diff --git a/asyncgit/src/error.rs b/asyncgit/src/error.rs
index 0e70c8f8..608b5cc9 100644
--- a/asyncgit/src/error.rs
+++ b/asyncgit/src/error.rs
@@ -28,10 +28,10 @@ pub enum Error {
     Git(#[from] git2::Error),
 
     #[error("utf8 error:{0}")]
-    Utf8Error(#[from] FromUtf8Error),
+    Utf8Conversion(#[from] FromUtf8Error),
 
     #[error("TryFromInt error:{0}")]
-    IntError(#[from] TryFromIntError),
+    IntConversion(#[from] TryFromIntError),
 }
 
 pub type Result<T> = std::result::Result<T, Error>;
diff --git a/asyncgit/src/lib.rs b/asyncgit/src/lib.rs
index 40ba1424..6c635f21 100644
--- a/asyncgit/src/lib.rs
+++ b/asyncgit/src/lib.rs
@@ -4,12 +4,33 @@
 #![deny(unsafe_code)]
 #![deny(unused_imports)]
 #![deny(unused_must_use)]
+#![deny(dead_code)]
 #![deny(clippy::all)]
+#![deny(clippy::cargo)]
+#![deny(clippy::pedantic)]
+//TODO:
+// #![deny(clippy::nursery)]
 #![deny(clippy::unwrap_used)]
 #![deny(clippy::panic)]
 #![deny(clippy::perf)]
+#![deny(clippy::match_like_matches_macro)]
+#![deny(clippy::needless_update)]
+#![allow(clippy::module_name_repetitions)]
 //TODO: get this in someday since expect still leads us to crashes sometimes
 // #![deny(clippy::expect_used)]
+//TODO:
+#![allow(clippy::needless_pass_by_value)]
+#![allow(clippy::must_use_candidate)]
+#![allow(clippy::missing_errors_doc)]
+#![allow(clippy::map_unwrap_or)]
+#![allow(clippy::option_if_let_else)]
+#![allow(clippy::manual_ok_or)]
+#![allow(clippy::doc_markdown)]
+#![allow(clippy::cast_possible_wrap)]
+#![allow(clippy::cast_sign_loss)]
+#![allow(clippy::cast_possible_truncation)]
+#![allow(clippy::cast_precision_loss)]
+#![allow(clippy::too_many_lines)]
 
 pub mod cached;
 mod commit_files;
diff --git a/asyncgit/src/revlog.rs b/asyncgit/src/revlog.rs
index ffb11218..87958ecf 100644
--- a/asyncgit/src/revlog.rs
+++ b/asyncgit/src/revlog.rs
@@ -156,17 +156,16 @@ impl AsyncLog {
 
             if res_is_err || entries.len() <= 1 {
                 break;
-            } else {
-                Self::notify(&sender);
-
-                let sleep_duration =
-                    if arc_background.load(Ordering::Relaxed) {
-                        SLEEP_BACKGROUND
-                    } else {
-                        SLEEP_FOREGROUND
-                    };
-                thread::sleep(sleep_duration);
             }
+            Self::notify(&sender);
+
+            let sleep_duration =
+                if arc_background.load(Ordering::Relaxed) {
+                    SLEEP_BACKGROUND
+                } else {
+                    SLEEP_FOREGROUND
+                };
+            thread::sleep(sleep_duration);
         }
 
         Ok(())
diff --git a/asyncgit/src/sync/branch/merge_commit.rs b/asyncgit/src/sync/branch/merge_commit.rs
index 186c731a..40e436c6 100644
--- a/asyncgit/src/sync/branch/merge_commit.rs
+++ b/asyncgit/src/sync/branch/merge_commit.rs
@@ -44,7 +44,9 @@ pub fn merge_upstream_commit(
 
     repo.merge(&[&annotated_upstream], Some(&mut opt), None)?;
 
