-#!/bin/sh
-#
# Support routines for hand-crafting weird or malicious packs.
#
# You can make a complete pack like:
# Print the big-endian 4-byte octal representation of $1
uint32_octal () {
n=$1
- printf '\%o' $(($n / 16777216)); n=$((n % 16777216))
- printf '\%o' $(($n / 65536)); n=$((n % 65536))
- printf '\%o' $(($n / 256)); n=$((n % 256))
- printf '\%o' $(($n ));
+ printf '\\%o' $(($n / 16777216)); n=$((n % 16777216))
+ printf '\\%o' $(($n / 65536)); n=$((n % 65536))
+ printf '\\%o' $(($n / 256)); n=$((n % 256))
+ printf '\\%o' $(($n ));
}
# Print the big-endian 4-byte binary representation of $1
printf '\062\170\234\143\267\3\0\0\116\0\106'
return
;;
+ 01d7713666f4de822776c7622c10f1b07de280dc)
+ printf '\165\1\327\161\66\146\364\336\202\47\166' &&
+ printf '\307\142\54\20\361\260\175\342\200\334\170' &&
+ printf '\234\143\142\142\142\267\003\0\0\151\0\114'
+ return
+ ;;
+ esac
+ ;;
+
+ # blob containing "\7\0"
+ 01d7713666f4de822776c7622c10f1b07de280dc)
+ case "$2" in
+ '')
+ printf '\062\170\234\143\147\0\0\0\20\0\10'
+ return
+ ;;
+ e68fe8129b546b101aee9510c5328e7f21ca1d18)
+ printf '\165\346\217\350\22\233\124\153\20\32\356' &&
+ printf '\225\20\305\62\216\177\41\312\35\30\170\234' &&
+ printf '\143\142\142\142\147\0\0\0\53\0\16'
+ return
+ ;;
esac
;;
esac
+ # If it's not a delta, we can convince pack-objects to generate a pack
+ # with just our entry, and then strip off the header (12 bytes) and
+ # trailer (20 bytes).
+ if test -z "$2"
+ then
+ echo "$1" | git pack-objects --stdout >pack_obj.tmp &&
+ size=$(wc -c <pack_obj.tmp) &&
+ dd if=pack_obj.tmp bs=1 count=$((size - 20 - 12)) skip=12 &&
+ rm -f pack_obj.tmp
+ return
+ fi
+
echo >&2 "BUG: don't know how to print $1${2:+ (from $2)}"
return 1
}
# Compute and append pack trailer to "$1"
pack_trailer () {
- test-sha1 -b <"$1" >trailer.tmp &&
+ test-tool sha1 -b <"$1" >trailer.tmp &&
cat trailer.tmp >>"$1" &&
rm -f trailer.tmp
}