reg/vendor/github.com/docker/docker-ce/components/packaging/static/gen-static-ver

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#!/usr/bin/env bash
ENGINE_DIR=$1
VERSION=$2
if [ -z "$ENGINE_DIR" ] || [ -z "$VERSION" ]; then
echo 'usage: ./gen-static-ver ${ENGINE_DIR} ${VERSION}'
exit 1
fi
DATE_COMMAND="date"
if [[ $(uname) -eq "Darwin" ]]; then
DATE_COMMAND="docker run --rm alpine date"
fi
GIT_COMMAND="git -C $ENGINE_DIR"
staticVersion="$VERSION"
if [[ "$VERSION" == *-dev ]]; then
gitUnix="$($GIT_COMMAND log -1 --pretty='%at')"
gitDate="$($DATE_COMMAND --date "@$gitUnix" +'%Y%m%d.%H%M%S')"
gitCommit="$($GIT_COMMAND log -1 --pretty='%h')"
staticVersion="0.${gitDate}-${gitCommit}"
fi
echo "$staticVersion"