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refactor: Reduce cognitive complexity of 'validate_position'
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Browse source 
Closes kemitix/git-next#83
This commit is contained in:
Paul Campbell 2024-07-16 19:59:11 +01:00
parent c104dfedc1
commit 92ebd45307
1 changed files with 0 additions and 12 deletions
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12
crates/git/src/validation/positions.rs
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@ -12,7 +12,6 @@ pub struct Positions {
pub dev_commit_history: Vec<git::Commit>, pub dev_commit_history: Vec<git::Commit>,
} }
#[allow(clippy::cognitive_complexity)] // TODO: (#83) reduce complexity
pub fn validate_positions( pub fn validate_positions(
open_repository: &dyn git::repository::OpenRepositoryLike, open_repository: &dyn git::repository::OpenRepositoryLike,
repo_details: &git::RepoDetails, repo_details: &git::RepoDetails,
@ -21,39 +20,31 @@ pub fn validate_positions(
let main_branch = repo_config.branches().main(); let main_branch = repo_config.branches().main();
let next_branch = repo_config.branches().next(); let next_branch = repo_config.branches().next();
let dev_branch = repo_config.branches().dev(); let dev_branch = repo_config.branches().dev();
tracing::debug!(%main_branch, %next_branch, %dev_branch, "branches");
// Collect Commit Histories for `main`, `next` and `dev` branches // Collect Commit Histories for `main`, `next` and `dev` branches
open_repository.fetch()?; open_repository.fetch()?;
tracing::debug!("fetch okay");
let commit_histories = get_commit_histories(open_repository, &repo_config)?; let commit_histories = get_commit_histories(open_repository, &repo_config)?;
tracing::debug!(?commit_histories, "get commit histories okay");
// branch tips // branch tips
let main = let main =
commit_histories.main.first().cloned().ok_or_else(|| { commit_histories.main.first().cloned().ok_or_else(|| {
Error::NonRetryable(format!("Branch has no commits: {}", main_branch)) Error::NonRetryable(format!("Branch has no commits: {}", main_branch))
})?; })?;
tracing::debug!("main branch okay");
let next = let next =
commit_histories.next.first().cloned().ok_or_else(|| { commit_histories.next.first().cloned().ok_or_else(|| {
Error::NonRetryable(format!("Branch has no commits: {}", next_branch)) Error::NonRetryable(format!("Branch has no commits: {}", next_branch))
})?; })?;
tracing::debug!("next branch okay");
let dev = commit_histories let dev = commit_histories
.dev .dev
.first() .first()
.cloned() .cloned()
.ok_or_else(|| Error::NonRetryable(format!("Branch has no commits: {}", dev_branch)))?; .ok_or_else(|| Error::NonRetryable(format!("Branch has no commits: {}", dev_branch)))?;
tracing::debug!("dev branch okay");
// Validations: // Validations:
// Dev must be on main branch, else the USER must rebase it // Dev must be on main branch, else the USER must rebase it
if is_not_based_on(&commit_histories.dev, &main) { if is_not_based_on(&commit_histories.dev, &main) {
tracing::warn!("Dev '{dev_branch}' not based on main '{main_branch}' - user must rebase",);
return Err(Error::NonRetryable(format!( return Err(Error::NonRetryable(format!(
"Branch '{}' not based on '{}'", "Branch '{}' not based on '{}'",
dev_branch, main_branch dev_branch, main_branch
))); )));
} }
tracing::debug!("dev based on main okay");
// verify that next is on main or at most one commit on top of main, else reset it back to main // verify that next is on main or at most one commit on top of main, else reset it back to main
if is_not_based_on( if is_not_based_on(
commit_histories commit_histories
@ -68,14 +59,11 @@ pub fn validate_positions(
tracing::info!("Main not on same commit as next, or it's parent - resetting next to main",); tracing::info!("Main not on same commit as next, or it's parent - resetting next to main",);
return reset_next_to_main(open_repository, repo_details, &main, &next, &next_branch); return reset_next_to_main(open_repository, repo_details, &main, &next, &next_branch);
} }
tracing::debug!("next on or near main okay");
// verify that next is an ancestor of dev, else reset it back to main // verify that next is an ancestor of dev, else reset it back to main
if is_not_based_on(&commit_histories.dev, &next) { if is_not_based_on(&commit_histories.dev, &next) {
tracing::info!("Next is not an ancestor of dev - resetting next to main"); tracing::info!("Next is not an ancestor of dev - resetting next to main");
return reset_next_to_main(open_repository, repo_details, &main, &next, &next_branch); return reset_next_to_main(open_repository, repo_details, &main, &next, &next_branch);
} }
tracing::debug!("dev based on next okay");
Ok(git::validation::positions::Positions { Ok(git::validation::positions::Positions {
main, main,
next, next,