fix hunk edits with non standard diff options (#1803)

8 files changed, 27 insertions, 7 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 94fa0903..f5d89275 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,7 +25,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * fix commit dialog char count for multibyte characters ([#1726](https://github.com/extrawurst/gitui/issues/1726))
 * fix wrong hit highlighting in fuzzy find popup [[@UUGTech](https://github.com/UUGTech)] ([#1731](https://github.com/extrawurst/gitui/pull/1731))
 * fix symlink support for configuration files [[@TheBlackSheep3](https://github.com/TheBlackSheep3)] ([#1751](https://github.com/extrawurst/gitui/issues/1751))
-* expand `~` in `commit.template` ([#1745](https://github.com/extrawurst/gitui/pull/1745))
+* fix expansion of `~` in `commit.template` ([#1745](https://github.com/extrawurst/gitui/pull/1745))
+* fix hunk (un)staging/reset for # of context lines != 3 ([#1746](https://github.com/extrawurst/gitui/issues/1746))
 
 ## [0.23.0] - 2022-06-19
 
diff --git a/asyncgit/src/sync/hunks.rs b/asyncgit/src/sync/hunks.rs
index d5d89601..672f9d66 100644
--- a/asyncgit/src/sync/hunks.rs
+++ b/asyncgit/src/sync/hunks.rs
@@ -1,5 +1,5 @@
 use super::{
-	diff::{get_diff_raw, HunkHeader},
+	diff::{get_diff_raw, DiffOptions, HunkHeader},
 	RepoPath,
 };
 use crate::{
@@ -15,12 +15,13 @@ pub fn stage_hunk(
 	repo_path: &RepoPath,
 	file_path: &str,
 	hunk_hash: u64,
+	options: Option<DiffOptions>,
 ) -> Result<()> {
 	scope_time!("stage_hunk");
 
 	let repo = repo(repo_path)?;
 
-	let diff = get_diff_raw(&repo, file_path, false, false, None)?;
+	let diff = get_diff_raw(&repo, file_path, false, false, options)?;
 
 	let mut opt = ApplyOptions::new();
 	opt.hunk_callback(|hunk| {
@@ -40,12 +41,13 @@ pub fn reset_hunk(
 	repo_path: &RepoPath,
 	file_path: &str,
 	hunk_hash: u64,
+	options: Option<DiffOptions>,
 ) -> Result<()> {
 	scope_time!("reset_hunk");
 
 	let repo = repo(repo_path)?;
 
-	let diff = get_diff_raw(&repo, file_path, false, false, None)?;
+	let diff = get_diff_raw(&repo, file_path, false, false, options)?;
 
 	let hunk_index = find_hunk_index(&diff, hunk_hash);
 	if let Some(hunk_index) = hunk_index {
@@ -98,12 +100,13 @@ pub fn unstage_hunk(
 	repo_path: &RepoPath,
 	file_path: &str,
 	hunk_hash: u64,
+	options: Option<DiffOptions>,
 ) -> Result<bool> {
 	scope_time!("revert_hunk");
 
 	let repo = repo(repo_path)?;
 
-	let diff = get_diff_raw(&repo, file_path, true, false, None)?;
+	let diff = get_diff_raw(&repo, file_path, true, false, options)?;
 	let diff_count_positive = diff.deltas().len();
 
 	let hunk_index = find_hunk_index(&diff, hunk_hash);
@@ -112,7 +115,7 @@ pub fn unstage_hunk(
 		Ok,
 	)?;
 
