fix(sys): update libgit2 to 1.9.6

Cargo.toml

@@ -20,7 +20,7 @@ url = { version = "2.5.4", optional = true }
 bitflags = "2.1.0"
 libc = "0.2"
 log = "0.4.8"
-libgit2-sys = { path = "libgit2-sys", version = "0.18.6" }
+libgit2-sys = { path = "libgit2-sys", version = "0.18.7" }
 
 [target."cfg(all(unix, not(target_os = \"macos\")))".dependencies]
 openssl-sys = { version = "0.9.45", optional = true }

README.md

@@ -27,7 +27,7 @@ stable release as well.
 
 ## Version of libgit2
 
-Currently this library requires libgit2 1.9.5 (or newer patch versions). The
+Currently this library requires libgit2 1.9.6 (or newer patch versions). The
 source for libgit2 is included in the libgit2-sys crate so there's no need to
 pre-install the libgit2 library, the libgit2-sys crate will figure that and/or
 build that for you. On the other hand, if an appropriate version of `libgit2`

libgit2-sys/CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## 0.18.7+1.9.6 - 2026-07-22
+[0.18.6...0.18.7](https://github.com/rust-lang/git2-rs/compare/libgit2-sys-0.18.6+1.9.5...libgit2-sys-0.18.7+1.9.6)
+
+### Changed
+
+- Updated to libgit2 [1.9.6](https://github.com/libgit2/libgit2/releases/tag/v1.9.6).
+  This fixes SSH known-host loading with an invalid home directory,
+  an Android crash when `HOME` is unset,
+  and hidden symbol visibility for static builds.
+
 ## 0.18.6+1.9.5 - 2026-07-22
 [0.18.5...0.18.6](https://github.com/rust-lang/git2-rs/compare/libgit2-sys-0.18.5+1.9.4...libgit2-sys-0.18.6+1.9.5)
 

libgit2-sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "libgit2-sys"
-version = "0.18.6+1.9.5"
+version = "0.18.7+1.9.6"
 authors = ["Josh Triplett <josh@joshtriplett.org>", "Alex Crichton <alex@alexcrichton.com>"]
 links = "git2"
 build = "build.rs"

libgit2-sys/build.rs

@@ -9,7 +9,7 @@ fn try_system_libgit2(
     experimental_sha256: bool,
 ) -> Result<pkg_config::Library, Box<dyn std::error::Error>> {
     let mut cfg = pkg_config::Config::new();
-    let range_version = "1.9.5".."1.10.0";
+    let range_version = "1.9.6".."1.10.0";
 
     let lib = if experimental_sha256 {
         // Determine whether experimental SHA256 object support is enabled.