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docker-node
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Improve coding style of shell scripts

This commit is contained in:
Peter Dave Hello 2018-05-18 00:31:30 +08:00
parent 16a8690e1d
commit bb92568f3a
5 changed files with 107 additions and 106 deletions
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54
functions.sh
View File

@ -1,5 +1,5 @@
#!/bin/bash #!/usr/bin/env bash
#
# Utlity functions # Utlity functions
info() { info() {
@ -37,12 +37,12 @@ function get_arch() {
arch="arm32v7" arch="arm32v7"
;; ;;
*) *)
echo "$0 does not support architecture $arch ... aborting" echo "$0 does not support architecture ${arch} ... aborting"
exit 1 exit 1
;; ;;
esac esac
echo "$arch" echo "${arch}"
} }
# Get corresponding variants based on the architecture. # Get corresponding variants based on the architecture.
@ -62,12 +62,12 @@ function get_variants() {
arch=$(get_arch) arch=$(get_arch)
variantsfilter=("$@") variantsfilter=("$@")
IFS=' ' read -ra availablevariants <<<"$(grep "^$arch" "$dir/architectures" | sed -E 's/'"$arch"'[[:space:]]*//' | sed -E 's/,/ /g')" IFS=' ' read -ra availablevariants <<<"$(grep "^${arch}" "${dir}/architectures" | sed -E 's/'"${arch}"'[[:space:]]*//' | sed -E 's/,/ /g')"
if [ ${#variantsfilter[@]} -gt 0 ]; then if [ ${#variantsfilter[@]} -gt 0 ]; then
for variant1 in "${availablevariants[@]}"; do for variant1 in "${availablevariants[@]}"; do
for variant2 in "${variantsfilter[@]}"; do for variant2 in "${variantsfilter[@]}"; do
if [[ "$variant1" == "$variant2" ]]; then if [ "$variant1" = "$variant2" ]; then
variants+=("$variant1") variants+=("$variant1")
fi fi
done done
@ -100,16 +100,16 @@ function get_supported_arches() {
shift shift
# Get default supported arches # Get default supported arches
lines=$(grep "$variant" "$(dirname "$version")"/architectures 2>/dev/null | cut -d' ' -f1) lines=$(grep "$variant" "$(dirname "${version}")"/architectures 2>/dev/null | cut -d' ' -f1)
# Get version specific supported architectures if there is specialized information # Get version specific supported architectures if there is specialized information
if [ -a "$version"/architectures ]; then if [ -a "${version}"/architectures ]; then
lines=$(grep "$variant" "$version"/architectures 2>/dev/null | cut -d' ' -f1) lines=$(grep "$variant" "${version}"/architectures 2>/dev/null | cut -d' ' -f1)
fi fi
while IFS='' read -r line; do while IFS='' read -r line; do
arches+=("$line") arches+=("${line}")
done <<<"$lines" done <<<"${lines}"
echo "${arches[@]}" echo "${arches[@]}"
} }
@ -127,7 +127,7 @@ function get_config() {
shift shift
local value local value
value=$(grep "^$name" "$dir/config" | sed -E 's/'"$name"'[[:space:]]*//') value=$(grep "^$name" "${dir}/config" | sed -E 's/'"$name"'[[:space:]]*//')
echo "$value" echo "$value"
} }
@ -150,13 +150,13 @@ function get_versions() {
fi fi
for dir in "${dirs[@]}"; do for dir in "${dirs[@]}"; do
if [ -a "$dir/config" ]; then if [ -a "${dir}/config" ]; then
local subdirs local subdirs
IFS=' ' read -ra subdirs <<<"$(get_versions "${dir#./}")" IFS=' ' read -ra subdirs <<<"$(get_versions "${dir#./}")"
for subdir in "${subdirs[@]}"; do for subdir in "${subdirs[@]}"; do
versions+=("$subdir") versions+=("$subdir")
done done
elif [ -a "$dir/Dockerfile" ]; then elif [ -a "${dir}/Dockerfile" ]; then
versions+=("${dir#./}") versions+=("${dir#./}")
fi fi
done done
@ -171,7 +171,7 @@ function get_fork_name() {
version=$1 version=$1
shift shift
IFS='/' read -ra versionparts <<<"$version" IFS='/' read -ra versionparts <<<"${version}"
if [ ${#versionparts[@]} -gt 1 ]; then if [ ${#versionparts[@]} -gt 1 ]; then
echo "${versionparts[0]}" echo "${versionparts[0]}"
fi fi
@ -182,7 +182,7 @@ function get_full_version() {
version=$1 version=$1
shift shift
grep -m1 'ENV NODE_VERSION ' "$version/Dockerfile" | cut -d' ' -f3 grep -m1 'ENV NODE_VERSION ' "${version}/Dockerfile" | cut -d' ' -f3
} }
function get_major_minor_version() { function get_major_minor_version() {
@ -191,9 +191,9 @@ function get_major_minor_version() {
