feat: use gix for parsing git information in mitre/git plugin

hipcheck-common/src/chunk.rs

@@ -223,9 +223,7 @@ mod test {
 		let res = match chunk_with_size(query, 10) {
 			Ok(r) => r,
 			Err(e) => {
-				println!("{e}");
-				assert!(false);
-				return;
+				panic!("{e}");
 			}
 		};
 		assert_eq!(res.len(), 4);

hipcheck/src/policy_exprs/mod.rs

@@ -291,7 +291,7 @@ mod tests {
 		let program =
 			"(eq 3 (count (filter (gt 8.0) (foreach (sub 1.0) [1.0 2.0 10.0 20.0 30.0]))))";
 		let context = Value::Null;
-		let expr = parse(&program).unwrap();
+		let expr = parse(program).unwrap();
 		println!("EXPR: {:?}", &expr);
 		let expr = FunctionResolver::std().run(expr).unwrap();
 		let expr = TypeFixer::std().run(expr).unwrap();
@@ -352,13 +352,12 @@ mod tests {
 	#[test]
 	fn type_lambda() {
 		let program = "(gt #t)";
-		let expr = parse(&program).unwrap();
+		let expr = parse(program).unwrap();
 		let expr = FunctionResolver::std().run(expr).unwrap();
 		let expr = TypeFixer::std().run(expr).unwrap();
 		let res_ty = TypeChecker::default().run(&expr);
 		let Ok(Type::Lambda(l_ty)) = res_ty else {
-			assert!(false);
-			return;
+			panic!();
 		};
 		let ret_ty = l_ty.get_return_type();
 		assert_eq!(ret_ty, Ok(ReturnableType::Primitive(PrimitiveType::Bool)));
@@ -368,7 +367,7 @@ mod tests {
 	fn type_filter_bad_lambda_array() {
 		// Should fail because can't compare ints and bools
 		let program = "(filter (gt #t) [1 2])";
-		let expr = parse(&program).unwrap();
+		let expr = parse(program).unwrap();
 		let expr = FunctionResolver::std().run(expr).unwrap();
 		let expr = TypeFixer::std().run(expr).unwrap();
 		let res_ty = TypeChecker::default().run(&expr);
@@ -386,7 +385,7 @@ mod tests {
 	fn type_array_mixed_types() {
 		// Should fail because array elts must have one primitive type
 		let program = "(count [#t 2])";
-		let mut expr = parse(&program).unwrap();
+		let mut expr = parse(program).unwrap();
 		expr = FunctionResolver::std().run(expr).unwrap();
 		let res_ty = TypeChecker::default().run(&expr);
 		assert_eq!(
@@ -403,26 +402,24 @@ mod tests {
 	fn type_propagate_unknown() {
 		// Type for array should be unknown because we can't know ident type
 		let program = "(max [])";
-		let mut expr = parse(&program).unwrap();
+		let mut expr = parse(program).unwrap();
 		expr = FunctionResolver::std().run(expr).unwrap();
 		let res_ty = TypeChecker::default().run(&expr);
 		let Ok(Type::Function(f_ty)) = res_ty else {
-			assert!(false);
-			return;
+			panic!()
 		};
 		assert_eq!(f_ty.get_return_type(), Ok(ReturnableType::Unknown));
 	}
 
 	#[test]
 	fn type_not() {
 		let program = "(not $)";
-		let mut expr = parse(&program).unwrap();
+		let mut expr = parse(program).unwrap();
 		expr = FunctionResolver::std().run(expr).unwrap();
 		let res_ty = TypeChecker::default().run(&expr);
 		println!("RESTY: {res_ty:?}");
 		let Ok(Type::Function(f_ty)) = res_ty else {
-			assert!(false);
-			return;
+			panic!()
 		};
 		let ret_ty = f_ty.get_return_type();
 		assert_eq!(ret_ty, Ok(ReturnableType::Primitive(PrimitiveType::Bool)));
@@ -433,7 +430,7 @@ mod tests {
 		let programs = vec!["(not $)", "(gt 0)", "(filter (gt 0) $/alpha)"];
 
 		for program in programs {
-			let mut expr = parse(&program).unwrap();
+			let mut expr = parse(program).unwrap();
 			expr = FunctionResolver::std().run(expr).unwrap();
 			expr = TypeFixer::std().run(expr).unwrap();
 			let string = expr.to_string();

plugins/git/Cargo.toml

@@ -12,9 +12,12 @@ clap = { version = "4.5.23", features = ["derive"] }
 hipcheck-sdk = { version = "0.2.0", path = "../../sdk/rust", features = [
     "macros",
 ] }
+gix = { version = "0.68.0", default-features = false, features = [
+    "basic",
+    "max-performance",
+] }
 jiff = { version = "0.1.14", features = ["serde"] }
 log = "0.4.22"
-nom = "7.1.3"
 once_cell = "1.10.0"
 schemars = { version = "0.8.21", features = ["url"] }
 semver = "1.0.9"

plugins/git/src/data.rs

@@ -6,7 +6,6 @@ use serde::{Deserialize, Serialize};
 use std::{
 	fmt::{self, Display, Formatter},
 	hash::Hash,
-	sync::Arc,
 };
 
