Preventing Inno Setup from uninstalling empty directories created with createallsubdirs flag
Tim Earl
I have a folder (database folder) that I would like to keep after uninstall (for saving users data and future reinstall), I have flagged top folder to never uninstall as well as all its files (and folders?) whether empty or not yet Inno Setup deletes these empty sub-folders (which I want to keep) during uninstall. Do I have to declare all the sub folders I want to keep or is their a flag I am missing?
[Dirs]
Name: "{app}\db\data"; Flags: uninsneveruninstall; Permissions: everyone-full
[Files]
Source: "D:\sesam\db\data\*"; DestDir: "{app}\db\data"; Flags: recursesubdirs createallsubdirs uninsneveruninstall; Check: CheckNotExists(ExpandConstant('{app}\db\data'))
Before uninstall and after:
As you can see it only keeps "non empty" folders.
Martin Prikryl
Looks like a bug to me, consider reporting it.
Anyway, you can use the Inno Setup preprocessor to generate a list of [Dirs] entries for each subfolder:
[Dirs]
#define FindHandle
#define FindResult
#define SourceDataPath "D:\sesam\db\data"
#define TargetDataPath "{app}\db\data"
#sub ProcessFoundFile
#define DirName FindGetFileName(FindHandle)
#define DirPath SourceDataPath + "\" + DirName
#if DirExists(DirPath) && (DirName != ".") && (DirName != "..")
Name: "{#TargetDataPath + "\" + DirName}"; Flags: uninsneveruninstall
#endif
#endsub
#for {FindHandle = FindResult = FindFirst(SourceDataPath + "\*", faDirectory); FindResult; FindResult = FindNext(FindHandle)} ProcessFoundFile
#expr FindClose(FindHandle)
The above works for single-level only. If you need recursion, it's more complicated.
Put this at the end of your script to see and review, what the preprocessor generated:
#expr SaveToFile(AddBackslash(SourcePath) + "Preprocessed.iss")
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