format: Move commitgraph and packfile here

177 files changed, 50 insertions, 42 deletions

diff --git a/cmd/index-pack/main.go b/cmd/index-pack/main.go
index 69cf648a..30de3917 100644
--- a/cmd/index-pack/main.go
+++ b/cmd/index-pack/main.go
@@ -10,7 +10,7 @@ import (
 
 	objectid "codeberg.org/lindenii/furgit/object/id"
 	objectstorer "codeberg.org/lindenii/furgit/object/storer"
-	"codeberg.org/lindenii/furgit/packfile/ingest"
+	"codeberg.org/lindenii/furgit/format/packfile/ingest"
 	"codeberg.org/lindenii/furgit/repository"
 )
 
diff --git a/commitquery/commit.go b/commitquery/commit.go
index 8e60e3fd..dff6a91c 100644
--- a/commitquery/commit.go
+++ b/commitquery/commit.go
@@ -1,7 +1,7 @@
 package commitquery
 
 import (
-	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 )
 
diff --git a/commitquery/context.go b/commitquery/context.go
index df8ddd97..74f094b1 100644
--- a/commitquery/context.go
+++ b/commitquery/context.go
@@ -2,7 +2,7 @@
 package commitquery
 
 import (
-	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 	objectstorer "codeberg.org/lindenii/furgit/object/storer"
 )
diff --git a/commitquery/graph_pos.go b/commitquery/graph_pos.go
index b1d27129..b5bc02d8 100644
--- a/commitquery/graph_pos.go
+++ b/commitquery/graph_pos.go
@@ -1,6 +1,6 @@
 package commitquery
 
-import commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+import commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 
 // resolveGraphPos resolves one commit-graph position to one internal query node.
 func (query *Query) resolveGraphPos(pos commitgraphread.Position) (nodeIndex, error) {
diff --git a/commitquery/node.go b/commitquery/node.go
index 5b1c7142..c0f25c55 100644
--- a/commitquery/node.go
+++ b/commitquery/node.go
@@ -1,7 +1,7 @@
 package commitquery
 
 import (
-	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 )
 
diff --git a/commitquery/oid.go b/commitquery/oid.go
index 0308c85e..7f1e9db1 100644
--- a/commitquery/oid.go
+++ b/commitquery/oid.go
@@ -3,7 +3,7 @@ package commitquery
 import (
 	stderrors "errors"
 
-	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 	giterrors "codeberg.org/lindenii/furgit/errors"
 	"codeberg.org/lindenii/furgit/internal/peel"
 	objectcommit "codeberg.org/lindenii/furgit/object/commit"
diff --git a/commitquery/parent.go b/commitquery/parent.go
index 41877975..e7703f77 100644
--- a/commitquery/parent.go
+++ b/commitquery/parent.go
@@ -1,7 +1,7 @@
 package commitquery
 
 import (
-	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 )
 
diff --git a/commitgraph/TODO b/format/commitgraph/TODO
index 87e0888d..87e0888d 100644
--- a/commitgraph/TODO
+++ b/format/commitgraph/TODO
diff --git a/commitgraph/bloom/bloom.go b/format/commitgraph/bloom/bloom.go
index 9653d595..9653d595 100644
--- a/commitgraph/bloom/bloom.go
+++ b/format/commitgraph/bloom/bloom.go
diff --git a/commitgraph/bloom/constants.go b/format/commitgraph/bloom/constants.go
index 958e551e..958e551e 100644
--- a/commitgraph/bloom/constants.go
+++ b/format/commitgraph/bloom/constants.go
diff --git a/commitgraph/bloom/contain.go b/format/commitgraph/bloom/contain.go
index 331b7687..331b7687 100644
--- a/commitgraph/bloom/contain.go
+++ b/format/commitgraph/bloom/contain.go
diff --git a/commitgraph/bloom/errors.go b/format/commitgraph/bloom/errors.go
index fe38d1bc..fe38d1bc 100644
--- a/commitgraph/bloom/errors.go
+++ b/format/commitgraph/bloom/errors.go
diff --git a/commitgraph/bloom/filter.go b/format/commitgraph/bloom/filter.go
index 395dd5ce..395dd5ce 100644
--- a/commitgraph/bloom/filter.go
+++ b/format/commitgraph/bloom/filter.go
diff --git a/commitgraph/bloom/key.go b/format/commitgraph/bloom/key.go
index a15df904..a15df904 100644
--- a/commitgraph/bloom/key.go
+++ b/format/commitgraph/bloom/key.go
diff --git a/commitgraph/bloom/murmur.go b/format/commitgraph/bloom/murmur.go
index 363b63ae..363b63ae 100644
--- a/commitgraph/bloom/murmur.go
+++ b/format/commitgraph/bloom/murmur.go
diff --git a/commitgraph/bloom/settings.go b/format/commitgraph/bloom/settings.go
index 764653bd..764653bd 100644
--- a/commitgraph/bloom/settings.go
+++ b/format/commitgraph/bloom/settings.go
diff --git a/commitgraph/constants.go b/format/commitgraph/constants.go
index 3a06a290..3a06a290 100644
--- a/commitgraph/constants.go
+++ b/format/commitgraph/constants.go
diff --git a/commitgraph/doc.go b/format/commitgraph/doc.go
index abf5f3d3..abf5f3d3 100644
--- a/commitgraph/doc.go
+++ b/format/commitgraph/doc.go
diff --git a/commitgraph/read/bloom.go b/format/commitgraph/read/bloom.go
index eca88c36..12dd6db3 100644
--- a/commitgraph/read/bloom.go
+++ b/format/commitgraph/read/bloom.go
@@ -3,7 +3,7 @@ package read
 import (
 	"encoding/binary"
 
