Move git2_hooks::create_hook_in_path to git2-testing

This is a function that's solely used in testing and has no
dependencies into git2_hooks and panics on common errors.
It's a much better fit for git2-testing.

Author: Naseschwarz

Diff for: git2-hooks/src/lib.rs

@@ -97,21 +97,6 @@ pub fn create_hook(
 
 	path
 }
-
-fn create_hook_in_path(path: &Path, hook_script: &[u8]) {
-	File::create(path).unwrap().write_all(hook_script).unwrap();
-
-	#[cfg(unix)]
-	{
-		std::process::Command::new("chmod")
-			.arg("+x")
-			.arg(path)
-			// .current_dir(path)
-			.output()
-			.unwrap();
-	}
-}
-
 /// Git hook: `commit_msg`
 ///
 /// This hook is documented here <https://git-scm.com/docs/githooks#_commit_msg>.

Diff for: git2-testing/src/lib.rs

@@ -1,4 +1,7 @@
 use git2::Repository;
+use std::fs::File;
+use std::io::Write;
+use std::path::Path;
 use tempfile::TempDir;
 
 /// initialize test repo in temp path
@@ -83,3 +86,21 @@ fn sandbox_config_files() {
 		set_search_path(ConfigLevel::ProgramData, path).unwrap();
 	});
 }
+
+/// helper method to create a git hook in a custom path (used in unittests)
+///
+/// # Panics
+/// Panics if hook could not be created
+pub fn create_hook_in_path(path: &Path, hook_script: &[u8]) {
+	File::create(path).unwrap().write_all(hook_script).unwrap();
+
+	#[cfg(unix)]
+	{
+		std::process::Command::new("chmod")
+			.arg("+x")
+			.arg(path)
+			// .current_dir(path)
+			.output()
+			.unwrap();
+	}
+}