Swiftgram/docs/changelog.md
2012-08-02 21:52:18 +02:00

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## Auto increasing build numbers
The recommended way to do versioning of your app versions is as follows:
- Each version gets an ongoing `build` number which increases by `1` for every version as `CFBundleVersion` in `Info.plist`
- Additionally `CFBundleShortVersionString` in `Info.plist` will contain you target public version number as a string like `1.0.0`
This ensures that each app version is uniquely identifiable, and that live and beta version numbers never ever collide.
This is how to set it up with Xcode 4:
1. Pick `File | New`, choose `Other` and `Configuration Settings File`, this gets you a new .xcconfig file.
2. Name it `buildnumber.xcconfig`
3. Add one line with this content: `BUILD_NUMBER = 1`
4. Then click on the project on the upper left in the file browser (the same place where you get to build settings), click on the project again in the second-to-left panel, and click on the Info tab at the top of the inner panel.
5. There, you can choose `Based on Configuration File` for each of your targets for each of your configurations (debug, release, etc.)
6. Select your target
7. Select the `Summary` tab
8. For `Build` enter the value: `${BUILD_NUMBER}`
9. Select the `Build Phases` tab
10. Select `Add Build Phase`
11. Choose `Add Run Script`
12. Add the following content:
if [ "$CONFIGURATION" == "AdHoc_Distribution" ]
then /usr/bin/perl -pe 's/(BUILD_NUMBER = )(\d+)/$1.($2+1)/eg' -i buildnumber.xcconfig
fi
13. Change `AdHoc_Distribution` to the actual name of the Xcode configuration(s) you wnat the build number to be increased.
*Note:* Configuration names should not contain spaces!
14. If you want to increase the build number before the build actuallry starts, just drag it up