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git-gui: Fix unnecessary fast-forward during checkout

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If we are trying to checkout a local branch which is matched to a
remote tracking branch, but the local branch is newer than the remote
tracking branch we actually just want to switch to the local branch.
The local branch is "Already up to date".

Unfortunately we tossed away the local branch's commit SHA-1 and kept
the remote tracking branch's SHA-1, which meant that the user lost the
local changes when we updated the working directory.  At least we did
not update the local branch ref, so the user's data was still intact.

We now toss the tracking branch's SHA-1 and replace with the local
branch's SHA-1 before the checkout, ensuring that we pass of the right
tree to git-read-tree when we update the working directory.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Shawn O. Pearce 2007-07-22 04:09:53 -04:00
parent 854ffd3046
commit 7bd197c7ba
1 changed files with 1 additions and 0 deletions
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1
lib/checkout_op.tcl
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@ -201,6 +201,7 @@ method _update_ref {} {
# The current branch is actually newer.
#
set new $cur
set new_hash $cur
} else {
_error $this "Branch '$newbranch' already exists.\n\nIt cannot fast-forward to $new_expr.\nA merge is required."
return 0