fix!: respect diff.algorithm in Repository::blame_file

gix/Cargo.toml

@@ -145,7 +145,7 @@ blob-diff = ["gix-diff/blob", "attributes"]
 merge = ["tree-editor", "blob-diff", "dep:gix-merge", "attributes"]
 
 ## Add blame command similar to `git blame`.
-blame = ["dep:gix-blame"]
+blame = ["dep:gix-blame", "blob-diff"]
 
 ## Make it possible to turn a tree into a stream of bytes, which can be decoded to entries and turned into various other formats.
 worktree-stream = ["gix-worktree-stream", "attributes"]

gix/src/repository/blame.rs

@@ -13,11 +13,30 @@ impl Repository {
         &self,
         file_path: &BStr,
         suspect: impl Into<ObjectId>,
-        options: gix_blame::Options,
+        options: blame_file::Options,
     ) -> Result<gix_blame::Outcome, blame_file::Error> {
-        let cache: Option<gix_commitgraph::Graph> = self.commit_graph_if_enabled()?;
+        let cache = self.commit_graph_if_enabled()?;
         let mut resource_cache = self.diff_resource_cache_for_tree_diff()?;
 
+        let blame_file::Options {
+            diff_algorithm,
+            ranges,
+            since,
+            rewrites,
+        } = options;
+        let diff_algorithm = match diff_algorithm {
+            Some(diff_algorithm) => diff_algorithm,
+            None => self.diff_algorithm()?,
+        };
+
+        let options = gix_blame::Options {
+            diff_algorithm,
+            ranges,
+            since,
+            rewrites,
+            debug_track_path: false,
+        };
+
         let outcome = gix_blame::file(
             &self.objects,
             suspect.into(),

gix/src/repository/mod.rs

@@ -19,6 +19,7 @@ pub enum Kind {
 
 #[cfg(any(feature = "attributes", feature = "excludes"))]
 pub mod attributes;
+///
 #[cfg(feature = "blame")]
 mod blame;
 mod cache;
@@ -96,13 +97,28 @@ mod new_commit_as {
 ///
 #[cfg(feature = "blame")]
 pub mod blame_file {
+    /// Options to be passed to [Repository::blame_file()](crate::Repository::blame_file()).
+    #[derive(Default, Debug, Clone)]
+    pub struct Options {
+        /// The algorithm to use for diffing. If `None`, `diff.algorithm` will be used.
+        pub diff_algorithm: Option<gix_diff::blob::Algorithm>,
+        /// The ranges to blame in the file.
+        pub ranges: gix_blame::BlameRanges,
+        /// Don't consider commits before the given date.
+        pub since: Option<gix_date::Time>,
+        /// Determine if rename tracking should be performed, and how.
+        pub rewrites: Option<gix_diff::Rewrites>,
+    }
+
     /// The error returned by [Repository::blame_file()](crate::Repository::blame_file()).
     #[derive(Debug, thiserror::Error)]
     #[allow(missing_docs)]
     pub enum Error {
         #[error(transparent)]
         CommitGraphIfEnabled(#[from] super::commit_graph_if_enabled::Error),
         #[error(transparent)]
+        DiffAlgorithm(#[from] crate::config::diff::algorithm::Error),
+        #[error(transparent)]
         DiffResourceCache(#[from] super::diff_resource_cache::Error),
         #[error(transparent)]
         Blame(#[from] gix_blame::Error),

gix/tests/gix/repository/blame.rs

@@ -17,7 +17,7 @@ fn simple() -> crate::Result {
 fn with_options() -> crate::Result {
     let repo = crate::named_repo("make_blame_repo.sh")?;
 
-    let options = gix::blame::Options {
+    let options = gix::repository::blame_file::Options {
         ranges: gix::blame::BlameRanges::from_one_based_inclusive_range(1..=2)?,
         ..Default::default()
     };

tests/journey/ein.sh

@@ -1,5 +1,10 @@
 # Must be sourced into the main journey test
 
+
+function remove-thread-id {
+  sed -E 's/ \([0-9]+\)//'
+}
+
 if test "$kind" = "max" || test "$kind" = "max-pure"; then
 title "Porcelain ${kind}"
 (
@@ -8,21 +13,24 @@ title "Porcelain ${kind}"
     (with "the --quiet option set"
       it "fails as expected" && {
         WITH_SNAPSHOT="$snapshot/expected-failure" \
-        expect_run_sh 101 "$exe -q panic"
+        SNAPSHOT_FILTER=remove-thread-id \
+        expect_run_sh 0 "$exe -q panic"
       }
     )
 
     (with "NO --quiet option set"
       it "fails as expected" && {
         WITH_SNAPSHOT="$snapshot/expected-failure-in-thread" \
-        expect_run_sh 101 "$exe panic"
+        SNAPSHOT_FILTER=remove-thread-id \
+        expect_run_sh 0 "$exe panic"
       }
     )
     (not_on_ci # due to different TTY settings, the output differs, it's OK for now
       (with "progress option set"
         it "fails as expected" && {
           WITH_SNAPSHOT="$snapshot/expected-failure-in-thread-with-progress" \
-          expect_run_sh 101 "$exe --progress panic"
+        SNAPSHOT_FILTER=remove-thread-id \
+          expect_run_sh 0 "$exe --progress panic"
         }
       )
     )