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#!/bin/sh
test_description='test index-pack handling of delta cycles in packfiles'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-pack.sh
# Two similar-ish objects that we have computed deltas between.
A=01d7713666f4de822776c7622c10f1b07de280dc
B=e68fe8129b546b101aee9510c5328e7f21ca1d18
# double-check our hand-constucted packs
test_expect_success 'index-pack works with a single delta (A->B)' '
clear_packs &&
{
pack_header 2 &&
pack_obj $A $B &&
pack_obj $B
} >ab.pack &&
pack_trailer ab.pack &&
git index-pack --stdin <ab.pack &&
git cat-file -t $A &&
git cat-file -t $B
'
test_expect_success 'index-pack works with a single delta (B->A)' '
clear_packs &&
{
pack_header 2 &&
pack_obj $A &&
pack_obj $B $A
} >ba.pack &&
pack_trailer ba.pack &&
git index-pack --stdin <ba.pack &&
git cat-file -t $A &&
git cat-file -t $B
'
test_expect_success 'index-pack detects missing base objects' '
clear_packs &&
{
pack_header 1 &&
pack_obj $A $B
} >missing.pack &&
pack_trailer missing.pack &&
test_must_fail git index-pack --fix-thin --stdin <missing.pack
'
test_expect_success 'index-pack detects REF_DELTA cycles' '
clear_packs &&
{
pack_header 2 &&
pack_obj $A $B &&
pack_obj $B $A
} >cycle.pack &&
pack_trailer cycle.pack &&
test_must_fail git index-pack --fix-thin --stdin <cycle.pack
'
test_expect_failure 'failover to an object in another pack' '
clear_packs &&
git index-pack --stdin <ab.pack &&
git index-pack --stdin --fix-thin <cycle.pack
'
test_expect_failure 'failover to a duplicate object in the same pack' '
clear_packs &&
{
pack_header 3 &&
pack_obj $A $B &&
pack_obj $B $A &&
pack_obj $A
} >recoverable.pack &&
pack_trailer recoverable.pack &&
git index-pack --fix-thin --stdin <recoverable.pack
'
test_done
|
