If your macoS version is Catalina >= 10.15, you can install the latest Xcode directly from the App Store by following these steps: Select menu -> "About This Mac" and read the macOS version number. To choose the correct Xcode installation, you need to know your macOS version. Installing Xcode provides the C++ compiler that is used by Qt Creator. 2) Install Xcode toolsĪpple's developer tools are bundled as a part of Xcode. If this is not possible for you, please reach out to the course staff ASAP. In order to install QtCreator, you need to have a version of MacOS that is >= 10.13.
If so, install them first and only then proceed with the rest of this installation guide. Select menu -> "System Preferences" -> "Software Update" and check whether any OS updates are available. Voilà: you now have a new branch named "old-project-state" reflecting the old version of your project - without touching or even removing any other commits or branches.Before installation, ensure your macOS operating system is current. If you don't want it to start at the current HEAD revision, you also need to provide a commit hash - the old project revision we want to restore. However, providing the -b parameter, you can also let it create a new branch (named "old-project-state" in this example). Normally, the checkout command is used to just switch branches. Since "branches" are so cheap and easy in Git, we can easily create a new branch which starts at that old revision: $ git checkout -b old-project-state 0ad5a7a6 However, there is also a "safer" way in case you'd prefer leaving your current HEAD branch untouched. If you're sure that this is what you want, everything is fine.
And in case you made a mistake: simply hit CMD+Z to undo the reset and restore the removed commits! Restoring a Revision in a New Local BranchĪs said, using the reset command on your HEAD branch is a quite drastic action: it will remove any commits (on this branch) that came after the specified revision. In case you are using the Tower Git client, you can use the reset command right from a commit's contextual menu. You'll be left with a couple of changes in your working copy and can then decide what to do with them. If you use it instead of -hard, Git will keep all the changes in those "undone" commits as local modifications: $ git reset -soft 0ad5a7a6 The reset command comes with a couple of options, one of the more interesting ones being the "-soft" flag.
All commits that came after this version are effectively undone your project is exactly as it was at that point in time. This will rewind your HEAD branch to the specified version. The fastest way to restore an old version is to use the "reset" command: $ git reset -hard 0ad5a7a6 Download Now for Free Returning to an Old Revision
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