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

View File

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

View File

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

View File

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

View File

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

View File

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