[RFC PATCH v5 1/8] rebase-interactive: simplify pick_on_preserving_merges

[Wink Saville]

Use compound if statement instead of nested if statements to
simplify pick_on_preserving_merges.

Signed-off-by: Wink Saville <w...@saville.com>
---
 git-rebase--interactive.sh | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 331c8dfea..561e2660e 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -307,17 +307,14 @@ pick_one_preserving_merges () {
        esac
        sha1=$(git rev-parse $sha1)
 
-       if test -f "$state_dir"/current-commit
+       if test -f "$state_dir"/current-commit && test "$fast_forward" = t
        then
-               if test "$fast_forward" = t
-               then
-                       while read current_commit
-                       do
-                               git rev-parse HEAD > 
"$rewritten"/$current_commit
-                       done <"$state_dir"/current-commit
-                       rm "$state_dir"/current-commit ||
-                               die "$(gettext "Cannot write current commit's 
replacement sha1")"
-               fi
+               while read current_commit
+               do
+                       git rev-parse HEAD > "$rewritten"/$current_commit
+               done <"$state_dir"/current-commit
+               rm "$state_dir"/current-commit ||
+                       die "$(gettext "Cannot write current commit's 
replacement sha1")"
        fi
 
        echo $sha1 >> "$state_dir"/current-commit
-- 
2.16.2