tvl-depot/third_party/git/t/t4044-diff-index-unique-abbrev.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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#!/bin/sh
test_description='test unique sha1 abbreviation on "index from..to" line'
. ./test-lib.sh
test_expect_success 'setup' '
test_oid_cache <<-EOF &&
val1 sha1:4827
val1 sha256:5664
val2 sha1:11742
val2 sha256:10625
hash1 sha1:51d2738463ea4ca66f8691c91e33ce64b7d41bb1
hash1 sha256:ae31dfff0af93b2c62b0098a039b38569c43b0a7e97b873000ca42d128f27350
hasht1 sha1:51d27384
hasht1 sha256:ae31dfff
hash2 sha1:51d2738efb4ad8a1e40bed839ab8e116f0a15e47
hash2 sha256:ae31dffada88a46fd5f53c7ed5aa25a7a8951f1d5e88456c317c8d5484d263e5
hasht2 sha1:51d2738e
hasht2 sha256:ae31dffa
EOF
cat >expect_initial <<-EOF &&
100644 blob $(test_oid hash1) foo
EOF
cat >expect_update <<-EOF &&
100644 blob $(test_oid hash2) foo
EOF
echo "$(test_oid val1)" > foo &&
git add foo &&
git commit -m "initial" &&
git cat-file -p HEAD: > actual &&
test_cmp expect_initial actual &&
echo "$(test_oid val2)" > foo &&
git commit -a -m "update" &&
git cat-file -p HEAD: > actual &&
test_cmp expect_update actual
'
cat >expect <<EOF
index $(test_oid hasht1)..$(test_oid hasht2) 100644
EOF
test_expect_success 'diff does not produce ambiguous index line' '
git diff HEAD^..HEAD | grep index > actual &&
test_cmp expect actual
'
test_done