From 606d831834b5a480f024651352fe2959cb665395 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Sat, 7 Oct 2023 15:40:48 +0200
Subject: [PATCH] feat: remove non first parent on revwalk based on settings

---
 src/git/revspec.rs  | 6 ++++++
 src/settings/mod.rs | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/src/git/revspec.rs b/src/git/revspec.rs
index 88f36161..3c888d8f 100644
--- a/src/git/revspec.rs
+++ b/src/git/revspec.rs
@@ -70,6 +70,9 @@ impl Repository {
     pub fn all_commits(&self) -> Result<CommitRange, Git2Error> {
         let mut revwalk = self.0.revwalk()?;
         revwalk.push_head()?;
+        if SETTINGS.only_first_parent {
+            revwalk.simplify_first_parent()?;
+        }
         let mut commits = vec![];
 
         for oid in revwalk {
@@ -331,6 +334,9 @@ impl Repository {
         let mut revwalk = self.0.revwalk()?;
 
         revwalk.push_range(spec)?;
+        if SETTINGS.only_first_parent {
+            revwalk.simplify_first_parent()?;
+        }
 
         let mut commits: Vec<Commit> = vec![];
 
diff --git a/src/settings/mod.rs b/src/settings/mod.rs
index f9d061c7..7486a804 100644
--- a/src/settings/mod.rs
+++ b/src/settings/mod.rs
@@ -33,6 +33,7 @@ pub struct Settings {
     pub from_latest_tag: bool,
     pub ignore_merge_commits: bool,
     pub generate_mono_repository_global_tag: bool,
+    pub only_first_parent: bool,
     pub monorepo_version_separator: Option<String>,
     pub branch_whitelist: Vec<String>,
     pub tag_prefix: Option<String>,
@@ -55,6 +56,7 @@ impl Default for Settings {
             from_latest_tag: false,
             ignore_merge_commits: false,
             generate_mono_repository_global_tag: true,
+            only_first_parent: false,
             monorepo_version_separator: None,
             branch_whitelist: vec![],
             tag_prefix: None,