3 files changed, 0 insertions, 77 deletions
diff --git a/object/id/algorithm_details.go b/object/id/algorithm_details.go
index 23737ab5..883853c7 100644
--- a/object/id/algorithm_details.go
+++ b/object/id/algorithm_details.go
@@ -9,11 +9,8 @@ import (
 type algorithmDetails struct {
 	name                string
 	size                int
-	packHashID          uint32
-	signatureHeaderName string
 	sum                 func([]byte) ObjectID
 	new                 func() hash.Hash
-	emptyTree           ObjectID
 }
 
 func (algo Algorithm) details() algorithmDetails {
@@ -26,8 +23,6 @@ var algorithmTable = [...]algorithmDetails{
 	AlgorithmSHA1: {
 		name:                "sha1",
 		size:                sha1.Size,
-		packHashID:          1,
-		signatureHeaderName: "gpgsig",
 		sum: func(data []byte) ObjectID {
 			sum := sha1.Sum(data) //#nosec G401
 
@@ -38,13 +33,10 @@ var algorithmTable = [...]algorithmDetails{
 			return id
 		},
 		new:       sha1.New,
-		emptyTree: ObjectID{}, //nolint:exhaustruct
 	},
 	AlgorithmSHA256: {
 		name:                "sha256",
 		size:                sha256.Size,
-		packHashID:          2,
-		signatureHeaderName: "gpgsig-sha256",
 		sum: func(data []byte) ObjectID {
 			sum := sha256.Sum256(data)
 
@@ -55,7 +47,6 @@ var algorithmTable = [...]algorithmDetails{
 			return id
 		},
 		new:       sha256.New,
-		emptyTree: ObjectID{}, //nolint:exhaustruct
 	},
 }
 
@@ -75,14 +66,7 @@ func init() { //nolint:gochecknoinits
 	// Skip over AlgorithmUnknown.
 	for algo := Algorithm(1); int(algo) < len(algorithmTable); algo++ {
 		info := &algorithmTable[algo]
-
-		info.emptyTree = info.sum([]byte("tree 0\x00"))
-
 		algorithmByName[info.name] = algo
-		if info.signatureHeaderName != "" {
-			algorithmBySignatureHeaderName[info.signatureHeaderName] = algo
-		}
-
 		supportedAlgorithms = append(supportedAlgorithms, algo)
 	}
 }
diff --git a/object/id/algorithm_ops.go b/object/id/algorithm_ops.go
index 01d26c08..80f1f9cd 100644
--- a/object/id/algorithm_ops.go
+++ b/object/id/algorithm_ops.go
@@ -2,13 +2,6 @@ package id
 
 import "hash"
 
-// EmptyTree returns the object ID of
-// an empty tree ("tree 0\x00")
-// for this algorithm.
-func (algo Algorithm) EmptyTree() ObjectID {
-	return algo.details().emptyTree
-}
-
 // HexLen returns the encoded hexadecimal length.
 func (algo Algorithm) HexLen() int {
 	return algo.Size() * 2
@@ -29,18 +22,6 @@ func (algo Algorithm) New() (hash.Hash, error) {
 	return newFn(), nil
 }
 
-// PackHashID returns the Git pack/rev hash-id encoding for this algorithm.
-//
-// Unknown algorithms return 0.
-func (algo Algorithm) PackHashID() uint32 {
-	return algo.details().packHashID
-}
-
-// SignatureHeaderName returns the signature header name for this algorithm.
-func (algo Algorithm) SignatureHeaderName() string {
-	return algo.details().signatureHeaderName
-}
-
 // String returns the canonical algorithm name.
 func (algo Algorithm) String() string {
 	return algo.details().name
diff --git a/object/id/algorithm_test.go b/object/id/algorithm_test.go
index 15f61ecb..a596236a 100644
--- a/object/id/algorithm_test.go
+++ b/object/id/algorithm_test.go
@@ -6,39 +6,6 @@ import (
 	"codeberg.org/lindenii/furgit/object/id"
 )
 
-func TestAlgorithmEmptyTree(t *testing.T) {
-	t.Parallel()
-
-	tests := []struct {
-		name string
-		algo id.Algorithm
-		want string
-	}{
-		{
-			name: "sha1",
-			algo: id.AlgorithmSHA1,
-			want: "4b825dc642cb6eb9a060e54bf8d69288fbee4904",
-		},
-		{
-			name: "sha256",
-			algo: id.AlgorithmSHA256,
-			want: "6ef19b41225c5369f1c104d45d8d85efa9b057b53b14b4b9b939dd74decc5321",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			t.Parallel()
-
-			got := tt.algo.EmptyTree()
-
-			if got.String() != tt.want {
-				t.Fatalf("EmptyTree() = %q, want %q", got.String(), tt.want)
-			}
-		})
-	}
-}
-
 func TestParseAlgorithm(t *testing.T) {
 	t.Parallel()
 
@@ -74,12 +41,3 @@ func TestAlgorithmSum(t *testing.T) {
 		t.Fatalf("sha1 and sha256 should differ")
 	}
 }
-
-func TestUnknownAlgorithmEmptyTree(t *testing.T) {
-	t.Parallel()
-
-	got := id.AlgorithmUnknown.EmptyTree()
-	if got != (id.ObjectID{}) {
-		t.Fatalf("EmptyTree() for unknown algorithm = %#v, want zero value", got)
-	}
-}