diff options
Diffstat (limited to 't/lib-chunk.sh')
| -rw-r--r-- | t/lib-chunk.sh | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/t/lib-chunk.sh b/t/lib-chunk.sh new file mode 100644 index 0000000000..a7cd9c3c6d --- /dev/null +++ b/t/lib-chunk.sh @@ -0,0 +1,17 @@ +# Shell library for working with "chunk" files (commit-graph, midx, etc). + +# corrupt_chunk_file <fn> <chunk> <offset> <bytes> +# +# Corrupt a chunk-based file (like a commit-graph) by overwriting the bytes +# found in the chunk specified by the 4-byte <chunk> identifier. If <offset> is +# "clear", replace the chunk entirely. Otherwise, overwrite data <offset> bytes +# into the chunk. +# +# The <bytes> are interpreted as pairs of hex digits (so "000000FE" would be +# big-endian 254). +corrupt_chunk_file () { + fn=$1; shift + perl "$TEST_DIRECTORY"/lib-chunk/corrupt-chunk-file.pl \ + "$@" <"$fn" >"$fn.tmp" && + mv "$fn.tmp" "$fn" +} |