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git/t/t5558-clone-bundle-uri.sh

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#!/bin/sh
test_description='test fetching bundles with --bundle-uri'
. ./test-lib.sh
test_expect_success 'fail to clone from non-existent file' '
test_when_finished rm -rf test &&
git clone --bundle-uri="$(pwd)/does-not-exist" . test 2>err &&
grep "failed to download bundle from URI" err
'
test_expect_success 'fail to clone from non-bundle file' '
test_when_finished rm -rf test &&
echo bogus >bogus &&
git clone --bundle-uri="$(pwd)/bogus" . test 2>err &&
grep "is not a bundle" err
'
test_expect_success 'create bundle' '
git init clone-from &&
git -C clone-from checkout -b topic &&
test_commit -C clone-from A &&
test_commit -C clone-from B &&
git -C clone-from bundle create B.bundle topic
'
test_expect_success 'clone with path bundle' '
git clone --bundle-uri="clone-from/B.bundle" \
clone-from clone-path &&
git -C clone-path rev-parse refs/bundles/topic >actual &&
git -C clone-from rev-parse topic >expect &&
test_cmp expect actual
'
test_expect_success 'clone with path bundle and non-default hash' '
test_when_finished "rm -rf clone-path-non-default-hash" &&
GIT_DEFAULT_HASH=sha256 git clone --bundle-uri="clone-from/B.bundle" \
clone-from clone-path-non-default-hash &&
git -C clone-path-non-default-hash rev-parse refs/bundles/topic >actual &&
git -C clone-from rev-parse topic >expect &&
test_cmp expect actual
'
test_expect_success 'clone with file:// bundle' '
git clone --bundle-uri="file://$(pwd)/clone-from/B.bundle" \
clone-from clone-file &&
git -C clone-file rev-parse refs/bundles/topic >actual &&
git -C clone-from rev-parse topic >expect &&
test_cmp expect actual
'
# To get interesting tests for bundle lists, we need to construct a
# somewhat-interesting commit history.
#
# ---------------- bundle-4
#
# 4
# / \
# ----|---|------- bundle-3
# | |
# | 3
# | |
# ----|---|------- bundle-2
# | |
# 2 |
# | |
# ----|---|------- bundle-1
# \ /
# 1
# |
# (previous commits)
test_expect_success 'construct incremental bundle list' '
(
cd clone-from &&
git checkout -b base &&
test_commit 1 &&
git checkout -b left &&
test_commit 2 &&
git checkout -b right base &&
test_commit 3 &&
git checkout -b merge left &&
git merge right -m "4" &&
git bundle create bundle-1.bundle base &&
git bundle create bundle-2.bundle base..left &&
git bundle create bundle-3.bundle base..right &&
git bundle create bundle-4.bundle merge --not left right
)
'
test_expect_success 'clone bundle list (file, no heuristic)' '
cat >bundle-list <<-EOF &&
[bundle]
version = 1
mode = all
[bundle "bundle-1"]
uri = file://$(pwd)/clone-from/bundle-1.bundle
[bundle "bundle-2"]
uri = file://$(pwd)/clone-from/bundle-2.bundle
[bundle "bundle-3"]
uri = file://$(pwd)/clone-from/bundle-3.bundle
[bundle "bundle-4"]
uri = file://$(pwd)/clone-from/bundle-4.bundle
EOF
git clone --bundle-uri="file://$(pwd)/bundle-list" \
clone-from clone-list-file 2>err &&
! grep "Repository lacks these prerequisite commits" err &&
git -C clone-from for-each-ref --format="%(objectname)" >oids &&
git -C clone-list-file cat-file --batch-check <oids &&
git -C clone-list-file for-each-ref --format="%(refname)" >refs &&
grep "refs/bundles/" refs >actual &&
cat >expect <<-\EOF &&
refs/bundles/base
refs/bundles/left
refs/bundles/merge
refs/bundles/right
EOF
test_cmp expect actual
'
test_expect_success 'clone bundle list (file, all mode, some failures)' '
cat >bundle-list <<-EOF &&
[bundle]
