lib-rebase: Allow comments and blank lines to be added to the rebase script

(For testing "rebase -i"): Support new action types in $FAKE_LINES to
allow comments and blank lines to be added to the "rebase -i" command
list.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh
index 0fce5952ce0cb3f8d1b0be794ad4acdfa36a0ce3..0db8250c5817a822021af4ceda1780ebddeaa553 100644 (file)
--- a/t/lib-rebase.sh
+++ b/t/lib-rebase.sh
@@ -5,13 +5,20 @@
 # - override the commit message with $FAKE_COMMIT_MESSAGE,
 # - amend the commit message with $FAKE_COMMIT_AMEND
 # - check that non-commit messages have a certain line count with $EXPECT_COUNT
-# - rewrite a rebase -i script with $FAKE_LINES in the form
+# - rewrite a rebase -i script as directed by $FAKE_LINES.
+#   $FAKE_LINES consists of a sequence of words separated by spaces.
+#   The following word combinations are possible:
 #
-#      "[<lineno1>] [<lineno2>]..."
+#   "<lineno>" -- add a "pick" line with the SHA1 taken from the
+#       specified line.
 #
-#   If a line number is prefixed with "squash", "fixup", "edit", or
-#   "reword", the respective line's command will be replaced with the
-#   specified one.
+#   "<cmd> <lineno>" -- add a line with the specified command
+#       ("squash", "fixup", "edit", or "reword") and the SHA1 taken
+#       from the specified line.
+#
+#   "#" -- Add a comment line.
+#
+#   ">" -- Add a blank line.
 
 set_fake_editor () {
        echo "#!$SHELL_PATH" >fake-editor.sh
@@ -36,6 +43,10 @@ for line in $FAKE_LINES; do
        case $line in
        squash|fixup|edit|reword)
                action="$line";;
+       "#")
+               echo '# comment' >> "$1";;
+       ">")
+               echo >> "$1";;
        *)
                sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
                action=pick;;