PYTHON-5570 Do not freeze the lockfile (#2555)

Author: blink1073

.evergreen/scripts/setup-dev-env.sh

@@ -47,13 +47,13 @@ if [ -f $HOME/.visualStudioEnv.sh ]; then
   SSH_TTY=1 source $HOME/.visualStudioEnv.sh
   set -u
 fi
-uv sync --frozen
+uv sync
 
 echo "Setting up python environment... done."
 
 # Ensure there is a pre-commit hook if there is a git checkout.
 if [ -d .git ] && [ ! -f .git/hooks/pre-commit ]; then
-    uv run --frozen pre-commit install
+    uv run pre-commit install
 fi
 
 popd > /dev/null

.pre-commit-config.yaml

@@ -105,12 +105,6 @@ repos:
     # - test/test_client.py:188: te ==> the, be, we, to
     args: ["-L", "fle,fo,infinit,isnt,nin,te,aks"]
 
-- repo: https://github.com/astral-sh/uv-pre-commit
-  # uv version.
-  rev: 0.8.17
-  hooks:
-    - id: uv-lock
-
 - repo: local
   hooks:
   - id: executable-shell
@@ -128,3 +122,14 @@ repos:
     language: python
     require_serial: true
     additional_dependencies: ["shrub.py>=3.10.0", "pyyaml>=6.0.2"]
+
+  - id: uv-lock
+    name: uv-lock
+    entry: uv lock
+    language: python
+    require_serial: true
+    files: ^(uv\.lock|pyproject\.toml|requirements.txt|requirements/.*\.txt)$
+    pass_filenames: false
+    fail_fast: true
+    additional_dependencies:
+      - "uv>=0.8.4"

justfile

@@ -1,7 +1,5 @@
 # See https://just.systems/man/en/ for instructions
 set shell := ["bash", "-c"]
-# Do not modify the lock file when running justfile commands.
-export UV_FROZEN := "1"
 
 # Commonly used command segments.
 typing_run := "uv run --group typing --extra aws --extra encryption --extra ocsp --extra snappy --extra test --extra zstd"
@@ -16,7 +14,7 @@ default:
 
 [private]
 resync:
- @uv sync --quiet --frozen
+ @uv sync --quiet
 
 install:
    bash .evergreen/scripts/setup-dev-env.sh