-	"codeberg.org/lindenii/furgit/commitgraph/bloom"
+	"codeberg.org/lindenii/furgit/format/commitgraph/bloom"
 	"codeberg.org/lindenii/furgit/internal/intconv"
 )
 
diff --git a/commitgraph/read/close.go b/format/commitgraph/read/close.go
index f8b6141a..f8b6141a 100644
--- a/commitgraph/read/close.go
+++ b/format/commitgraph/read/close.go
diff --git a/commitgraph/read/commitat.go b/format/commitgraph/read/commitat.go
index a39c5ccd..a39c5ccd 100644
--- a/commitgraph/read/commitat.go
+++ b/format/commitgraph/read/commitat.go
diff --git a/commitgraph/read/commits.go b/format/commitgraph/read/commits.go
index 48984ecb..48984ecb 100644
--- a/commitgraph/read/commits.go
+++ b/format/commitgraph/read/commits.go
diff --git a/commitgraph/read/doc.go b/format/commitgraph/read/doc.go
index 573ddc19..573ddc19 100644
--- a/commitgraph/read/doc.go
+++ b/format/commitgraph/read/doc.go
diff --git a/commitgraph/read/edges.go b/format/commitgraph/read/edges.go
index 33a6c9fc..96ffeb6d 100644
--- a/commitgraph/read/edges.go
+++ b/format/commitgraph/read/edges.go
@@ -3,7 +3,7 @@ package read
 import (
 	"encoding/binary"
 
-	"codeberg.org/lindenii/furgit/commitgraph"
+	"codeberg.org/lindenii/furgit/format/commitgraph"
 	"codeberg.org/lindenii/furgit/internal/intconv"
 )
 
diff --git a/commitgraph/read/errors.go b/format/commitgraph/read/errors.go
index 0a32a368..0a32a368 100644
--- a/commitgraph/read/errors.go
+++ b/format/commitgraph/read/errors.go
diff --git a/commitgraph/read/generation.go b/format/commitgraph/read/generation.go
index 53dabe2d..62e47996 100644
--- a/commitgraph/read/generation.go
+++ b/format/commitgraph/read/generation.go
@@ -3,7 +3,7 @@ package read
 import (
 	"encoding/binary"
 
-	"codeberg.org/lindenii/furgit/commitgraph"
+	"codeberg.org/lindenii/furgit/format/commitgraph"
 	"codeberg.org/lindenii/furgit/internal/intconv"
 )
 
diff --git a/commitgraph/read/hash.go b/format/commitgraph/read/hash.go
index 3a525afe..3a525afe 100644
--- a/commitgraph/read/hash.go
+++ b/format/commitgraph/read/hash.go
diff --git a/commitgraph/read/iterators.go b/format/commitgraph/read/iterators.go
index 85c56ff1..85c56ff1 100644
--- a/commitgraph/read/iterators.go
+++ b/format/commitgraph/read/iterators.go
diff --git a/commitgraph/read/layer.go b/format/commitgraph/read/layer.go
index 3b8abcd2..53ab1663 100644
--- a/commitgraph/read/layer.go
+++ b/format/commitgraph/read/layer.go
@@ -3,7 +3,7 @@ package read
 import (
 	"os"
 
-	"codeberg.org/lindenii/furgit/commitgraph/bloom"
+	"codeberg.org/lindenii/furgit/format/commitgraph/bloom"
 )
 
 type layer struct {
diff --git a/commitgraph/read/layer_close.go b/format/commitgraph/read/layer_close.go
index 03dc91d5..03dc91d5 100644
--- a/commitgraph/read/layer_close.go
+++ b/format/commitgraph/read/layer_close.go
diff --git a/commitgraph/read/layer_lookup.go b/format/commitgraph/read/layer_lookup.go
index 84095788..84095788 100644
--- a/commitgraph/read/layer_lookup.go
+++ b/format/commitgraph/read/layer_lookup.go
diff --git a/commitgraph/read/layer_open.go b/format/commitgraph/read/layer_open.go
index 3ecd4672..21a97644 100644
--- a/commitgraph/read/layer_open.go
+++ b/format/commitgraph/read/layer_open.go
@@ -4,7 +4,7 @@ import (
 	"os"
 	"syscall"
 
-	"codeberg.org/lindenii/furgit/commitgraph"
+	"codeberg.org/lindenii/furgit/format/commitgraph"
 	"codeberg.org/lindenii/furgit/internal/intconv"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 )
diff --git a/commitgraph/read/layer_parse.go b/format/commitgraph/read/layer_parse.go
index 2aa71428..13e36c0a 100644
--- a/commitgraph/read/layer_parse.go
+++ b/format/commitgraph/read/layer_parse.go
@@ -3,8 +3,8 @@ package read
 import (
 	"encoding/binary"
 
