feat(database-dump-via-docker-sock): 增加对EXEC_SHELL变量的支持以指定执行shell

docker-exec-via-sock.sh

@@ -21,7 +21,7 @@ log_stream() {
 
 print_usage() {
   cat <<EOF >&2
-Usage: $0 [--socket=PATH] [--api-version=VERSION] --container=NAME --cmd=COMMAND [--user=NAME]
+Usage: $0 [--socket=PATH] [--api-version=VERSION] --container=NAME --cmd=COMMAND [--user=NAME] [--shell=SHELL]
 
 Options:
   --socket=PATH           Docker Engine unix socket path (default: /var/run/docker.sock)
@@ -29,7 +29,7 @@ Options:
   --container=NAME        Container name to execute command in
   --cmd=COMMAND           Command to execute in the container
   --user=NAME             Run command as the specified user (default: container default user)
-  --shell=SHELL           Shell to use (default: sh) 暂未实现
+  --shell=SHELL           Shell to use (default: sh)
   --help                  Show this help message
 EOF
 }
@@ -40,6 +40,7 @@ CONTAINER_NAME=""
 CMD_TO_EXEC=""
 EXEC_USER=""
 DOCKER_LAST_RESPONSE=""
+EXEC_SHELL="sh"
 
 require_command() {
   if ! command -v "$1" >/dev/null 2>&1; then
@@ -57,12 +58,12 @@ missing_value() {
 docker_exec_create() {
   docker_exec_create_desc=$1
   docker_exec_create_cmd=$2
-  docker_exec_create_payload=$(jq -n --arg cmd "$docker_exec_create_cmd" --arg user "$EXEC_USER" '{
+  docker_exec_create_payload=$(jq -n --arg cmd "$docker_exec_create_cmd" --arg user "$EXEC_USER" --arg shell "$EXEC_SHELL" '{
     AttachStdin: false,
     AttachStdout: true,
     AttachStderr: true,
     Tty: true,
-    Cmd: ["sh", "-c", $cmd]
+    Cmd: [$shell, "-c", $cmd]
   } | if ($user | length) > 0 then .User = $user else . end')
 
   DOCKER_LAST_RESPONSE=$(curl --silent --show-error --unix-socket "$DOCKER_SOCKET" \
@@ -151,6 +152,14 @@ while [ "$#" -gt 0 ]; do
       shift
       EXEC_USER="$1"
       ;;
+    --shell=*)
+      EXEC_SHELL="${1#*=}"
+      ;;
+    --shell)
+      if [ "$#" -lt 2 ]; then missing_value '--shell'; fi
+      shift
+      EXEC_SHELL="$1"
+      ;;
     --help)
       print_usage
       exit 0
@@ -182,6 +191,10 @@ if [ -z "$DOCKER_SOCKET" ] || [ -z "$DOCKER_API_VERSION" ] || [ -z "$CONTAINER_N
   exit 1
 fi
 
+if [ -z "$EXEC_SHELL" ]; then
+  EXEC_SHELL="sh"
+fi
+
 if [ ! -S "$DOCKER_SOCKET" ]; then
   log "docker socket $DOCKER_SOCKET not found"
   exit 1