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rebase: use @{upstream} if no upstream specified

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'git rebase' without arguments is currently not supported. Make it
default to 'git rebase @{upstream}'. That is also what 'git pull
[--rebase]' defaults to, so it only makes sense that 'git rebase'
defaults to the same thing.

Defaulting to @{upstream} will make it possible to run e.g. 'git
rebase -i' without arguments, which is probably a quite common use
case. It also improves the scenario where you have multiple branches
that rebase against a remote-tracking branch, where you currently have
to choose between the extra network delay of 'git pull' or the
slightly awkward keys to enter 'git rebase @{u}'.

The error reporting when no upstream is configured for the current
branch or when no branch is checked out is reused from git-pull.sh. A
function is extracted into git-parse-remote.sh for this purpose.

Helped-by: Yann Dirson <ydirson@altern.org>
Helped-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Martin von Zweigbergk <martin.von.zweigbergk@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Martin von Zweigbergk
2011-02-09 20:54:02 -05:00
committed by Junio C Hamano
parent c71f8f3d50
commit 15a147e618
6 changed files with 85 additions and 46 deletions
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38
git-parse-remote.sh
View File

@ -99,3 +99,41 @@ get_remote_merge_branch () {
esac
esac
}
error_on_missing_default_upstream () {
cmd="$1"
op_type="$2"
op_prep="$3"
example="$4"
branch_name=$(git symbolic-ref -q HEAD)
if test -z "$branch_name"
then
echo "You are not currently on a branch, so I cannot use any
'branch.<branchname>.merge' in your configuration file.
Please specify which branch you want to $op_type $op_prep on the command
line and try again (e.g. '$example').
See git-${cmd}(1) for details."
else
echo "You asked me to $cmd without telling me which branch you
want to $op_type $op_prep, and 'branch.${branch_name#refs/heads/}.merge' in
your configuration file does not tell me, either. Please
specify which branch you want to use on the command line and
try again (e.g. '$example').
See git-${cmd}(1) for details.
If you often $op_type $op_prep the same branch, you may want to
use something like the following in your configuration file:
[branch \"${branch_name#refs/heads/}\"]
remote = <nickname>
merge = <remote-ref>"
test rebase = "$op_type" &&
echo " rebase = true"
echo "
[remote \"<nickname>\"]
url = <url>
fetch = <refspec>
See git-config(1) for details."
fi
exit 1
}