add nix flake

5 files changed, 217 insertions, 7 deletions

diff --git a/.gitignore b/.gitignore
index ea8c4bf..d787b70 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+/result
diff --git a/Cargo.lock b/Cargo.lock
index 75c0bc5..413b800 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -463,9 +463,9 @@ checksum = "78cc372d058dcf6d5ecd98510e7fbc9e5aec4d21de70f65fea8fecebcd881bd4"
 
 [[package]]
 name = "git2"
-version = "0.13.25"
+version = "0.14.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f29229cc1b24c0e6062f6e742aa3e256492a5323365e5ed3413599f8a5eff7d6"
+checksum = "d0155506aab710a86160ddb504a480d2964d7ab5b9e62419be69e0032bc5931c"
 dependencies = [
  "bitflags",
  "libc",
@@ -793,9 +793,9 @@ checksum = "efaa7b300f3b5fe8eb6bf21ce3895e1751d9665086af2d64b42f19701015ff4f"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.26+1.3.0"
+version = "0.13.4+1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19e1c899248e606fbfe68dcb31d8b0176ebab833b103824af31bddf4b7457494"
+checksum = "d0fa6563431ede25f5cc7f6d803c6afbc1c5d3ad3d4925d12c882bf2b526f5d1"
 dependencies = [
  "cc",
  "libc",
@@ -961,9 +961,9 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "openssl-src"
-version = "111.18.0+1.1.1n"
+version = "111.20.0+1.1.1o"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7897a926e1e8d00219127dc020130eca4292e5ca666dd592480d72c3eca2ff6c"
+checksum = "92892c4f87d56e376e469ace79f1128fdaded07646ddf73aa0be4706ff712dec"
 dependencies = [
  "cc",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 88e490c..63610d4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ once_cell = "1"
 gitlab = "0.1408"
 graphql_client = "0.10"
 
-git2 = { version = "0.13", features = ["vendored-libgit2", "vendored-openssl"] }
+git2 = { version = "0.14" }
 
 walkdir = "2"
 
@@ -41,3 +41,9 @@ xdg = "2"
 
 # terminal coloring
 ansi_term = "0.12"
+
+[features]
+default = []
+
+vendored-openssl = [ "git2/vendored-openssl" ]
+vendored-libgit2 = [ "git2/vendored-libgit2" ]
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..ab2cf07
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,100 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1637014545,
+        "narHash": "sha256-26IZAc5yzlD9FlDT54io1oqG/bBoyka+FJk5guaX4x4=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "bba5dcc8e0b20ab664967ad83d24d64cb64ec4f4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1653413650,
+        "narHash": "sha256-wojDHjb+eU80MPH+3HQaK0liUy8EgR95rvmCl24i58Y=",
+        "owner": "nmattia",
+        "repo": "naersk",
+        "rev": "69daaceebe12c070cd5ae69ba38f277bbf033695",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nmattia",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1654595132,
+        "narHash": "sha256-Te8d7qAUzTumXbby9sthEuTBpFprikjiyphyNV3GdhI=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "ab7173f6db30fcffe01a23d85138449fa990cabf",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay",
+        "utils": "utils"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1654396786,
+        "narHash": "sha256-stM8eWx51WDwptsByQFwmAvPBT1N0XUhcGaMq5Nx7T8=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "2d306305e1a52d3e18bf10a5d88f3eca99033ba8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..851c72c
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,103 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    naersk = {
+      url = "github:nmattia/naersk";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, rust-overlay, utils, naersk }:
+    with nixpkgs.lib;
+    recursiveUpdate (utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        rust = rust-overlay.packages."${system}".rust;
+
+        naersk-lib = naersk.lib."${system}".override {
+          cargo = rust;
+          rustc = rust;
+        };
+      in rec {
+        packages.default = packages.gtree;
+
+        packages.gtree = naersk-lib.buildPackage {
+          pname = "gtree";
+          root = ./.;
+
+          nativeBuildInputs = [ pkgs.perl ];
+
+          cargoBuildOptions = prev:
+            prev ++ [ "--features=vendored-libgit2,vendored-openssl" ];
+        };
+
+        apps.default = utils.lib.mkApp { drv = packages.default; };
+
+        devShell = pkgs.mkShell { nativeBuildInputs = [ rust pkgs.perl ]; };
+      })) (utils.lib.eachSystem [
+        utils.lib.system.x86_64-linux
+        utils.lib.system.aarch64-linux
+      ] (system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+
+          staticInputs = with pkgs; [
+            pkgsStatic.stdenv.cc
+            pkgsStatic.openssl.dev
+            rust
+            perl
+          ];
+
+          target =
+            "${elemAt (strings.splitString "-" system) 0}-unknown-linux-musl";
+
+          rust = rust-overlay.packages."${system}".rust.override {
+            extensions = [ "rust-src" ];
+            targets = [ target ];
+          };
+
+          naersk-lib = naersk.lib."${system}".override {
+            cargo = rust;
+            rustc = rust;
+          };
+        in rec {
+          # `nix build`
+          packages.gtreeStatic = naersk-lib.buildPackage {
+            pname = "gtree";
+            root = ./.;
+
+            nativeBuildInputs = staticInputs;
+
+            CARGO_BUILD_TARGET = target;
+            CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_RUSTFLAGS =
+              "-C target-feature=+crt-static";
+            CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_RUSTFLAGS =
+              "-C target-feature=+crt-static";
+
+            OPENSSL_STATIC = true;
+            OPENSSL_DIR = "${pkgs.pkgsStatic.openssl}";
+            OPENSSL_LIB_DIR = "${pkgs.pkgsStatic.openssl.out}/lib";
+            OPENSSL_INCLUDE_DIR = "${pkgs.pkgsStatic.openssl.dev}/include";
+          };
+
+          devShell = pkgs.mkShell {
+            nativeBuildInputs = staticInputs;
+
+            shellHook = ''
+              export CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_RUSTFLAGS="-C target-feature=+crt-static"
+              export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_RUSTFLAGS="-C target-feature=+crt-static"
+
+              export OPENSSL_STATIC=1
+              export OPENSSL_DIR="${pkgs.pkgsStatic.openssl}"
+              export OPENSSL_LIB_DIR="${pkgs.pkgsStatic.openssl.out}/lib"
+              export OPENSSL_INCLUDE_DIR="${pkgs.pkgsStatic.openssl.dev}/include"
+            '';
+          };
+        }));
+}