CLI: Table Output updates (#14534)

Author: dkbennett

src/windows/common/string.cpp

@@ -284,4 +284,14 @@ std::string wsl::windows::common::string::WideToMultiByte(_In_opt_ LPCWSTR Sourc
 std::string wsl::windows::common::string::WideToMultiByte(_In_ std::wstring_view Source)
 {
     return WideToMultiByte(Source.data(), Source.length());
-}
+}
+
+std::wstring wsl::windows::common::string::TruncateId(_In_ std::wstring_view id, bool shortenLength)
+{
+    return TruncateIdImpl(id, shortenLength);
+}
+
+std::string wsl::windows::common::string::TruncateId(_In_ std::string_view id, bool shortenLength)
+{
+    return TruncateIdImpl(id, shortenLength);
+}

src/windows/common/string.hpp

@@ -48,6 +48,33 @@ std::string WideToMultiByte(_In_opt_ LPCWSTR Source, _In_ size_t CharacterCount
 
 std::string WideToMultiByte(_In_ std::wstring_view Source);
 
+std::wstring TruncateId(_In_ std::wstring_view id, bool shortenLength = true);
+std::string TruncateId(_In_ std::string_view id, bool shortenLength = true);
+
+// Template implementation for TruncateId to avoid code duplication.
+// Algorithm inspired from Moby for consistency in presentation of shortened IDs.
+// Always strips the algorithm prefix (e.g., "sha256:") if present, and optionally shortens to 12 characters.
+template <typename TChar>
+inline std::basic_string<TChar> TruncateIdImpl(std::basic_string_view<TChar> id, bool shortenLength)
+{
+    constexpr size_t shortLen = 12;
+    constexpr TChar colon = TChar(':');
+
+    // Find and skip algorithm prefix if present (e.g., "sha256:")
+    auto colonPos = id.find(colon);
+    if (colonPos != std::basic_string_view<TChar>::npos)
+    {
+        id.remove_prefix(colonPos + 1);
+    }
+
+    if (shortenLength && id.length() > shortLen)
+    {
+        return std::basic_string<TChar>{id.substr(0, shortLen)};
+    }
+
+    return std::basic_string<TChar>{id};
+}
+
 struct PhysicalMacAddress
 {
     BYTE Address[MAX_ADAPTER_ADDRESS_LENGTH]{};

src/windows/wslc/arguments/ArgumentDefinitions.h

@@ -61,6 +61,7 @@ _(Interactive,    "interactive",         L"i",              Kind::Flag,        L
 _(Name,           "name",                NO_ALIAS,          Kind::Value,       L"Name of the container") \
 /*_(NoDNS,          "no-dns",              NO_ALIAS,          Kind::Flag,        L"No configuration of DNS in the container")*/ \
 _(NoPrune,        "no-prune",            NO_ALIAS,          Kind::Flag,        L"Do not delete untagged parents") \
+_(NoTrunc,        "no-trunc",            NO_ALIAS,          Kind::Flag,        L"Do not truncate output") \
 _(Output,         "output",              L"o",              Kind::Value,       L"Path for the saved image") \
 _(Path,           "path",                NO_ALIAS,          Kind::Positional,  L"Path to the build context directory") \
 /*_(Progress,       "progress",            NO_ALIAS,          Kind::Value,       L"Progress type (format: none|ansi) (default: ansi)")*/ \

src/windows/wslc/commands/ContainerListCommand.cpp

@@ -29,6 +29,7 @@ std::vector<Argument> ContainerListCommand::GetArguments() const
     return {
         Argument::Create(ArgType::All),
         Argument::Create(ArgType::Format),
+        Argument::Create(ArgType::NoTrunc),
         Argument::Create(ArgType::Quiet),
         Argument::Create(ArgType::Session),
     };

src/windows/wslc/commands/ImageListCommand.cpp

@@ -26,7 +26,12 @@ namespace wsl::windows::wslc {
 // Image List Command
 std::vector<Argument> ImageListCommand::GetArguments() const
 {
-    return {Argument::Create(ArgType::Format), Argument::Create(ArgType::Quiet), Argument::Create(ArgType::Session), Argument::Create(ArgType::Verbose)};
+    return {
+        Argument::Create(ArgType::Format),
+        Argument::Create(ArgType::NoTrunc),
+        Argument::Create(ArgType::Quiet),
+        Argument::Create(ArgType::Session),
+        Argument::Create(ArgType::Verbose)};
 }
 
 std::wstring ImageListCommand::ShortDescription() const