Based on Martin Zeitler's answer I did this on Windows:
Please note that on my setup, .aab files are created in release folder and it deletes everything else in that folder as per this bug report.
In my app's module gradle:
apply from: "../utils.gradle"
...
tasks.whenTaskAdded { task ->
switch (task.name) {
case 'bundleRelease':
task.finalizedBy renameBundle
break
}
}
And in utils.gradle:
task renameBundle (type: Exec) {
def baseName = getProperty('archivesBaseName')
def stdout = new ByteArrayOutputStream()
def stderr = new ByteArrayOutputStream()
commandLine "copy.bat", rootProject.getProjectDir().getAbsolutePath() + "\\release\\${baseName}-release.aab", "<MY_AAB_PATH>\\${baseName}.aab", "D:\\Android\\studio\\release"
workingDir = rootProject.getProjectDir().getAbsolutePath()
ignoreExitValue true
standardOutput stdout
errorOutput stderr
doLast {
if (execResult.getExitValue() == 0) {
println ":${project.name}:${name} > ${stdout.toString()}"
} else {
println ":${project.name}:${name} > ${stderr.toString()}"
}
}
}
The copy.bat is created in project's folder and contains this:
COPY %1 %2
RMDIR /Q/S %3
Be careful with 3rd argument to make sure you don't use a folder that's important to you.
EDIT: Why a .BAT for 2 commands you might ask. If you try commandLine "copy", ... on Windows it results in "system does not recognize the command copy". Put anything, like COPY, REN, RENAME, etc, won't work.