rebase: improve error message when upstream argument is missing

Strip out options before checking for a missing upstream argument.
Before:

 $ git rebase -m
 shift: 426: can't shift that many

After:

 $ git rebase -m
 Usage: git rebase ...

While at it, fix the usage message to explain that the upstream
argument is mandatory.

Reported-by: Jon Dowland <jmtd@debian.org>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2010-05-31 17:51:32 -05:00 committed by Junio C Hamano
parent 81fa024cd8
commit bffd750adf
2 changed files with 20 additions and 10 deletions

View File

@ -3,7 +3,7 @@
# Copyright (c) 2005 Junio C Hamano.
#
USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--no-ff] [--onto <newbase>] [<upstream>|--root] [<branch>] [--quiet | -q]'
USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--no-ff] [--onto <newbase>] (<upstream>|--root) [<branch>] [--quiet | -q]'
LONG_USAGE='git-rebase replaces <branch> with a new branch of the
same name. When the --onto option is provided the new branch starts
out with a HEAD equal to <newbase>, otherwise it is equal to <upstream>
@ -198,14 +198,6 @@ test -f "$GIT_DIR"/rebase-apply/applying &&
is_interactive "$@" && exec git-rebase--interactive "$@"
if test $# -eq 0
then
test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || usage
test -d "$dotest" -o -f "$GIT_DIR"/rebase-apply/rebasing &&
die 'A rebase is in progress, try --continue, --skip or --abort.'
die "No arguments given and $GIT_DIR/rebase-apply already exists."
fi
while test $# != 0
do
case "$1" in
@ -370,6 +362,13 @@ do
done
test $# -gt 2 && usage
if test $# -eq 0 && test -z "$rebase_root"
then
test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || usage
test -d "$dotest" -o -f "$GIT_DIR"/rebase-apply/rebasing &&
die 'A rebase is in progress, try --continue, --skip or --abort.'
fi
# Make sure we do not have $GIT_DIR/rebase-apply
if test -z "$do_merge"
then

View File

@ -126,9 +126,20 @@ test_expect_success 'Show verbose error when HEAD could not be detached' '
test_must_fail git rebase topic 2> output.err > output.out &&
grep "Untracked working tree file .B. would be overwritten" output.err
'
rm -f B
test_expect_success 'dump usage when upstream arg is missing' '
git checkout -b usage topic &&
test_must_fail git rebase 2>error1 &&
grep "[Uu]sage" error1 &&
test_must_fail git rebase --abort 2>error2 &&
grep "No rebase in progress" error2 &&
test_must_fail git rebase --onto master 2>error3 &&
grep "[Uu]sage" error3 &&
! grep "can.t shift" error3
'
test_expect_success 'rebase -q is quiet' '
rm B &&
git checkout -b quiet topic &&
git rebase -q master > output.out 2>&1 &&
test ! -s output.out