diff --git a/Cargo.lock b/Cargo.lock
index 0bf8b67514..5374ae79c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -721,6 +721,9 @@ name = "faster-hex"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2a2b11eda1d40935b26cf18f6833c526845ae8c41e58d09af6adeb6f0269183"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "fastrand"
@@ -918,9 +921,9 @@ dependencies = [
 
 [[package]]
 name = "gix"
-version = "0.66.0"
+version = "0.67.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9048b8d1ae2104f045cb37e5c450fc49d5d8af22609386bfc739c11ba88995eb"
+checksum = "c7d3e78ddac368d3e3bfbc2862bc2aafa3d89f1b15fed898d9761e1ec6f3f17f"
 dependencies = [
  "gix-actor",
  "gix-attributes",
@@ -964,9 +967,9 @@ dependencies = [
 
 [[package]]
 name = "gix-actor"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc19e312cd45c4a66cd003f909163dc2f8e1623e30a0c0c6df3776e89b308665"
+checksum = "59226ef06661c756e664b46b1d3b2c198f6adc5407a484c086d0171108a70027"
 dependencies = [
  "bstr",
  "gix-date",
@@ -978,9 +981,9 @@ dependencies = [
 
 [[package]]
 name = "gix-attributes"
-version = "0.22.5"
+version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebccbf25aa4a973dd352564a9000af69edca90623e8a16dad9cbc03713131311"
+checksum = "31a102d201ef0e5a848458a82292581e7641e52f0f52e693b6cbdd05a652c029"
 dependencies = [
  "bstr",
  "gix-glob",
@@ -995,27 +998,27 @@ dependencies = [
 
 [[package]]
 name = "gix-bitmap"
-version = "0.2.11"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a371db66cbd4e13f0ed9dc4c0fea712d7276805fccc877f77e96374d317e87ae"
+checksum = "10f78312288bd02052be5dbc2ecbc342c9f4eb791986d86c0a5c06b92dc72efa"
 dependencies = [
  "thiserror",
 ]
 
 [[package]]
 name = "gix-chunk"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45c8751169961ba7640b513c3b24af61aa962c967aaf04116734975cd5af0c52"
+checksum = "6c28b58ba04f0c004722344390af9dbc85888fbb84be1981afb934da4114d4cf"
 dependencies = [
  "thiserror",
 ]
 
 [[package]]
 name = "gix-command"
-version = "0.3.9"
+version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dff2e692b36bbcf09286c70803006ca3fd56551a311de450be317a0ab8ea92e7"
+checksum = "c201d2b9e9cce2365a6638fd0a966f751ed92d74be5c0727ac331e6a29ef5846"
 dependencies = [
  "bstr",
  "gix-path",
@@ -1025,9 +1028,9 @@ dependencies = [
 
 [[package]]
 name = "gix-commitgraph"
-version = "0.24.3"
+version = "0.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "133b06f67f565836ec0c473e2116a60fb74f80b6435e21d88013ac0e3c60fc78"
+checksum = "41db900b189e62dc61575f06fdf1a3b6901d264a99be9d32b286af6b2e3984e1"
 dependencies = [
  "bstr",
  "gix-chunk",
@@ -1039,9 +1042,9 @@ dependencies = [
 
 [[package]]
 name = "gix-config"
-version = "0.40.0"
+version = "0.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78e797487e6ca3552491de1131b4f72202f282fb33f198b1c34406d765b42bb0"
+checksum = "0bedd1bf1c7b994be9d57207e8e0de79016c05e2e8701d3015da906e65ac445e"
 dependencies = [
  "bstr",
  "gix-config-value",
@@ -1060,9 +1063,9 @@ dependencies = [
 
 [[package]]
 name = "gix-config-value"
-version = "0.14.8"
+version = "0.14.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03f76169faa0dec598eac60f83d7fcdd739ec16596eca8fb144c88973dbe6f8c"
+checksum = "f3de3fdca9c75fa4b83a76583d265fa49b1de6b088ebcd210749c24ceeb74660"
 dependencies = [
  "bitflags",
  "bstr",
@@ -1073,9 +1076,9 @@ dependencies = [
 
 [[package]]
 name = "gix-date"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35c84b7af01e68daf7a6bb8bb909c1ff5edb3ce4326f1f43063a5a96d3c3c8a5"
+checksum = "d10d543ac13c97292a15e8e8b7889cd006faf739777437ed95362504b8fe81a0"
 dependencies = [
  "bstr",
  "itoa",
@@ -1085,9 +1088,9 @@ dependencies = [
 
