MSG="$DOTEST"/message
SQUASH_MSG="$DOTEST"/message-squash
REWRITTEN="$DOTEST"/rewritten
+DROPPED="$DOTEST"/dropped
PRESERVE_MERGES=
STRATEGY=
ONTO=
# rewrite parents; if none were rewritten, we can fast-forward.
new_parents=
- for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -f2-)
+ pend=" $(git rev-list --parents -1 $sha1 | cut -d' ' -f2-)"
+ while [ "$pend" != "" ]
do
+ p=$(expr "$pend" : ' \([^ ]*\)')
+ pend="${pend# $p}"
+
if test -f "$REWRITTEN"/$p
then
new_p=$(cat "$REWRITTEN"/$p)
;;
esac
else
- new_parents="$new_parents $p"
+ if test -f "$DROPPED"/$p
+ then
+ fast_forward=f
+ pend=" $(cat "$DROPPED"/$p)$pend"
+ else
+ new_parents="$new_parents $p"
+ fi
fi
done
case $fast_forward in
#
EOF
+ # Watch for commits that been dropped by --cherry-pick
+ if test t = "$PRESERVE_MERGES"
+ then
+ mkdir "$DROPPED"
+ # drop the --cherry-pick parameter this time
+ git rev-list $MERGES_OPTION --abbrev-commit \
+ --abbrev=7 $UPSTREAM...$HEAD --left-right | \
+ sed -n "s/^>//p" | while read rev
+ do
+ grep --quiet "$rev" "$TODO"
+ if [ $? -ne 0 ]
+ then
+ # Use -f2 because if rev-list is telling this commit is not
+ # worthwhile, we don't want to track its multiple heads,
+ # just the history of its first-parent for others that will
+ # be rebasing on top of us
+ full=$(git rev-parse $rev)
+ git rev-list --parents -1 $rev | cut -d' ' -f2 > "$DROPPED"/$full
+ fi
+ done
+ fi
+
has_action "$TODO" ||
die_abort "Nothing to do"
--- /dev/null
+#!/bin/sh
+#
+# Copyright (c) 2008 Stephen Haberman
+#
+
+test_description='git rebase preserve merges
+
+This test runs git rebase with preserve merges and ensures commits
+dropped by the --cherry-pick flag have their childrens parents
+rewritten.
+'
+. ./test-lib.sh
+
+# set up two branches like this:
+#
+# A - B - C - D - E
+# \
+# F - G - H
+# \
+# I
+#
+# where B, D and G touch the same file.
+
+test_expect_success 'setup' '
+ : > file1 &&
+ git add file1 &&
+ test_tick &&
+ git commit -m A &&
+ git tag A &&
+ echo 1 > file1 &&
+ test_tick &&
+ git commit -m B file1 &&
+ : > file2 &&
+ git add file2 &&
+ test_tick &&
+ git commit -m C &&
+ echo 2 > file1 &&
+ test_tick &&
+ git commit -m D file1 &&
+ : > file3 &&
+ git add file3 &&
+ test_tick &&
+ git commit -m E &&
+ git tag E &&
+ git checkout -b branch1 A &&
+ : > file4 &&
+ git add file4 &&
+ test_tick &&
+ git commit -m F &&
+ git tag F &&
+ echo 3 > file1 &&
+ test_tick &&
+ git commit -m G file1 &&
+ git tag G &&
+ : > file5 &&
+ git add file5 &&
+ test_tick &&
+ git commit -m H &&
+ git tag H &&
+ git checkout -b branch2 F &&
+ : > file6 &&
+ git add file6 &&
+ test_tick &&
+ git commit -m I &&
+ git tag I
+'
+
+# A - B - C - D - E
+# \ \ \
+# F - G - H -- L \ --> L
+# \ | \
+# I -- G2 -- J -- K I -- K
+# G2 = same changes as G
+test_expect_success 'skip same-resolution merges with -p' '
+ git checkout branch1 &&
+ ! git merge E &&
+ echo 23 > file1 &&
+ git add file1 &&
+ git commit -m L &&
+ git checkout branch2 &&
+ echo 3 > file1 &&
+ git commit -a -m G2 &&
+ ! git merge E &&
+ echo 23 > file1 &&
+ git add file1 &&
+ git commit -m J &&
+ echo file7 > file7 &&
+ git add file7 &&
+ git commit -m K &&
+ GIT_EDITOR=: git rebase -i -p branch1 &&
+ test $(git rev-parse branch2^^) = $(git rev-parse branch1) &&
+ test "23" = "$(cat file1)" &&
+ test "" = "$(cat file6)" &&
+ test "file7" = "$(cat file7)" &&
+
+ git checkout branch1 &&
+ git reset --hard H &&
+ git checkout branch2 &&
+ git reset --hard I
+'
+
+# A - B - C - D - E
+# \ \ \
+# F - G - H -- L \ --> L
+# \ | \
+# I -- G2 -- J -- K I -- G2 -- K
+# G2 = different changes as G
+test_expect_success 'keep different-resolution merges with -p' '
+ git checkout branch1 &&
+ ! git merge E &&
+ echo 23 > file1 &&
+ git add file1 &&
+ git commit -m L &&
+ git checkout branch2 &&
+ echo 4 > file1 &&
+ git commit -a -m G2 &&
+ ! git merge E &&
+ echo 24 > file1 &&
+ git add file1 &&
+ git commit -m J &&
+ echo file7 > file7 &&
+ git add file7 &&
+ git commit -m K &&
+ ! GIT_EDITOR=: git rebase -i -p branch1 &&
+ echo 234 > file1 &&
+ git add file1 &&
+ GIT_EDITOR=: git rebase --continue &&
+ test $(git rev-parse branch2^^^) = $(git rev-parse branch1) &&
+ test "234" = "$(cat file1)" &&
+ test "" = "$(cat file6)" &&
+ test "file7" = "$(cat file7)" &&
+
+ git checkout branch1 &&
+ git reset --hard H &&
+ git checkout branch2 &&
+ git reset --hard I
+'
+
+test_done