tvl-depot/third_party/git/t/t5306-pack-nobase.sh
Vincent Ambo 7ef0d62730 merge(third_party/git): Merge squashed git subtree at v2.23.0
Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'
2020-01-11 23:40:29 +00:00

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#!/bin/sh
#
# Copyright (c) 2008 Google Inc.
#
test_description='git-pack-object with missing base
'
. ./test-lib.sh
# Create A-B chain
#
test_expect_success \
'setup base' \
'for a in a b c d e f g h i; do echo $a >>text; done &&
echo side >side &&
git update-index --add text side &&
A=$(echo A | git commit-tree $(git write-tree)) &&
echo m >>text &&
git update-index text &&
B=$(echo B | git commit-tree $(git write-tree) -p $A) &&
git update-ref HEAD $B
'
# Create repository with C whose parent is B.
# Repository contains C, C^{tree}, C:text, B, B^{tree}.
# Repository is missing B:text (best delta base for C:text).
# Repository is missing A (parent of B).
# Repository is missing A:side.
#
test_expect_success \
'setup patch_clone' \
'base_objects=$(pwd)/.git/objects &&
(mkdir patch_clone &&
cd patch_clone &&
git init &&
echo "$base_objects" >.git/objects/info/alternates &&
echo q >>text &&
git read-tree $B &&
git update-index text &&
git update-ref HEAD $(echo C | git commit-tree $(git write-tree) -p $B) &&
rm .git/objects/info/alternates &&
git --git-dir=../.git cat-file commit $B |
git hash-object -t commit -w --stdin &&
git --git-dir=../.git cat-file tree "$B^{tree}" |
git hash-object -t tree -w --stdin
) &&
C=$(git --git-dir=patch_clone/.git rev-parse HEAD)
'
# Clone patch_clone indirectly by cloning base and fetching.
#
test_expect_success \
'indirectly clone patch_clone' \
'(mkdir user_clone &&
cd user_clone &&
git init &&
git pull ../.git &&
test $(git rev-parse HEAD) = $B &&
git pull ../patch_clone/.git &&
test $(git rev-parse HEAD) = $C
)
'
# Cloning the patch_clone directly should fail.
#
test_expect_success \
'clone of patch_clone is incomplete' \
'(mkdir user_direct &&
cd user_direct &&
git init &&
test_must_fail git fetch ../patch_clone/.git
)
'
test_done