docs/fingerprint: replace master with HEAD in URLs

sed -i 's#refs/heads/master#HEAD#g' *.md
sed -i 's#+/master#+/HEAD#g' *.md

BRANCH=none
BUG=none
TEST=view in gitiles

Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Change-Id: I1663701a16fd66b32d48358fa5a754247b9dbb5c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3188550
Reviewed-by: Edward Hill <ecgh@chromium.org>

6 files changed, 60 insertions, 60 deletions

diff --git a/docs/fingerprint/fingerprint-authentication-design-doc.md b/docs/fingerprint/fingerprint-authentication-design-doc.md
index ef94f402f3..7db552405a 100644
--- a/docs/fingerprint/fingerprint-authentication-design-doc.md
+++ b/docs/fingerprint/fingerprint-authentication-design-doc.md
@@ -714,37 +714,37 @@ The log file is `/var/log/cros_fp.log`.
 [Arm TrustZone]: https://www.arm.com/products/security-on-arm/trustzone
 [Authentication-Time User Secrets]: http://go/authentication-time-user-secrets
 [AuthSession]: https://chromium.googlesource.com/chromiumos/platform2/+/eae39a9ad1239f8fbfa8164255578b306ff6ba5c/biod/biometrics_manager.h#96
-[biod D-Bus API]: https://chromium.googlesource.com/chromiumos/platform2/+/refs/heads/master/system_api/dbus/biod/
-[biod upstart script]: https://chromium.googlesource.com/chromiumos/platform2/+/master/biod/init/biod.conf
+[biod D-Bus API]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/system_api/dbus/biod/
+[biod upstart script]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/biod/init/biod.conf
 [ccd open]: https://chromium.googlesource.com/chromiumos/platform/ec/+/cr50_stab/docs/case_closed_debugging_cr50.md#Open-CCD
 [CDD]: https://source.android.com/compatibility/android-cdd#7_3_10_fingerprint_sensor
-[Chromium OS EC]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/README.md
+[Chromium OS EC]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/README.md
 [clobber-state]: https://chromium.googlesource.com/chromiumos/platform2/+/962ab1bc481db0cf504b5449eb3a3d5008ea7601/init/clobber_state.cc#475
-[cryptohome daemon store folder]: https://chromium.googlesource.com/chromiumos/docs/+/master/sandboxing.md#securely-mounting-cryptohome-daemon-store-folders
+[cryptohome daemon store folder]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/sandboxing.md#securely-mounting-cryptohome-daemon-store-folders
 [cryptohome]: https://www.chromium.org/chromium-os/chromiumos-design-docs/protecting-cached-user-data
 [Detachable Base Swap Detection]: https://docs.google.com/document/d/1WYdkkSAL_RHVc5mUXnAvBBfAeM7Wj3ABa1dbeTdvm74/edit#heading=h.g74ijelumqop
 [Detachable Base Verified Boot Anti-Rollback]: http://go/detachable-base-vboot#heading=h.fimcm174ok3
 [Detachable Base Verified Boot]: http://go/detachable-base-vboot#heading=h.dolfbdpggye6
-[EC primitives]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/README.md#Software-Features
+[EC primitives]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/README.md#Software-Features
 [EnrollSession]: https://chromium.googlesource.com/chromiumos/platform2/+/eae39a9ad1239f8fbfa8164255578b306ff6ba5c/biod/biometrics_manager.h#92
 [fingerprint authentication framework]: https://developer.android.com/about/versions/marshmallow/android-6.0.html#fingerprint-authentication
-[fuzzed]: https://chromium.googlesource.com/chromiumos/platform2/+/master/biod/biod_storage_fuzzer.cc
+[fuzzed]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/biod/biod_storage_fuzzer.cc
 [Global Read-out Protection (RDP) mode Level 1]: https://www.st.com/content/ccc/resource/technical/document/application_note/b4/14/62/81/18/57/48/05/DM00075930.pdf/files/DM00075930.pdf/jcr:content/translations/en.DM00075930.pdf
 [HKDF]: https://tools.ietf.org/html/rfc5869
 [Input Key Material (IKM)]: https://en.wikipedia.org/wiki/HKDF
 [Intel SGX]: https://software.intel.com/en-us/sgx
 [macOS]: https://support.apple.com/en-us/HT207054
-[malloc/free memory module for Chrome EC]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/common/shmalloc.c