 [[package]]
 name = "gix-diff"
-version = "0.46.0"
+version = "0.47.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92c9afd80fff00f8b38b1c1928442feb4cd6d2232a6ed806b6b193151a3d336c"
+checksum = "c9850fd0c15af113db6f9e130d13091ba0d3754e570a2afdff9e2f3043da260e"
 dependencies = [
  "bstr",
  "gix-command",
@@ -1098,6 +1101,7 @@ dependencies = [
  "gix-path",
  "gix-tempfile",
  "gix-trace",
+ "gix-traverse",
  "gix-worktree",
  "imara-diff",
  "thiserror",
@@ -1105,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "gix-discover"
-version = "0.35.0"
+version = "0.36.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0577366b9567376bc26e815fd74451ebd0e6218814e242f8e5b7072c58d956d2"
+checksum = "c522e31f458f50af09dfb014e10873c5378f702f8049c96f508989aad59671f6"
 dependencies = [
  "bstr",
  "dunce",
@@ -1121,9 +1125,9 @@ dependencies = [
 
 [[package]]
 name = "gix-features"
-version = "0.38.2"
+version = "0.39.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac7045ac9fe5f9c727f38799d002a7ed3583cd777e3322a7c4b43e3cf437dc69"
+checksum = "8e0eb9efdf96c35c0bed7596d1bef2d4ce6360a1d09738001f9d3e402aa7ba3e"
 dependencies = [
  "crc32fast",
  "crossbeam-channel",
@@ -1142,9 +1146,9 @@ dependencies = [
 
 [[package]]
 name = "gix-filter"
-version = "0.13.0"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4121790ae140066e5b953becc72e7496278138d19239be2e63b5067b0843119e"
+checksum = "6b37f82359a4485770ed8993ae715ced1bf674f2a63e45f5a0786d38310665ea"
 dependencies = [
  "bstr",
  "encoding_rs",
@@ -1163,9 +1167,9 @@ dependencies = [
 
 [[package]]
 name = "gix-fs"
-version = "0.11.3"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2bfe6249cfea6d0c0e0990d5226a4cb36f030444ba9e35e0639275db8f98575"
+checksum = "34740384d8d763975858fa2c176b68652a6fcc09f616e24e3ce967b0d370e4d8"
 dependencies = [
  "fastrand",
  "gix-features",
@@ -1174,9 +1178,9 @@ dependencies = [
 
 [[package]]
 name = "gix-glob"
-version = "0.16.5"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74908b4bbc0a0a40852737e5d7889f676f081e340d5451a16e5b4c50d592f111"
+checksum = "254b5101cf7facc00d9b5ff564cf46302ca76695cca23d33bc958a707b6fc857"
 dependencies = [
  "bitflags",
  "bstr",
@@ -1186,9 +1190,9 @@ dependencies = [
 
 [[package]]
 name = "gix-hash"
-version = "0.14.2"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f93d7df7366121b5018f947a04d37f034717e113dcf9ccd85c34b58e57a74d5e"
+checksum = "952c3a29f1bc1007cc901abce7479943abfa42016db089de33d0a4fa3c85bfe8"
 dependencies = [
  "faster-hex",
  "thiserror",
@@ -1196,9 +1200,9 @@ dependencies = [
 
 [[package]]
 name = "gix-hashtable"
-version = "0.5.2"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ddf80e16f3c19ac06ce415a38b8591993d3f73aede049cb561becb5b3a8e242"
+checksum = "0ef65b256631078ef733bc5530c4e6b1c2e7d5c2830b75d4e9034ab3997d18fe"
 dependencies = [
  "gix-hash",
  "hashbrown 0.14.5",
@@ -1207,9 +1211,9 @@ dependencies = [
 
 [[package]]
 name = "gix-ignore"
-version = "0.11.4"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e447cd96598460f5906a0f6c75e950a39f98c2705fc755ad2f2020c9e937fab7"
+checksum = "ba55a9b582dc26a639875497615959a8127ac5c37b2426dc50f037fada33a4b7"
 dependencies = [
  "bstr",
  "gix-glob",
@@ -1220,9 +1224,9 @@ dependencies = [
 
 [[package]]
 name = "gix-index"
-version = "0.35.0"
+version = "0.36.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0cd4203244444017682176e65fd0180be9298e58ed90bd4a8489a357795ed22d"
+checksum = "27619009ca1ea33fd885041273f5fa5a09163a5c1d22a913b28d7b985e66fe29"
 dependencies = [
  "bitflags",
  "bstr",
@@ -1248,9 +1252,9 @@ dependencies = [
 