 /// A locally stored git repo, with optional additional details
@@ -21,15 +20,44 @@ pub struct DetailedGitRepo {
 }
 
 /// Commits as they come directly out of `git log`.
-#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, Hash)]
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
 pub struct RawCommit {
 	pub hash: String,
 
 	pub author: Contributor,
-	pub written_on: Result<String, String>,
+	pub written_on: Result<jiff::Timestamp, String>,
 
 	pub committer: Contributor,
-	pub committed_on: Result<String, String>,
+	pub committed_on: Result<jiff::Timestamp, String>,
+}
+
+impl TryFrom<gix::Commit<'_>> for RawCommit {
+	type Error = anyhow::Error;
+
+	fn try_from(value: gix::Commit<'_>) -> Result<Self, Self::Error> {
+		let commit_author = value.author()?;
+		let author = Contributor {
+			name: commit_author.name.to_string(),
+			email: commit_author.email.to_string(),
+		};
+		let written_on =
+			jiff::Timestamp::from_second(commit_author.time.seconds).map_err(|x| x.to_string());
+		let commit_committer = value.committer()?;
+		let committer = Contributor {
+			name: commit_committer.name.to_string(),
+			email: commit_committer.email.to_string(),
+		};
+		let committed_on =
+			jiff::Timestamp::from_second(commit_committer.time.seconds).map_err(|x| x.to_string());
+
+		Ok(Self {
+			hash: value.id().to_string(),
+			author,
+			written_on,
+			committer,
+			committed_on,
+		})
+	}
 }
 
 /// Commits as understood in Hipcheck's data model.
@@ -39,12 +67,20 @@ pub struct RawCommit {
 #[derive(Debug, Serialize, Clone, PartialEq, Eq, Hash, JsonSchema)]
 pub struct Commit {
 	pub hash: String,
-
 	pub written_on: Result<String, String>,
-
 	pub committed_on: Result<String, String>,
 }
 
+impl From<RawCommit> for Commit {
+	fn from(value: RawCommit) -> Self {
+		Self {
+			hash: value.hash,
+			written_on: value.written_on.map(|x| x.to_string()),
+			committed_on: value.committed_on.map(|x| x.to_string()),
+		}
+	}
+}
+
 impl Display for Commit {
 	fn fmt(&self, f: &mut Formatter) -> fmt::Result {
 		write!(f, "{}", self.hash)
@@ -98,39 +134,58 @@ pub struct CommitDiff {
 	pub diff: Diff,
 }
 
+impl CommitDiff {
+	pub fn new(commit: Commit, diff: Diff) -> Self {
+		Self { commit, diff }
+	}
+}
+
 impl Display for CommitDiff {
 	fn fmt(&self, f: &mut Formatter) -> fmt::Result {
 		write!(
 			f,
 			"{} +{} -{}",
-			self.commit,
-			self.diff
-				.additions
-				.map(|n| n.to_string())
-				.as_deref()
-				.unwrap_or("<unknown>"),
-			self.diff
-				.deletions
-				.map(|n| n.to_string())
-				.as_deref()
-				.unwrap_or("<unknown>")
+			self.commit, self.diff.additions, self.diff.deletions
 		)
 	}
 }
 
 /// A set of changes in a commit.
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 pub struct Diff {
-	pub additions: Option<i64>,
-	pub deletions: Option<i64>,
+	pub additions: i64,
+	pub deletions: i64,
 	pub file_diffs: Vec<FileDiff>,
 }
 
 /// A set of changes to a specific file in a commit.
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 pub struct FileDiff {
-	pub file_name: Arc<String>,
-	pub additions: Option<i64>,
-	pub deletions: Option<i64>,
+	pub file_name: String,
+	pub additions: i64,
+	pub deletions: i64,
 	pub patch: String,
 }
+
+impl FileDiff {
+	pub fn new(file_name: String) -> Self {
+		Self {
+			file_name,
+			additions: 0,
+			deletions: 0,
+			patch: String::new(),
+		}
+	}
+
+	pub fn increment_additions(&mut self, additions: i64) {
+		self.additions += additions
+	}
+
+	pub fn increment_deletions(&mut self, deletions: i64) {
+		self.deletions += deletions
+	}
+
+	pub fn set_patch(&mut self, patch_data: String) {
+		self.patch = patch_data;
+	}
+}