+[malloc/free memory module for Chrome EC]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/common/shmalloc.c
 [matching algorithm]: https://en.wikipedia.org/wiki/Fingerprint#Algorithms
-[mount_encrypted]: https://chromium.googlesource.com/chromiumos/platform2/+/master/cryptohome/mount_encrypted
+[mount_encrypted]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/cryptohome/mount_encrypted
 [New UKM collection review - CrOS FP Unlock]: https://docs.google.com/document/d/1qjDCMcBcrhSeg_uwyEIRsXHKmzUTJahcg6a4YVhkuLo
 [Old Design Doc]: https://docs.google.com/document/d/1MdPRmCDkVg1HO9DdbvPT5fDZS2ICg5ys9_ok_K95EEU
 [PDD is here]: http://go/cros-fingerprint-pdd
 [Privacy fields for Fingerprints]: https://docs.google.com/spreadsheets/d/1jLfnuhfbrImpoxuj92OkAxS_GGrm7QkpQhsUQCkO9ec
 [Privacy fields for Fingerprints]: https://docs.google.com/spreadsheets/d/1jLfnuhfbrImpoxuj92OkAxS_GGrm7QkpQhsUQCkO9ec/
 [RM0433]: https://www.st.com/content/ccc/resource/technical/document/reference_manual/group0/c9/a3/76/fa/55/46/45/fa/DM00314099/files/DM00314099.pdf/jcr:content/translations/en.DM00314099.pdf
-[sandboxing]: https://chromium.googlesource.com/chromiumos/docs/+/master/sandboxing.md
-[seccomp filter]: https://chromium.googlesource.com/chromiumos/platform2/+/master/biod/init/seccomp/biod-seccomp-amd64.policy
+[sandboxing]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/sandboxing.md
+[seccomp filter]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/biod/init/seccomp/biod-seccomp-amd64.policy
 [Security Audit Report]: https://drive.google.com/a/google.com/file/d/0B1HHKpeDpzYnMDdocGxwWUhpckpWM0hMU0tPa2ZjdEFnLU53/
 [state machine]: https://chromium.googlesource.com/chromiumos/platform/ec/+/90d177e3f0ae729bea7e24934a3c6ef9f2520d45/common/fpsensor.c#252
 [statically allocated]: https://chromium.googlesource.com/chromiumos/platform/ec/+/90d177e3f0ae729bea7e24934a3c6ef9f2520d45/common/fpsensor.c#57
diff --git a/docs/fingerprint/fingerprint-dev-for-partners.md b/docs/fingerprint/fingerprint-dev-for-partners.md
index f8a8656d89..2d9332db5b 100644
--- a/docs/fingerprint/fingerprint-dev-for-partners.md
+++ b/docs/fingerprint/fingerprint-dev-for-partners.md
@@ -603,27 +603,27 @@ Make sure that this interface is disabled:
 <!-- Links -->
 
 [EC]: https://chromium.googlesource.com/chromiumos/platform/ec
-[ectool_servo_spi]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/util/comm-servo-spi.c#15
-[servo]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/master/README.md
-[developer mode]: https://chromium.googlesource.com/chromiumos/docs/+/master/debug_buttons.md#firmware-keyboard-interface
-[hardware write protection]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/docs/write_protection.md
-[have the prerequisites]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#Prerequisites
-[get the source]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#get-the-source
-[enter the `chroot`]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#building-chromium-os
-[Chromium OS Contributing Guide]: https://chromium.googlesource.com/chromiumos/docs/+/master/contributing.md
-[Servo Micro Info]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/master/docs/servo_micro.md
-[Set your editor]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#Set-your-editor
+[ectool_servo_spi]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/util/comm-servo-spi.c#15
+[servo]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/HEAD/README.md
+[developer mode]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/debug_buttons.md#firmware-keyboard-interface
+[hardware write protection]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/docs/write_protection.md
+[have the prerequisites]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#Prerequisites
+[get the source]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#get-the-source
