add option to just commit and not push

src/add.rs

@@ -1,12 +1,17 @@
 use crate::{
     change_type, changelog, config, entry,
     errors::AddError,
-    github::{extract_pr_info, get_git_info, get_open_pr, PRInfo},
+    github::{commit, extract_pr_info, get_git_info, get_open_pr, PRInfo},
     inputs, release,
 };
 use std::borrow::BorrowMut;
 
 // Runs the logic to add an entry to the unreleased section of the changelog.
+//
+// After adding the new entry, the user is queried for a commit message to use
+// to commit the changes.
+//
+// NOTE: the changes are NOT pushed to the origin when running the `add` command.
 pub async fn run(accept: bool) -> Result<(), AddError> {
     let config = config::load()?;
     let git_info = get_git_info(&config)?;
@@ -68,7 +73,10 @@ pub async fn run(accept: bool) -> Result<(), AddError> {
         pr_number,
     );
 
-    Ok(changelog.write(&changelog.path)?)
+    changelog.write(&changelog.path)?;
+
+    let cm = inputs::get_commit_message(&config)?;
+    Ok(commit(cm.as_str())?)
 }
 
 /// Adds the given contents into a new entry in the unreleased section

src/github.rs

@@ -121,6 +121,8 @@ fn get_current_local_branch() -> Result<String, GitHubError> {
 
 /// Commits the current changes with the given commit message and pushes to the origin.
 pub fn commit_and_push(message: &str) -> Result<(), GitHubError> {
+    stage_changelog_changes()?;
+
     match Command::new("git")
         .args(vec!["commit", "-a", "-m", message])
         .status()?
@@ -131,6 +133,35 @@ pub fn commit_and_push(message: &str) -> Result<(), GitHubError> {
     }
 }
 
+/// Commits the current changes with the given commit message and pushes to the origin.
+pub fn commit(message: &str) -> Result<(), GitHubError> {
+    stage_changelog_changes()?;
+
+    if !Command::new("git")
+        .args(vec!["commit", "-m", message])
+        .status()?
+        .success()
+    {
+        return Err(GitHubError::FailedToCommit);
+    }
+
+    Ok(())
+}
+
+/// Adds the changelog to the staged changes in Git.
+fn stage_changelog_changes() -> Result<(), GitHubError> {
+    // TODO: pass the changelog filename / path
+    if !Command::new("git")
+        .args(vec!["add", "CHANGELOG.md"])
+        .status()?
+        .success()
+    {
+        return Err(GitHubError::FailedToCommit)
+    }
+
+    Ok(())
+}
+
 /// Tries to push the latest commits on the current branch.
 pub fn push() -> Result<(), GitHubError> {
     match Command::new("git")