X-Git-Url: https://git.phdru.name/?a=blobdiff_plain;ds=sidebyside;f=pep-git.txt;h=a9b4d9ea3b37911fbdc6431541bc7a419946637c;hb=3464b8a43624f0a795e7a0b2908304cd4a661a70;hp=40bdeb44e379a615aa152db905691fcef8b83f46;hpb=72de340c4df0f5b393540ab876d9f5126eff749a;p=git-wiki.git diff --git a/pep-git.txt b/pep-git.txt index 40bdeb4..a9b4d9e 100644 --- a/pep-git.txt +++ b/pep-git.txt @@ -85,16 +85,17 @@ MacOS X: use git installed with `XCode `_ or install git with `Homebrew `_: ``brew install git``. -`Atlassins's SourceTree `_ is a free -Git and Mercurial GUI client for Windows or Mac. +`git-cola `_ is a sleek and +powerful Git GUI written in Python and GPL licensed. Linux, Windows, +MacOS X. Initial configuration --------------------- This simple code is often appears in documentation, but it is -important so let repeat it here. Git marks every commit with author -and committer names/emails, so configure your real name and preferred -email:: +important so let repeat it here. Git stores author and committer +names/emails in every commit, so configure your real name and +preferred email:: $ git config --global user.name "User Name" $ git config --global user.email user.name@example.org @@ -226,6 +227,20 @@ that non-current branch and then merge:: # rebase instead of merge $ git merge v1 +If you have not yet pushed commits on ``v1``, though, the scenario has +to become a bit more complex. Git refuses to update +non-fast-forwardable branch, and you don't want to do force-pull +because that would remove your non-pushed commits and you would need +to recover. So you want to rebase ``v1`` but you cannot rebase +non-current branch. Hence, checkout ``v1`` and rebase it before +merging:: + + $ git checkout v1 + $ git pull --rebase origin v1 + $ git checkout v2 + $ git pull --rebase origin v2 + $ git merge v1 + It is possible to configure git to make it fetch/pull a few branches or all branches at once, so you can simply run @@ -368,6 +383,56 @@ https://kernel.org/pub/software/scm/git/docs/howto/revert-a-faulty-merge.html Merge or rebase? ================ +Internet is full of heated discussions on the topic: "merge or +rebase?" Most of them are meaningless. When a DVCS is being used in a +big team with a big and complex project with many branches there is +simply no way to avoid merges. So the question diminished to "whether +to use rebase, and if yes - when to use rebase?" Considering that it +is very much recommended not to rebase published commits the question +diminished even further: "whether to use rebase on non-pushed +commits?" + +That small question is for the team to decide. The author of the PEP +recommends to use rebase when pulling, i.e. always do ``git pull +--rebase`` or even configure automatic setup of rebase for every new +branch:: + + $ git config branch.autosetuprebase true + +and configure rebase for existing branches:: + + $ git config branch.NAME.rebase true + +After that ``git pull origin v2`` will be equivalent to ``git pull +--rebase origin v2``. + +In case when merge is preferred it is recommended to create new +commits in a separate feature or topic branch while using rebase to +update the mainline branch. When the topic branch is ready merge it +into mainline. To avoid a tedious task of resolving conflicts you can +merge the topic branch to the mainline from time to time and switch +back to the topic branch to continue working on it. The entire +workflow would be something like:: + + $ git checkout -b issue-42 # create and switch to a new branch + ...edit/test/commit... + $ git checkout v2 + $ git pull --rebase origin v2 # update v2 from the upstream + $ git merge issue-42 + $ git branch -d issue-42 # delete the topic branch + $ git push origin v2 + +When the topic branch is deleted only the label is removed, commits +are stayed in the database, they are now merged into v2:: + + --o--o--o--o--o--o-M-