refactor(git): find root commit from head

this is simpler

there is no need to check whether main or master exist
because one does 99+% of the time

the root commit wil be te same for head as master 99+% of the time

5 files changed, 8 insertions, 24 deletions

diff --git a/src/sub_commands/claim.rs b/src/sub_commands/claim.rs
index 05ad961..d3a80c8 100644
--- a/src/sub_commands/claim.rs
+++ b/src/sub_commands/claim.rs
@@ -33,12 +33,8 @@ pub struct SubCommandArgs {
 pub async fn launch(cli_args: &Cli, args: &SubCommandArgs) -> Result<()> {
     let git_repo = Repo::discover().context("cannot find a git repository")?;
 
-    let (main_or_master_branch_name, _) = git_repo
-        .get_main_or_master_branch()
-        .context("no main or master branch")?;
-
     let root_commit = git_repo
-        .get_root_commit(main_or_master_branch_name)
+        .get_root_commit()
         .context("failed to get root commit of the repository")?;
 
     // TODO: check for empty repo
diff --git a/src/sub_commands/prs/create.rs b/src/sub_commands/prs/create.rs
index 82824a1..8506303 100644
--- a/src/sub_commands/prs/create.rs
+++ b/src/sub_commands/prs/create.rs
@@ -103,7 +103,7 @@ pub async fn launch(
     let repo_ref = repo_ref::fetch(
         &git_repo,
         git_repo
-            .get_root_commit(&to_branch)
+            .get_root_commit()
             .context("failed to get root commit of the repository")?
             .to_string(),
         &client,
@@ -111,15 +111,8 @@ pub async fn launch(
     )
     .await?;
 
-    let events = generate_pr_and_patch_events(
-        &title,
-        &description,
-        &to_branch,
-        &git_repo,
-        &ahead,
-        &keys,
-        &repo_ref,
-    )?;
+    let events =
+        generate_pr_and_patch_events(&title, &description, &git_repo, &ahead, &keys, &repo_ref)?;
 
     println!(
         "posting 1 pull request with {} commits...",
@@ -315,14 +308,13 @@ pub static PATCH_KIND: u64 = 1617;
 pub fn generate_pr_and_patch_events(
     title: &str,
     description: &str,
-    to_branch: &str,
     git_repo: &Repo,
     commits: &Vec<Sha1Hash>,
     keys: &nostr::Keys,
     repo_ref: &RepoRef,
 ) -> Result<Vec<nostr::Event>> {
     let root_commit = git_repo
-        .get_root_commit(to_branch)
+        .get_root_commit()
         .context("failed to get root commit of the repository")?;
 
     let mut pr_tags = vec![
diff --git a/src/sub_commands/prs/list.rs b/src/sub_commands/prs/list.rs
index 96004d4..88b325b 100644
--- a/src/sub_commands/prs/list.rs
+++ b/src/sub_commands/prs/list.rs
@@ -27,12 +27,8 @@ pub async fn launch(
 ) -> Result<()> {
     let git_repo = Repo::discover().context("cannot find a git repository")?;
 
-    let (main_or_master_branch_name, _) = git_repo
-        .get_main_or_master_branch()
-        .context("no main or master branch")?;
-
     let root_commit = git_repo
-        .get_root_commit(main_or_master_branch_name)
+        .get_root_commit()
         .context("failed to get root commit of the repository")?;
 
     // TODO: check for empty repo
diff --git a/src/sub_commands/pull.rs b/src/sub_commands/pull.rs
index 342c8bb..c426510 100644
--- a/src/sub_commands/pull.rs
+++ b/src/sub_commands/pull.rs
@@ -22,7 +22,7 @@ pub async fn launch() -> Result<()> {
         .context("no main or master branch")?;
 
     let root_commit = git_repo
-        .get_root_commit(main_or_master_branch_name)
+        .get_root_commit()
         .context("failed to get root commit of the repository")?;
 
     let branch_name = git_repo
diff --git a/src/sub_commands/push.rs b/src/sub_commands/push.rs
index de2a92f..037d512 100644
--- a/src/sub_commands/push.rs
+++ b/src/sub_commands/push.rs
@@ -25,7 +25,7 @@ pub async fn launch(cli_args: &Cli) -> Result<()> {
         .context("no main or master branch")?;
 
     let root_commit = git_repo
-        .get_root_commit(main_or_master_branch_name)
+        .get_root_commit()
         .context("failed to get root commit of the repository")?;
 
     let branch_name = git_repo