-	"codeberg.org/lindenii/furgit/commitgraph"
-	"codeberg.org/lindenii/furgit/commitgraph/bloom"
+	"codeberg.org/lindenii/furgit/format/commitgraph"
+	"codeberg.org/lindenii/furgit/format/commitgraph/bloom"
 	"codeberg.org/lindenii/furgit/internal/intconv"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 )
diff --git a/commitgraph/read/layer_pos.go b/format/commitgraph/read/layer_pos.go
index 7b87b381..7b87b381 100644
--- a/commitgraph/read/layer_pos.go
+++ b/format/commitgraph/read/layer_pos.go
diff --git a/commitgraph/read/layerinfo.go b/format/commitgraph/read/layerinfo.go
index 83c4407d..83c4407d 100644
--- a/commitgraph/read/layerinfo.go
+++ b/format/commitgraph/read/layerinfo.go
diff --git a/commitgraph/read/lookup.go b/format/commitgraph/read/lookup.go
index 5f1b08f6..5f1b08f6 100644
--- a/commitgraph/read/lookup.go
+++ b/format/commitgraph/read/lookup.go
diff --git a/commitgraph/read/mode.go b/format/commitgraph/read/mode.go
index 76afa21f..76afa21f 100644
--- a/commitgraph/read/mode.go
+++ b/format/commitgraph/read/mode.go
diff --git a/commitgraph/read/oidat.go b/format/commitgraph/read/oidat.go
index 908cbc1c..908cbc1c 100644
--- a/commitgraph/read/oidat.go
+++ b/format/commitgraph/read/oidat.go
diff --git a/commitgraph/read/open.go b/format/commitgraph/read/open.go
index 9c708b49..9c708b49 100644
--- a/commitgraph/read/open.go
+++ b/format/commitgraph/read/open.go
diff --git a/commitgraph/read/open_chain.go b/format/commitgraph/read/open_chain.go
index b55f3e57..b55f3e57 100644
--- a/commitgraph/read/open_chain.go
+++ b/format/commitgraph/read/open_chain.go
diff --git a/commitgraph/read/open_single.go b/format/commitgraph/read/open_single.go
index 9ad6607f..9ad6607f 100644
--- a/commitgraph/read/open_single.go
+++ b/format/commitgraph/read/open_single.go
diff --git a/commitgraph/read/parents.go b/format/commitgraph/read/parents.go
index deb5ea98..fcaad8b6 100644
--- a/commitgraph/read/parents.go
+++ b/format/commitgraph/read/parents.go
@@ -1,6 +1,6 @@
 package read
 
-import "codeberg.org/lindenii/furgit/commitgraph"
+import "codeberg.org/lindenii/furgit/format/commitgraph"
 
 // ParentRef references one parent position.
 type ParentRef struct {
diff --git a/commitgraph/read/position.go b/format/commitgraph/read/position.go
index b2e1138b..b2e1138b 100644
--- a/commitgraph/read/position.go
+++ b/format/commitgraph/read/position.go
diff --git a/commitgraph/read/read_test.go b/format/commitgraph/read/read_test.go
index bf87ec5d..c65b183e 100644
--- a/commitgraph/read/read_test.go
+++ b/format/commitgraph/read/read_test.go
@@ -7,8 +7,8 @@ import (
 	"strings"
 	"testing"
 
