ARG_TAG }}"
diff --git a/storage/vars.yaml b/storage/vars.yaml
new file mode 100644
index 00000000..09f6fd32
--- /dev/null
+++ b/storage/vars.yaml
@@ -0,0 +1,2 @@
+# renovate: datasource=github-tags extractVersion=^release-(?<version>.*)$ depName=libfuse/libfuse
+FUSE3_VERSION: 3.16.1