shift shift
local fullversion local fullversion
fullversion=$(get_full_version "$version") fullversion=$(get_full_version "${version}")
echo "$(echo "$fullversion" | cut -d'.' -f1).$(echo "$fullversion" | cut -d'.' -f2)" echo "$(echo "${fullversion}" | cut -d'.' -f1).$(echo "${fullversion}" | cut -d'.' -f2)"
} }
function get_tag() { function get_tag() {
@ -206,14 +206,14 @@ function get_tag() {
shift shift
local tagversion local tagversion
if [ "$versiontype" = full ]; then if [ "${versiontype}" = full ]; then
tagversion=$(get_full_version "$version") tagversion=$(get_full_version "${version}")
elif [ "$versiontype" = majorminor ]; then elif [ "${versiontype}" = majorminor ]; then
tagversion=$(get_major_minor_version "$version") tagversion=$(get_major_minor_version "${version}")
fi fi
local tagparts local tagparts
IFS=' ' read -ra tagparts <<<"$(get_fork_name "$version") $tagversion" IFS=' ' read -ra tagparts <<<"$(get_fork_name "${version}") ${tagversion}"
IFS='-' IFS='-'
echo "${tagparts[*]}" echo "${tagparts[*]}"
unset IFS unset IFS
@ -230,12 +230,12 @@ function sort_versions() {
unset IFS unset IFS
while IFS='' read -r line; do while IFS='' read -r line; do
sorted+=("$line") sorted+=("${line}")
done <<<"$(echo "$lines" | grep "^[0-9]" | sort -r)" done <<<"$(echo "${lines}" | grep "^[0-9]" | sort -r)"
while IFS='' read -r line; do while IFS='' read -r line; do
sorted+=("$line") sorted+=("${line}")
done <<<"$(echo "$lines" | grep -v "^[0-9]" | sort -r)" done <<<"$(echo "${lines}" | grep -v "^[0-9]" | sort -r)"
echo "${sorted[@]}" echo "${sorted[@]}"
} }

27
generate-stackbrew-library.sh
View File

@ -1,4 +1,5 @@
#!/bin/bash #!/usr/bin/env bash
set -e set -e
. functions.sh . functions.sh
@ -31,7 +32,7 @@ fileCommit() {
git log -1 --format='format:%H' HEAD -- "$@" git log -1 --format='format:%H' HEAD -- "$@"
} }
echo "# this file is generated via ${url}/blob/$(fileCommit "$self")/$self" echo "# this file is generated via ${url}/blob/$(fileCommit "${self}")/${self}"
echo echo
echo "Maintainers: The Node.js Docker Team <${url}> (@nodejs)" echo "Maintainers: The Node.js Docker Team <${url}> (@nodejs)"
echo "GitRepo: ${url}.git" echo "GitRepo: ${url}.git"
@ -49,7 +50,7 @@ join() {
get_stub() { get_stub() {
local version="$1" local version="$1"
shift shift
IFS='/' read -ra versionparts <<<"$version" IFS='/' read -ra versionparts <<<"${version}"
local stub local stub
eval stub="$(join '_' "${versionparts[@]}" | awk -F. '{ print "$array_" $1 }')" eval stub="$(join '_' "${versionparts[@]}" | awk -F. '{ print "$array_" $1 }')"
echo "$stub" echo "$stub"
@ -57,16 +58,16 @@ get_stub() {
for version in "${versions[@]}"; do for version in "${versions[@]}"; do
# Skip "docs" and other non-docker directories # Skip "docs" and other non-docker directories
[ -f "$version/Dockerfile" ] || continue [ -f "${version}/Dockerfile" ] || continue
stub=$(get_stub "$version") stub=$(get_stub "${version}")
commit="$(fileCommit "$version")" commit="$(fileCommit "${version}")"
fullVersion="$(get_tag "$version" full)" fullVersion="$(get_tag "${version}" full)"
majorMinorVersion="$(get_tag "$version" majorminor)" majorMinorVersion="$(get_tag "${version}" majorminor)"
IFS=' ' read -ra versionAliases <<<"$fullVersion $majorMinorVersion $stub" IFS=' ' read -ra versionAliases <<<"$fullVersion $majorMinorVersion $stub"
# Get supported architectures for a specific version. See details in function.sh # Get supported architectures for a specific version. See details in function.sh
IFS=' ' read -ra supportedArches <<<"$(get_supported_arches "$version" "default")" IFS=' ' read -ra supportedArches <<<"$(get_supported_arches "${version}" "default")"
echo "Tags: $(join ', ' "${versionAliases[@]}")" echo "Tags: $(join ', ' "${versionAliases[@]}")"
echo "Architectures: $(join ', ' "${supportedArches[@]}")" echo "Architectures: $(join ', ' "${supportedArches[@]}")"
@ -76,19 +77,19 @@ for version in "${versions[@]}"; do
# Get supported variants according to the target architecture. # Get supported variants according to the target architecture.