-	"codeberg.org/lindenii/furgit/commitgraph/bloom"
-	"codeberg.org/lindenii/furgit/commitgraph/read"
+	"codeberg.org/lindenii/furgit/format/commitgraph/bloom"
+	"codeberg.org/lindenii/furgit/format/commitgraph/read"
 	"codeberg.org/lindenii/furgit/internal/intconv"
 	"codeberg.org/lindenii/furgit/internal/testgit"
 	objectid "codeberg.org/lindenii/furgit/object/id"
diff --git a/commitgraph/read/reader.go b/format/commitgraph/read/reader.go
index d5c84a70..d5c84a70 100644
--- a/commitgraph/read/reader.go
+++ b/format/commitgraph/read/reader.go
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/HEAD b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/HEAD
index cb089cd8..cb089cd8 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/HEAD
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/HEAD
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/config b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/config
index 07d359d0..07d359d0 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/config
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/config
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/commit-graph-chain b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/commit-graph-chain
index 74c46b64..74c46b64 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/commit-graph-chain
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/commit-graph-chain
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/graph-bf985c21612a52070d8b008e6ef51edf8b609401.graph b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/graph-bf985c21612a52070d8b008e6ef51edf8b609401.graph
index c31869c1..c31869c1 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/graph-bf985c21612a52070d8b008e6ef51edf8b609401.graph
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/graph-bf985c21612a52070d8b008e6ef51edf8b609401.graph
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/graph-dd7578d5216ca76c25b19631ba90f7498aeabbe7.graph b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/graph-dd7578d5216ca76c25b19631ba90f7498aeabbe7.graph
index 241eb3cc..241eb3cc 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/graph-dd7578d5216ca76c25b19631ba90f7498aeabbe7.graph
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/commit-graphs/graph-dd7578d5216ca76c25b19631ba90f7498aeabbe7.graph
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/packs b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/packs
index 61decf9b..61decf9b 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/packs
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/info/packs
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.bitmap b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.bitmap
index 1508cf18..1508cf18 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.bitmap
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.bitmap
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.idx b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.idx
index 00ee2646..00ee2646 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.idx
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.idx
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.pack b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.pack
index c65ae27f..c65ae27f 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.pack
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.pack
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.rev b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.rev
index d0689f72..d0689f72 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.rev
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/objects/pack/pack-15b064d6a8ef8cff520565f6db8c006b2e6f7f2f.rev
diff --git a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/refs/heads/master b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/refs/heads/master
index 8942d437..8942d437 100644
--- a/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/refs/heads/master
+++ b/format/commitgraph/read/testdata/fixtures/sha1/chain_changed/repo.git/refs/heads/master
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/HEAD b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/HEAD
index b870d826..b870d826 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/HEAD
+++ b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/HEAD
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/config b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/config
index 07d359d0..07d359d0 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/config
+++ b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/config
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/info/commit-graph b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/info/commit-graph
index 56b59a54..56b59a54 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/info/commit-graph
+++ b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/info/commit-graph
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/info/packs b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/info/packs
index ecf5d272..ecf5d272 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/info/packs
+++ b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/info/packs
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.bitmap b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.bitmap
index 9fec7b16..9fec7b16 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.bitmap
+++ b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.bitmap
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.idx b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.idx
index e30cbb5a..e30cbb5a 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.idx
+++ b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.idx
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.pack b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.pack
index 8da45eab..8da45eab 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.pack
+++ b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.pack
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.rev b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.rev
index 3bcd2e2c..3bcd2e2c 100644
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+++ b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/objects/pack/pack-34e9e132566989e2abfe8821731236c77f9bcbe9.rev
diff --git a/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/refs/heads/main b/format/commitgraph/read/testdata/fixtures/sha1/single_changed/repo.git/refs/heads/main
index 090ca933..090ca933 100644
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diff --git a/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/HEAD b/format/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/HEAD
index cb089cd8..cb089cd8 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/HEAD
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index 07d359d0..07d359d0 100644
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diff --git a/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/objects/info/commit-graph b/format/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/objects/info/commit-graph
index 28f7d06a..28f7d06a 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/objects/info/commit-graph
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diff --git a/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/objects/info/packs b/format/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/objects/info/packs
index 8434a002..8434a002 100644
--- a/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/objects/info/packs
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diff --git a/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/objects/pack/pack-a3da595034c94bb16b6829d757a66b7d259b9ffc.pack b/format/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/objects/pack/pack-a3da595034c94bb16b6829d757a66b7d259b9ffc.pack
index 8f82b451..8f82b451 100644
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diff --git a/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/refs/heads/master b/format/commitgraph/read/testdata/fixtures/sha1/single_nochanged/repo.git/refs/heads/master
index 475cb2c1..475cb2c1 100644
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diff --git a/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/HEAD b/format/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/HEAD
index cb089cd8..cb089cd8 100644
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index 7d1c0006..7d1c0006 100644
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index 4e7d76fe..4e7d76fe 100644
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diff --git a/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/objects/info/packs b/format/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/objects/info/packs
index 3b1241c4..3b1241c4 100644
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index 007fcd0e..007fcd0e 100644
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diff --git a/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/objects/pack/pack-04168d0884c910f505cb9fbcf045957e44ccee06d812b5e531ae666014a26ed1.idx b/format/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/objects/pack/pack-04168d0884c910f505cb9fbcf045957e44ccee06d812b5e531ae666014a26ed1.idx
index 248cf8fc..248cf8fc 100644
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diff --git a/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/objects/pack/pack-04168d0884c910f505cb9fbcf045957e44ccee06d812b5e531ae666014a26ed1.pack b/format/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/objects/pack/pack-04168d0884c910f505cb9fbcf045957e44ccee06d812b5e531ae666014a26ed1.pack
index 92cea7fb..92cea7fb 100644
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diff --git a/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/refs/heads/master b/format/commitgraph/read/testdata/fixtures/sha256/chain_changed/repo.git/refs/heads/master
index 29d83be8..29d83be8 100644
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index b870d826..b870d826 100644
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index 7d1c0006..7d1c0006 100644
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index cb089cd8..cb089cd8 100644
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index 7d1c0006..7d1c0006 100644
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index f98ca4a1..f98ca4a1 100644
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index 65184c9a..65184c9a 100644
--- a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/info/packs
+++ b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/info/packs
diff --git a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.bitmap b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.bitmap
index 53530f4c..53530f4c 100644
--- a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.bitmap
+++ b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.bitmap
diff --git a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.idx b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.idx
index b3a417a8..b3a417a8 100644
--- a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.idx
+++ b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.idx
diff --git a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.pack b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.pack
index d8dcedbf..d8dcedbf 100644
--- a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.pack
+++ b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.pack
diff --git a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.rev b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.rev
index e50d1a81..e50d1a81 100644
--- a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.rev
+++ b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/objects/pack/pack-d335453f760b064e36459d780ec9bf0e5dd596c0ee1ac6310136067c4f13438b.rev
diff --git a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/refs/heads/master b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/refs/heads/master
index a4e184b4..a4e184b4 100644
--- a/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/refs/heads/master
+++ b/format/commitgraph/read/testdata/fixtures/sha256/single_nochanged/repo.git/refs/heads/master
diff --git a/format/doc.go b/format/doc.go
new file mode 100644
index 00000000..0d2ec813
--- /dev/null
+++ b/format/doc.go
@@ -0,0 +1,5 @@
+// Package format encapsulates various git-related file formats.
+//
+// These are particularly the ones that aren't necessarily associated with
+// a very clear domain that they obviously belong to.
+package format
diff --git a/packfile/delta/apply/apply.go b/format/packfile/delta/apply/apply.go
index f5006e3c..f5006e3c 100644
--- a/packfile/delta/apply/apply.go
+++ b/format/packfile/delta/apply/apply.go
diff --git a/packfile/delta/apply/header.go b/format/packfile/delta/apply/header.go
index 69c9659a..69c9659a 100644
--- a/packfile/delta/apply/header.go
+++ b/format/packfile/delta/apply/header.go
diff --git a/packfile/delta/doc.go b/format/packfile/delta/doc.go
index f63c96a8..f63c96a8 100644
--- a/packfile/delta/doc.go
+++ b/format/packfile/delta/doc.go
diff --git a/format/packfile/doc.go b/format/packfile/doc.go
new file mode 100644
index 00000000..cd4aacfc
--- /dev/null
+++ b/format/packfile/doc.go
@@ -0,0 +1,5 @@
+// Package packfile provides Git packfile format parsing primitives.
+package packfile
+
+// TODO: This could probably be moved into object/store/packed when we get the pack ingestion semantics right?
+// Oh, wait, the other stores might still want pack constants like we provide here.
diff --git a/packfile/entry.go b/format/packfile/entry.go
index 0f9c7c8d..0f9c7c8d 100644
--- a/packfile/entry.go
+++ b/format/packfile/entry.go
diff --git a/packfile/entry_header.go b/format/packfile/entry_header.go
index 05664268..05664268 100644
--- a/packfile/entry_header.go
+++ b/format/packfile/entry_header.go
diff --git a/packfile/header.go b/format/packfile/header.go
index bc859a55..bc859a55 100644
--- a/packfile/header.go
+++ b/format/packfile/header.go
diff --git a/packfile/ingest/api.go b/format/packfile/ingest/api.go
index ce366a4f..ce366a4f 100644
--- a/packfile/ingest/api.go
+++ b/format/packfile/ingest/api.go
diff --git a/packfile/ingest/byteslice_reader.go b/format/packfile/ingest/byteslice_reader.go
index a1570ef3..a1570ef3 100644
--- a/packfile/ingest/byteslice_reader.go
+++ b/format/packfile/ingest/byteslice_reader.go
diff --git a/packfile/ingest/cache.go b/format/packfile/ingest/cache.go
index 9a15f55f..9a15f55f 100644
--- a/packfile/ingest/cache.go
+++ b/format/packfile/ingest/cache.go
diff --git a/packfile/ingest/counting_writer.go b/format/packfile/ingest/counting_writer.go
index 051ad9d1..051ad9d1 100644
--- a/packfile/ingest/counting_writer.go
+++ b/format/packfile/ingest/counting_writer.go
diff --git a/packfile/ingest/crc.go b/format/packfile/ingest/crc.go
index f55af4ff..f55af4ff 100644
--- a/packfile/ingest/crc.go
+++ b/format/packfile/ingest/crc.go
diff --git a/packfile/ingest/delta_header.go b/format/packfile/ingest/delta_header.go
index 63fda066..110cf83b 100644
--- a/packfile/ingest/delta_header.go
+++ b/format/packfile/ingest/delta_header.go
@@ -1,6 +1,6 @@
 package ingest
 
