Weird, I forgot to have 'make test' call test.sh.

diff --git a/test.sh b/test.sh
index 44d5da3f206eef4226b54e84dab1716da5187a8c..12b04565747cb995fb91c2dec8709690b367523c 100755 (executable)
--- a/test.sh
+++ b/test.sh
@@ -78,10 +78,11 @@ git init
 create main4
 git commit -m 'main4'
 git branch -m master mainline
+git branch subdir
 
 git fetch ../subproj sub1
 git branch sub1 FETCH_HEAD
-git subtree add --prefix=subdir FETCH_HEAD
+git subtree add --prefix=subdir/ FETCH_HEAD
 
 # this shouldn't actually do anything, since FETCH_HEAD is already a parent
 git merge -m 'merge -s -ours' -s ours FETCH_HEAD
@@ -117,7 +118,7 @@ create sub9
 git commit -m 'sub9'
 
 cd ../mainline
-split2=$(git subtree split --annotate='*' --prefix subdir --rejoin)
+split2=$(git subtree split --annotate='*' --prefix subdir/ --rejoin)
 git branch split2 "$split2"
 
 create subdir/main-sub10
@@ -160,7 +161,7 @@ check_equal "$mainfiles" "$chkm $chkms_sub $chks_sub"
 # changes that were split into their own history.  And 'subdir/sub??' never
 # change, since they were *only* changed in the subtree branch.
 allchanges=$(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 "$(git log --pretty=format:'%s' HEAD^2 | grep -i split)" ""
@@ -169,5 +170,38 @@ check_equal "$(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'