[PATCH] Make git-add -i accept ranges like 7-

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git-add -i ranges expect number-number. But for the supremely lazy, typing in
that second number when selecting "from patch 7 to the end" is wasted effort.
So treat an empty second number in a range as "until the last item".

Signed-off-by: Ciaran McCreesh <ciaran.mccreesh@xxxxxxxxxxxxxx>
---
 Documentation/git-add.txt |    5 +++--
 git-add--interactive.perl |    6 +++---
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt
index 46dd56c..3558905 100644
--- a/Documentation/git-add.txt
+++ b/Documentation/git-add.txt
@@ -187,8 +187,9 @@ update::
    "Update>>".  When the prompt ends with double '>>', you can
    make more than one selection, concatenated with whitespace or
    comma.  Also you can say ranges.  E.g. "2-5 7,9" to choose
-   2,3,4,5,7,9 from the list.  You can say '*' to choose
-   everything.
+   2,3,4,5,7,9 from the list.  If the second number in a range is
+   omitted, all remaining patches are taken.  E.g. "7-" to choose
+   7,8,9 from the list.  You can say '*' to choose everything.
 +
 What you chose are then highlighted with '*',
 like this:
diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index 801d7c0..72a8858 100755
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -406,9 +406,9 @@ sub list_and_choose {
 			if ($choice =~ s/^-//) {
 				$choose = 0;
 			}
-			# A range can be specified like 5-7
-			if ($choice =~ /^(\d+)-(\d+)$/) {
-				($bottom, $top) = ($1, $2);
+			# A range can be specified like 5-7 or 5-.
+			if ($choice =~ /^(\d*)-(\d*)$/) {
+				($bottom, $top) = ($1, length($2) ? $2 : 1 + @stuff);
 			}
 			elsif ($choice =~ /^\d+$/) {
 				$bottom = $top = $choice;
-- 
1.5.6.2

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