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Dockerfile: allow building from git worktree

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2026-01-12 23:56:32 -08:00
parent 57726ab769
commit 984dc0e5ac
1 changed files with 11 additions and 2 deletions
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13
Dockerfile
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@@ -73,10 +73,19 @@ ENV GOFLAGS=-mod=vendor
FROM buildkit-base AS buildkit-version
# TODO: PKG should be inferred from go modules
RUN --mount=target=. <<'EOT'
git rev-parse HEAD 2>/dev/null || {
# if git is worktree (file starting with gitdir:) then skip verions check
if [ -f .git ] && head -1 .git | grep -q "^gitdir:"; then
echo >&2 "Skipping version check for worktree"
# set dev stubs
echo "-X github.com/moby/buildkit/version.Version=dev -X github.com/moby/buildkit/version.Revision=dev -X github.com/moby/buildkit/version.Package=github.com/moby/buildkit" > /tmp/.ldflags;
echo -n "dev" > /tmp/.version;
echo -n "$(date -u +%Y-%m-%dT%H:%M:%SZ)" > /tmp/.commit_date;
exit 0
fi
if ! git rev-parse HEAD 2>/dev/null; then
echo >&2 "Failed to get git revision, make sure --build-arg BUILDKIT_CONTEXT_KEEP_GIT_DIR=1 is set when building from Git directly"
exit 1
}
fi
set -ex
export PKG=github.com/moby/buildkit VERSION=$(git describe --match 'v[0-9]*' --dirty='.m' --always --tags) REVISION=$(git rev-parse HEAD)$(if ! git diff --no-ext-diff --quiet --exit-code; then echo .m; fi) COMMIT_DATE=$(git show -s --format=%cI HEAD);
echo "-X ${PKG}/version.Version=${VERSION} -X ${PKG}/version.Revision=${REVISION} -X ${PKG}/version.Package=${PKG}" > /tmp/.ldflags;