If you want to abort a commit if your code fails certain rule and you don’t have access to the SVN Server to configure a hook. What do you do ?
Assuming you are using TortoiseSVN, you can configure a Client-Side hook.
Here is an example - Say you want to abort commit if you have a comment in your code that starts with //Do Not Commit. You can create a PowerShell script that validates all the files in your changeset and use this script as a Client-Side pre_commit_hook in TortoiseSVN.

TortoiseSVN-Settings-HookScripts
The pre_commit_hook configuration :

Configure-Hook-Scripts
//Powershell script : pre_commit.ps1
$donotcommit = “//Do Not Commit”;
$changeset = Get-Content$args[0];
foreach($file in $changeset) { if( Get-Content$file | Select-String$donotcommit-quiet ) { Write-Error “$file contains code that you are not supposed to commit. [$donotcommit]”; exit9; } }
Now, if your changeset has a file with a comment starting with //Do Not Commit and you click on OK to commit this change, the commit will be aborted with this error message -

pre_commit_hook-validation