[PATCH v3 1/2] rebase-i: explicitly accept tab as separator in commands

[Matthieu Moy <Matthieu.Moy@imag.fr>]

The git-rebase-todo is parsed several times with different parsers. In
principle, the user input is normalized by transform_todo_ids and
further parsing can be stricter.

In case the user wrote

pick deadbeef<TAB>commit message

the parser of transform_todo_ids was considering the sha1 to be
"deadbeef<TAB>commit", and was leaving the tab in the transformed sheet.
In practice, this went unnoticed since the actual command interpretation
was done later in do_next which did accept the tab as a separator.

Make it explicit in the code of transform_todo_ids that tabs are
accepted. This way, code that mimicks it will also accept tabs as
separator.

A similar construct appears in skip_unnecessary_picks, but this one
comes after transform_todo_ids, hence reads the normalized format, so it
needs not be changed.

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
---
This is new in v3.

 git-rebase--interactive.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index f01637b..0d77429 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -729,8 +729,8 @@ transform_todo_ids () {
 			# that do not have a SHA-1 at the beginning of $rest.
 			;;
 		*)
-			sha1=$(git rev-parse --verify --quiet "$@" ${rest%% *}) &&
-			rest="$sha1 ${rest#* }"
+			sha1=$(git rev-parse --verify --quiet "$@" ${rest%%[	 ]*}) &&
+			rest="$sha1 ${rest#*[	 ]}"
 			;;
 		esac
 		printf '%s\n' "$command${rest:+ }$rest"
-- 
2.5.0.402.g8854c44