[PATCH 12/24] t5302: make hash size independent

["brian m. carlson" <sandals@xxxxxxxxxxxxxxxxxxxx>]

Compute the length of object IDs and pack offsets instead of hard-coding
constants.

Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
---
 t/t5302-pack-index.sh | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/t/t5302-pack-index.sh b/t/t5302-pack-index.sh
index 91d51b35f9..93ac003639 100755
--- a/t/t5302-pack-index.sh
+++ b/t/t5302-pack-index.sh
@@ -8,7 +8,8 @@ test_description='pack index with 64-bit offsets and object CRC'
 
 test_expect_success \
     'setup' \
-    'rm -rf .git &&
+    'test_oid_init &&
+     rm -rf .git &&
      git init &&
      git config pack.threads 1 &&
      i=1 &&
@@ -32,7 +33,9 @@ test_expect_success \
 	 echo $tree &&
 	 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\)	.*/\\1/"
      } >obj-list &&
-     git update-ref HEAD $commit'
+     git update-ref HEAD $commit &&
+     rawsz=$(test_oid rawsz)
+'
 
 test_expect_success \
     'pack-objects with index version 1' \
@@ -152,6 +155,7 @@ test_expect_success \
     '[index v1] 2) create a stealth corruption in a delta base reference' \
     '# This test assumes file_101 is a delta smaller than 16 bytes.
      # It should be against file_100 but we substitute its base for file_099
+     offset=$((rawsz + 4)) &&
      sha1_101=$(git hash-object file_101) &&
      sha1_099=$(git hash-object file_099) &&
      offs_101=$(index_obj_offset 1.idx $sha1_101) &&
@@ -159,8 +163,8 @@ test_expect_success \
      chmod +w ".git/objects/pack/pack-${pack1}.pack" &&
      dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($offs_101 + 1)) \
         if=".git/objects/pack/pack-${pack1}.idx" \
-        skip=$((4 + 256 * 4 + $nr_099 * 24)) \
-        bs=1 count=20 conv=notrunc &&
+        skip=$((4 + 256 * 4 + $nr_099 * offset)) \
+        bs=1 count=$rawsz conv=notrunc &&
      git cat-file blob $sha1_101 > file_101_foo1'
 
 test_expect_success \
@@ -200,8 +204,8 @@ test_expect_success \
      chmod +w ".git/objects/pack/pack-${pack1}.pack" &&
      dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($offs_101 + 1)) \
         if=".git/objects/pack/pack-${pack1}.idx" \
-        skip=$((8 + 256 * 4 + $nr_099 * 20)) \
-        bs=1 count=20 conv=notrunc &&
+        skip=$((8 + 256 * 4 + $nr_099 * rawsz)) \
+        bs=1 count=$rawsz conv=notrunc &&
      git cat-file blob $sha1_101 > file_101_foo2'
 
 test_expect_success \
@@ -226,7 +230,7 @@ test_expect_success \
      nr=$(index_obj_nr ".git/objects/pack/pack-${pack1}.idx" $obj) &&
      chmod +w ".git/objects/pack/pack-${pack1}.idx" &&
      printf xxxx | dd of=".git/objects/pack/pack-${pack1}.idx" conv=notrunc \
-        bs=1 count=4 seek=$((8 + 256 * 4 + $(wc -l <obj-list) * 20 + $nr * 4)) &&
+        bs=1 count=4 seek=$((8 + 256 * 4 + $(wc -l <obj-list) * rawsz + $nr * 4)) &&
      ( while read obj
        do git cat-file -p $obj >/dev/null || exit 1
        done <obj-list ) &&