+[enter the `chroot`]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#building-chromium-os
+[Chromium OS Contributing Guide]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/contributing.md
+[Servo Micro Info]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/HEAD/docs/servo_micro.md
+[Set your editor]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#Set-your-editor
 [Life of a patch]: https://source.android.com/setup/contribute/life-of-a-patch
 [Git: Concepts and Workflow]: https://docs.google.com/presentation/d/1IQCRPHEIX-qKo7QFxsD3V62yhyGA9_5YsYXFOiBpgkk/
 [Gerrit: Concepts and Workflow]: https://docs.google.com/presentation/d/1C73UgQdzZDw0gzpaEqIC6SPujZJhqamyqO1XOHjH-uk/
 [Public Gerrit]: https://chromium-review.googlesource.com
-[Power Measurement Documentation]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/master/docs/power_measurement.md
+[Power Measurement Documentation]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/HEAD/docs/power_measurement.md
 [Internal Gerrit]: https://chrome-internal-review.googlesource.com
 [Gerrit Credentials Setup]: https://www.chromium.org/chromium-os/developer-guide/gerrit-guide
 [Micro USB Cable]: https://www.monoprice.com/product?p_id=9762
 [PNM]: https://en.wikipedia.org/wiki/Netpbm_format
-[Git and Gerrit Intro for Chromium OS]: https://chromium.googlesource.com/chromiumos/docs/+/master/git_and_gerrit_intro.md
-[Installing Chromium]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#installing-chromium-os-on-your-device
+[Git and Gerrit Intro for Chromium OS]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/git_and_gerrit_intro.md
+[Installing Chromium]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#installing-chromium-os-on-your-device
 [FPMCU documentation]: ./fingerprint.md
 [Fingerprint Debugging]: ./fingerprint-debugging.md
 [dragonclaw schematics]: ../schematics/dragonclaw
diff --git a/docs/fingerprint/fingerprint-factory-quick-guide.md b/docs/fingerprint/fingerprint-factory-quick-guide.md
index aeb84f157b..c9478bf99a 100644
--- a/docs/fingerprint/fingerprint-factory-quick-guide.md
+++ b/docs/fingerprint/fingerprint-factory-quick-guide.md
@@ -41,7 +41,7 @@ Please add
 [fingerprint\_mcu.py](https://chromium.git.corp.google.com/chromiumos/platform/factory/+/a283609cd8446ba4a4b75c2e1d84c9ba24ea8422/py/test/pytests/fingerprint_mcu.py)
 to your device test list. A more detailed description about this test can be
 found
-[here](https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/docs/fingerprint/fingerprint-factory-requirements.md).
+[here](https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/docs/fingerprint/fingerprint-factory-requirements.md).
 
 ### Initialize FPMCU entropy in factory finalization
 
@@ -78,7 +78,7 @@ to reset rollback\_block\_id and entropy. So the follow-up re-finalization
 ## References
 
 *   CrOS fingerprint factory requirements:
-    [doc link](https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/docs/fingerprint/fingerprint-factory-requirements.md)
+    [doc link](https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/docs/fingerprint/fingerprint-factory-requirements.md)
 *   The summary of CLs:
     *   Add a factory script to update FPMCU firmware:
         [crrev/c/1918679](https://chromium-review.googlesource.com/c/chromiumos/platform/factory/+/1918679),
diff --git a/docs/fingerprint/fingerprint-factory-requirements.md b/docs/fingerprint/fingerprint-factory-requirements.md
index 0b9659efb3..0fc99e2740 100644
--- a/docs/fingerprint/fingerprint-factory-requirements.md
+++ b/docs/fingerprint/fingerprint-factory-requirements.md
@@ -483,12 +483,12 @@ Wrote /tmp/fp.0.png (14085 bytes)
 Wrote /tmp/fp.1.png (14025 bytes)
 ```
 
-[Software Write Protect]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/docs/write_protection.md#Software-Write-Protect
-[hardware write protect]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/docs/write_protection.md#hw_wp
