Remove docker login logic.

entrypoint.sh

@@ -1,15 +1,5 @@
 #!/usr/bin/env sh
 
-DEFAULT_DOMAIN=docker.io
-LEGACY_DEFAULT_DOMAIN=index.docker.io
-DOCKER_LOGIN_FILE_TMPL='{
-    "auths": {
-        "{{REGISTRY_URL}}": {
-            "auth": "{{BASE64_UNAME_PW}}"
-        }
-    }
-}'
-
 fail() {
     echo "Error:" "$@" 1>&2
     exit 1
@@ -20,49 +10,10 @@ echo_and_run() {
     "$@"
 }
 
-docker_login() {
-    login_name="$1"
-    if [ -z "$login_name" ]; then
-        login_name="$DEFAULT_DOMAIN"
-    fi
-    if [ "$login_name" = "$DEFAULT_DOMAIN" ]; then
-        login_name="$LEGACY_DEFAULT_DOMAIN/v1/"
-    fi
-    login_name="https://$login_name"
-    # TODO: detect registry url
-    mkdir -p "$HOME/.docker"
-    echo "$DOCKER_LOGIN_FILE_TMPL" | \
-        sed -e "s|{{BASE64_UNAME_PW}}|$(printf '%s:%s' "$username" "$password" | base64)|g" \
-            -e "s|{{REGISTRY_URL}}|$login_name|g" \
-        > "$HOME/.docker/config.json"
-}
-
 plain() {
     buildctl-daemonless.sh "$@"
 }
 
-split_repo_domain() {
-    domain_part="$(echo "$1" | sed -n 's|^\([^/]*\)/.*$|\1|p')"
-    other_part="$(echo "$1" | sed -n "s|^$domain_part/\?\(.*\)$|\1|p")"
-
-    if [ -z "$domain_part" ]; then
-        domain_part="$DEFAULT_DOMAIN"
-        # other_part="$other_part"
-    elif echo "$domain_part" | grep -Evq '\.|:' && [ "$domain_part" != 'localhost' ]; then
-        # ^ docker sourcecode checks if $domain_part == $domain_part.lower() in effect checking if all is lower case
-        domain_part="$DEFAULT_DOMAIN"
-        other_part="$1" # we deviate here from the reference docker implementation
-    fi
-    if [ "$domain_part" = "$LEGACY_DEFAULT_DOMAIN" ]; then
-        domain_part="$DEFAULT_DOMAIN"
-    fi
-    if [ "$domain_part" = "$DEFAULT_DOMAIN" ] && echo "$other_part" | grep -vq /; then
-        other_part="library/$other_part"
-    fi
-    echo "$domain_part"
-    echo "$other_part"
-}
-
 build() {
     if [ -z "$dest" ]; then
         fail "missing argument: dest"
@@ -85,17 +36,6 @@ build() {
         --output type=oci,dest=\""$dest"\"
 }
 
-if [ -n "$username" ]; then
-    if [ -z "$password" ]; then
-        fail "need to also give password when logging in"
-    fi
-    if [ -z "$repository" ]; then
-        docker_login ''
-    else
-        docker_login "$(split_repo_domain "$repository" | head -n1)"
-    fi
-fi
-
 if [ -z "$manual" ]; then
     manual=false
 fi