diff options
Diffstat (limited to 'lib/chef/win32/api/installer.rb')
| -rw-r--r-- | lib/chef/win32/api/installer.rb | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/lib/chef/win32/api/installer.rb b/lib/chef/win32/api/installer.rb index e1be747245..caf7b23f59 100644 --- a/lib/chef/win32/api/installer.rb +++ b/lib/chef/win32/api/installer.rb @@ -32,7 +32,6 @@ class Chef # Win32 API Constants ############################################### - ############################################### # Win32 API Bindings ############################################### @@ -94,7 +93,7 @@ UINT MsiCloseHandle( msg << Chef::ReservedNames::Win32::Error.format_message(status) raise Chef::Exceptions::Package, msg end - + buffer_length = FFI::Buffer.new(:long).write_long(buffer_length.read_long + 1) buffer = 0.chr * buffer_length.read_long @@ -114,18 +113,18 @@ UINT MsiCloseHandle( # Opens a Microsoft Installer (MSI) file from an absolute path and returns a pointer to a handle # Remember to close the handle with msi_close_handle() def open_package(package_path) - # MsiOpenPackage expects a perfect absolute Windows path to the MSI + # MsiOpenPackage expects a perfect absolute Windows path to the MSI raise ArgumentError, "Provided path '#{package_path}' must be an absolute path" unless Pathname.new(package_path).absolute? pkg_ptr = FFI::MemoryPointer.new(:pointer, 4) status = msi_open_package(package_path, 1, pkg_ptr) case status - when 0 + when 0 # success else raise Chef::Exceptions::Package, "msi_open_package: unexpected status #{status}: #{Chef::ReservedNames::Win32::Error.format_message(status)}" end - return pkg_ptr + return pkg_ptr end # All installed product_codes should have a VersionString @@ -133,11 +132,11 @@ UINT MsiCloseHandle( def get_installed_version(product_code) version = 0.chr version_length = FFI::Buffer.new(:long).write_long(0) - + status = msi_get_product_info(product_code, "VersionString", version, version_length) - + return nil if status == 1605 # ERROR_UNKNOWN_PRODUCT (0x645) - + # We expect error ERROR_MORE_DATA (234) here because we passed a buffer length of 0 if status != 234 msg = "msi_get_product_info: product code '#{product_code}' returned unknown error #{status} when retrieving VersionString: " @@ -149,9 +148,9 @@ UINT MsiCloseHandle( version_length = FFI::Buffer.new(:long).write_long(version_length.read_long + 1) version = 0.chr * version_length.read_long - + status = msi_get_product_info(product_code, "VersionString", version, version_length) - + if status != 0 msg = "msi_get_product_info: product code '#{product_code}' returned unknown error #{status} when retrieving VersionString: " msg << Chef::ReservedNames::Win32::Error.format_message(status) |