# See details in function.sh # See details in function.sh
IFS=' ' read -ra variants <<<"$(get_variants "$(dirname "$version")")" IFS=' ' read -ra variants <<<"$(get_variants "$(dirname "${version}")")"
for variant in "${variants[@]}"; do for variant in "${variants[@]}"; do
# Skip non-docker directories # Skip non-docker directories
[ -f "$version/$variant/Dockerfile" ] || continue [ -f "${version}/${variant}/Dockerfile" ] || continue
commit="$(fileCommit "$version/$variant")" commit="$(fileCommit "${version}/${variant}")"
slash='/' slash='/'
variantAliases=("${versionAliases[@]/%/-${variant//$slash/-}}") variantAliases=("${versionAliases[@]/%/-${variant//$slash/-}}")
variantAliases=("${variantAliases[@]//latest-/}") variantAliases=("${variantAliases[@]//latest-/}")
# Get supported architectures for a specific version and variant. # Get supported architectures for a specific version and variant.
# See details in function.sh # See details in function.sh
IFS=' ' read -ra supportedArches <<<"$(get_supported_arches "$version" "$variant")" IFS=' ' read -ra supportedArches <<<"$(get_supported_arches "${version}" "${variant}")"
echo "Tags: $(join ', ' "${variantAliases[@]}")" echo "Tags: $(join ', ' "${variantAliases[@]}")"
echo "Architectures: $(join ', ' "${supportedArches[@]}")" echo "Architectures: $(join ', ' "${supportedArches[@]}")"

88
generate-stackbrew-pr.sh
View File

@ -1,4 +1,5 @@
#!/bin/bash #!/usr/bin/env bash
set -e set -e
. functions.sh . functions.sh
@ -16,19 +17,19 @@ else
fi fi
fi fi
if [[ "$COMMIT_MESSAGE" =~ Merge\ pull\ request\ \#([0-9]*) ]]; then if [[ "${COMMIT_MESSAGE}" =~ Merge\ pull\ request\ \#([0-9]*) ]]; then
# This is a merge from a pull request # This is a merge from a pull request
PR_NUMBER="${BASH_REMATCH[1]}" PR_NUMBER="${BASH_REMATCH[1]}"
COMMIT_MESSAGE="$(printf "%s" "$COMMIT_MESSAGE" | tail -n 1)" COMMIT_MESSAGE="$(printf "%s" "${COMMIT_MESSAGE}" | tail -n 1)"
fi fi
IMAGES_FILE="library/node" IMAGES_FILE="library/node"
REPO_NAME="official-images" REPO_NAME="official-images"
ORIGIN_SLUG="$GITHUB_USERNAME/$REPO_NAME" ORIGIN_SLUG="${GITHUB_USERNAME}/${REPO_NAME}"
UPSTREAM_SLUG="docker-library/$REPO_NAME" UPSTREAM_SLUG="docker-library/${REPO_NAME}"
DOCKER_SLUG="nodejs/docker-node" DOCKER_SLUG="nodejs/docker-node"
gitpath="../$REPO_NAME" gitpath="../${REPO_NAME}"
function updated() { function updated() {
local versions local versions
@ -38,13 +39,12 @@ function updated() {
IFS=',' IFS=','
get_versions get_versions
)" )"
images_changed=$(git diff --name-only "$COMMIT_ID".."$COMMIT_ID"~1 "${versions[@]}") images_changed=$(git diff --name-only "${COMMIT_ID}".."${COMMIT_ID}"~1 "${versions[@]}")
if [ -z "$images_changed" ]; then if [ -z "$images_changed" ]; then