version = 1
mode = all
# Does not exist. Should be skipped.
[bundle "bundle-0"]
uri = file://$(pwd)/clone-from/bundle-0.bundle
[bundle "bundle-1"]
uri = file://$(pwd)/clone-from/bundle-1.bundle
[bundle "bundle-2"]
uri = file://$(pwd)/clone-from/bundle-2.bundle
# No bundle-3 means bundle-4 will not apply.
[bundle "bundle-4"]
uri = file://$(pwd)/clone-from/bundle-4.bundle
# Does not exist. Should be skipped.
[bundle "bundle-5"]
uri = file://$(pwd)/clone-from/bundle-5.bundle
EOF
GIT_TRACE2_PERF=1 \
git clone --bundle-uri="file://$(pwd)/bundle-list" \
clone-from clone-all-some 2>err &&
! grep "Repository lacks these prerequisite commits" err &&
! grep "fatal" err &&
grep "warning: failed to download bundle from URI" err &&
git -C clone-from for-each-ref --format="%(objectname)" >oids &&
git -C clone-all-some cat-file --batch-check <oids &&
git -C clone-all-some for-each-ref --format="%(refname)" >refs &&
grep "refs/bundles/" refs >actual &&
cat >expect <<-\EOF &&
refs/bundles/base
refs/bundles/left
EOF
test_cmp expect actual
'
test_expect_success 'clone bundle list (file, all mode, all failures)' '
cat >bundle-list <<-EOF &&
[bundle]
version = 1
mode = all
# Does not exist. Should be skipped.
[bundle "bundle-0"]
uri = file://$(pwd)/clone-from/bundle-0.bundle
# Does not exist. Should be skipped.
[bundle "bundle-5"]
uri = file://$(pwd)/clone-from/bundle-5.bundle
EOF
git clone --bundle-uri="file://$(pwd)/bundle-list" \
clone-from clone-all-fail 2>err &&
! grep "Repository lacks these prerequisite commits" err &&
! grep "fatal" err &&
grep "warning: failed to download bundle from URI" err &&
git -C clone-from for-each-ref --format="%(objectname)" >oids &&
git -C clone-all-fail cat-file --batch-check <oids &&
git -C clone-all-fail for-each-ref --format="%(refname)" >refs &&
! grep "refs/bundles/" refs
'
test_expect_success 'clone bundle list (file, any mode)' '
cat >bundle-list <<-EOF &&
[bundle]
version = 1
mode = any
# Does not exist. Should be skipped.
[bundle "bundle-0"]
uri = file://$(pwd)/clone-from/bundle-0.bundle
[bundle "bundle-1"]
uri = file://$(pwd)/clone-from/bundle-1.bundle
# Does not exist. Should be skipped.
[bundle "bundle-5"]
uri = file://$(pwd)/clone-from/bundle-5.bundle
EOF
git clone --bundle-uri="file://$(pwd)/bundle-list" \
clone-from clone-any-file 2>err &&
! grep "Repository lacks these prerequisite commits" err &&
git -C clone-from for-each-ref --format="%(objectname)" >oids &&
git -C clone-any-file cat-file --batch-check <oids &&
git -C clone-any-file for-each-ref --format="%(refname)" >refs &&
grep "refs/bundles/" refs >actual &&
cat >expect <<-\EOF &&
refs/bundles/base
EOF
test_cmp expect actual
'
test_expect_success 'clone bundle list (file, any mode, all failures)' '
cat >bundle-list <<-EOF &&
[bundle]
version = 1
mode = any
# Does not exist. Should be skipped.
[bundle "bundle-0"]
