123 lines
3 KiB
Bash
Executable file
123 lines
3 KiB
Bash
Executable file
#!/usr/bin/env sh
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DEFAULT_DOMAIN=docker.io
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LEGACY_DEFAULT_DOMAIN=index.docker.io
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DOCKER_LOGIN_FILE_TMPL='{
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"auths": {
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"{{REGISTRY_URL}}": {
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"auth": "{{BASE64_UNAME_PW}}"
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}
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}
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}'
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fail() {
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echo "Error:" "$@" 1>&2
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exit 1
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}
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echo_and_run() {
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echo "$@"
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"$@"
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}
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docker_login() {
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login_name="$1"
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if [ -z "$login_name" ]; then
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login_name="$DEFAULT_DOMAIN"
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fi
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if [ "$login_name" = "$DEFAULT_DOMAIN" ]; then
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login_name="$LEGACY_DEFAULT_DOMAIN/v1/"
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fi
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login_name="https://$login_name"
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# TODO: detect registry url
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mkdir -p "$HOME/.docker"
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echo "$DOCKER_LOGIN_FILE_TMPL" | \
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sed -e "s|{{BASE64_UNAME_PW}}|$(printf '%s:%s' "$username" "$password" | base64)|g" \
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-e "s|{{REGISTRY_URL}}|$login_name|g" \
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> "$HOME/.docker/config.json"
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}
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plain() {
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buildctl-daemonless.sh "$@"
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}
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split_repo_domain() {
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domain_part="$(echo "$1" | sed -n 's|^\([^/]*\)/.*$|\1|p')"
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other_part="$(echo "$1" | sed -n "s|^$domain_part/\?\(.*\)$|\1|p")"
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if [ -z "$domain_part" ]; then
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domain_part="$DEFAULT_DOMAIN"
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other_part="$other_part"
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elif echo "$domain_part" | grep -Evq '\.|:' && [ "$domain_part" != 'localhost' ]; then
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# ^ docker sourcecode checks if $domain_part == $domain_part.lower() in effect checking if all is lower case
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domain_part="$DEFAULT_DOMAIN"
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other_part="$1" # we deviate here from the reference docker implementation
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fi
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if [ "$domain_part" = "$LEGACY_DEFAULT_DOMAIN" ]; then
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domain_part="$DEFAULT_DOMAIN"
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fi
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if [ "$domain_part" = "$DEFAULT_DOMAIN" ] && echo "$other_part" | grep -vq /; then
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other_part="library/$other_part"
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fi
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echo "$domain_part"
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echo "$other_part"
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}
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build() {
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if [ -z "$repository" ]; then
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fail "missing argument: repository"
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fi
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if [ -z "$tag" ]; then
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tag=latest
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fi
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if [ -z "$dest" ]; then
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fail "missing argument: dest"
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fi
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if [ -z "$context" ]; then
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context=.
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fi
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if [ -z "$platform" ]; then
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platform=""
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else
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platform="--opt platform=$platform"
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fi
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final_tag="$repository:$tag"
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if [ -n "$additional_tags" ]; then
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while read -r line; do
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if [ -z "$line" ]; then
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continue
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fi
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final_tag="$repository:$line,$final_tag"
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done < "$additional_tags"
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fi
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echo_and_run buildctl-daemonless.sh \
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build \
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--frontend dockerfile.v0 \
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--local context="$context" \
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--local dockerfile="$context" \
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$platform \
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--output type=oci,dest=\"$dest\"
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}
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if [ -n "$username" ]; then
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if [ -z "$password" ]; then
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fail "need to also give password when logging in"
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fi
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if [ -z "$repository" ]; then
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docker_login ''
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else
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docker_login "$(split_repo_domain "$repository" | head -n1)"
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fi
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fi
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if [ -z "$manual" ]; then
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manual=false
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fi
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if "$manual"; then
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plain "$@"
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else
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build
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fi
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