+[Software Write Protect]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/docs/write_protection.md#Software-Write-Protect
+[hardware write protect]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/docs/write_protection.md#hw_wp
 [FPC1025: Module Test Specification]: http://go/cros-fingerprint-fpc1025-module-test-spec
 [FPC1145: Module Test Specification]: http://go/cros-fingerprint-fpc1145-module-test-spec
 [FPC In-Device Test Specification]: http://go/cros-fingerprint-fpc-indevice-test-spec
-[`fingerprint_mcu.py`]: https://chromium.googlesource.com/chromiumos/platform/factory/+/master/py/test/pytests/fingerprint_mcu.py
+[`fingerprint_mcu.py`]: https://chromium.googlesource.com/chromiumos/platform/factory/+/HEAD/py/test/pytests/fingerprint_mcu.py
 [Checkerboard Test]: https://chromium.googlesource.com/chromiumos/platform/factory/+/d23ebc7eeb074760e8a720e3acac4cfe4073b2ae/py/test/pytests/fingerprint_mcu.py#166
 [GetSensorIdErrors]: https://chromium.googlesource.com/chromiumos/platform/factory/+/d23ebc7eeb074760e8a720e3acac4cfe4073b2ae/py/test/utils/fpmcu_utils.py#73
 [GetSensorId]: https://chromium.googlesource.com/chromiumos/platform/factory/+/d23ebc7eeb074760e8a720e3acac4cfe4073b2ae/py/test/utils/fpmcu_utils.py#65
@@ -496,7 +496,7 @@ Wrote /tmp/fp.1.png (14025 bytes)
 [rubber_finger_present]: https://chromium.googlesource.com/chromiumos/platform/factory/+/d23ebc7eeb074760e8a720e3acac4cfe4073b2ae/py/test/pytests/fingerprint_mcu.py#330
 [Chrome OS Fingerprint Team]: http://go/cros-fingerprint-docs
 [Factory Fingerprint Sensor Testing for `nocturne`]: http://go/fingerprint-factory-testing-nocturne
-[`flash_fp_mcu`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/util/flash_fp_mcu
+[`flash_fp_mcu`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/util/flash_fp_mcu
 [Fingerprint flashing documentation]: ./fingerprint.md#factory-rma-dev-updates
-[Chrome OS Config]: https://chromium.googlesource.com/chromiumos/platform2/+/master/chromeos-config/README.md
+[Chrome OS Config]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/chromeos-config/README.md
 [updating Chrome OS Config]: ./fingerprint.md#update-chromeos-config
diff --git a/docs/fingerprint/fingerprint-firmware-testing-for-partners.md b/docs/fingerprint/fingerprint-firmware-testing-for-partners.md
index b96d94b1de..3432bb0aac 100644
--- a/docs/fingerprint/fingerprint-firmware-testing-for-partners.md
+++ b/docs/fingerprint/fingerprint-firmware-testing-for-partners.md
@@ -104,9 +104,9 @@ test_that --board=<BOARD> <IP> suite:fingerprint
 
 <!-- Links -->
 
-[servo debugger]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/master/docs/servo.md
-[developer mode]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_mode.md
+[servo debugger]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/HEAD/docs/servo.md
+[developer mode]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_mode.md
 [CCD]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/cr50_stab/docs/case_closed_debugging.md
-[Servo V4]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/master/docs/servo_v4.md
-[have the prerequisites]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#Prerequisites
-[get the source]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#get-the-source
+[Servo V4]: https://chromium.googlesource.com/chromiumos/third_party/hdctools/+/HEAD/docs/servo_v4.md
+[have the prerequisites]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#Prerequisites
+[get the source]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#get-the-source
diff --git a/docs/fingerprint/fingerprint.md b/docs/fingerprint/fingerprint.md
index 8af72df44d..39785f5afb 100644
--- a/docs/fingerprint/fingerprint.md
+++ b/docs/fingerprint/fingerprint.md
@@ -526,48 +526,48 @@ determines the [SKU information][Chrome OS Config SKU] (and thus the
 [fingerprint config][Chrome OS Config fingerprint]) from [CBI Info]. The SKU for
 a given device can be found by viewing `chrome://system/#platform_identity_sku`.