uri = $HTTPD_URL/bundle-0.bundle
# Does not exist. Should be skipped.
[bundle "bundle-5"]
uri = $HTTPD_URL/bundle-5.bundle
EOF
git clone --bundle-uri="file://$(pwd)/bundle-list" \
clone-from clone-any-fail 2>err &&
! grep "fatal" err &&
grep "warning: failed to download bundle from URI" err &&
git -C clone-from for-each-ref --format="%(objectname)" >oids &&
git -C clone-any-fail cat-file --batch-check <oids &&
git -C clone-any-fail for-each-ref --format="%(refname)" >refs &&
! grep "refs/bundles/" refs
'
#########################################################################
# HTTP tests begin here
. "$TEST_DIRECTORY"/lib-httpd.sh
start_httpd
test_expect_success 'fail to fetch from non-existent HTTP URL' '
test_when_finished rm -rf test &&
git clone --bundle-uri="$HTTPD_URL/does-not-exist" . test 2>err &&
grep "failed to download bundle from URI" err
'
test_expect_success 'fail to fetch from non-bundle HTTP URL' '
test_when_finished rm -rf test &&
echo bogus >"$HTTPD_DOCUMENT_ROOT_PATH/bogus" &&
git clone --bundle-uri="$HTTPD_URL/bogus" . test 2>err &&
grep "is not a bundle" err
'
test_expect_success 'clone HTTP bundle' '
cp clone-from/B.bundle "$HTTPD_DOCUMENT_ROOT_PATH/B.bundle" &&
git clone --no-local --mirror clone-from \
"$HTTPD_DOCUMENT_ROOT_PATH/fetch.git" &&
git clone --bundle-uri="$HTTPD_URL/B.bundle" \
"$HTTPD_URL/smart/fetch.git" clone-http &&
git -C clone-http rev-parse refs/bundles/topic >actual &&
git -C clone-from rev-parse topic >expect &&
test_cmp expect actual &&
test_config -C clone-http log.excludedecoration refs/bundle/
'
test_expect_success 'clone HTTP bundle with non-default hash' '
test_when_finished "rm -rf clone-http-non-default-hash" &&
GIT_DEFAULT_HASH=sha256 git clone --bundle-uri="$HTTPD_URL/B.bundle" \
"$HTTPD_URL/smart/fetch.git" clone-http-non-default-hash &&
git -C clone-http-non-default-hash rev-parse refs/bundles/topic >actual &&
git -C clone-from rev-parse topic >expect &&
test_cmp expect actual
'
test_expect_success 'clone bundle list (HTTP, no heuristic)' '
test_when_finished rm -f trace*.txt &&
cp clone-from/bundle-*.bundle "$HTTPD_DOCUMENT_ROOT_PATH/" &&
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
[bundle "bundle-1"]
uri = $HTTPD_URL/bundle-1.bundle
[bundle "bundle-2"]
uri = $HTTPD_URL/bundle-2.bundle
[bundle "bundle-3"]
uri = $HTTPD_URL/bundle-3.bundle
[bundle "bundle-4"]
uri = $HTTPD_URL/bundle-4.bundle
EOF
GIT_TRACE2_EVENT="$(pwd)/trace-clone.txt" \
git clone --bundle-uri="$HTTPD_URL/bundle-list" \
clone-from clone-list-http 2>err &&
! grep "Repository lacks these prerequisite commits" err &&
git -C clone-from for-each-ref --format="%(objectname)" >oids &&
git -C clone-list-http cat-file --batch-check <oids &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-1.bundle
$HTTPD_URL/bundle-2.bundle
$HTTPD_URL/bundle-3.bundle
$HTTPD_URL/bundle-4.bundle
$HTTPD_URL/bundle-list
EOF
# Sort the list, since the order is not well-defined
# without a heuristic.
test_remote_https_urls <trace-clone.txt | sort >actual &&
test_cmp expect actual
'
test_expect_success 'clone bundle list (HTTP, any mode)' '
cp clone-from/bundle-*.bundle "$HTTPD_DOCUMENT_ROOT_PATH/" &&
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = any
# Does not exist. Should be skipped.
[bundle "bundle-0"]
uri = $HTTPD_URL/bundle-0.bundle
[bundle "bundle-1"]
