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setup_uv: honour a project's required-version pin #58

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Merged
MickLesk merged 1 commit into from
Sep 22, 2026
Merged

setup_uv: honour a project's required-version pin #58

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1 change: 1 addition & 0 deletions lib/API.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ _setup_nvidia_gpu
_setup_rocm
_tools_cleanup_temp_dirs
_tools_register_temp_cleanup
_uv_required_version
cache_installed_version
check_for_codeberg_release
check_for_gh_branch
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25 changes: 24 additions & 1 deletion lib/runtime.func
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Expand Up @@ -2473,7 +2473,27 @@ setup_rust() {
# - Optionally installs a specific Python version via uv
# ------------------------------------------------------------------------------

# uv refuses to run when a project pins a required-version it does not match,
# in either direction. Only the exact form is read; a range falls through to
# whatever the caller would have installed anyway.
_uv_required_version() {
local dir="${1:?dir}" f v
for f in "$dir/pyproject.toml" "$dir/uv.toml"; do
[[ -f "$f" ]] || continue
v="$(grep -m1 -E '^[[:space:]]*required-version[[:space:]]*=' "$f" 2>/dev/null |
sed -E 's/.*=[[:space:]]*"[[:space:]]*==[[:space:]]*([0-9][0-9A-Za-z.+-]*)"[[:space:]]*$/\1/')"
if [[ "$v" =~ ^[0-9] ]]; then
echo "$v"
return 0
fi
done
return 1
}

# UV_PROJECT_DIR - optional project directory; its uv pin wins over the latest
# release. Set as a prefix, like PYTHON_VERSION and UV_VERSION.
setup_uv() {
local PROJECT_DIR="${UV_PROJECT_DIR:-}"
local UV_BIN="/usr/local/bin/uv"
local UVX_BIN="/usr/local/bin/uvx"
local TMP_DIR=$(mktemp -d)
Expand Down Expand Up @@ -2510,8 +2530,11 @@ setup_uv() {

ensure_dependencies jq

# Fetch target version (pinned via UV_VERSION or latest release)
# Fetch target version (UV_VERSION, then the project's own pin, then latest)
local TARGET_VERSION="${UV_VERSION:-}"
if [[ -z "$TARGET_VERSION" && -n "$PROJECT_DIR" ]]; then
TARGET_VERSION="$(_uv_required_version "$PROJECT_DIR")" || TARGET_VERSION=""
fi
if [[ -z "$TARGET_VERSION" ]]; then
TARGET_VERSION=$(get_latest_github_release "astral-sh/uv") || {
msg_error "Could not fetch latest uv version from GitHub API"
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