buildkit/hack/images

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#!/usr/bin/env bash
TAG=$1
REPO=$2
PUSH=$3
. $(dirname $0)/util
set -eu -o pipefail
: ${PLATFORMS=}
: ${TARGET=}
versionTag=$(git describe --always --tags --match "v[0-9]*")
if [[ ! "$versionTag" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
versionTag=""
fi
usage() {
echo "usage: $0 <tag> <repo> [push]"
exit 1
}
if [ -z "$TAG" ] || [ -z "$REPO" ]; then
usage
fi
platformFlag=""
if [ -n "$PLATFORMS" ]; then
platformFlag="--platform=$PLATFORMS"
fi
localmode=""
if [[ "$TAG" == "local" ]]; then
localmode="1"
if [ "$PUSH" = "push" ]; then
echo >&2 "local images cannot be pushed"
exit 1
fi
fi
outputFlag="--output=type=image,push=false"
if [ "$PUSH" = "push" ]; then
outputFlag="--output=type=image,push=true"
fi
if [ -n "$localmode" ]; then
outputFlag="--output=type=docker"
fi
targetFlag=""
if [ -n "$TARGET" ]; then
targetFlag="--target=$TARGET"
fi
tagNames="$REPO:$TAG"
if [ -n "$TARGET" ]; then
tagNames="$tagNames-$TARGET"
fi
if [[ "$versionTag" == "$TAG" ]]; then
if [ -n "$TARGET" ]; then
tagNames="$tagNames $REPO:$TARGET"
else
tagNames="$tagNames $REPO:latest"
fi
fi
importCacheFlags=""
for tagName in $tagNames; do
importCacheFlags="$importCacheFlags--cache-from=type=registry,ref=$tagName "
done
if [ -n "$cacheFromFlags" ]; then
importCacheFlags="$importCacheFlags$cacheFromFlags"
fi
if [ -n "$localmode" ]; then
importCacheFlags=""
fi
exportCacheFlags=""
if [ -n "$cacheToFlags" ]; then
exportCacheFlags="$cacheToFlags"
elif [ "$PUSH" = "push" ]; then
exportCacheFlags="$exportCacheFlags--cache-to=type=inline "
fi
tagFlags=""
for tagName in $tagNames; do
tagFlags="$tagFlags--tag=$tagName "
done
buildxCmd build $platformFlag $targetFlag $importCacheFlags $exportCacheFlags $tagFlags $outputFlag \
$currentcontext