git: use prerelease version of git2 with OpenSSH support

Author: bnjmnt4n

Cargo.lock

@@ -47,7 +47,7 @@ dirs = "5.0.1"
 either = "1.10.0"
 esl01-renderdag = "0.3.0"
 futures = "0.3.30"
-git2 = "0.18.3"
+git2 = { git = "https://github.com/bnjmnt4n/git2-rs.git", rev = "6ad326a9", default-features = false, features = ["https", "ssh-openssh", "vendored-libgit2"] }
 gix = { version = "0.61.0", default-features = false, features = [
     "index",
     "max-performance-safe",

Cargo.toml

@@ -83,6 +83,9 @@
           ];
 
           cargoLock.lockFile = ./Cargo.lock;
+          cargoLock.outputHashes = {
+            "git2-0.18.3" = "sha256-Kfg3xWIAarAxeIo2wL30OFni7X4Thf9EzaXbFTWsehE=";
+          };
           nativeBuildInputs = with pkgs; [
             gzip
             installShellFiles
@@ -94,11 +97,10 @@
             openssh
           ] ++ linuxNativeDeps;
           buildInputs = with pkgs; [
-            openssl zstd libgit2 libssh2
+            openssl zstd libgit2 openssh
           ] ++ darwinDeps;
 
           ZSTD_SYS_USE_PKG_CONFIG = "1";
-          LIBSSH2_SYS_USE_PKG_CONFIG = "1";
           RUSTFLAGS = pkgs.lib.optionalString useMoldLinker "-C link-arg=-fuse-ld=mold";
           NIX_JJ_GIT_HASH = self.rev or "";
           CARGO_INCREMENTAL = "0";
@@ -161,7 +163,7 @@
           })
 
           # Foreign dependencies
-          openssl zstd libgit2 libssh2
+          openssl zstd libgit2
           pkg-config
 
           # Make sure rust-analyzer is present
@@ -187,7 +189,6 @@
         shellHook = ''
           export RUST_BACKTRACE=1
           export ZSTD_SYS_USE_PKG_CONFIG=1
-          export LIBSSH2_SYS_USE_PKG_CONFIG=1
         '' + pkgs.lib.optionalString useMoldLinker ''
           export RUSTFLAGS="-C link-arg=-fuse-ld=mold"
         '' + darwinNextestHack;

flake.nix

@@ -1149,7 +1149,12 @@ pub fn fetch(
     tracing::debug!("remote.prune");
     remote.prune(None)?;
     tracing::debug!("remote.update_tips");
-    remote.update_tips(None, false, git2::AutotagOption::Unspecified, None)?;
+    remote.update_tips(
+        None,
+        git2::RemoteUpdateFlags::empty(),
+        git2::AutotagOption::Unspecified,
+        None,
+    )?;
     // TODO: We could make it optional to get the default branch since we only care
     // about it on clone.
     let mut default_branch = None;