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checkout -f: do not leave untracked working tree files.

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Earlier we did not consider untracked working tree files
"precious", but we have always considered them fair game to
clobber.  These days, branch switching by read-tree is more
careful and tries to protect untracked working tree files.  This
caused the following workflow to stop working:

	git checkout one-branch-with-file-F
	git checkout -f another-without-file-F
	git pull . one-branch-with-file-F

Because the second checkout leaves F from the previous state as
untracked file in the working tree, the merge would fail, trying
to protect F from being clobbered.

This changes "git checkout -f" to remove working tree files that
are known to git in the switched-from state but do not exist in
the switched-to state, borrowing the same logic from "reset --hard".

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-06-20 02:47:14 -07:00
parent 5b276ee4fb
commit 4170af8232
1 changed files with 1 additions and 2 deletions
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3
git-checkout.sh
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@ -137,8 +137,7 @@ fi
if [ "$force" ]
then
git-read-tree --reset $new &&
git-checkout-index -q -f -u -a
git-read-tree --reset -u $new
else
git-update-index --refresh >/dev/null
merge_error=$(git-read-tree -m -u $old $new 2>&1) || (