return 1 return 1
else
return 0
fi fi
return 0
} }
function auth_header() { function auth_header() {
@ -60,48 +60,48 @@ function permission_check() {
-s \ -s \
"https://api.github.com")" "https://api.github.com")"
if [ "$(echo "$auth" | jq .message)" = "\"Bad credentials\"" ]; then if [ "$(echo "$auth" | jq -r .message)" = "Bad credentials" ]; then
fatal "Authentication Failed! Invalid \$GITHUB_API_TOKEN" fatal "Authentication Failed! Invalid \$GITHUB_API_TOKEN"
fi fi
auth="$(curl -H "$(auth_header)" \ auth="$(curl -H "$(auth_header)" \
-s \ -s \
"https://api.github.com/repos/$ORIGIN_SLUG/collaborators/$GITHUB_USERNAME/permission")" "https://api.github.com/repos/${ORIGIN_SLUG}/collaborators/${GITHUB_USERNAME}/permission")"
if [ "$(echo "$auth" | jq .message)" != "null" ]; then if [ "$(echo "$auth" | jq -r .message)" != "null" ]; then
fatal "\$GITHUB_API_TOKEN can't push to https://github.com/$ORIGIN_SLUG.git" fatal "\$GITHUB_API_TOKEN can't push to https://github.com/${ORIGIN_SLUG}.git"
fi fi
} }
function setup_git_author() { function setup_git_author() {
GIT_AUTHOR_NAME="$(git show -s --format="%aN" "$COMMIT_ID")" GIT_AUTHOR_NAME="$(git show -s --format="%aN" "${COMMIT_ID}")"
GIT_AUTHOR_EMAIL="$(git show -s --format="%aE" "$COMMIT_ID")" GIT_AUTHOR_EMAIL="$(git show -s --format="%aE" "${COMMIT_ID}")"
GIT_COMMITTER_NAME="$(git show -s --format="%cN" "$COMMIT_ID")" GIT_COMMITTER_NAME="$(git show -s --format="%cN" "${COMMIT_ID}")"
GIT_COMMITTER_EMAIL="$(git show -s --format="%cN" "$COMMIT_ID")" GIT_COMMITTER_EMAIL="$(git show -s --format="%cN" "${COMMIT_ID}")"
export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL
} }
function message() { function message() {
echo "Node: $COMMIT_MESSAGE" echo "Node: ${COMMIT_MESSAGE}"
} }
function pr_payload() { function pr_payload() {
local escaped_message local escaped_message
escaped_message="$(echo "$COMMIT_MESSAGE" | sed -E -e "s/\"/\\\\\"/g")" escaped_message="$(echo "${COMMIT_MESSAGE}" | sed -E -e "s/\"/\\\\\"/g")"
echo '{ echo "{
"title": "Node: '"$escaped_message"'", 'title': 'Node: ${escaped_message}',
"body": "Commit: nodejs/docker-node@'"$COMMIT_ID"'", 'body': 'Commit: nodejs/docker-node@${COMMIT_ID}',
"head": "'"$GITHUB_USERNAME"':'"$BRANCH_NAME"'", 'head': '${GITHUB_USERNAME}:${BRANCH_NAME}',
"base": "master" 'base': 'master'
}' }"
} }
function comment_payload() { function comment_payload() {
local pr_url local pr_url
pr_url="$1" pr_url="$1"
echo '{ echo "{
"body": "Created PR to the '"$REPO_NAME"' repo ('"$pr_url"')" 'body': 'Created PR to the ${REPO_NAME} repo (${pr_url})'
}' }"
} }
if updated; then if updated; then
@ -112,19 +112,19 @@ if updated; then
setup_git_author setup_git_author
info "Cloning..." info "Cloning..."