-	let diff = get_diff_raw(&repo, file_path, true, true, None)?;
+	let diff = get_diff_raw(&repo, file_path, true, true, options)?;
 
 	if diff.deltas().len() != diff_count_positive {
 		return Err(Error::Generic(format!(
@@ -182,6 +185,7 @@ mod tests {
 			repo_path,
 			file_path.to_str().unwrap(),
 			diff.hunks[0].header_hash,
+			None,
 		)
 		.is_err());
 
diff --git a/src/app.rs b/src/app.rs
index 1811b508..848c4e6b 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -991,7 +991,12 @@ impl App {
 				flags.insert(NeedsUpdate::ALL);
 			}
 			Action::ResetHunk(path, hash) => {
-				sync::reset_hunk(&self.repo.borrow(), &path, hash)?;
+				sync::reset_hunk(
+					&self.repo.borrow(),
+					&path,
+					hash,
+					Some(self.options.borrow().diff_options()),
+				)?;
 				flags.insert(NeedsUpdate::ALL);
 			}
 			Action::ResetLines(path, lines) => {
diff --git a/src/components/compare_commits.rs b/src/components/compare_commits.rs
index bd92750a..db5ea23c 100644
--- a/src/components/compare_commits.rs
+++ b/src/components/compare_commits.rs
@@ -191,6 +191,7 @@ impl CompareCommitsComponent {
 				theme,
 				key_config.clone(),
 				true,
+				options.clone(),
 			),
 			open_request: None,
 			git_diff: AsyncDiff::new(repo.borrow().clone(), sender),
diff --git a/src/components/diff.rs b/src/components/diff.rs
index bec75722..d4051271 100644
--- a/src/components/diff.rs
+++ b/src/components/diff.rs
@@ -6,6 +6,7 @@ use super::{
 use crate::{
 	components::{CommandInfo, Component, EventState},
 	keys::{key_match, SharedKeyConfig},
+	options::SharedOptions,
 	queue::{Action, InternalEvent, NeedsUpdate, Queue, ResetItem},
 	string_utils::tabs_to_spaces,
 	string_utils::trim_offset,
@@ -117,6 +118,7 @@ pub struct DiffComponent {
 	theme: SharedTheme,
 	key_config: SharedKeyConfig,
 	is_immutable: bool,
+	options: SharedOptions,
 }
 
 impl DiffComponent {
@@ -127,6 +129,7 @@ impl DiffComponent {
 		theme: SharedTheme,
 		key_config: SharedKeyConfig,
 		is_immutable: bool,
+		options: SharedOptions,
 	) -> Self {
 		Self {
 			focused: false,
@@ -144,6 +147,7 @@ impl DiffComponent {
 			key_config,
 			is_immutable,
 			repo,
+			options,
 		}
 	}
 	///
@@ -503,6 +507,7 @@ impl DiffComponent {
 					&self.repo.borrow(),
 					&self.current.path,
 					hash,
+					Some(self.options.borrow().diff_options()),
 				)?;
 				self.queue_update();
 			}
@@ -525,6 +530,7 @@ impl DiffComponent {
 						&self.repo.borrow(),
 						&self.current.path,
 						hash,
+						Some(self.options.borrow().diff_options()),
 					)?;
 				}
 
diff --git a/src/components/file_revlog.rs b/src/components/file_revlog.rs
index 7d6dbc2b..fa571bde 100644
--- a/src/components/file_revlog.rs
+++ b/src/components/file_revlog.rs
@@ -89,6 +89,7 @@ impl FileRevlogComponent {
 				theme,
 				key_config.clone(),
 				true,
+				options.clone(),
 			),
 			git_log: None,
 			git_diff: AsyncDiff::new(
diff --git a/src/components/inspect_commit.rs b/src/components/inspect_commit.rs
index 0ddcd30b..664e6c2d 100644
--- a/src/components/inspect_commit.rs
+++ b/src/components/inspect_commit.rs
@@ -227,6 +227,7 @@ impl InspectCommitComponent {
 				theme,
 				key_config.clone(),
 				true,
+				options.clone(),
 			),
 			open_request: None,
 			git_diff: AsyncDiff::new(repo.borrow().clone(), sender),
diff --git a/src/tabs/status.rs b/src/tabs/status.rs
index 0539d5ba..ec49cdc1 100644
--- a/src/tabs/status.rs
+++ b/src/tabs/status.rs
@@ -195,6 +195,7 @@ impl Status {
 				theme,
 				key_config.clone(),
 				false,
+				options.clone(),
 			),
 			git_diff: AsyncDiff::new(repo_clone.clone(), sender),
 			git_status_workdir: AsyncStatus::new(