public virtual bool GetDiff(string diffInput1, string diffInput2, string[] options, TextWriter diffOutput, string linePrefix, IDiffEngineFactory diffFactory)
{
bool difference = false;
Database db1 = new Database(diffInput1, DatabaseOpenMode.ReadOnly);
Database db2 = new Database(diffInput2, DatabaseOpenMode.ReadOnly);
if(GetSummaryInfoDiff(db1, db2, options, diffOutput, linePrefix, diffFactory)) difference = true;
if(GetDatabaseDiff(db1, db2, options, diffOutput, linePrefix, diffFactory)) difference = true;
if(GetStreamsDiff(db1, db2, options, diffOutput, linePrefix, diffFactory)) difference = true;
db1.Close();
db2.Close();
return difference;
}
public override bool GetDiff(string diffInput1, string diffInput2, string[] options, TextWriter diffOutput, string linePrefix, IDiffEngineFactory diffFactory)
{
bool difference = false;
InstallPackage db1, db2;
if(IsMspPatch(diffInput1))
{
string patchTargetDbFile = GetPatchTargetOption(options);
if(patchTargetDbFile == null) patchTargetDbFile = diffInput2;
string tempPatchedDbFile = Path.GetTempFileName();
File.Copy(patchTargetDbFile, tempPatchedDbFile, true);
File.SetAttributes(tempPatchedDbFile, File.GetAttributes(tempPatchedDbFile) & ~System.IO.FileAttributes.ReadOnly);
db1 = new InstallPackage(tempPatchedDbFile, DatabaseOpenMode.Direct);
db1.ApplyPatch(new PatchPackage(diffInput1), null);
db1.Commit();
}
else
{
db1 = new InstallPackage(diffInput1, DatabaseOpenMode.ReadOnly);
}
if(IsMspPatch(diffInput2))
{
string patchTargetDbFile = GetPatchTargetOption(options);
if(patchTargetDbFile == null) patchTargetDbFile = diffInput1;
string tempPatchedDbFile = Path.GetTempFileName();
File.Copy(patchTargetDbFile, tempPatchedDbFile, true);
File.SetAttributes(tempPatchedDbFile, File.GetAttributes(tempPatchedDbFile) & ~System.IO.FileAttributes.ReadOnly);
db2 = new InstallPackage(tempPatchedDbFile, DatabaseOpenMode.Direct);
db2.ApplyPatch(new PatchPackage(diffInput2), null);
db2.Commit();
}
else
{
db2 = new InstallPackage(diffInput2, DatabaseOpenMode.ReadOnly);
}
if(GetSummaryInfoDiff(db1, db2, options, diffOutput, linePrefix, diffFactory)) difference = true;
if(GetDatabaseDiff(db1, db2, options, diffOutput, linePrefix, diffFactory)) difference = true;
if(GetStreamsDiff(db1, db2, options, diffOutput, linePrefix, diffFactory)) difference = true;
db1.Close();
db2.Close();
try
{
if(IsMspPatch(diffInput1)) File.Delete(db1.FilePath);
if(IsMspPatch(diffInput1)) File.Delete(db2.FilePath);
}
catch(IOException)
{
#if DEBUG
Console.WriteLine("Could not delete temporary files {0} and {1}", db1.FilePath, db2.FilePath);
#endif
}
if(IsMspPatch(diffInput1) && IsMspPatch(diffInput2))
{
Database dbp1 = new Database(diffInput1, DatabaseOpenMode.ReadOnly);
Database dbp2 = new Database(diffInput2, DatabaseOpenMode.ReadOnly);
if(GetStreamsDiff(dbp1, dbp2, options, diffOutput, linePrefix, diffFactory)) difference = true;
dbp1.Close();
dbp2.Close();
}
return difference;
}
/// <summary>
/// adds or updates a property in an msi file.
/// </summary>
/// <param name="msiFile">full path to the msi file to update</param>
/// <param name="propertyName">name of property to add or update</param>
/// <param name="propertyValue">value of property</param>
public static void SetPropertyInMsi(string msiFile, string propertyName, string propertyValue)
{
Database db = new Database(msiFile, DatabaseOpenMode.Direct);
string sql;
try
{
// GetProperty will throw if the propertyName does not exist in the property table
GetProperty(db, propertyName);
sql = string.Format("UPDATE `Property` SET `Value` = '{0}' WHERE `Property` = '{1}'", propertyValue, propertyName);
}
catch
{
sql = string.Format("INSERT INTO `Property` (`Property`, `Value`) VALUES ('{0}', '{1}')", propertyName, propertyValue);
}
db.Execute(sql);
db.Commit();
db.Close();
}
public static string GetProperty(string msiPath, string property)
{
string propertyValue = null;
if (!String.IsNullOrEmpty(msiPath))
{
msiPath = System.Environment.ExpandEnvironmentVariables(msiPath);
Database db = new Database(msiPath);
propertyValue = MsiUtils.GetProperty(db, property);
db.Close(); // be sure to close the db or future attempts to open it will fail (i.e. to install/uninstall it)
}
return propertyValue;
}