Add lima-docker app

50-docker.conf

@@ -0,0 +1,31 @@
+function _docker_with_platform() {
+    local platform=$1
+    local extra_flags=$2
+    shift 2
+    local args=$@
+    local original="docker ${args}"
+    local cmd="${original}"
+    _substitutableCmds=(build pull run)
+
+    if [[ ${args} != *"--platform"* ]]; then
+        for command in ${_substitutableCmds[@]}; do
+            if [[ ${args} =~ (^|[[:space:]])${command}([[:space:]]|$) ]]; then
+                cmd=${cmd/${command}/${command} --platform=${platform}${extra_flags:+ ${extra_flags}}}
+            fi
+        done
+    fi
+
+    if [[ "${cmd}" != "${original}" ]]; then
+        echo -e "\e[34m-> ${cmd}\e[0m"
+    fi
+
+    eval "command ${cmd}"
+}
+
+function docker() {
+    _docker_with_platform "linux/arm64/v8" "" $@
+}
+
+function docker-amd64() {
+    _docker_with_platform "linux/amd64" "--device=lima-vm.io/rosetta=cached" $@
+}

zsh/11-autocomplete.zsh

@@ -15,3 +15,7 @@ compinit
 zstyle ':completion:*' menu select=2
 zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS}
 zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'
+
+if [ "${LIMA_DOCKER}" = "1" ]; then
+	compdef docker-amd64=docker
+fi

zsh/apps/lima-docker.app.zsh

@@ -0,0 +1,66 @@
+# Functions for docker in Lima for macOS.
+# Requires lima, docker, docker-compose and docker-credentials-helper to be installed.
+
+if [ "${OS/Darwin}" != "${OS}" ]; then
+    LIMA_DOCKER=1
+
+    # Candidates cobra offers for the last argument, one per line, without the directive line or descriptions
+    function _docker_complete() {
+        local -a out=("${(@f)$(command docker __complete "$@" 2>/dev/null)}")
+        print -rl -- "${(@)${(@)out:#:*}%%$'\t'*}"
+    }
+
+    function _docker_with_platform() {
+        local platform=$1 extra=$2
+        shift 2
+        local -a args=("$@")
+
+        # Completion requests and explicitly pinned platforms pass through untouched
+        if [[ $1 == __complete* ]] || (( ${args[(I)(--platform|--platform=*)]} )); then
+            command docker "$@"
+            return
+        fi
+
+        # Walk the command path; stop at the first command that accepts --platform
+        local -i i pos=0
+        local -a cmds flags
+        for (( i = 1; i <= $#args; i++ )); do
+            [[ ${args[i]} == -* ]] && continue
+
+            cmds=("${(@f)$(_docker_complete "${(@)args[1,i-1]}" "")}")
+            if (( ! ${cmds[(Ie)${args[i]}]} )); then
+                # Not a command: either the previous option's value, or we've left the command path
+                (( i > 1 )) && [[ ${args[i-1]} == -* && ${args[i-1]} != *=* ]] && continue
+                break
+            fi
+
+            flags=("${(@f)$(_docker_complete "${(@)args[1,i]}" -)}")
+            if (( ${flags[(Ie)--platform]} )); then
+                pos=$i
+                break
+            fi
+        done
+
+        if (( pos )); then
+            local -a inject=(--platform=$platform)
+            local f name
+            for f in ${=extra}; do
+                name=${f%%=*}
+                # Only if this command accepts it and the user didn't pass it already
+                (( ${flags[(Ie)$name]} && ! ${args[(I)$name(|=*)]} )) && inject+=("$f")
+            done
+            args=("${(@)args[1,pos]}" $inject "${(@)args[pos+1,-1]}")
+            print -u2 $'\e[34m-> docker '"${(j: :)${(@q-)args}}"$'\e[0m'
+        fi
+
+        command docker "${args[@]}"
+    }
+
+    function docker() {
+        _docker_with_platform "linux/arm64/v8" "" "$@"
+    }
+
+    function docker-amd64() {
+        _docker_with_platform "linux/amd64" "--device=lima-vm.io/rosetta=cached" "$@"
+    }
+fi