apply: remove directory that becomes empty by renaming the last file away

diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh
index 35e036a86465ce066b3e3a5f98c769fba6cd4276..f336769836f794c390d6e0ddd19f98da5c7b6e40 100755 (executable)
--- a/t/t5300-pack-object.sh
+++ b/t/t5300-pack-object.sh
@@ -123,11 +123,12 @@ test_expect_success \
      done'
 cd "$TRASH"
 
-test_expect_success \
-    'compare delta flavors' \
-    'size_2=`stat -c "%s" test-2-${packname_2}.pack` &&
-     size_3=`stat -c "%s" test-3-${packname_3}.pack` &&
-     test $size_2 -gt $size_3'
+test_expect_success 'compare delta flavors' '
+       perl -e '\''
+               defined($_ = -s $_) or die for @ARGV;
+               exit 1 if $ARGV[0] <= $ARGV[1];
+       '\'' test-2-$packname_2.pack test-3-$packname_3.pack
+'
 
 rm -fr .git2
 mkdir .git2
@@ -151,7 +152,7 @@ test_expect_success \
     'use packed deltified (REF_DELTA) objects' \
     'GIT_OBJECT_DIRECTORY=.git2/objects &&
      export GIT_OBJECT_DIRECTORY &&
-     rm .git2/objects/pack/test-* &&
+     rm -f .git2/objects/pack/test-* &&
      cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && {
         git-diff-tree --root -p $commit &&
         while read object
@@ -166,7 +167,7 @@ test_expect_success \
     'use packed deltified (OFS_DELTA) objects' \
     'GIT_OBJECT_DIRECTORY=.git2/objects &&
      export GIT_OBJECT_DIRECTORY &&
-     rm .git2/objects/pack/test-* &&
+     rm -f .git2/objects/pack/test-* &&
      cp test-3-${packname_3}.pack test-3-${packname_3}.idx .git2/objects/pack && {
         git-diff-tree --root -p $commit &&
         while read object
@@ -187,15 +188,15 @@ test_expect_success \
 
 test_expect_success \
     'corrupt a pack and see if verify catches' \
-    'cp test-1-${packname_1}.idx test-3.idx &&
-     cp test-2-${packname_2}.pack test-3.pack &&
+    'cat test-1-${packname_1}.idx >test-3.idx &&
+     cat test-2-${packname_2}.pack >test-3.pack &&
      if git-verify-pack test-3.idx
      then false
      else :;
      fi &&
 
      : PACK_SIGNATURE &&
-     cp test-1-${packname_1}.pack test-3.pack &&
+     cat test-1-${packname_1}.pack >test-3.pack &&
      dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
      if git-verify-pack test-3.idx
      then false
@@ -203,7 +204,7 @@ test_expect_success \
      fi &&
 
      : PACK_VERSION &&
-     cp test-1-${packname_1}.pack test-3.pack &&
+     cat test-1-${packname_1}.pack >test-3.pack &&
      dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
      if git-verify-pack test-3.idx
      then false
@@ -211,7 +212,7 @@ test_expect_success \
      fi &&
 
      : TYPE/SIZE byte of the first packed object data &&
-     cp test-1-${packname_1}.pack test-3.pack &&
+     cat test-1-${packname_1}.pack >test-3.pack &&
      dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
      if git-verify-pack test-3.idx
      then false
@@ -221,7 +222,7 @@ test_expect_success \
      : sum of the index file itself &&
      l=`wc -c <test-3.idx` &&
      l=`expr $l - 20` &&
-     cp test-1-${packname_1}.pack test-3.pack &&
+     cat test-1-${packname_1}.pack >test-3.pack &&
      dd if=/dev/zero of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
      if git-verify-pack test-3.pack
      then false
@@ -232,21 +233,21 @@ test_expect_success \
 
 test_expect_success \
     'build pack index for an existing pack' \
-    'cp test-1-${packname_1}.pack test-3.pack &&
+    'cat test-1-${packname_1}.pack >test-3.pack &&
      git-index-pack -o tmp.idx test-3.pack &&
      cmp tmp.idx test-1-${packname_1}.idx &&
 
      git-index-pack test-3.pack &&
      cmp test-3.idx test-1-${packname_1}.idx &&
 
-     cp test-2-${packname_2}.pack test-3.pack &&
+     cat test-2-${packname_2}.pack >test-3.pack &&
      git-index-pack -o tmp.idx test-2-${packname_2}.pack &&
      cmp tmp.idx test-2-${packname_2}.idx &&
 
      git-index-pack test-3.pack &&
      cmp test-3.idx test-2-${packname_2}.idx &&
 
-     cp test-3-${packname_3}.pack test-3.pack &&
+     cat test-3-${packname_3}.pack >test-3.pack &&
      git-index-pack -o tmp.idx test-3-${packname_3}.pack &&
      cmp tmp.idx test-3-${packname_3}.idx &&