uri = $HTTPD_URL/bundle-1.bundle
# Does not exist. Should be skipped.
[bundle "bundle-5"]
uri = $HTTPD_URL/bundle-5.bundle
EOF
git clone --bundle-uri="$HTTPD_URL/bundle-list" \
clone-from clone-any-http 2>err &&
! grep "fatal" err &&
grep "warning: failed to download bundle from URI" err &&
git -C clone-from for-each-ref --format="%(objectname)" >oids &&
git -C clone-any-http cat-file --batch-check <oids &&
git -C clone-list-file for-each-ref --format="%(refname)" >refs &&
grep "refs/bundles/" refs >actual &&
cat >expect <<-\EOF &&
refs/bundles/base
refs/bundles/left
refs/bundles/merge
refs/bundles/right
EOF
test_cmp expect actual
'
test_expect_success 'clone bundle list (http, creationToken)' '
test_when_finished rm -f trace*.txt &&
cp clone-from/bundle-*.bundle "$HTTPD_DOCUMENT_ROOT_PATH/" &&
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = bundle-4.bundle
creationToken = 4
EOF
GIT_TRACE2_EVENT="$(pwd)/trace-clone.txt" git \
clone --bundle-uri="$HTTPD_URL/bundle-list" \
"$HTTPD_URL/smart/fetch.git" clone-list-http-2 &&
git -C clone-from for-each-ref --format="%(objectname)" >oids &&
git -C clone-list-http-2 cat-file --batch-check <oids &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-4.bundle
$HTTPD_URL/bundle-3.bundle
$HTTPD_URL/bundle-2.bundle
$HTTPD_URL/bundle-1.bundle
EOF
test_remote_https_urls <trace-clone.txt >actual &&
test_cmp expect actual
'
test_expect_success 'clone incomplete bundle list (http, creationToken)' '
test_when_finished rm -f trace*.txt &&
cp clone-from/bundle-*.bundle "$HTTPD_DOCUMENT_ROOT_PATH/" &&
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
EOF
GIT_TRACE2_EVENT=$(pwd)/trace-clone.txt \
git clone --bundle-uri="$HTTPD_URL/bundle-list" \
--single-branch --branch=base --no-tags \
"$HTTPD_URL/smart/fetch.git" clone-token-http &&
test_cmp_config -C clone-token-http "$HTTPD_URL/bundle-list" fetch.bundleuri &&
test_cmp_config -C clone-token-http 1 fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-1.bundle
EOF
test_remote_https_urls <trace-clone.txt >actual &&
test_cmp expect actual &&
# We now have only one bundle ref.
git -C clone-token-http for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-\EOF &&
refs/bundles/base
EOF
test_cmp expect refs &&
# Add remaining bundles, exercising the "deepening" strategy
# for downloading via the creationToken heurisitc.
cat >>"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = bundle-4.bundle
creationToken = 4
EOF
GIT_TRACE2_EVENT="$(pwd)/trace1.txt" \
git -C clone-token-http fetch origin --no-tags \
refs/heads/merge:refs/heads/merge &&
test_cmp_config -C clone-token-http 4 fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-4.bundle
$HTTPD_URL/bundle-3.bundle
$HTTPD_URL/bundle-2.bundle
EOF
test_remote_https_urls <trace1.txt >actual &&
test_cmp expect actual &&
# We now have all bundle refs.
git -C clone-token-http for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-\EOF &&
refs/bundles/base
refs/bundles/left
refs/bundles/merge
refs/bundles/right
EOF
test_cmp expect refs
'
test_expect_success 'http clone with bundle.heuristic creates fetch.bundleURI' '
test_when_finished rm -rf fetch-http-4 trace*.txt &&
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
EOF
GIT_TRACE2_EVENT="$(pwd)/trace-clone.txt" \
git clone --single-branch --branch=base \
--bundle-uri="$HTTPD_URL/bundle-list" \
"$HTTPD_URL/smart/fetch.git" fetch-http-4 &&
test_cmp_config -C fetch-http-4 "$HTTPD_URL/bundle-list" fetch.bundleuri &&
test_cmp_config -C fetch-http-4 1 fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-1.bundle
EOF
test_remote_https_urls <trace-clone.txt >actual &&
test_cmp expect actual &&
# only received base ref from bundle-1
git -C fetch-http-4 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-\EOF &&
