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I was assuming that both work in the same way. Both add every file onto index. But I seem wrong.
git add . and git add -u?
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Detail: git add -A is equivalent to git add .; git add -u . The important point about git add . is that it looks at the working tree and adds all those paths to the staged changes if they are either changed or are new and not ignored, it does not stage any 'rm' actions.
The git add command adds a change in the working directory to the staging area. It tells Git that you want to include updates to a particular file in the next commit. However, git add doesn't really affect the repository in any significant way—changes are not actually recorded until you run git commit .
git add : takes a modified file in your working directory and places the modified version in a staging area. git commit takes everything from the staging area and makes a permanent snapshot of the current state of your repository that is associated with a unique identifier.
It is one of the git gotchas mentioned here (pre Git 2.0).
git add . only adds what is there, not what has been deleted (if tracked).
git add . git commit git status //hey! why didn't it commit my deletes?, Oh yeah, silly me git add -u . git commit --amend git add -A would take care of both steps...
With Git 2.0, git add -A is default.
git add <path>is the same as "git add -A <path>" now, so that "git add dir/" will notice paths you removed from the directory and record the removal.
In older versions of Git, "git add <path>" used to ignore removals.You can say "
git add --ignore-removal <path>" to add only added or modified paths in<path>, if you really want to.
Warning (git1.8.3 April 2013, for upcoming git2.0).
I have modified my answer to say git add -u ., instead of git add -u.:
git add -uwill operate on the entire tree in Git 2.0 for consistency with "git commit -a" and other commands.
Because there will be no mechanism to make "git add -u" behave as "git add -u .", it is important for those who are used to "git add -u" (without pathspec) updating the index only for paths in the current subdirectory to start training their fingers to explicitly say "git add -u ." when they mean it before Git 2.0 comes.
As I mentioned in "e"
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