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git/t/t1016-compatObjectFormat.sh
Andrew Kreimer c348192afe t1016: clean up style 
Use `test_config`.

Remove whitespace after redirect operator.

Reported-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2024-10-22 12:35:05 -04:00

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#!/bin/sh
#
# Copyright (c) 2023 Eric Biederman
#
test_description='Test how well compatObjectFormat works'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-gpg.sh
# All of the follow variables must be defined in the environment:
# GIT_AUTHOR_NAME
# GIT_AUTHOR_EMAIL
# GIT_AUTHOR_DATE
# GIT_COMMITTER_NAME
# GIT_COMMITTER_EMAIL
# GIT_COMMITTER_DATE
#
# The test relies on these variables being set so that the two
# different commits in two different repositories encoded with two
# different hash functions result in the same content in the commits.
# This means that when the commit is translated between hash functions
# the commit is identical to the commit in the other repository.
compat_hash () {
case "$1" in
"sha1")
echo "sha256"
;;
"sha256")
echo "sha1"
;;
esac
}
hello_oid () {
case "$1" in
"sha1")
echo "$hello_sha1_oid"
;;
"sha256")
echo "$hello_sha256_oid"
;;
esac
}
tree_oid () {
case "$1" in
"sha1")
echo "$tree_sha1_oid"
;;
"sha256")
echo "$tree_sha256_oid"
;;
esac
}
commit_oid () {
case "$1" in
"sha1")
echo "$commit_sha1_oid"
;;
"sha256")
echo "$commit_sha256_oid"
;;
esac
}
commit2_oid () {
case "$1" in
"sha1")
echo "$commit2_sha1_oid"
;;
"sha256")
echo "$commit2_sha256_oid"
;;
esac
}
del_sigcommit () {
local delete="$1"
if test "$delete" = "sha256" ; then
local pattern="gpgsig-sha256"
else
local pattern="gpgsig"
fi
test-tool delete-gpgsig "$pattern"
}
del_sigtag () {
local storage="$1"
local delete="$2"
if test "$storage" = "$delete" ; then
local pattern="trailer"
elif test "$storage" = "sha256" ; then
local pattern="gpgsig"
else
local pattern="gpgsig-sha256"
fi
test-tool delete-gpgsig "$pattern"
}
base=$(pwd)
for hash in sha1 sha256
do
cd "$base"
mkdir -p repo-$hash
cd repo-$hash
test_expect_success "setup $hash repository" '
git init --object-format=$hash &&
git config core.repositoryformatversion 1 &&
git config extensions.objectformat $hash &&
git config extensions.compatobjectformat $(compat_hash $hash) &&
test_config gpg.program $TEST_DIRECTORY/t1016/gpg &&
echo "Hello World!" >hello &&
eval hello_${hash}_oid=$(git hash-object hello) &&
git update-index --add hello &&
git commit -m "Initial commit" &&
eval commit_${hash}_oid=$(git rev-parse HEAD) &&
eval tree_${hash}_oid=$(git rev-parse HEAD^{tree})
'
test_expect_success "create a $hash tagged blob" '
git tag --no-sign -m "This is a tag" hellotag $(hello_oid $hash) &&
eval hellotag_${hash}_oid=$(git rev-parse hellotag)
'
test_expect_success "create a $hash tagged tree" '
git tag --no-sign -m "This is a tag" treetag $(tree_oid $hash) &&
eval treetag_${hash}_oid=$(git rev-parse treetag)
'
test_expect_success "create a $hash tagged commit" '
git tag --no-sign -m "This is a tag" committag $(commit_oid $hash) &&
eval committag_${hash}_oid=$(git rev-parse committag)
'
test_expect_success GPG2 "create a $hash signed commit" '
git commit --gpg-sign --allow-empty -m "This is a signed commit" &&
eval signedcommit_${hash}_oid=$(git rev-parse HEAD)
'
test_expect_success GPG2 "create a $hash signed tag" '
