Add a --force command line option to the alternate_version_generator to allow for unconditional overwriting of the output file.

BUG=NONE
TEST=Run alternate_version_generator.exe --force in a directory that already has a mini_installer.exe and a mini_installer_new.exe, observer mini_installer_new.exe get regenerated.

Review URL: http://codereview.chromium.org/6546027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@75594 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 1 deletions

diff --git a/chrome/installer/test/alternate_version_generator_main.cc b/chrome/installer/test/alternate_version_generator_main.cc
index 1a5f267..05442aa 100644
--- a/chrome/installer/test/alternate_version_generator_main.cc
+++ b/chrome/installer/test/alternate_version_generator_main.cc
@@ -24,6 +24,7 @@ const wchar_t kDefaultOutPath[] = L"mini_installer_new.exe";
 
 namespace switches {
 
+const char kForce[] = "force";
 const char kHelp[] = "help";
 const char kMiniInstaller[] = "mini_installer";
 const char kOut[] = "out";
@@ -74,6 +75,7 @@ void DumpUsage(const CommandLine& cmd_line,
 L"Usage: %s [ OPTIONS ]\n"
 L" Where OPTIONS is one or more of:\n"
 L" --help                     Display this help message.\n"
+L" --force                    Overwrite any existing output files.\n"
 L" --mini_installer=SRC_PATH  Path to mini_installer.exe.  Default value is\n"
 L"                            \"mini_installer.exe\" in the same directory as\n"
 L"                            this program.\n"
@@ -146,7 +148,7 @@ int wmain(int argc, wchar_t *argv[]) {
 
   FilePath out;
   GetOutPath(*cmd_line, &out);
-  if (file_util::PathExists(out)) {
+  if (!cmd_line->HasSwitch(switches::kForce) && file_util::PathExists(out)) {
     DumpUsage(*cmd_line, errors::OUT_FILE_EXISTS, out.value());
     return EXIT_FAILURE;
   }