-import deltaapply "codeberg.org/lindenii/furgit/packfile/delta/apply"
+import deltaapply "codeberg.org/lindenii/furgit/format/packfile/delta/apply"
 
 // finalizeStreamPackHash consumes trailer bytes and verifies stream integrity.
 // readDeltaHeaderSizes reads source and destination sizes from one delta payload.
diff --git a/packfile/ingest/distance.go b/format/packfile/ingest/distance.go
index 9bc4d886..9bc4d886 100644
--- a/packfile/ingest/distance.go
+++ b/format/packfile/ingest/distance.go
diff --git a/packfile/ingest/doc.go b/format/packfile/ingest/doc.go
index 2095068a..2095068a 100644
--- a/packfile/ingest/doc.go
+++ b/format/packfile/ingest/doc.go
diff --git a/packfile/ingest/drain.go b/format/packfile/ingest/drain.go
index 48fb91d9..ed6ec821 100644
--- a/packfile/ingest/drain.go
+++ b/format/packfile/ingest/drain.go
@@ -8,7 +8,7 @@ import (
 	objectheader "codeberg.org/lindenii/furgit/object/header"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // drainEntryPayload inflates one entry payload from stream and returns
diff --git a/packfile/ingest/entry.go b/format/packfile/ingest/entry.go
index da063e68..4e2cab55 100644
--- a/packfile/ingest/entry.go
+++ b/format/packfile/ingest/entry.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // scanOneEntry scans one pack entry from stream and appends one record.
diff --git a/packfile/ingest/entry_header.go b/format/packfile/ingest/entry_header.go
index c74fdc16..c74fdc16 100644
--- a/packfile/ingest/entry_header.go
+++ b/format/packfile/ingest/entry_header.go
diff --git a/packfile/ingest/entry_prefix.go b/format/packfile/ingest/entry_prefix.go
index a107b4e8..a107b4e8 100644
--- a/packfile/ingest/entry_prefix.go
+++ b/format/packfile/ingest/entry_prefix.go
diff --git a/packfile/ingest/errors.go b/format/packfile/ingest/errors.go
index f6ee9757..f6ee9757 100644
--- a/packfile/ingest/errors.go
+++ b/format/packfile/ingest/errors.go
diff --git a/packfile/ingest/file_section_writer.go b/format/packfile/ingest/file_section_writer.go
index fa28c1a9..fa28c1a9 100644
--- a/packfile/ingest/file_section_writer.go
+++ b/format/packfile/ingest/file_section_writer.go
diff --git a/packfile/ingest/fill.go b/format/packfile/ingest/fill.go
index eca4e4d6..eca4e4d6 100644
--- a/packfile/ingest/fill.go
+++ b/format/packfile/ingest/fill.go
diff --git a/packfile/ingest/finalize.go b/format/packfile/ingest/finalize.go
index 6fe4edb2..6fe4edb2 100644
--- a/packfile/ingest/finalize.go
+++ b/format/packfile/ingest/finalize.go
diff --git a/packfile/ingest/flush.go b/format/packfile/ingest/flush.go
index 96753170..96753170 100644
--- a/packfile/ingest/flush.go
+++ b/format/packfile/ingest/flush.go
diff --git a/packfile/ingest/hash.go b/format/packfile/ingest/hash.go
index 4b739c20..4b739c20 100644
--- a/packfile/ingest/hash.go
+++ b/format/packfile/ingest/hash.go
diff --git a/packfile/ingest/header.go b/format/packfile/ingest/header.go
index c9db0f1b..6a214828 100644
--- a/packfile/ingest/header.go
+++ b/format/packfile/ingest/header.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"io"
 
