Mercurial remove revision changes undo patch

Im moving a build process to use mercurial and want to get the working directory back to the state of the tip revision. Rolling back to an old revision in mercurial like git. Mq cannot automatically detect changes that you make to the patch directory. In mercurial, every repository is selfcontained and includes the full history of the project. It is important to understand that this ordering can change from machine to machine due to mercurial. To create a patch using mq extensions you can do the following. To undo changes in the working directory you can edit files like you normally would using your favorite editor. I tested one patch, now i want to remove this patch and go back to previous latest version of drupal. Useful mercurial commands documentation for mozilla l10n drivers. If you want to undo your changes, you can revert them from the working copy. First, we identify the revision we want to reverse. With microsofts recent record, users may occasionally need to uninstall security fixes until the redmond, wash. Git has a couple utilities that help manage the working directory. I made 2 commit and wanted to rollback and delete both commits.

If you forget to do this, you can confuse mqs idea of which patches are applied. You could use a merge tool to perform the diff and bring across any changes you made. Mercurial will generally allow you to refer to a revision in three ways. Under x11, the short changeset hash is automatically copied to the primary selection when the revision is clicked, you paste it by pressing the middle mouse button. If you hg add a file, then decide that in fact you dont want mercurial to track it, use hg revert to undo the add. Mercurial hg cheat sheet by codeshane download free. Recently ive wanted the functionality of git reset hard several times in mercurial. If we dont want that change, we can simply hg revert the file. How do i convert a mercurial queues patch to local changes only.

Rolling back to an old revision in mercurial like git reset july 19, 2012. If you want to undo all the changes which were committed in a particular revision, read the section called revision log dialog for further information. You can undo, or roll back, exactly one of these actions using the hg rollback command. How to uninstall a microsoft patch informationweek. We can use hg strip command to remove more than one commits in mercurial. The tagged revision of the release where the bug was found is often a reasonable candidate or the revision of the oldest release you still wish to support if the bug is present there, of course. It does not undo any changes which have already been committed.

So far, with the exception of qnew and qrefresh, weve been careful to only use regular mercurial commands. What are revision numbers, changeset ids, and tags. You can rollback the last commit but only the last one with hg rollback and then reapply it important. Export export patch generate a patch file containing this revisions changes. Well, while the next version of mercurial does add a pull rebase command, all it does.

From the command line reference the amend flag can be used to amend the parent of the working directory with a new commit that contains the changes in the parent in addition to those currently reported by hg status, if there are any. Notice that the patch contains the changes in our prior patch as part of its context you can see this more clearly in the output of hg annotate. Press the space bar to move to the next page, q to quit. As a last resort, heres how to remove an offending patch, and then keep it off your pc. Lets assume that you have staged uncommitted changes in your.

Create a mercurial repository of current directory with a. If you specifically want to undo your last commit, you can use. Using qpush and qpop, you can apply and revert your patches until the one you. Hg undos and fixes hg rollback can undo commit, import, pull, local push, and unbundle. Recovering from merge errors in mercurial with sub. As suggested, to undo a merge, meaning go back to the state just before the merge, you typically run hg update clean. It lets you reverse the results of all of mercurials file management commands hg add, hg remove, and so on.

When you clone the repository you are taking a complete snapshot of the entire change history along with the associated changeset ids, etc. Talking to a colleague of mine today about the upcoming features in mercurial 1. This command is normally used to convert an svngit repository to mercurial, but it can be used to convert from mercurial to mercurial as well. You can always undo the changes youve made locally before you commit them. Merging the latest revision with your changed files current working copy results in the same changes that you already have, i. This will remove all the changes and update to the latest head in the current branch. The great thing about this command is the filemap option that specifies which files should be included in the conversion process and which should not.

I assume that this should be possible although the hg help commit is a little vague on this point. Revision 4 is a merge changeset, as it has two parent changesets revisions 2 and 3. At that time i did not realize this and i changed the code. However, mq provides many commands that are easier to use when you are thinking about. To temporarily set aside some not yet committed changes in a working directory as a patch file. Though mercurial doesnt provide an easy alternative and shies away from the idea of mutable history, there are a few ways to achieve something close. Merge from a named branch or revision into the current local branch. Every time you download or install a new game, application, or software update, you make changes to your computer. A useful behavior that mercurial has is that if you pass the name of a directory to a command, every mercurial command will treat this as i want to operate on every file in this directory and its subdirectories. There is the git clean command which is a convenience utility for undoing changes to the working directory. Removing files from mercurial history help desk software. Every commit generates a changeset recording the state of the working directory relative to its parents, so merging is really easier and more efficient than with other scm.

Use qrefresh to put edits into patches and commit mq to save. Right click on the selected revisions, then select context menu revert changes from this revision. From the start menu, click control panel, then add or remove programs. Unfortunately there is no cvs revert command which revert the files like in svn, bazaar, git etc i used same patch command to revert the applied patch. Hi, i added support for the hg commit amend command to the most recent release of tortoisehg. Mercurial patches reference specific changesets which wont exist in your new repository. Remove applied patch using patch command flames blog. His problem is that he applied 5 patches without committing, and now wants to revert one of them. Use system restore to undo changes if problems occur. Mercurial how to discard all local changes including to unversioned files. I just found out that using tortoisehg it is not possible to amend a revision to change the files that are included in that revision. In the section labelled paths, an entry is created called default, which points to the. You can use the hg annotate command to see which changeset or patch. So you should backup your changes before doing revert.

Diff versions of same file from different changeset. Rolling back to an old revision in mercurial like git reset sophie. Mercurial considers revision 6 to be the tip of the repository, the head with the highest revision number. You can then use the hg update command to place your workspace to that revision, v1. To generate a patch, just invoke hg diff which will print out a patch of the working copys changes against the current revision. A local work folder containing one revision and any uncommited changes youve made. Now, we choose the parent revision which we want to backup to, in this case revision 1 this is the revision this branch should be at. Using support for mercurial queues in netbeans ide.

The netbeans ide provides support for the mercurial queues extension. In theory it might be possible to apply a patch in reverse, but i suspect it is not worth the. Add the following lines to your hgrc file and save it. When you clone a repository, the uri of the original is stored in the repositorys own hgrc file stored in the. Every time you commit a changeset or pull changes from another repository, mercurial remembers what you did. To open add or remove programs, click start, click control panel, and then click add or remove programs. If you want to read up on mercurial, id recommend the very awesome tutorial hg init. You can now make changes to the files, here you can untick a file to undo adddelete from the commit unlike append. So, i used hg log l 10 to find the latest 10 commits. Mercurial how to discard all local changes including to.

The only way to remove data from the repository is to use the subversion command line tool svnadmin. Next, we identify the parents of the backout revision. Mercurial has added amend which should be the preferred option now. Inform mercurial about the resolution of merge conflicts. To delete a patch first make sure its unapplied by double clicking the commit before it then right click and select delete patches. Unfortunately, its often hard to remove exactly the right changesets using this. Earlier runs of the build process will have modified some files and added some files that i dont want to commit, so i have local changes and files that arent added to the repository. Mercurial groups related changes to multiple files commits into single atomic changesets. If you hg pull, manually edit, or hg update changes to patches or the series file, you will have to hg qpop hg a and then hg qpush hg a in the underlying repository to see those changes show up there. You can apply them as mercurial changesets, unapply them, edit them, and. If you only want to reset one file, you can use hg revert filename.