update libgit2 to newer snapshot

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "git2"
-version = "0.14.4"
+version = "0.15.0"
 authors = ["Josh Triplett <josh@joshtriplett.org>", "Alex Crichton <alex@alexcrichton.com>"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -20,7 +20,7 @@ url = "2.0"
 bitflags = "1.1.0"
 libc = "0.2"
 log = "0.4.8"
-libgit2-sys = { path = "libgit2-sys", version = "0.13.4" }
+libgit2-sys = { path = "libgit2-sys", version = "0.14.0" }
 
 [target."cfg(all(unix, not(target_os = \"macos\")))".dependencies]
 openssl-sys = { version = "0.9.0", optional = true }

git2-curl/Cargo.toml

@@ -16,7 +16,7 @@ edition = "2018"
 curl = "0.4.33"
 url = "2.0"
 log = "0.4"
-git2 = { path = "..", version = "0.14", default-features = false }
+git2 = { path = "..", version = "0.15", default-features = false }
 
 [dev-dependencies]
 civet = "0.11"

libgit2-sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "libgit2-sys"
-version = "0.13.4+1.4.2"
+version = "0.14.0+1.4.4"
 authors = ["Josh Triplett <josh@joshtriplett.org>", "Alex Crichton <alex@alexcrichton.com>"]
 links = "git2"
 build = "build.rs"

libgit2-sys/build.rs

@@ -14,11 +14,7 @@ fn main() {
     let try_to_use_system_libgit2 = !vendored && !zlib_ng_compat;
     if try_to_use_system_libgit2 {
         let mut cfg = pkg_config::Config::new();
-        if let Ok(lib) = cfg
-            .range_version("1.4.0".."1.5.0")
-            .print_system_libs(false)
-            .probe("libgit2")
-        {
+        if let Ok(lib) = cfg.range_version("1.4.4".."1.5.0").probe("libgit2") {
             for include in &lib.include_paths {
                 println!("cargo:root={}", include.display());
             }
@@ -162,9 +158,26 @@ fn main() {
     cfg.define("SHA1DC_NO_STANDARD_INCLUDES", "1");
     cfg.define("SHA1DC_CUSTOM_INCLUDE_SHA1_C", "\"common.h\"");
     cfg.define("SHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C", "\"common.h\"");
-    cfg.file("libgit2/src/util/hash/sha1/collisiondetect.c");
-    cfg.file("libgit2/src/util/hash/sha1/sha1dc/sha1.c");
-    cfg.file("libgit2/src/util/hash/sha1/sha1dc/ubc_check.c");
+    cfg.file("libgit2/src/util/hash/collisiondetect.c");
+    cfg.file("libgit2/src/util/hash/sha1dc/sha1.c");
+    cfg.file("libgit2/src/util/hash/sha1dc/ubc_check.c");
+
+    if https {
+        if windows {
+            features.push_str("#define GIT_SHA256_WIN32 1\n");
+            cfg.file("libgit2/src/util/hash/win32.c");
+        } else if target.contains("apple") {
+            features.push_str("#define GIT_SHA256_COMMON_CRYPTO 1\n");
+            cfg.file("libgit2/src/util/hash/common_crypto.c");
+        } else {
+            features.push_str("#define GIT_SHA256_OPENSSL 1\n");
+            cfg.file("libgit2/src/util/hash/openssl.c");
+        }
+    } else {
+        features.push_str("#define GIT_SHA256_BUILTIN 1\n");
+        cfg.file("libgit2/src/util/hash/builtin.c");
+        cfg.file("libgit2/src/util/hash/rfc6234/sha224-256.c");
+    }
 
     if let Some(path) = env::var_os("DEP_Z_INCLUDE") {
         cfg.include(path);

libgit2-sys/lib.rs

@@ -1,4 +1,4 @@
-#![doc(html_root_url = "https://docs.rs/libgit2-sys/0.13")]
+#![doc(html_root_url = "https://docs.rs/libgit2-sys/0.14")]
 #![allow(non_camel_case_types, unused_extern_crates)]
 
 // This is required to link libz when libssh2-sys is not included.
@@ -195,6 +195,7 @@ git_enum! {
         GIT_EMISMATCH = -33,
         GIT_EINDEXDIRTY = -34,
         GIT_EAPPLYFAIL = -35,
+        GIT_EOWNER = -36,
     }
 }
 
@@ -1894,6 +1895,8 @@ git_enum! {
         GIT_OPT_SET_ODB_LOOSE_PRIORITY,
         GIT_OPT_GET_EXTENSIONS,
         GIT_OPT_SET_EXTENSIONS,
+        GIT_OPT_GET_OWNER_VALIDATION,
+        GIT_OPT_SET_OWNER_VALIDATION,
     }
 }
 

src/error.rs

@@ -127,6 +127,7 @@ impl Error {
             raw::GIT_EMISMATCH => super::ErrorCode::HashsumMismatch,
             raw::GIT_EINDEXDIRTY => super::ErrorCode::IndexDirty,
             raw::GIT_EAPPLYFAIL => super::ErrorCode::ApplyFail,
+            raw::GIT_EOWNER => super::ErrorCode::Owner,
             _ => super::ErrorCode::GenericError,
         }
     }
@@ -163,6 +164,7 @@ impl Error {
             ErrorCode::HashsumMismatch => raw::GIT_EMISMATCH,
             ErrorCode::IndexDirty => raw::GIT_EINDEXDIRTY,
             ErrorCode::ApplyFail => raw::GIT_EAPPLYFAIL,
+            ErrorCode::Owner => raw::GIT_EOWNER,
         };
     }
 
@@ -293,6 +295,7 @@ impl Error {
             GIT_EMISMATCH,
             GIT_EINDEXDIRTY,
             GIT_EAPPLYFAIL,
+            GIT_EOWNER,
         )
     }
 

src/lib.rs

@@ -65,7 +65,7 @@
 //! source `Repository`, to ensure that they do not outlive the repository
 //! itself.
 
-#![doc(html_root_url = "https://docs.rs/git2/0.14")]
+#![doc(html_root_url = "https://docs.rs/git2/0.15")]
 #![allow(trivial_numeric_casts, trivial_casts)]
 #![deny(missing_docs)]
 #![warn(rust_2018_idioms)]
@@ -215,6 +215,8 @@ pub enum ErrorCode {
     IndexDirty,
     /// Patch application failed
     ApplyFail,
+    /// The object is not owned by the current user
+    Owner,
 }
 
 /// An enumeration of possible categories of things that can have

src/opts.rs

@@ -178,6 +178,19 @@ where
     Ok(())
 }
 
+/// Set wheter or not to verify ownership before performing a repository.
+/// Enabled by default, but disabling this can lead to code execution vulnerabilities.
+pub unsafe fn set_verify_owner_validation(enabled: bool) -> Result<(), Error> {
+    let error = raw::git_libgit2_opts(
+        raw::GIT_OPT_SET_OWNER_VALIDATION as libc::c_int,
+        enabled as libc::c_int,
+    );
+    // This function cannot actually fail, but the function has an error return
+    // for other options that can.
+    debug_assert!(error >= 0);
+    Ok(())
+}
+
 #[cfg(test)]
 mod test {
     use super::*;