-    assert!(!repo.index()?.has_conflicts());
+    if repo.index()?.has_conflicts() {
+        return Err(Error::Generic("creates conflicts".into()));
+    }
 
     let signature =
         crate::sync::commit::signature_allow_undefined_name(&repo)?;
diff --git a/asyncgit/src/sync/branch/mod.rs b/asyncgit/src/sync/branch/mod.rs
index 8bbbc652..c46318f4 100644
--- a/asyncgit/src/sync/branch/mod.rs
+++ b/asyncgit/src/sync/branch/mod.rs
@@ -117,7 +117,7 @@ pub fn get_branches_info(
                 .branch_upstream_remote(&reference)
                 .ok()
                 .as_ref()
-                .and_then(|buf| buf.as_str())
+                .and_then(git2::Buf::as_str)
                 .map(String::from);
 
             let details = if local {
@@ -318,11 +318,10 @@ pub fn delete_branch(
     let repo = utils::repo(repo_path)?;
     let branch_as_ref = repo.find_reference(branch_ref)?;
     let mut branch = git2::Branch::wrap(branch_as_ref);
-    if !branch.is_head() {
-        branch.delete()?;
-    } else {
+    if branch.is_head() {
         return Err(Error::Generic("You cannot be on the branch you want to delete, switch branch, then delete this branch".to_string()));
     }
+    branch.delete()?;
     Ok(())
 }
 
diff --git a/asyncgit/src/sync/commit_details.rs b/asyncgit/src/sync/commit_details.rs
index f9620005..104d5f62 100644
--- a/asyncgit/src/sync/commit_details.rs
+++ b/asyncgit/src/sync/commit_details.rs
@@ -45,7 +45,7 @@ impl CommitMessage {
         };
 
         let body: Vec<String> =
-            lines.map(|line| line.to_string()).collect();
+            lines.map(std::string::ToString::to_string).collect();
 
         Self {
             subject,
diff --git a/asyncgit/src/sync/cred.rs b/asyncgit/src/sync/cred.rs
index c7690823..4d841d49 100644
--- a/asyncgit/src/sync/cred.rs
+++ b/asyncgit/src/sync/cred.rs
@@ -72,7 +72,7 @@ pub fn extract_cred_from_url(url: &str) -> BasicAuthCredential {
             } else {
                 Some(url.username().to_owned())
             },
-            url.password().map(|pwd| pwd.to_owned()),
+            url.password().map(std::borrow::ToOwned::to_owned),
         )
     } else {
         BasicAuthCredential::new(None, None)
diff --git a/asyncgit/src/sync/diff.rs b/asyncgit/src/sync/diff.rs
index 0ddc469b..4f47d9b4 100644
--- a/asyncgit/src/sync/diff.rs
+++ b/asyncgit/src/sync/diff.rs
@@ -225,12 +225,13 @@ fn raw_diff_to_file_diff<'a>(
 
                 match current_hunk {
                     None => current_hunk = Some(hunk_header),
-                    Some(h) if h != hunk_header => {
-                        adder(&h, &current_lines);
-                        current_lines.clear();
-                        current_hunk = Some(hunk_header)
+                    Some(h) => {
+                        if h != hunk_header {
+                            adder(&h, &current_lines);
+                            current_lines.clear();
+                            current_hunk = Some(hunk_header)
+                        }
                     }
-                    _ => (),
                 }
 
                 let line_type = match line.origin() {
diff --git a/asyncgit/src/sync/hooks.rs b/asyncgit/src/sync/hooks.rs
index b81bca1b..a74e51f4 100644
--- a/asyncgit/src/sync/hooks.rs
+++ b/asyncgit/src/sync/hooks.rs
@@ -75,13 +75,14 @@ pub fn hooks_post_commit(repo_path: &str) -> Result<HookResult> {
 
 fn work_dir_as_string(repo_path: &str) -> Result<String> {
     let repo = repo(repo_path)?;
-    work_dir(&repo)?.to_str().map(|s| s.to_string()).ok_or_else(
-        || {
+    work_dir(&repo)?
+        .to_str()
+        .map(std::string::ToString::to_string)
+        .ok_or_else(|| {
             Error::Generic(
                 "workdir contains invalid utf8".to_string(),
             )
-        },
-    )
+        })
 }
 