-	"codeberg.org/lindenii/furgit/packfile"
+	"codeberg.org/lindenii/furgit/format/packfile"
 )
 
 const packHeaderSize = 12
diff --git a/packfile/ingest/idx_write.go b/format/packfile/ingest/idx_write.go
index 506788b9..506788b9 100644
--- a/packfile/ingest/idx_write.go
+++ b/format/packfile/ingest/idx_write.go
diff --git a/packfile/ingest/ingest.go b/format/packfile/ingest/ingest.go
index be65ff5f..be65ff5f 100644
--- a/packfile/ingest/ingest.go
+++ b/format/packfile/ingest/ingest.go
diff --git a/packfile/ingest/ingest_test.go b/format/packfile/ingest/ingest_test.go
index 3eb821d3..fb50d241 100644
--- a/packfile/ingest/ingest_test.go
+++ b/format/packfile/ingest/ingest_test.go
@@ -13,7 +13,7 @@ import (
 
 	"codeberg.org/lindenii/furgit/internal/testgit"
 	objectid "codeberg.org/lindenii/furgit/object/id"
-	"codeberg.org/lindenii/furgit/packfile/ingest"
+	"codeberg.org/lindenii/furgit/format/packfile/ingest"
 )
 
 type noExtraReadReader struct {
diff --git a/packfile/ingest/progress_write.go b/format/packfile/ingest/progress_write.go
index 5b9f184b..5b9f184b 100644
--- a/packfile/ingest/progress_write.go
+++ b/format/packfile/ingest/progress_write.go
diff --git a/packfile/ingest/record_content.go b/format/packfile/ingest/record_content.go
index 4109bc01..47f5321f 100644
--- a/packfile/ingest/record_content.go
+++ b/format/packfile/ingest/record_content.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // readBaseRecordContent reads canonical base content for one non-delta record.
diff --git a/packfile/ingest/record_delta.go b/format/packfile/ingest/record_delta.go
index 69cb8524..31fb4b62 100644
--- a/packfile/ingest/record_delta.go
+++ b/format/packfile/ingest/record_delta.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	deltaapply "codeberg.org/lindenii/furgit/packfile/delta/apply"
+	deltaapply "codeberg.org/lindenii/furgit/format/packfile/delta/apply"
 )
 
