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ci(buildkit): remove misleading code from buildkit-ref

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Post-f8c0d92a22bad004cb9cbb4db704495527521c42, BUILDKIT_REPO doesn't
really do what it claims to. Instead, don't allow overloading since the
import path for BuildKit is always the same, and make clear the
provenance of values when generating the final variable definitions.

We also better document the script, and follow some best practices for
both POSIX sh and Bash.

Signed-off-by: Bjorn Neergaard <bjorn.neergaard@docker.com>
(cherry picked from commit 4ecc01f3ad)
Signed-off-by: Bjorn Neergaard <bjorn.neergaard@docker.com>
This commit is contained in:
Bjorn Neergaard 2023-07-18 08:12:02 -06:00
parent 091ceed44f
commit 84cb1c6705
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1 changed files with 17 additions and 11 deletions
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28
hack/buildkit-ref
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@ -1,8 +1,12 @@
#!/usr/bin/env bash
# This script returns the current BuildKit ref being used in moby.
# This script returns the current BuildKit ref and source repository being used.
# This script will only work with a BuildKit repository hosted on GitHub.
# If BUILDKIT_REF is already set in the environment, it will be returned as-is.
#
# The output of this script may be valid shell script, but is intended for use with
# GitHub Actions' $GITHUB_ENV.
: "${BUILDKIT_REPO=moby/buildkit}"
: "${BUILDKIT_REF=}"
buildkit_pkg=github.com/moby/buildkit
if [ -n "$BUILDKIT_REF" ]; then
echo "$BUILDKIT_REF"
@ -10,16 +14,18 @@ if [ -n "$BUILDKIT_REF" ]; then
fi
# get buildkit version from vendor.mod
BUILDKIT_REF=$(./hack/with-go-mod.sh go list -mod=mod -modfile=vendor.mod -u -m -f '{{if .Replace}}{{.Replace.Version}}{{else}}{{.Version}}{{end}}' "github.com/${BUILDKIT_REPO}")
BUILDKIT_REPO=$(./hack/with-go-mod.sh go list -mod=mod -modfile=vendor.mod -u -m -f '{{if .Replace}}{{.Replace.Path}}{{else}}{{.Path}}{{end}}' "github.com/${BUILDKIT_REPO}")
BUILDKIT_REPO=${BUILDKIT_REPO#github.com/}
buildkit_ref=$(./hack/with-go-mod.sh go list -mod=mod -modfile=vendor.mod -u -m -f '{{if .Replace}}{{.Replace.Version}}{{else}}{{.Version}}{{end}}' "$buildkit_pkg")
buildkit_repo=$(./hack/with-go-mod.sh go list -mod=mod -modfile=vendor.mod -u -m -f '{{if .Replace}}{{.Replace.Path}}{{else}}{{.Path}}{{end}}' "$buildkit_pkg")
buildkit_repo=${buildkit_repo#github.com/}
if [[ "${BUILDKIT_REF}" == *-*-* ]]; then
if [[ "${buildkit_ref}" == *-*-* ]]; then
# if pseudo-version, figure out just the uncommon sha (https://github.com/golang/go/issues/34745)
BUILDKIT_REF=$(echo "${BUILDKIT_REF}" | awk -F"-" '{print $NF}' | awk 'BEGIN{FIELDWIDTHS="7"} {print $1}')
buildkit_ref=$(awk -F"-" '{print $NF}' <<< "$buildkit_ref" | awk 'BEGIN{FIELDWIDTHS="7"} {print $1}')
# use github api to return full sha to be able to use it as ref
BUILDKIT_REF=$(curl -s "https://api.github.com/repos/${BUILDKIT_REPO}/commits/${BUILDKIT_REF}" | jq -r .sha)
buildkit_ref=$(curl -s "https://api.github.com/repos/${buildkit_repo}/commits/${buildkit_ref}" | jq -r .sha)
fi
echo "BUILDKIT_REPO=$BUILDKIT_REPO"
echo "BUILDKIT_REF=$BUILDKIT_REF"
cat << EOF
BUILDKIT_REPO=$buildkit_repo
BUILDKIT_REF=$buildkit_ref
EOF