 [[package]]
 name = "gix-lock"
-version = "14.0.0"
+version = "15.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3bc7fe297f1f4614774989c00ec8b1add59571dc9b024b4c00acb7dedd4e19d"
+checksum = "5102acdf4acae2644e38dbbd18cdfba9597a218f7d85f810fe5430207e03c2de"
 dependencies = [
  "gix-tempfile",
  "gix-utils",
@@ -1259,15 +1263,16 @@ dependencies = [
 
 [[package]]
 name = "gix-object"
-version = "0.44.0"
+version = "0.45.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f5b801834f1de7640731820c2df6ba88d95480dc4ab166a5882f8ff12b88efa"
+checksum = "2a77b6e7753d298553d9ae8b1744924481e7a49170983938bb578dccfbc6fc1a"
 dependencies = [
  "bstr",
  "gix-actor",
  "gix-date",
  "gix-features",
  "gix-hash",
+ "gix-hashtable",
  "gix-utils",
  "gix-validate",
  "itoa",
@@ -1278,15 +1283,16 @@ dependencies = [
 
 [[package]]
 name = "gix-odb"
-version = "0.63.0"
+version = "0.64.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3158068701c17df54f0ab2adda527f5a6aca38fd5fd80ceb7e3c0a2717ec747"
+checksum = "0bb86aadf7f1b2f980601b4fc94309706f9700f8008f935dc512d556c9e60f61"
 dependencies = [
  "arc-swap",
  "gix-date",
  "gix-features",
  "gix-fs",
  "gix-hash",
+ "gix-hashtable",
  "gix-object",
  "gix-pack",
  "gix-path",
@@ -1298,9 +1304,9 @@ dependencies = [
 
 [[package]]
 name = "gix-pack"
-version = "0.53.0"
+version = "0.54.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3223aa342eee21e1e0e403cad8ae9caf9edca55ef84c347738d10681676fd954"
+checksum = "363e6e59a855ba243672408139db68e2478126cdcfeabb420777df4a1f20026b"
 dependencies = [
  "clru",
  "gix-chunk",
@@ -1317,9 +1323,9 @@ dependencies = [
 
 [[package]]
 name = "gix-packetline-blocking"
-version = "0.17.5"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9802304baa798dd6f5ff8008a2b6516d54b74a69ca2d3a2b9e2d6c3b5556b40"
+checksum = "decace940e8ba8e29d29b73b843a6cbae67503887f3e5fb7e688d0f4f6ee0757"
 dependencies = [
  "bstr",
  "faster-hex",
@@ -1329,9 +1335,9 @@ dependencies = [
 
 [[package]]
 name = "gix-path"
-version = "0.10.11"
+version = "0.10.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebfc4febd088abdcbc9f1246896e57e37b7a34f6909840045a1767c6dafac7af"
+checksum = "c04e5a94fdb56b1e91eb7df2658ad16832428b8eeda24ff1a0f0288de2bce554"
 dependencies = [
  "bstr",
  "gix-trace",
@@ -1342,9 +1348,9 @@ dependencies = [
 
 [[package]]
 name = "gix-pathspec"
-version = "0.7.7"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d23bf239532b4414d0e63b8ab3a65481881f7237ed9647bb10c1e3cc54c5ceb"
+checksum = "70f02bf7625dbf15bf9fedbeace2ac1ce1c5177806bdbc24c441d664c75c00e4"
 dependencies = [
  "bitflags",
  "bstr",
@@ -1357,9 +1363,9 @@ dependencies = [
 
 [[package]]
 name = "gix-quote"
-version = "0.4.12"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbff4f9b9ea3fa7a25a70ee62f545143abef624ac6aa5884344e70c8b0a1d9ff"
+checksum = "f89f9a1525dcfd9639e282ea939f5ab0d09d93cf2b90c1fc6104f1b9582a8e49"
 dependencies = [
  "bstr",
  "gix-utils",
@@ -1368,9 +1374,9 @@ dependencies = [
 
 [[package]]
 name = "gix-ref"
-version = "0.47.0"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae0d8406ebf9aaa91f55a57f053c5a1ad1a39f60fdf0303142b7be7ea44311e5"
+checksum = "a47385e71fa2d9da8c35e642ef4648808ddf0a52bc93425879088c706dfeaea2"
 dependencies = [
  "gix-actor",
  "gix-features",
@@ -1389,9 +1395,9 @@ dependencies = [
 