 // applyDeltaRecord applies one delta record onto base content.
diff --git a/packfile/ingest/record_inflate.go b/format/packfile/ingest/record_inflate.go
index b8eca25b..b8eca25b 100644
--- a/packfile/ingest/record_inflate.go
+++ b/format/packfile/ingest/record_inflate.go
diff --git a/packfile/ingest/record_resolve.go b/format/packfile/ingest/record_resolve.go
index 5bff18ab..1ccc427b 100644
--- a/packfile/ingest/record_resolve.go
+++ b/format/packfile/ingest/record_resolve.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // resolveRecord resolves one record and returns canonical type/content.
diff --git a/packfile/ingest/records.go b/format/packfile/ingest/records.go
index 75f157fa..75f157fa 100644
--- a/packfile/ingest/records.go
+++ b/format/packfile/ingest/records.go
diff --git a/packfile/ingest/resolve_all.go b/format/packfile/ingest/resolve_all.go
index e0ad2281..e0ad2281 100644
--- a/packfile/ingest/resolve_all.go
+++ b/format/packfile/ingest/resolve_all.go
diff --git a/packfile/ingest/rev_write.go b/format/packfile/ingest/rev_write.go
index f8c30c1b..f8c30c1b 100644
--- a/packfile/ingest/rev_write.go
+++ b/format/packfile/ingest/rev_write.go
diff --git a/packfile/ingest/rewrite_header_trailer.go b/format/packfile/ingest/rewrite_header_trailer.go
index f1f18a39..f1f18a39 100644
--- a/packfile/ingest/rewrite_header_trailer.go
+++ b/format/packfile/ingest/rewrite_header_trailer.go
diff --git a/packfile/ingest/scan.go b/format/packfile/ingest/scan.go
index de4e993c..de4e993c 100644
--- a/packfile/ingest/scan.go
+++ b/format/packfile/ingest/scan.go
diff --git a/packfile/ingest/state.go b/format/packfile/ingest/state.go
index 797323b2..797323b2 100644
--- a/packfile/ingest/state.go
+++ b/format/packfile/ingest/state.go
diff --git a/packfile/ingest/stream.go b/format/packfile/ingest/stream.go
index a403087a..a403087a 100644
--- a/packfile/ingest/stream.go
+++ b/format/packfile/ingest/stream.go
diff --git a/packfile/ingest/temp.go b/format/packfile/ingest/temp.go
index d0b7862c..d0b7862c 100644
--- a/packfile/ingest/temp.go
+++ b/format/packfile/ingest/temp.go
diff --git a/packfile/ingest/testdata/fixtures/sha1/METADATA.txt b/format/packfile/ingest/testdata/fixtures/sha1/METADATA.txt
index 5fcbfe26..5fcbfe26 100644
--- a/packfile/ingest/testdata/fixtures/sha1/METADATA.txt
+++ b/format/packfile/ingest/testdata/fixtures/sha1/METADATA.txt
diff --git a/packfile/ingest/testdata/fixtures/sha1/base.pack b/format/packfile/ingest/testdata/fixtures/sha1/base.pack
index 3d7a4903..3d7a4903 100644
--- a/packfile/ingest/testdata/fixtures/sha1/base.pack
+++ b/format/packfile/ingest/testdata/fixtures/sha1/base.pack
diff --git a/packfile/ingest/testdata/fixtures/sha1/nonthin.pack b/format/packfile/ingest/testdata/fixtures/sha1/nonthin.pack
index ea07c9a0..ea07c9a0 100644
--- a/packfile/ingest/testdata/fixtures/sha1/nonthin.pack
+++ b/format/packfile/ingest/testdata/fixtures/sha1/nonthin.pack
diff --git a/packfile/ingest/testdata/fixtures/sha1/thin.pack b/format/packfile/ingest/testdata/fixtures/sha1/thin.pack
index 95084feb..95084feb 100644
--- a/packfile/ingest/testdata/fixtures/sha1/thin.pack
+++ b/format/packfile/ingest/testdata/fixtures/sha1/thin.pack
diff --git a/packfile/ingest/testdata/fixtures/sha256/METADATA.txt b/format/packfile/ingest/testdata/fixtures/sha256/METADATA.txt
index 8a5ea0a2..8a5ea0a2 100644
--- a/packfile/ingest/testdata/fixtures/sha256/METADATA.txt
+++ b/format/packfile/ingest/testdata/fixtures/sha256/METADATA.txt
diff --git a/packfile/ingest/testdata/fixtures/sha256/base.pack b/format/packfile/ingest/testdata/fixtures/sha256/base.pack
index 52ceef74..52ceef74 100644
--- a/packfile/ingest/testdata/fixtures/sha256/base.pack
+++ b/format/packfile/ingest/testdata/fixtures/sha256/base.pack
diff --git a/packfile/ingest/testdata/fixtures/sha256/nonthin.pack b/format/packfile/ingest/testdata/fixtures/sha256/nonthin.pack
index 50db05d0..50db05d0 100644
--- a/packfile/ingest/testdata/fixtures/sha256/nonthin.pack
+++ b/format/packfile/ingest/testdata/fixtures/sha256/nonthin.pack
diff --git a/packfile/ingest/testdata/fixtures/sha256/thin.pack b/format/packfile/ingest/testdata/fixtures/sha256/thin.pack
index b331b915..b331b915 100644
--- a/packfile/ingest/testdata/fixtures/sha256/thin.pack
+++ b/format/packfile/ingest/testdata/fixtures/sha256/thin.pack
diff --git a/packfile/ingest/thin_append.go b/format/packfile/ingest/thin_append.go
index 779d477f..779d477f 100644
--- a/packfile/ingest/thin_append.go
+++ b/format/packfile/ingest/thin_append.go
diff --git a/packfile/ingest/thin_fix.go b/format/packfile/ingest/thin_fix.go
index 83e5572a..83e5572a 100644
--- a/packfile/ingest/thin_fix.go
+++ b/format/packfile/ingest/thin_fix.go
diff --git a/packfile/ingest/thin_unresolved.go b/format/packfile/ingest/thin_unresolved.go
index 757cc0e2..757cc0e2 100644
--- a/packfile/ingest/thin_unresolved.go
+++ b/format/packfile/ingest/thin_unresolved.go
diff --git a/packfile/ingest/trailer.go b/format/packfile/ingest/trailer.go
index 7a26a8f2..7a26a8f2 100644
--- a/packfile/ingest/trailer.go
+++ b/format/packfile/ingest/trailer.go
diff --git a/packfile/ingest/use.go b/format/packfile/ingest/use.go
index 97f8757a..97f8757a 100644
--- a/packfile/ingest/use.go
+++ b/format/packfile/ingest/use.go
diff --git a/packfile/object_type.go b/format/packfile/object_type.go
index 8382baa9..8382baa9 100644
--- a/packfile/object_type.go
+++ b/format/packfile/object_type.go
diff --git a/packfile/ofs.go b/format/packfile/ofs.go
index 4992a506..4992a506 100644
--- a/packfile/ofs.go
+++ b/format/packfile/ofs.go
diff --git a/internal/testgit/repo_open_commit_graph.go b/internal/testgit/repo_open_commit_graph.go
index 6c0fee4a..4db7261b 100644
--- a/internal/testgit/repo_open_commit_graph.go
+++ b/internal/testgit/repo_open_commit_graph.go
@@ -3,7 +3,7 @@ package testgit
 import (
 	"testing"
 
-	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 )
 
 // OpenCommitGraph opens the repository commit-graph and registers cleanup on
diff --git a/network/receivepack/service/ingest_quarantine.go b/network/receivepack/service/ingest_quarantine.go
index 8e3e2455..6121ad6d 100644
--- a/network/receivepack/service/ingest_quarantine.go
+++ b/network/receivepack/service/ingest_quarantine.go
@@ -4,7 +4,7 @@ import (
 	"os"
 
 	"codeberg.org/lindenii/furgit/internal/utils"
-	"codeberg.org/lindenii/furgit/packfile/ingest"
+	"codeberg.org/lindenii/furgit/format/packfile/ingest"
 )
 
 func (service *Service) ingestQuarantine(
diff --git a/network/receivepack/service/result.go b/network/receivepack/service/result.go
index 17fc0b6b..c5ff3812 100644
--- a/network/receivepack/service/result.go
+++ b/network/receivepack/service/result.go
@@ -1,7 +1,7 @@
 package service
 
 import (
-	"codeberg.org/lindenii/furgit/packfile/ingest"
+	"codeberg.org/lindenii/furgit/format/packfile/ingest"
 )
 
