diff options
Diffstat (limited to 'pack_midx.go')
| -rw-r--r-- | pack_midx.go | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/pack_midx.go b/pack_midx.go index 7f31e565..0c4f3213 100644 --- a/pack_midx.go +++ b/pack_midx.go @@ -1,6 +1,7 @@ package furgit import ( + "fmt" "os" "path/filepath" "strings" @@ -245,7 +246,12 @@ func (midx *multiPackIndex) lookup(id Hash) (packlocation, error) { } } - first := int(id[0]) + // Verify hash size matches repository hash size + if id.size != midx.repo.HashSize { + return packlocation{}, fmt.Errorf("furgit: hash size mismatch: got %d, expected %d", id.size, midx.repo.HashSize) + } + + first := int(id.data[0]) var lo int if first > 0 { lo = int(readBE32(midx.fanout[(first-1)*4 : first*4])) |