Add CI

.github/workflows/ci.yml

@@ -7,4 +7,20 @@ jobs:
       - uses: goto-bus-stop/setup-zig@v2
         with:
           version: 0.13.0
-      - run: zig fmt --check .
+      - run: zig fmt --check .
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: 'recursive'
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.22.6'
+      - uses: goto-bus-stop/setup-zig@v2
+        with:
+          version: 0.13.0
+      - run: sudo apt install autoconf libtool pkg-config make libzstd-dev libfuse3-dev
+      - run: zig build -Doptimize=ReleaseSafe -Dtarget=x86_64-linux-musl
+      - run: zig-out/bin/dockerc --image docker://hello-world --output enlo
+      - run: ./enlo

.gitmodules

@@ -6,7 +6,8 @@
 	url = https://github.com/containers/skopeo.git
 [submodule "crun"]
 	path = crun
-	url = https://github.com/containers/crun.git
+	url = https://github.com/NilsIrl/crun.git
+	branch = dockerc
 [submodule "squashfs-tools"]
 	path = squashfs-tools
 	url = https://github.com/plougher/squashfs-tools.git

build.zig

@@ -57,7 +57,7 @@ pub fn build(b: *std.Build) void {
     fuse_fss.addIncludePath(b.path("zstd/lib"));
 
     fuse_fss.addIncludePath(b.path("libfuse/include"));
-    fuse_fss.addIncludePath(b.path("libfuse/build"));
+    fuse_fss.addIncludePath(b.path("libfuse_include"));
 
     fuse_fss.addCSourceFiles(.{
         .files = &[_][]const u8{
@@ -137,6 +137,13 @@ pub fn build(b: *std.Build) void {
         .target = target,
     });
 
+    const cc = std.fmt.allocPrint(
+        b.allocator,
+        // TODO: find exact zig location
+        "zig cc --target={s}",
+        .{target.result.zigTriple(b.allocator) catch @panic("OOM")},
+    ) catch @panic("OOM");
+
     const squashfuse_autogen = b.addSystemCommand(&[_][]const u8{
         "./autogen.sh",
     });
@@ -172,21 +179,6 @@ pub fn build(b: *std.Build) void {
     overlayfs_configure.setCwd(b.path("fuse-overlayfs"));
     overlayfs_configure.step.dependOn(&overlayfs_autogen.step);
 
-    const libfuse_mkdir_build = b.addSystemCommand(&[_][]const u8{
-        "mkdir",
-        "-p",
-        "build",
-    });
-    libfuse_mkdir_build.setCwd(b.path("libfuse"));
-
-    const configure_libfuse = b.addSystemCommand(&[_][]const u8{
-        "meson",
-        "setup",
-        "..",
-    });
-    configure_libfuse.setCwd(b.path("libfuse/build"));
-    configure_libfuse.step.dependOn(&libfuse_mkdir_build.step);
-
     const runtime = b.createModule(.{
         .root_source_file = b.path("src/main.zig"),
         .link_libc = true,
@@ -195,6 +187,7 @@ pub fn build(b: *std.Build) void {
     runtime.addImport("zstd", zstd);
     runtime.addImport("fuse-overlayfs", fuse_fss);
 
+    runtime.addIncludePath(b.path("crun_include"));
     runtime.addIncludePath(b.path("crun"));
     runtime.addIncludePath(b.path("crun/src"));
     runtime.addIncludePath(b.path("crun/libocispec/src"));
@@ -297,6 +290,10 @@ pub fn build(b: *std.Build) void {
         "--disable-caps",
         "--disable-seccomp",
     });
+    crun_configure.setEnvironmentVariable(
+        "CC",
+        cc,
+    );
     crun_configure.setCwd(b.path("crun"));
     crun_configure.step.dependOn(&crun_autogen.step);
 
@@ -320,12 +317,10 @@ pub fn build(b: *std.Build) void {
         runtime_x86_64.step.dependOn(&squashfuse_make_generate_swap.step);
         runtime_x86_64.step.dependOn(&overlayfs_configure.step);
         runtime_x86_64.step.dependOn(&libocspec_generate_files.step);
-        runtime_x86_64.step.dependOn(&configure_libfuse.step);
 
         runtime_aarch64.step.dependOn(&squashfuse_make_generate_swap.step);
         runtime_aarch64.step.dependOn(&overlayfs_configure.step);
         runtime_aarch64.step.dependOn(&libocspec_generate_files.step);
-        runtime_aarch64.step.dependOn(&configure_libfuse.step);
     }
 
     const go_cpu_arch = switch (target.query.cpu_arch orelse target.result.cpu.arch) {

crun_include/git-version.h

@@ -0,0 +1,3 @@
+#ifndef GIT_VERSION
+# define GIT_VERSION "dockerc-hash"
+#endif

libfuse_include/fuse_config.h

@@ -0,0 +1,44 @@
+/*
+ * Autogenerated by the Meson build system.
+ * Do not edit, your changes will be lost.
+ */
+
+#pragma once
+
+// not available in musl
+// #define HAVE_BACKTRACE
+
+#define HAVE_COPY_FILE_RANGE
+
+#define HAVE_FALLOCATE
+
+#define HAVE_FDATASYNC
+
+#define HAVE_FORK
+
+#define HAVE_FSTATAT
+
+#define HAVE_ICONV
+
+#define HAVE_OPENAT
+
+#define HAVE_PIPE2
+
+#define HAVE_POSIX_FALLOCATE
+
+#define HAVE_READLINKAT
+
+#define HAVE_SETXATTR
+
+#define HAVE_SPLICE
+
+#define HAVE_STRUCT_STAT_ST_ATIM
+
+#undef HAVE_STRUCT_STAT_ST_ATIMESPEC
+
+#define HAVE_UTIMENSAT
+
+#define HAVE_VMSPLICE
+
+#define PACKAGE_VERSION "3.17.0"
+

libfuse_include/libfuse_config.h

@@ -0,0 +1,15 @@
+/*
+ * Autogenerated by the Meson build system.
+ * Do not edit, your changes will be lost.
+ */
+
+#pragma once
+
+#define FUSE_HOTFIX_VERSION 0
+
+#define FUSE_MAJOR_VERSION 3
+
+#define FUSE_MINOR_VERSION 17
+
+#define LIBFUSE_BUILT_WITH_VERSIONED_SYMBOLS 1
+