# changes that were split into their own history. And 'subdir/sub??' never
# change, since they were *only* changed in the subtree branch.
allchanges=$(git log --name-only --pretty=format:'' | sort | fixnl)
-check_equal "$allchanges" "$chkm $chkms $chks $chkms_sub"
+check_equal "$allchanges" "$(echo $chkms $chkm $chks $chkms_sub | multiline | sort | fixnl)"
# make sure the --rejoin commits never make it into subproj
check_equal "$(git log --pretty=format:'%s' HEAD^2 | grep -i split)" ""
# meaningless to subproj since one side of the merge refers to the mainline)
check_equal "$(git log --pretty=format:'%s%n%b' HEAD^2 | grep 'git-subtree.*:')" ""
+# make sure no patch changes more than one file. The original set of commits
+# changed only one file each. A multi-file change would imply that we pruned
+# commits too aggressively.
+joincommits()
+{
+ commit=
+ all=
+ while read x y; do
+ echo "{$x}" >&2
+ if [ -z "$x" ]; then
+ continue
+ elif [ "$x" = "commit:" ]; then
+ if [ -n "$commit" ]; then
+ echo "$commit $all"
+ all=
+ fi
+ commit="$y"
+ else
+ all="$all $y"
+ fi
+ done
+ echo "$commit $all"
+}
+x=
+git log --pretty=format:'commit: %H' | joincommits |
+( while read commit a b; do
+ echo "Verifying commit $commit"
+ check_equal "$b" ""
+ x=1
+ done
+ check_equal "$x" 1
+) || exit 1
+
echo
echo 'ok'