 [[package]]
 name = "gix-refspec"
-version = "0.25.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebb005f82341ba67615ffdd9f7742c87787544441c88090878393d0682869ca6"
+checksum = "0022038a09d80d9abf773be8efcbb502868d97f6972b8633bfb52ab6edaac442"
 dependencies = [
  "bstr",
  "gix-hash",
@@ -1403,11 +1409,12 @@ dependencies = [
 
 [[package]]
 name = "gix-revision"
-version = "0.29.0"
+version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba4621b219ac0cdb9256883030c3d56a6c64a6deaa829a92da73b9a576825e1e"
+checksum = "4ee8eb4088fece3562af4a5d751e069f90e93345524ad730512185234c4b55f1"
 dependencies = [
  "bstr",
+ "gix-commitgraph",
  "gix-date",
  "gix-hash",
  "gix-object",
@@ -1417,9 +1424,9 @@ dependencies = [
 
 [[package]]
 name = "gix-revwalk"
-version = "0.15.0"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41e72544b93084ee682ef3d5b31b1ba4d8fa27a017482900e5e044d5b1b3984"
+checksum = "e6c9a9496da98d36ff19063a8576bf09a87425583b709a56dc5594fffa9d39b2"
 dependencies = [
  "gix-commitgraph",
  "gix-date",
@@ -1432,9 +1439,9 @@ dependencies = [
 
 [[package]]
 name = "gix-sec"
-version = "0.10.8"
+version = "0.10.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fe4d52f30a737bbece5276fab5d3a8b276dc2650df963e293d0673be34e7a5f"
+checksum = "a2007538eda296445c07949cf04f4a767307d887184d6b3e83e2d636533ddc6e"
 dependencies = [
  "bitflags",
  "gix-path",
@@ -1444,9 +1451,9 @@ dependencies = [
 
 [[package]]
 name = "gix-submodule"
-version = "0.14.0"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "529d0af78cc2f372b3218f15eb1e3d1635a21c8937c12e2dd0b6fc80c2ca874b"
+checksum = "3ed099621873cd36c580fc822176a32a7e50fef15a5c2ed81aaa087296f0497a"
 dependencies = [
  "bstr",
  "gix-config",
@@ -1459,9 +1466,9 @@ dependencies = [
 
 [[package]]
 name = "gix-tempfile"
-version = "14.0.2"
+version = "15.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "046b4927969fa816a150a0cda2e62c80016fe11fb3c3184e4dddf4e542f108aa"
+checksum = "2feb86ef094cc77a4a9a5afbfe5de626897351bbbd0de3cb9314baf3049adb82"
 dependencies = [
  "dashmap",
  "gix-fs",
@@ -1473,15 +1480,15 @@ dependencies = [
 
 [[package]]
 name = "gix-trace"
-version = "0.1.10"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6cae0e8661c3ff92688ce1c8b8058b3efb312aba9492bbe93661a21705ab431b"
+checksum = "04bdde120c29f1fc23a24d3e115aeeea3d60d8e65bab92cc5f9d90d9302eb952"
 
 [[package]]
 name = "gix-traverse"
-version = "0.41.0"
+version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "030da39af94e4df35472e9318228f36530989327906f38e27807df305fccb780"
+checksum = "f20f1b13cc4fa6ba92b24e6aa0c2fb6a34beb4458ef88c6300212db504e818df"
 dependencies = [
  "bitflags",
  "gix-commitgraph",
@@ -1496,23 +1503,22 @@ dependencies = [
 
 [[package]]
 name = "gix-url"
-version = "0.27.5"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd280c5e84fb22e128ed2a053a0daeacb6379469be6a85e3d518a0636e160c89"
+checksum = "33e7c297c3265015c133a2c02199610b6e1373a09dc4be057d0c1b5285737f06"
 dependencies = [
  "bstr",
  "gix-features",
  "gix-path",
- "home",
  "thiserror",
  "url",
 ]
 
 [[package]]
 name = "gix-utils"
-version = "0.1.12"
+version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35192df7fd0fa112263bad8021e2df7167df4cc2a6e6d15892e1e55621d3d4dc"
+checksum = "ba427e3e9599508ed98a6ddf8ed05493db114564e338e41f6a996d2e4790335f"
 dependencies = [
  "fastrand",
  "unicode-normalization",
@@ -1520,9 +1526,9 @@ dependencies = [
 
 [[package]]
 name = "gix-validate"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81f2badbb64e57b404593ee26b752c26991910fd0d81fe6f9a71c1a8309b6c86"
+checksum = "e187b263461bc36cea17650141567753bc6207d036cedd1de6e81a52f277ff68"
 dependencies = [
  "bstr",
  "thiserror",
@@ -1530,9 +1536,9 @@ dependencies = [
 
