radicle: add .external_template(false) to all other libgit2 calls

This complements 9d4aa59a12.

crates/radicle-cli/src/commands/id.rs

@@ -764,7 +764,12 @@ fn print_diff(
     let current = serde_json::to_string_pretty(&current.doc)?;
 
     let tmp = tempfile::tempdir()?;
-    let repo = radicle::git::raw::Repository::init_bare(tmp.path())?;
+    let repo = radicle::git::raw::Repository::init_opts(
+        tmp.path(),
+        radicle::git::raw::RepositoryInitOptions::new()
+            .external_template(false)
+            .bare(true),
+    )?;
 
     let previous = if let Some(previous) = previous {
         let tree = radicle::git::write_tree(&doc::PATH, previous.as_bytes(), &repo)?;

crates/radicle-cob/src/test/storage.rs

@@ -41,7 +41,11 @@ pub struct Storage {
 impl Storage {
     pub fn new() -> Self {
         let temp = tempfile::tempdir().unwrap();
-        let raw = git2::Repository::init(temp.path()).unwrap();
+        let raw = git2::Repository::init_opts(
+            temp.path(),
+            git2::RepositoryInitOptions::new().external_template(false),
+        )
+        .unwrap();
         let mut config = raw.config().unwrap();
         config.set_str("user.name", "Terry Pratchett").unwrap();
         config

crates/radicle/src/test/fixtures.rs

@@ -89,7 +89,11 @@ where
 
 /// Creates a regular repository at the given path with a couple of commits.
 pub fn repository<P: AsRef<Path>>(path: P) -> (git2::Repository, git2::Oid) {
-    let repo = git2::Repository::init(path).unwrap();
+    let repo = git2::Repository::init_opts(
+        path,
+        git2::RepositoryInitOptions::new().external_template(false),
+    )
+    .unwrap();
     let user_name = "anonymous";
     let user_email = "anonymous@radicle.xyz";
     {
@@ -209,7 +213,11 @@ pub mod gen {
 
     /// Creates a regular repository at the given path with a couple of commits.
     pub fn repository<P: AsRef<Path>>(path: P) -> (git2::Repository, git2::Oid) {
-        let repo = git2::Repository::init(path).unwrap();
+        let repo = git2::Repository::init_opts(
+            path,
+            git2::RepositoryInitOptions::new().external_template(false),
+        )
+        .unwrap();
         let sig = git2::Signature::now(string(6).as_str(), email().as_str()).unwrap();
         let head = git::initial_commit(&repo, &sig).unwrap();
         let tree =