refs/bundles/base
EOF
test_cmp expect refs &&
cat >>"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
EOF
# Fetch the objects for bundle-2 _and_ bundle-3.
GIT_TRACE2_EVENT="$(pwd)/trace1.txt" \
git -C fetch-http-4 fetch origin --no-tags \
refs/heads/left:refs/heads/left \
refs/heads/right:refs/heads/right &&
test_cmp_config -C fetch-http-4 2 fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-2.bundle
EOF
test_remote_https_urls <trace1.txt >actual &&
test_cmp expect actual &&
# received left from bundle-2
git -C fetch-http-4 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-\EOF &&
refs/bundles/base
refs/bundles/left
EOF
test_cmp expect refs &&
# No-op fetch
GIT_TRACE2_EVENT="$(pwd)/trace1b.txt" \
git -C fetch-http-4 fetch origin --no-tags \
refs/heads/left:refs/heads/left \
refs/heads/right:refs/heads/right &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
EOF
test_remote_https_urls <trace1b.txt >actual &&
test_cmp expect actual &&
cat >>"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = bundle-4.bundle
creationToken = 4
EOF
# This fetch should skip bundle-3.bundle, since its objects are
# already local (we have the requisite commits for bundle-4.bundle).
GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \
git -C fetch-http-4 fetch origin --no-tags \
refs/heads/merge:refs/heads/merge &&
test_cmp_config -C fetch-http-4 4 fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-4.bundle
EOF
test_remote_https_urls <trace2.txt >actual &&
test_cmp expect actual &&
# received merge ref from bundle-4, but right is missing
# because we did not download bundle-3.
git -C fetch-http-4 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-\EOF &&
refs/bundles/base
refs/bundles/left
refs/bundles/merge
EOF
test_cmp expect refs &&
# No-op fetch
GIT_TRACE2_EVENT="$(pwd)/trace2b.txt" \
git -C fetch-http-4 fetch origin &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
EOF
test_remote_https_urls <trace2b.txt >actual &&
test_cmp expect actual
'
test_expect_success 'creationToken heuristic with failed downloads (clone)' '
test_when_finished rm -rf download-* trace*.txt &&
# Case 1: base bundle does not exist, nothing can unbundle
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = fake.bundle
creationToken = 1
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = bundle-4.bundle
creationToken = 4
EOF
GIT_TRACE2_EVENT="$(pwd)/trace-clone-1.txt" \
git clone --single-branch --branch=base \
--bundle-uri="$HTTPD_URL/bundle-list" \
"$HTTPD_URL/smart/fetch.git" download-1 &&
# Bundle failure does not set these configs.
test_must_fail git -C download-1 config fetch.bundleuri &&
test_must_fail git -C download-1 config fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-4.bundle
$HTTPD_URL/bundle-3.bundle
$HTTPD_URL/bundle-2.bundle
$HTTPD_URL/fake.bundle
EOF
test_remote_https_urls <trace-clone-1.txt >actual &&
test_cmp expect actual &&
# All bundles failed to unbundle
git -C download-1 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
test_must_be_empty refs &&
# Case 2: middle bundle does not exist, only two bundles can unbundle
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
[bundle "bundle-2"]
uri = fake.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = bundle-4.bundle
creationToken = 4
EOF
GIT_TRACE2_EVENT="$(pwd)/trace-clone-2.txt" \
git clone --single-branch --branch=base \
--bundle-uri="$HTTPD_URL/bundle-list" \
"$HTTPD_URL/smart/fetch.git" download-2 &&
# Bundle failure does not set these configs.
test_must_fail git -C download-2 config fetch.bundleuri &&
test_must_fail git -C download-2 config fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-4.bundle