git clone --depth 50 "https://github.com/$UPSTREAM_SLUG.git" $gitpath 2>/dev/null git clone --depth 50 "https://github.com/${UPSTREAM_SLUG}.git" ${gitpath} 2>/dev/null
stackbrew="$(./generate-stackbrew-library.sh)" stackbrew="$(./generate-stackbrew-library.sh)"
cd $gitpath cd $gitpath
echo "$stackbrew" >"$IMAGES_FILE" echo "${stackbrew}" >"{$IMAGES_FILE}"
git checkout -b "$BRANCH_NAME" git checkout -b "${BRANCH_NAME}"
git add "$IMAGES_FILE" git add "${IMAGES_FILE}"
git commit -m "$(message)" git commit -m "$(message)"
info "Pushing..." info "Pushing..."
git push "https://$GITHUB_API_TOKEN:x-oauth-basic@github.com/$ORIGIN_SLUG.git" -f "$BRANCH_NAME" 2>/dev/null || fatal "Error pushing the updated stackbrew" git push "https://${GITHUB_API_TOKEN}:x-oauth-basic@github.com/${ORIGIN_SLUG}.git" -f "${BRANCH_NAME}" 2>/dev/null || fatal "Error pushing the updated stackbrew"
cd - && rm -rf $gitpath cd - && rm -rf $gitpath
@ -133,16 +133,16 @@ if updated; then
-s \ -s \
-X POST \ -X POST \
-d "$(pr_payload)" \ -d "$(pr_payload)" \
"https://api.github.com/repos/$UPSTREAM_SLUG/pulls")" "https://api.github.com/repos/${UPSTREAM_SLUG}/pulls")"
url="$(echo "$pr_response_payload" | jq -r .html_url)" url="$(echo "${pr_response_payload}" | jq -r .html_url)"
if [ "$url" != "null" ]; then if [ "$url" != "null" ]; then
info "Pull request created at $url" info "Pull request created at $url"
if [ ! -z "$PR_NUMBER" ]; then if [ ! -z "${PR_NUMBER}" ]; then
comment_endpoint="https://api.github.com/repos/$DOCKER_SLUG/issues/$PR_NUMBER/comments" comment_endpoint="https://api.github.com/repos/${DOCKER_SLUG}/issues/${PR_NUMBER}/comments"
else else
comment_endpoint="https://api.github.com/repos/$DOCKER_SLUG/commits/$COMMIT_ID/comments" comment_endpoint="https://api.github.com/repos/${DOCKER_SLUG}/commits/${COMMIT_ID}/comments"
fi fi
info "Creating Commit Comment" info "Creating Commit Comment"
@ -152,15 +152,15 @@ if updated; then
-d "$(comment_payload "$url")" \ -d "$(comment_payload "$url")" \
"$comment_endpoint")" "$comment_endpoint")"
if [ "$(echo "$commit_response_payload" | jq .message)" != "null" ]; then if [ "$(echo "${commit_response_payload}" | jq -r .message)" != "null" ]; then
fatal "Error linking the pull request ($error_message)" fatal "Error linking the pull request (${error_message})"
else else
comment_url="$(echo "$commit_response_payload" | jq -r .html_url)" comment_url="$(echo "${commit_response_payload}" | jq -r .html_url)"
info "Created comment at $comment_url" info "Created comment at ${comment_url}"
fi fi
else else
error_message=$(echo "$pr_response_payload" | jq .message) error_message=$(echo "${pr_response_payload}" | jq -r .message)
fatal "Error creating pull request ($error_message)" fatal "Error creating pull request (${error_message})"
fi fi
else else
info "No change!" info "No change!"

36
test-build.sh
View File

@ -25,23 +25,23 @@ function build() {
tag="$1" tag="$1"
shift shift
if [ -z "$variant" ]; then if [ -z "${variant}" ]; then
full_tag="$tag" full_tag="${tag}"
path="$version/$variant" path="${version}/${variant}"
else else
full_tag="$tag-$variant" full_tag="${tag}-${variant}"
path="$version/$variant" path="${version}/${variant}"
fi fi
info "Building $full_tag..." info "Building ${full_tag}..."
if ! docker build --cpuset-cpus="0,1" -t node:"$full_tag" "$path"; then if ! docker build --cpuset-cpus="0,1" -t node:"${full_tag}" "${path}"; then
fatal "Build of $full_tag failed!" fatal "Build of ${full_tag} failed!"
fi fi
info "Build of $full_tag succeeded." info "Build of ${full_tag} succeeded."
