refactor: move patch size evaluation fn to lib

so we can use it in ngit as well as remote helper

1 files changed, 14 insertions, 0 deletions

diff --git a/src/lib/git/mod.rs b/src/lib/git/mod.rs
index b275b49..3d5297f 100644
--- a/src/lib/git/mod.rs
+++ b/src/lib/git/mod.rs
@@ -75,6 +75,7 @@ pub trait RepoActions {
         commit: &Sha1Hash,
         series_count: &Option<(u64, u64)>,
     ) -> Result<String>;
+    fn are_commits_too_big_for_patches(&self, commits: &[Sha1Hash]) -> bool;
     fn extract_commit_pgp_signature(&self, commit: &Sha1Hash) -> Result<String>;
     fn checkout(&self, ref_name: &str) -> Result<Sha1Hash>;
     fn create_branch_at_commit(&self, branch_name: &str, commit: &str) -> Result<()>;
@@ -380,6 +381,19 @@ impl RepoActions for Repo {
             .to_owned())
     }
 
+    fn are_commits_too_big_for_patches(&self, commits: &[Sha1Hash]) -> bool {
+        commits.iter().any(|commit| {
+            if let Ok(patch) = self.make_patch_from_commit(commit, &None) {
+                patch.len()
+                    > ((65 // max recomended patch event size specified in nip34 in kb
+                // allownace for nostr event wrapper (id, pubkey, tags, sig)
+                - 1) * 1024)
+            } else {
+                true
+            }
+        })
+    }
+
     fn extract_commit_pgp_signature(&self, commit: &Sha1Hash) -> Result<String> {
         let oid = Oid::from_bytes(commit.as_byte_array()).context(format!(
             "failed to convert commit_id format for {}",