$HTTPD_URL/bundle-3.bundle
$HTTPD_URL/fake.bundle
$HTTPD_URL/bundle-1.bundle
EOF
test_remote_https_urls <trace-clone-2.txt >actual &&
test_cmp expect actual &&
# bundle-1 and bundle-3 could unbundle, but bundle-4 could not
git -C download-2 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-EOF &&
refs/bundles/base
refs/bundles/right
EOF
test_cmp expect refs &&
# Case 3: top bundle does not exist, rest unbundle fine.
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = fake.bundle
creationToken = 4
EOF
GIT_TRACE2_EVENT="$(pwd)/trace-clone-3.txt" \
git clone --single-branch --branch=base \
--bundle-uri="$HTTPD_URL/bundle-list" \
"$HTTPD_URL/smart/fetch.git" download-3 &&
# As long as we have continguous successful downloads,
# we _do_ set these configs.
test_cmp_config -C download-3 "$HTTPD_URL/bundle-list" fetch.bundleuri &&
test_cmp_config -C download-3 3 fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/fake.bundle
$HTTPD_URL/bundle-3.bundle
$HTTPD_URL/bundle-2.bundle
$HTTPD_URL/bundle-1.bundle
EOF
test_remote_https_urls <trace-clone-3.txt >actual &&
test_cmp expect actual &&
# fake.bundle did not unbundle, but the others did.
git -C download-3 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-EOF &&
refs/bundles/base
refs/bundles/left
refs/bundles/right
EOF
test_cmp expect refs
'
# Expand the bundle list to include other interesting shapes, specifically
# interesting for use when fetching from a previous state.
#
# ---------------- bundle-7
# 7
# _/|\_
# ---/--|--\------ bundle-6
# 5 | 6
# --|---|---|----- bundle-4
# | 4 |
# | / \ /
# --|-|---|/------ bundle-3 (the client will be caught up to this point.)
# \ | 3
# ---\|---|------- bundle-2
# 2 |
# ----|---|------- bundle-1
# \ /
# 1
# |
# (previous commits)
test_expect_success 'expand incremental bundle list' '
(
cd clone-from &&
git checkout -b lefter left &&
test_commit 5 &&
git checkout -b righter right &&
test_commit 6 &&
git checkout -b top lefter &&
git merge -m "7" merge righter &&
git bundle create bundle-6.bundle lefter righter --not left right &&
git bundle create bundle-7.bundle top --not lefter merge righter &&
cp bundle-*.bundle "$HTTPD_DOCUMENT_ROOT_PATH/"
) &&
git -C "$HTTPD_DOCUMENT_ROOT_PATH/fetch.git" fetch origin +refs/heads/*:refs/heads/*
'
test_expect_success 'creationToken heuristic with failed downloads (fetch)' '
test_when_finished rm -rf download-* trace*.txt &&
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
EOF
git clone --single-branch --branch=left \
--bundle-uri="$HTTPD_URL/bundle-list" \
"$HTTPD_URL/smart/fetch.git" fetch-base &&
test_cmp_config -C fetch-base "$HTTPD_URL/bundle-list" fetch.bundleURI &&
test_cmp_config -C fetch-base 3 fetch.bundleCreationToken &&
# Case 1: all bundles exist: successful unbundling of all bundles
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = bundle-4.bundle
creationToken = 4
[bundle "bundle-6"]
uri = bundle-6.bundle
creationToken = 6
[bundle "bundle-7"]
uri = bundle-7.bundle
creationToken = 7
EOF
cp -r fetch-base fetch-1 &&
GIT_TRACE2_EVENT="$(pwd)/trace-fetch-1.txt" \
git -C fetch-1 fetch origin &&
test_cmp_config -C fetch-1 7 fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-7.bundle
$HTTPD_URL/bundle-6.bundle
$HTTPD_URL/bundle-4.bundle
EOF
test_remote_https_urls <trace-fetch-1.txt >actual &&
test_cmp expect actual &&
# Check which bundles have unbundled by refs
git -C fetch-1 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-EOF &&
refs/bundles/base
refs/bundles/left
refs/bundles/lefter
refs/bundles/merge
refs/bundles/right
refs/bundles/righter
refs/bundles/top
EOF
test_cmp expect refs &&
# Case 2: middle bundle does not exist, only bundle-4 can unbundle
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = bundle-4.bundle
creationToken = 4
[bundle "bundle-6"]
uri = fake.bundle
creationToken = 6
[bundle "bundle-7"]