git tag -s -m "This is a signed tag" signedtag HEAD &&
eval signedtag_${hash}_oid=$(git rev-parse signedtag)
'
test_expect_success "create a $hash branch" '
git checkout -b branch $(commit_oid $hash) &&
echo "More more more give me more!" > more &&
eval more_${hash}_oid=$(git hash-object more) &&
echo "Another and another and another" > another &&
eval another_${hash}_oid=$(git hash-object another) &&
git update-index --add more another &&
git commit -m "Add more files!" &&
eval commit2_${hash}_oid=$(git rev-parse HEAD) &&
eval tree2_${hash}_oid=$(git rev-parse HEAD^{tree})
'
test_expect_success GPG2 "create another $hash signed tag" '
git tag -s -m "This is another signed tag" signedtag2 $(commit2_oid $hash) &&
eval signedtag2_${hash}_oid=$(git rev-parse signedtag2)
'
test_expect_success GPG2 "merge the $hash branches together" '
git merge -S -m "merge some signed tags together" signedtag signedtag2 &&
eval signedcommit2_${hash}_oid=$(git rev-parse HEAD)
'
test_expect_success GPG2 "create additional $hash signed commits" '
git commit --gpg-sign --allow-empty -m "This is an additional signed commit" &&
git cat-file commit HEAD | del_sigcommit sha256 > "../${hash}_signedcommit3" &&
git cat-file commit HEAD | del_sigcommit sha1 > "../${hash}_signedcommit4" &&
eval signedcommit3_${hash}_oid=$(git hash-object -t commit -w ../${hash}_signedcommit3) &&
eval signedcommit4_${hash}_oid=$(git hash-object -t commit -w ../${hash}_signedcommit4)
'
test_expect_success GPG2 "create additional $hash signed tags" '
git tag -s -m "This is an additional signed tag" signedtag34 HEAD &&
git cat-file tag signedtag34 | del_sigtag "${hash}" sha256 > ../${hash}_signedtag3 &&
git cat-file tag signedtag34 | del_sigtag "${hash}" sha1 > ../${hash}_signedtag4 &&
eval signedtag3_${hash}_oid=$(git hash-object -t tag -w ../${hash}_signedtag3) &&
eval signedtag4_${hash}_oid=$(git hash-object -t tag -w ../${hash}_signedtag4)
'
done
cd "$base"
compare_oids () {
test "$#" = 5 && { local PREREQ="$1"; shift; } || PREREQ=
local type="$1"
local name="$2"
local sha1_oid="$3"
local sha256_oid="$4"
echo ${sha1_oid} > ${name}_sha1_expected
echo ${sha256_oid} > ${name}_sha256_expected
echo ${type} > ${name}_type_expected
git --git-dir=repo-sha1/.git rev-parse --output-object-format=sha256 ${sha1_oid} > ${name}_sha1_sha256_found
git --git-dir=repo-sha256/.git rev-parse --output-object-format=sha1 ${sha256_oid} > ${name}_sha256_sha1_found
local sha1_sha256_oid="$(cat ${name}_sha1_sha256_found)"
local sha256_sha1_oid="$(cat ${name}_sha256_sha1_found)"
test_expect_success $PREREQ "Verify ${type} ${name}'s sha1 oid" '
git --git-dir=repo-sha256/.git rev-parse --output-object-format=sha1 ${sha256_oid} > ${name}_sha1 &&
test_cmp ${name}_sha1 ${name}_sha1_expected
'
test_expect_success $PREREQ "Verify ${type} ${name}'s sha256 oid" '
git --git-dir=repo-sha1/.git rev-parse --output-object-format=sha256 ${sha1_oid} > ${name}_sha256 &&
test_cmp ${name}_sha256 ${name}_sha256_expected
'
test_expect_success $PREREQ "Verify ${name}'s sha1 type" '
git --git-dir=repo-sha1/.git cat-file -t ${sha1_oid} > ${name}_type1 &&
git --git-dir=repo-sha256/.git cat-file -t ${sha256_sha1_oid} > ${name}_type2 &&
test_cmp ${name}_type1 ${name}_type2 &&
test_cmp ${name}_type1 ${name}_type_expected
'