 fn hook_runable(path: &str, hook: &str) -> bool {
diff --git a/asyncgit/src/sync/remotes/push.rs b/asyncgit/src/sync/remotes/push.rs
index a7672028..dc8d85f9 100644
--- a/asyncgit/src/sync/remotes/push.rs
+++ b/asyncgit/src/sync/remotes/push.rs
@@ -74,10 +74,8 @@ impl AsyncProgress for ProgressNotification {
                 current,
                 total,
             } => match stage {
-                PackBuilderStage::AddingObjects => {
-                    ProgressPercent::new(current, total)
-                }
-                PackBuilderStage::Deltafication => {
+                PackBuilderStage::AddingObjects
+                | PackBuilderStage::Deltafication => {
                     ProgressPercent::new(current, total)
                 }
             },
diff --git a/asyncgit/src/sync/staging/mod.rs b/asyncgit/src/sync/staging/mod.rs
index 6e66c38e..355685fa 100644
--- a/asyncgit/src/sync/staging/mod.rs
+++ b/asyncgit/src/sync/staging/mod.rs
@@ -57,7 +57,7 @@ impl NewFromOldContent {
 
     fn finish(mut self, old_lines: &[&str]) -> String {
         for line in old_lines.iter().skip(self.old_index) {
-            self.lines.push(line.to_string());
+            self.lines.push((*line).to_string());
         }
         let lines = self.lines.join("\n");
         if lines.ends_with(NEWLINE) {
diff --git a/asyncgit/src/sync/status.rs b/asyncgit/src/sync/status.rs
index 891079d6..b2318552 100644
--- a/asyncgit/src/sync/status.rs
+++ b/asyncgit/src/sync/status.rs
@@ -116,7 +116,7 @@ pub fn get_status(
             Some(diff) => diff
                 .new_file()
                 .path()
-                .and_then(|x| x.to_str())
+                .and_then(Path::to_str)
                 .map(String::from)
                 .ok_or_else(|| {
                     Error::Generic(
diff --git a/asyncgit/src/sync/utils.rs b/asyncgit/src/sync/utils.rs
index 944ea00a..70266afa 100644
--- a/asyncgit/src/sync/utils.rs
+++ b/asyncgit/src/sync/utils.rs
@@ -161,10 +161,10 @@ pub fn get_config_string(
         Err(_) => return Ok(None),
     };
 
-    if !entry.has_value() {
-        Ok(None)
+    if entry.has_value() {
+        Ok(entry.value().map(std::string::ToString::to_string))
     } else {
-        Ok(entry.value().map(|s| s.to_string()))
+        Ok(None)
     }
 }
 
diff --git a/src/components/diff.rs b/src/components/diff.rs
index 3cf7632e..373f0f60 100644
--- a/src/components/diff.rs
+++ b/src/components/diff.rs
@@ -252,25 +252,21 @@ impl DiffComponent {
 
     fn copy_selection(&self) {
         if let Some(diff) = &self.diff {
-            let lines_to_copy: Vec<&str> = diff
-                .hunks
-                .iter()
-                .flat_map(|hunk| hunk.lines.iter())
-                .enumerate()
-                .filter_map(|(i, line)| {
-                    if self.selection.contains(i) {
-                        Some(
-                            line.content
-                                .trim_matches(|c| {
-                                    c == '\n' || c == '\r'
-                                })
-                                .as_ref(),
-                        )
-                    } else {
-                        None
-                    }
-                })
-                .collect();
+            let lines_to_copy: Vec<&str> =
+                diff.hunks
+                    .iter()
+                    .flat_map(|hunk| hunk.lines.iter())
+                    .enumerate()
+                    .filter_map(|(i, line)| {
+                        if self.selection.contains(i) {
+                            Some(line.content.trim_matches(|c| {
+                                c == '\n' || c == '\r'
+                            }))
+                        } else {
+                            None
+                        }
+                    })
+                    .collect();
 
             try_or_popup!(
                 self,
diff --git a/src/main.rs b/src/main.rs
index cfae967f..8bb0ffa1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,8 @@
 #![forbid(unsafe_code)]
 #![deny(unused_imports)]
 #![deny(unused_must_use)]
+#![deny(dead_code)]
+#![deny(clippy::all)]
 #![deny(clippy::cargo)]
 #![deny(clippy::pedantic)]
 #![deny(clippy::perf)]
@@ -8,6 +10,7 @@
 #![deny(clippy::unwrap_used)]
 #![deny(clippy::panic)]
 #![deny(clippy::match_like_matches_macro)]
+#![deny(clippy::needless_update)]
 #![allow(clippy::module_name_repetitions)]
 #![allow(clippy::multiple_crate_versions)]