 
-[`common/fpsensor`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/common/fpsensor/
-[`driver/fingerprint`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/driver/fingerprint
-[`nocturne_fp`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/board/nocturne_fp/
-[`nami_fp`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/board/nami_fp/
-[`hatch_fp`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/board/hatch_fp/
-[`bloonchipper`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/board/bloonchipper/
-[`dartmonkey`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/board/dartmonkey/
+[`common/fpsensor`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/common/fpsensor/
+[`driver/fingerprint`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/driver/fingerprint
+[`nocturne_fp`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/board/nocturne_fp/
+[`nami_fp`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/board/nami_fp/
+[`hatch_fp`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/board/hatch_fp/
+[`bloonchipper`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/board/bloonchipper/
+[`dartmonkey`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/board/dartmonkey/
 [hardware write protection]: ../write_protection.md
-[`flash_fp_mcu`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/util/flash_fp_mcu
+[`flash_fp_mcu`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/util/flash_fp_mcu
 [`stm32mon`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/e1f3f89e7ea7945adddd0c2e6838f5e59856cff2/util/stm32mon.c#14
-[`futility`]: https://chromium.googlesource.com/chromiumos/platform/vboot_reference/+/master/futility/
-[`sign_official_build.sh`]: https://chromium.googlesource.com/chromiumos/platform/vboot_reference/+/master/scripts/image_signing/sign_official_build.sh
+[`futility`]: https://chromium.googlesource.com/chromiumos/platform/vboot_reference/+/HEAD/futility/
+[`sign_official_build.sh`]: https://chromium.googlesource.com/chromiumos/platform/vboot_reference/+/HEAD/scripts/image_signing/sign_official_build.sh
 [vboot_key_id]: https://chromium.googlesource.com/chromiumos/platform/vboot_reference/+/e7db36856ce418552637d1981c173d22dfe5bf39/firmware/2lib/include/2id.h#5
 [vb2_public_key]: https://chromium.googlesource.com/chromiumos/platform/vboot_reference/+/e7db36856ce418552637d1981c173d22dfe5bf39/firmware/2lib/include/2rsa.h#14
 [chatty-firmware-q]: https://groups.google.com/a/google.com/d/msg/chromeos-chatty-firmware/ZSg423wsFPg/26UbdGwjFQAJ
 [`fp_updater.sh`]: http://go/cros-fp-updater-nocturne-source
-[`bio_fw_updater`]: https://chromium.googlesource.com/chromiumos/platform2/+/refs/heads/master/biod/tools
+[`bio_fw_updater`]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/biod/tools
 [`flashrom`]: https://chromium.googlesource.com/chromiumos/third_party/flashrom/
 [STM32F412]: https://www.st.com/resource/en/reference_manual/dm00180369.pdf
 [STM32H743]: https://www.st.com/resource/en/reference_manual/dm00314099.pdf
-[`board/nocturne_fp/dev_key.pem`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/board/nocturne_fp/dev_key.pem
-[`timberslide`]: https://chromium.googlesource.com/chromiumos/platform2/+/master/timberslide
+[`board/nocturne_fp/dev_key.pem`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/board/nocturne_fp/dev_key.pem
+[`timberslide`]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/timberslide
 [cros_ec_debugfs]: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/9db44685934a2e4bc9180ea2de87a6c429672395/drivers/platform/chrome/cros_ec_debugfs.c
 [Fingerprint Factory Requirements]: ./fingerprint-factory-requirements.md
-[Chromium OS test image]: https://chromium.googlesource.com/chromiumos/platform/factory/+/master/README.md#building-test-image
-[Chrome OS Config]: https://chromium.googlesource.com/chromiumos/platform2/+/master/chromeos-config/README.md
-[Chrome OS Config fingerprint]: https://chromium.googlesource.com/chromiumos/platform2/+/refs/heads/master/chromeos-config/README.md#fingerprint
