On Mon, Mar 25, 2013 at 04:21:34PM -0400, Jeff King wrote:
> +# Convert byte at offset "$2" of object "$1" into '\0'
> +corrupt_byte() {
> + obj_file=$(obj_to_file "$1") &&
> + chmod +w "$obj_file" &&
> + printf '\0' | dd of="$obj_file" bs=1 seek="$2"
> +}
Hmm, this last line should probably be:
diff --git a/t/t1060-object-corruption.sh b/t/t1060-object-corruption.sh
index a84deb1..3f87051 100755
--- a/t/t1060-object-corruption.sh
+++ b/t/t1060-object-corruption.sh
@@ -12,7 +12,7 @@ corrupt_byte() {
corrupt_byte() {
obj_file=$(obj_to_file "$1") &&
chmod +w "$obj_file" &&
- printf '\0' | dd of="$obj_file" bs=1 seek="$2"
+ printf '\0' | dd of="$obj_file" bs=1 seek="$2" conv=notrunc
}
test_expect_success 'setup corrupt repo' '
The intent was to change a single byte, not truncate the file (though on
the plus side, that truncation is what found the other bugs).
-Peff
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