Update documentation for git-format-patch

diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh
index d9931201204f72a3a5c532b112a95e002a266da3..de45ac4e0fcea5b7acab245af9876b58ec1ccea3 100755 (executable)
--- a/t/t5300-pack-object.sh
+++ b/t/t5300-pack-object.sh
@@ -16,9 +16,9 @@ test_expect_success \
      for i in a b c
      do
             dd if=/dev/zero bs=4k count=1 | tr "\\0" $i >$i &&
-            git-update-cache --add $i || exit
+            git-update-index --add $i || return 1
      done &&
-     cat c >d && echo foo >>d && git-update-cache --add d &&
+     cat c >d && echo foo >>d && git-update-index --add d &&
      tree=`git-write-tree` &&
      commit=`git-commit-tree $tree </dev/null` && {
         echo $tree &&
@@ -29,26 +29,27 @@ test_expect_success \
         while read object
         do
            t=`git-cat-file -t $object` &&
-           git-cat-file $t $object || exit 1
+           git-cat-file $t $object || return 1
         done <obj-list
      } >expect'
 
 test_expect_success \
     'pack without delta' \
-    'git-pack-objects --window=0 test-1 <obj-list'
+    'packname_1=$(git-pack-objects --window=0 test-1 <obj-list)'
 
 rm -fr .git2
 mkdir .git2
 
 test_expect_success \
     'unpack without delta' \
-    'GIT_OBJECT_DIRECTORY=.git2/objects &&
+    "GIT_OBJECT_DIRECTORY=.git2/objects &&
      export GIT_OBJECT_DIRECTORY &&
      git-init-db &&
-     git-unpack-objects test-1'
+     git-unpack-objects -n <test-1-${packname_1}.pack &&
+     git-unpack-objects <test-1-${packname_1}.pack"
 
 unset GIT_OBJECT_DIRECTORY
-cd $TRASH/.git2
+cd "$TRASH/.git2"
 
 test_expect_success \
     'check unpack without delta' \
@@ -57,15 +58,15 @@ test_expect_success \
      do
          cmp $path ../.git/$path || {
             echo $path differs.
-            exit 1
+            return 1
         }
      done'
-cd $TRASH
+cd "$TRASH"
 
 test_expect_success \
     'pack with delta' \
     'pwd &&
-     git-pack-objects test-2 <obj-list'
+     packname_2=$(git-pack-objects test-2 <obj-list)'
 
 rm -fr .git2
 mkdir .git2
@@ -75,10 +76,11 @@ test_expect_success \
     'GIT_OBJECT_DIRECTORY=.git2/objects &&
      export GIT_OBJECT_DIRECTORY &&
      git-init-db &&
-     git-unpack-objects test-2'
+     git-unpack-objects -n <test-2-${packname_2}.pack &&
+     git-unpack-objects <test-2-${packname_2}.pack'
 
 unset GIT_OBJECT_DIRECTORY
-cd $TRASH/.git2
+cd "$TRASH/.git2"
 test_expect_success \
     'check unpack with delta' \
     '(cd ../.git && find objects -type f -print) |
@@ -86,10 +88,10 @@ test_expect_success \
      do
          cmp $path ../.git/$path || {
             echo $path differs.
-            exit 1
+            return 1
         }
      done'
-cd $TRASH
+cd "$TRASH"
 
 rm -fr .git2
 mkdir .git2
@@ -99,12 +101,12 @@ test_expect_success \
     'GIT_OBJECT_DIRECTORY=.git2/objects &&
      export GIT_OBJECT_DIRECTORY &&
      git-init-db &&
-     cp test-1.pack test-1.idx .git2/objects/pack && {
+     cp test-1-${packname_1}.pack test-1-${packname_1}.idx .git2/objects/pack && {
         git-diff-tree --root -p $commit &&
         while read object
         do
            t=`git-cat-file -t $object` &&
-           git-cat-file $t $object || exit 1
+           git-cat-file $t $object || return 1
         done <obj-list
     } >current &&
     diff expect current'
@@ -115,12 +117,12 @@ test_expect_success \
     'GIT_OBJECT_DIRECTORY=.git2/objects &&
      export GIT_OBJECT_DIRECTORY &&
      rm -f .git2/objects/pack/test-?.idx &&
-     cp test-2.pack test-2.idx .git2/objects/pack && {
+     cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && {
         git-diff-tree --root -p $commit &&
         while read object
         do
            t=`git-cat-file -t $object` &&
-           git-cat-file $t $object || exit 1
+           git-cat-file $t $object || return 1
         done <obj-list
     } >current &&
     diff expect current'
@@ -129,38 +131,69 @@ unset GIT_OBJECT_DIRECTORY
 
 test_expect_success \
     'verify pack' \
-    'git-verify-pack test-1.idx test-2.idx'
+    'git-verify-pack test-1-${packname_1}.idx test-2-${packname_2}.idx'
 
 test_expect_success \
     'corrupt a pack and see if verify catches' \
-    'cp test-1.idx test-3.idx &&
-     cp test-2.pack test-3.pack &&
+    'cp test-1-${packname_1}.idx test-3.idx &&
+     cp test-2-${packname_2}.pack test-3.pack &&
      if git-verify-pack test-3.idx
      then false
      else :;
      fi &&
 
-     cp test-1.pack test-3.pack &&
+     : PACK_SIGNATURE &&
+     cp 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
      else :;
      fi &&
 
-     cp test-1.pack test-3.pack &&
+     : PACK_VERSION &&
+     cp 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
      else :;
      fi &&
 
-     cp test-1.pack test-3.pack &&
+     : TYPE/SIZE byte of the first packed object data &&
+     cp 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
      else :;
      fi &&
 
+     : 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 &&
+     dd if=/dev/zero of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
+     if git-verify-pack test-3.pack
+     then false
+     else :;
+     fi &&
+
+     :'
+
+test_expect_success \
+    'build pack index for an existing pack' \
+    'cp test-1-${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-${packname_2}.pack test-3.pack &&
+     git-index-pack -o tmp.idx test-2-${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 &&
+
      :'
 
 test_done