uri = bundle-7.bundle
creationToken = 7
EOF
cp -r fetch-base fetch-2 &&
GIT_TRACE2_EVENT="$(pwd)/trace-fetch-2.txt" \
git -C fetch-2 fetch origin &&
# Since bundle-7 fails to unbundle, do not update creation token.
test_cmp_config -C fetch-2 3 fetch.bundlecreationtoken &&
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/bundle-7.bundle
$HTTPD_URL/fake.bundle
$HTTPD_URL/bundle-4.bundle
EOF
test_remote_https_urls <trace-fetch-2.txt >actual &&
test_cmp expect actual &&
# Check which bundles have unbundled by refs
git -C fetch-2 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-EOF &&
refs/bundles/base
refs/bundles/left
refs/bundles/merge
refs/bundles/right
EOF
test_cmp expect refs &&
# Case 3: top bundle does not exist, rest unbundle fine.
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
[bundle "bundle-4"]
uri = bundle-4.bundle
creationToken = 4
[bundle "bundle-6"]
uri = bundle-6.bundle
creationToken = 6
[bundle "bundle-7"]
uri = fake.bundle
creationToken = 7
EOF
cp -r fetch-base fetch-3 &&
GIT_TRACE2_EVENT="$(pwd)/trace-fetch-3.txt" \
git -C fetch-3 fetch origin &&
# As long as we have continguous successful downloads,
# we _do_ set the maximum creation token.
test_cmp_config -C fetch-3 6 fetch.bundlecreationtoken &&
# NOTE: the fetch skips bundle-4 since bundle-6 successfully
# unbundles itself and bundle-7 failed to download.
cat >expect <<-EOF &&
$HTTPD_URL/bundle-list
$HTTPD_URL/fake.bundle
$HTTPD_URL/bundle-6.bundle
EOF
test_remote_https_urls <trace-fetch-3.txt >actual &&
test_cmp expect actual &&
# Check which bundles have unbundled by refs
git -C fetch-3 for-each-ref --format="%(refname)" "refs/bundles/*" >refs &&
cat >expect <<-EOF &&
refs/bundles/base
refs/bundles/left
refs/bundles/lefter
refs/bundles/right
refs/bundles/righter
EOF
test_cmp expect refs
'
test_expect_success 'bundles are downloaded once during fetch --all' '
test_when_finished rm -rf download-* trace*.txt fetch-mult &&
cat >"$HTTPD_DOCUMENT_ROOT_PATH/bundle-list" <<-EOF &&
[bundle]
version = 1
mode = all
heuristic = creationToken
[bundle "bundle-1"]
uri = bundle-1.bundle
creationToken = 1
[bundle "bundle-2"]
uri = bundle-2.bundle
creationToken = 2
[bundle "bundle-3"]
uri = bundle-3.bundle
creationToken = 3
EOF
git clone --single-branch --branch=left \
--bundle-uri="$HTTPD_URL/bundle-list" \
"$HTTPD_URL/smart/fetch.git" fetch-mult &&
git -C fetch-mult remote add dup1 "$HTTPD_URL/smart/fetch.git" &&
git -C fetch-mult remote add dup2 "$HTTPD_URL/smart/fetch.git" &&
GIT_TRACE2_EVENT="$(pwd)/trace-mult.txt" \
git -C fetch-mult fetch --all &&
grep "\"child_start\".*\"git-remote-https\",\"$HTTPD_URL/bundle-list\"" \
trace-mult.txt >bundle-fetches &&
test_line_count = 1 bundle-fetches
'
# Do not add tests here unless they use the HTTP server, as they will
# not run unless the HTTP dependencies exist.
test_done
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