test_expect_success $PREREQ "Verify ${name}'s sha256 type" '
git --git-dir=repo-sha256/.git cat-file -t ${sha256_oid} > ${name}_type3 &&
git --git-dir=repo-sha1/.git cat-file -t ${sha1_sha256_oid} > ${name}_type4 &&
test_cmp ${name}_type3 ${name}_type4 &&
test_cmp ${name}_type3 ${name}_type_expected
'
test_expect_success $PREREQ "Verify ${name}'s sha1 size" '
git --git-dir=repo-sha1/.git cat-file -s ${sha1_oid} > ${name}_size1 &&
git --git-dir=repo-sha256/.git cat-file -s ${sha256_sha1_oid} > ${name}_size2 &&
test_cmp ${name}_size1 ${name}_size2
'
test_expect_success $PREREQ "Verify ${name}'s sha256 size" '
git --git-dir=repo-sha256/.git cat-file -s ${sha256_oid} > ${name}_size3 &&
git --git-dir=repo-sha1/.git cat-file -s ${sha1_sha256_oid} > ${name}_size4 &&
test_cmp ${name}_size3 ${name}_size4
'
test_expect_success $PREREQ "Verify ${name}'s sha1 pretty content" '
git --git-dir=repo-sha1/.git cat-file -p ${sha1_oid} > ${name}_content1 &&
git --git-dir=repo-sha256/.git cat-file -p ${sha256_sha1_oid} > ${name}_content2 &&
test_cmp ${name}_content1 ${name}_content2
'
test_expect_success $PREREQ "Verify ${name}'s sha256 pretty content" '
git --git-dir=repo-sha256/.git cat-file -p ${sha256_oid} > ${name}_content3 &&
git --git-dir=repo-sha1/.git cat-file -p ${sha1_sha256_oid} > ${name}_content4 &&
test_cmp ${name}_content3 ${name}_content4
'
test_expect_success $PREREQ "Verify ${name}'s sha1 content" '
git --git-dir=repo-sha1/.git cat-file ${type} ${sha1_oid} > ${name}_content5 &&
git --git-dir=repo-sha256/.git cat-file ${type} ${sha256_sha1_oid} > ${name}_content6 &&
test_cmp ${name}_content5 ${name}_content6
'
test_expect_success $PREREQ "Verify ${name}'s sha256 content" '
git --git-dir=repo-sha256/.git cat-file ${type} ${sha256_oid} > ${name}_content7 &&
git --git-dir=repo-sha1/.git cat-file ${type} ${sha1_sha256_oid} > ${name}_content8 &&
test_cmp ${name}_content7 ${name}_content8
'
}
compare_oids 'blob' hello "$hello_sha1_oid" "$hello_sha256_oid"
compare_oids 'tree' tree "$tree_sha1_oid" "$tree_sha256_oid"
compare_oids 'commit' commit "$commit_sha1_oid" "$commit_sha256_oid"
compare_oids GPG2 'commit' signedcommit "$signedcommit_sha1_oid" "$signedcommit_sha256_oid"
compare_oids 'tag' hellotag "$hellotag_sha1_oid" "$hellotag_sha256_oid"
compare_oids 'tag' treetag "$treetag_sha1_oid" "$treetag_sha256_oid"
compare_oids 'tag' committag "$committag_sha1_oid" "$committag_sha256_oid"
compare_oids GPG2 'tag' signedtag "$signedtag_sha1_oid" "$signedtag_sha256_oid"
compare_oids 'blob' more "$more_sha1_oid" "$more_sha256_oid"
compare_oids 'blob' another "$another_sha1_oid" "$another_sha256_oid"
compare_oids 'tree' tree2 "$tree2_sha1_oid" "$tree2_sha256_oid"
compare_oids 'commit' commit2 "$commit2_sha1_oid" "$commit2_sha256_oid"
compare_oids GPG2 'tag' signedtag2 "$signedtag2_sha1_oid" "$signedtag2_sha256_oid"
compare_oids GPG2 'commit' signedcommit2 "$signedcommit2_sha1_oid" "$signedcommit2_sha256_oid"
compare_oids GPG2 'commit' signedcommit3 "$signedcommit3_sha1_oid" "$signedcommit3_sha256_oid"
compare_oids GPG2 'commit' signedcommit4 "$signedcommit4_sha1_oid" "$signedcommit4_sha256_oid"
compare_oids GPG2 'tag' signedtag3 "$signedtag3_sha1_oid" "$signedtag3_sha256_oid"
compare_oids GPG2 'tag' signedtag4 "$signedtag4_sha1_oid" "$signedtag4_sha256_oid"
test_done
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