info "Testing $full_tag" info "Testing ${full_tag}"
docker run --rm -v "$PWD/test-image.sh:/usr/local/bin/test.sh" node:"$full_tag" test.sh "$full_version" docker run --rm -v "$PWD/test-image.sh:/usr/local/bin/test.sh" node:"${full_tag}" test.sh "${full_version}"
} }
cd "$(cd "${0%/*}" && pwd -P)" || exit cd "$(cd "${0%/*}" && pwd -P)" || exit
@ -53,25 +53,25 @@ fi
for version in "${versions[@]}"; do for version in "${versions[@]}"; do
# Skip "docs" and other non-docker directories # Skip "docs" and other non-docker directories
[ -f "$version/Dockerfile" ] || continue [ -f "${version}/Dockerfile" ] || continue
tag=$(get_tag "$version") tag=$(get_tag "${version}")
full_version=$(get_full_version "$version") full_version=$(get_full_version "${version}")
# Get supported variants according to the target architecture. # Get supported variants according to the target architecture.
# See details in function.sh # See details in function.sh
IFS=' ' read -ra variants <<<"$(get_variants "$(dirname "$version")" "${variant_arg[@]}")" IFS=' ' read -ra variants <<<"$(get_variants "$(dirname "${version}")" "${variant_arg[@]}")"
# Only build the default Dockerfile if "default" is in the variant list # Only build the default Dockerfile if "default" is in the variant list
if [[ "${variants[*]}" =~ "default" ]] || [[ "${variants[*]}" =~ "onbuild" ]]; then if [[ "${variants[*]}" =~ "default" ]] || [[ "${variants[*]}" =~ "onbuild" ]]; then
build "$version" "" "$tag" build "${version}" "" "${tag}"
fi fi
for variant in "${variants[@]}"; do for variant in "${variants[@]}"; do
# Skip non-docker directories # Skip non-docker directories
[ -f "$version/$variant/Dockerfile" ] || continue [ -f "${version}/${variant}/Dockerfile" ] || continue
build "$version" "$variant" "$tag" build "${version}" "${variant}" "${tag}"
done done
done done

8
update.sh
View File

@ -29,7 +29,7 @@ function update_node_version() {
local dockerfile=$1 local dockerfile=$1
shift shift
local variant local variant
if [[ $# -eq 1 ]]; then if [ $# -eq 1 ]; then
variant=$1 variant=$1
shift shift
fi fi
@ -38,7 +38,7 @@ function update_node_version() {
( (
cp "$template" "$dockerfile" cp "$template" "$dockerfile"
local fromprefix="" local fromprefix=""
if [[ "$arch" != "amd64" && "$variant" != "onbuild" ]]; then if [ "$arch" != "amd64" ] && [ "$variant" != "onbuild" ]; then
fromprefix="$arch\\/" fromprefix="$arch\\/"
fi fi
@ -59,10 +59,10 @@ function update_node_version() {
sed -E -i.bak "/$pattern/d" "$dockerfile" && rm "$dockerfile".bak sed -E -i.bak "/$pattern/d" "$dockerfile" && rm "$dockerfile".bak
done done
if [[ "${version/.*/}" -ge 10 ]]; then if [ "${version/.*/}" -ge 10 ]; then
sed -E -i.bak 's/FROM (.*)alpine:3.4/FROM \1alpine:3.7/' "$dockerfile" sed -E -i.bak 's/FROM (.*)alpine:3.4/FROM \1alpine:3.7/' "$dockerfile"
rm "$dockerfile.bak" rm "$dockerfile.bak"
elif [[ "${version/.*/}" -ge 8 || "$arch" == "ppc64le" || "$arch" == "s390x" || "$arch" == "arm64" || "$arch" == "arm32v7" ]]; then elif [ "${version/.*/}" -ge 8 ] || [ "$arch" = "ppc64le" ] || [ "$arch" = "s390x" ] || [ "$arch" == "arm64" ] || [ "$arch" == "arm32v7" ]; then
sed -E -i.bak 's/FROM (.*)alpine:3.4/FROM \1alpine:3.6/' "$dockerfile" sed -E -i.bak 's/FROM (.*)alpine:3.4/FROM \1alpine:3.6/' "$dockerfile"
rm "$dockerfile.bak" rm "$dockerfile.bak"
fi fi