 // Result is one receive-pack execution result.
diff --git a/object/storer/packed/delta_build_chain.go b/object/storer/packed/delta_build_chain.go
index c348e4d5..553f96f6 100644
--- a/object/storer/packed/delta_build_chain.go
+++ b/object/storer/packed/delta_build_chain.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // deltaBuildChain walks one object's chain and builds a reconstruction chain.
diff --git a/object/storer/packed/delta_resolve_chain.go b/object/storer/packed/delta_resolve_chain.go
index 0c71b628..92df694e 100644
--- a/object/storer/packed/delta_resolve_chain.go
+++ b/object/storer/packed/delta_resolve_chain.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	deltaapply "codeberg.org/lindenii/furgit/packfile/delta/apply"
+	deltaapply "codeberg.org/lindenii/furgit/format/packfile/delta/apply"
 )
 
 // deltaResolveChain resolves one object chain into content bytes.
diff --git a/object/storer/packed/delta_resolve_chain_start.go b/object/storer/packed/delta_resolve_chain_start.go
index 53050134..fa3bce98 100644
--- a/object/storer/packed/delta_resolve_chain_start.go
+++ b/object/storer/packed/delta_resolve_chain_start.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // deltaResolveChainStart finds the nearest cached chain node or inflates the
diff --git a/object/storer/packed/delta_resolve_content.go b/object/storer/packed/delta_resolve_content.go
index 06fc4226..9907f4c8 100644
--- a/object/storer/packed/delta_resolve_content.go
+++ b/object/storer/packed/delta_resolve_content.go
@@ -2,7 +2,7 @@ package packed
 
 import (
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // deltaResolveContent resolves one object's content bytes from its pack location.
diff --git a/object/storer/packed/delta_size.go b/object/storer/packed/delta_size.go
index 6896c939..e5ba3bb7 100644
--- a/object/storer/packed/delta_size.go
+++ b/object/storer/packed/delta_size.go
@@ -3,7 +3,7 @@ package packed
 import (
 	"bufio"
 
-	deltaapply "codeberg.org/lindenii/furgit/packfile/delta/apply"
+	deltaapply "codeberg.org/lindenii/furgit/format/packfile/delta/apply"
 )
 
 // deltaDeclaredSizeAt returns the resolved object size declared by one delta
diff --git a/object/storer/packed/entry_parse.go b/object/storer/packed/entry_parse.go
index bbbbc469..95759d0e 100644
--- a/object/storer/packed/entry_parse.go
+++ b/object/storer/packed/entry_parse.go
@@ -6,7 +6,7 @@ import (
 	"codeberg.org/lindenii/furgit/internal/intconv"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // entryMeta describes one parsed pack entry header.
diff --git a/object/storer/packed/pack.go b/object/storer/packed/pack.go
index c8135d52..363fdc13 100644
--- a/object/storer/packed/pack.go
+++ b/object/storer/packed/pack.go
@@ -7,7 +7,7 @@ import (
 	"syscall"
 
 	"codeberg.org/lindenii/furgit/internal/intconv"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // packFile stores one mapped and validated .pack file.
diff --git a/object/storer/packed/read_header_resolve.go b/object/storer/packed/read_header_resolve.go
index 285387fa..614eacf8 100644
--- a/object/storer/packed/read_header_resolve.go
+++ b/object/storer/packed/read_header_resolve.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // resolveHeaderAt resolves one object's canonical type and declared content size.
diff --git a/object/storer/packed/read_reader.go b/object/storer/packed/read_reader.go
index 324ee033..01f38fcf 100644
--- a/object/storer/packed/read_reader.go
+++ b/object/storer/packed/read_reader.go
@@ -9,7 +9,7 @@ import (
 	objectheader "codeberg.org/lindenii/furgit/object/header"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // ReadReaderContent reads an object's type, declared content size, and content
diff --git a/object/storer/packed/read_size.go b/object/storer/packed/read_size.go
index 9d6c8e7d..18eec288 100644
--- a/object/storer/packed/read_size.go
+++ b/object/storer/packed/read_size.go
@@ -5,7 +5,7 @@ import (
 
 	objectid "codeberg.org/lindenii/furgit/object/id"
 	objecttype "codeberg.org/lindenii/furgit/object/type"
-	packfmt "codeberg.org/lindenii/furgit/packfile"
+	packfmt "codeberg.org/lindenii/furgit/format/packfile"
 )
 
 // ReadSize reads an object's declared content size.
diff --git a/packfile/doc.go b/packfile/doc.go
deleted file mode 100644
index d656e256..00000000
--- a/packfile/doc.go
+++ /dev/null
@@ -1,2 +0,0 @@
-// Package packfile provides Git packfile format parsing primitives.
-package packfile
diff --git a/reachability/reachability.go b/reachability/reachability.go
index 77a844a7..31947525 100644
--- a/reachability/reachability.go
+++ b/reachability/reachability.go
@@ -2,7 +2,7 @@
 package reachability
 
 import (
-	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 	objectstorer "codeberg.org/lindenii/furgit/object/storer"
 )
 
diff --git a/reachability/walk_expand_commits_graph.go b/reachability/walk_expand_commits_graph.go
index 447879d8..863906f9 100644
--- a/reachability/walk_expand_commits_graph.go
+++ b/reachability/walk_expand_commits_graph.go
@@ -3,7 +3,7 @@ package reachability
 import (
 	"errors"
 
-	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
 	objectid "codeberg.org/lindenii/furgit/object/id"
 	objecttype "codeberg.org/lindenii/furgit/object/type"
 )