 [[package]]
 name = "gix-worktree"
-version = "0.36.0"
+version = "0.37.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c312ad76a3f2ba8e865b360d5cb3aa04660971d16dec6dd0ce717938d903149a"
+checksum = "0d345e5b523550fe4fa0e912bf957de752011ccfc87451968fda1b624318f29c"
 dependencies = [
  "bstr",
  "gix-attributes",
@@ -2467,9 +2473,13 @@ dependencies = [
 
 [[package]]
 name = "prodash"
-version = "28.0.0"
+version = "29.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "744a264d26b88a6a7e37cbad97953fa233b94d585236310bcbc88474b4092d79"
+checksum = "a266d8d6020c61a437be704c5e618037588e1985c7dbb7bf8d265db84cffe325"
+dependencies = [
+ "log",
+ "parking_lot",
+]
 
 [[package]]
 name = "prost"
diff --git a/Cargo.toml b/Cargo.toml
index ee3f7139bf..881d820eb7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,7 +57,7 @@ git2 = { version = "0.19.0", features = [
     # https://github.com/rust-lang/git2-rs/commit/3cef4119f
     "vendored-libgit2"
 ] }
-gix = { version = "0.66.0", default-features = false, features = [
+gix = { version = "0.67.0", default-features = false, features = [
     "attributes",
     "blob-diff",
     "index",
diff --git a/lib/src/git_backend.rs b/lib/src/git_backend.rs
index 0e86e9f38b..5fab1e978e 100644
--- a/lib/src/git_backend.rs
+++ b/lib/src/git_backend.rs
@@ -1319,14 +1319,10 @@ impl Backend for GitBackend {
 
         let change_to_copy_record =
             |change: gix::object::tree::diff::Change| -> BackendResult<Option<CopyRecord>> {
-                let gix::object::tree::diff::Change {
+                let gix::object::tree::diff::Change::Rewrite {
+                    source_location,
+                    source_id,
                     location: dest_location,
-                    event:
-                        gix::object::tree::diff::change::Event::Rewrite {
-                            source_location,
-                            source_id,
-                            ..
-                        },
                     ..
                 } = change
                 else {
@@ -1353,19 +1349,19 @@ impl Backend for GitBackend {
             };
 
         let mut records: Vec<BackendResult<CopyRecord>> = Vec::new();
-        let mut change_platform = root_tree
+        root_tree
             .changes()
-            .map_err(|err| BackendError::Other(err.into()))?;
-        change_platform.track_path();
-        change_platform.track_rewrites(Some(gix::diff::Rewrites {
-            copies: Some(gix::diff::rewrites::Copies {
-                source: gix::diff::rewrites::CopySource::FromSetOfModifiedFiles,
-                percentage: Some(0.5),
-            }),
-            percentage: Some(0.5),
-            limit: 1000,
-        }));
-        change_platform
+            .map_err(|err| BackendError::Other(err.into()))?
+            .options(|opts| {
+                opts.track_path().track_rewrites(Some(gix::diff::Rewrites {
+                    copies: Some(gix::diff::rewrites::Copies {
+                        source: gix::diff::rewrites::CopySource::FromSetOfModifiedFiles,
+                        percentage: Some(0.5),
+                    }),
+                    percentage: Some(0.5),
+                    limit: 1000,
+                }));
+            })
             .for_each_to_obtain_tree_with_cache(
                 &head_tree,
                 &mut self.new_diff_platform()?,
@@ -1770,10 +1766,11 @@ mod tests {
         // libgit2-rs works with &strs here for some reason
         let commit_buf = std::str::from_utf8(&commit_buf).unwrap();
         let secure_sig =
-            "here are some ASCII bytes to be used as a test signature\n\ndefinitely not PGP";
+            "here are some ASCII bytes to be used as a test signature\n\ndefinitely not PGP\n";
 
+        // git2 appears to append newline unconditionally
         let git_commit_id = git_repo
-            .commit_signed(commit_buf, secure_sig, None)
+            .commit_signed(commit_buf, secure_sig.trim_end_matches('\n'), None)
             .unwrap();
 
         let backend = GitBackend::init_external(&settings, store_path, git_repo.path()).unwrap();
@@ -2157,7 +2154,7 @@ mod tests {
 
         let mut signer = |data: &_| {
             let hash: String = blake2b_hash(data).encode_hex();
-            Ok(format!("test sig\n\n\nhash={hash}").into_bytes())
+            Ok(format!("test sig\n\n\nhash={hash}\n").into_bytes())
         };
 
         let (id, commit) = backend