-[section on testing properties]: https://chromium.googlesource.com/chromiumos/platform2/+/refs/heads/master/chromeos-config/README.md#adding-and-testing-new-properties
-[Chrome OS board]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#Select-a-board
+[Chromium OS test image]: https://chromium.googlesource.com/chromiumos/platform/factory/+/HEAD/README.md#building-test-image
+[Chrome OS Config]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/chromeos-config/README.md
+[Chrome OS Config fingerprint]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/chromeos-config/README.md#fingerprint
+[section on testing properties]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/chromeos-config/README.md#adding-and-testing-new-properties
+[Chrome OS board]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#Select-a-board
 [biod chromium-os]: https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/4ea72b588af3394cb9fd1c330dcf726472183dfd/virtual/target-chromium-os/target-chromium-os-1.ebuild#154
 [hatch make.defaults]: https://chromium.googlesource.com/chromiumos/overlays/board-overlays/+/2f075f0e7ce09d3eb460f3c529da463a6201276c/overlay-hatch/profiles/base/make.defaults#22
-[Hatch baseboard `make.defaults`]: https://chrome-internal.googlesource.com/chromeos/overlays/baseboard-hatch-private/+/refs/heads/master/profiles/base/make.defaults#17
-[hatch model.yaml]: https://chrome-internal.googlesource.com/chromeos/overlays/overlay-hatch-private/+/master/chromeos-base/chromeos-config-bsp-hatch-private/files/model.yaml
-[`ec_extras` attribute]: https://chromium.googlesource.com/chromiumos/platform2/+/refs/heads/master/chromeos-config/README.md#build_targets
+[Hatch baseboard `make.defaults`]: https://chrome-internal.googlesource.com/chromeos/overlays/baseboard-hatch-private/+/HEAD/profiles/base/make.defaults#17
+[hatch model.yaml]: https://chrome-internal.googlesource.com/chromeos/overlays/overlay-hatch-private/+/HEAD/chromeos-base/chromeos-config-bsp-hatch-private/files/model.yaml
+[`ec_extras` attribute]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/chromeos-config/README.md#build_targets
 [FPMCU_FIRMWARE make.defaults]: https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/4ea72b588af3394cb9fd1c330dcf726472183dfd/profiles/base/make.defaults#157
 [`USE` flag]: https://devmanual.gentoo.org/general-concepts/use-flags/index.html
 [`USE` flags]: https://devmanual.gentoo.org/general-concepts/use-flags/index.html
 [biod release firmware]: https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/4ea72b588af3394cb9fd1c330dcf726472183dfd/chromeos-base/biod/biod-9999.ebuild#49
-[`chromeos-firmware-fpmcu` ebuild]: https://chrome-internal.googlesource.com/chromeos/overlays/chromeos-overlay/+/refs/heads/master/chromeos-base/chromeos-firmware-fpmcu/chromeos-firmware-fpmcu-9999.ebuild
-[firmware ebuild]: https://chrome-internal.googlesource.com/chromeos/overlays/chromeos-overlay/+/refs/heads/master/chromeos-base/chromeos-firmware-fpmcu/chromeos-firmware-fpmcu-9999.ebuild#40
-[`chromeos-fpmcu-release*` ebuilds]: https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/master/sys-firmware
-[internal manifest]: https://chromium.googlesource.com/chromiumos/docs/+/master/developer_guide.md#get-the-source-code
+[`chromeos-firmware-fpmcu` ebuild]: https://chrome-internal.googlesource.com/chromeos/overlays/chromeos-overlay/+/HEAD/chromeos-base/chromeos-firmware-fpmcu/chromeos-firmware-fpmcu-9999.ebuild
+[firmware ebuild]: https://chrome-internal.googlesource.com/chromeos/overlays/chromeos-overlay/+/HEAD/chromeos-base/chromeos-firmware-fpmcu/chromeos-firmware-fpmcu-9999.ebuild#40
+[`chromeos-fpmcu-release*` ebuilds]: https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/HEAD/sys-firmware
+[internal manifest]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/developer_guide.md#get-the-source-code
 [Unit Tests]: ../unit_tests.md
 [run the unit tests]: ../unit_tests.md#running
 [Measuring Power]: ./fingerprint-dev-for-partners.md#measure-power