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git-commit-vandalism/t/t5500-fetch-pack.sh
Josh Steadmon a29263cf5f fetch-pack: add tracing for negotiation rounds 
Currently, negotiation for V0/V1/V2 fetch have trace2 regions covering
the entire negotiation process. However, we'd like additional data, such
as timing for each round of negotiation or the number of "haves" in each
round. Additionally, "independent negotiation" (AKA push negotiation)
has no tracing at all. Having this data would allow us to compare the
performance of the various negotation implementations, and to debug
unexpectedly slow fetch & push sessions.

Add per-round trace2 regions for all negotiation implementations (V0+V1,
V2, and independent negotiation), as well as an overall region for
independent negotiation. Add trace2 data logging for the number of haves
and "in vain" objects for each round, and for the total number of rounds
once negotiation completes.  Finally, add a few checks into various
tests to verify that the number of rounds is logged as expected.

Signed-off-by: Josh Steadmon <steadmon@google.com>
Acked-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-15 09:17:03 -07:00

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#!/bin/sh
#
# Copyright (c) 2005 Johannes Schindelin
#
test_description='Testing multi_ack pack fetching'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
# Test fetch-pack/upload-pack pair.
# Some convenience functions
add () {
name=$1 &&
text="$@" &&
branch=$(echo $name | sed -e 's/^\(.\).*$/\1/') &&
parents="" &&
shift &&
while test $1; do
parents="$parents -p $1" &&
shift
done &&
echo "$text" > test.txt &&
git update-index --add test.txt &&
tree=$(git write-tree) &&
# make sure timestamps are in correct order
test_tick &&
commit=$(echo "$text" | git commit-tree $tree $parents) &&
eval "$name=$commit; export $name" &&
git update-ref "refs/heads/$branch" "$commit" &&
eval ${branch}TIP=$commit
}
pull_to_client () {
number=$1 &&
heads=$2 &&
count=$3 &&
test_expect_success "$number pull" '
(
cd client &&
git fetch-pack -k -v .. $heads &&
case "$heads" in
*A*)
git update-ref refs/heads/A "$ATIP";;
esac &&
case "$heads" in *B*)
git update-ref refs/heads/B "$BTIP";;
esac &&
git symbolic-ref HEAD refs/heads/$(
echo $heads |
sed -e "s/^\(.\).*$/\1/"
) &&
git fsck --full &&
mv .git/objects/pack/pack-* . &&
p=$(ls -1 pack-*.pack) &&
git unpack-objects <$p &&
git fsck --full &&
idx=$(echo pack-*.idx) &&
pack_count=$(git show-index <$idx | wc -l) &&
test $pack_count = $count &&
rm -f pack-*
)
'
}
# Here begins the actual testing
# A1 - ... - A20 - A21
# \
# B1 - B2 - .. - B70
# client pulls A20, B1. Then tracks only B. Then pulls A.
test_expect_success 'setup' '
mkdir client &&
(
cd client &&
git init &&
git config transfer.unpacklimit 0
) &&
add A1 &&
prev=1 &&
cur=2 &&
while [ $cur -le 10 ]; do
add A$cur $(eval echo \$A$prev) &&
prev=$cur &&
cur=$(($cur+1)) || return 1
done &&
add B1 $A1 &&
git update-ref refs/heads/A "$ATIP" &&
git update-ref refs/heads/B "$BTIP" &&
git symbolic-ref HEAD refs/heads/B
'
pull_to_client 1st "refs/heads/B refs/heads/A" $((11*3))
test_expect_success 'post 1st pull setup' '
add A11 $A10 &&
prev=1 &&
cur=2 &&
while [ $cur -le 65 ]; do
add B$cur $(eval echo \$B$prev) &&
prev=$cur &&
cur=$(($cur+1)) || return 1
done
'
pull_to_client 2nd "refs/heads/B" $((64*3))
pull_to_client 3rd "refs/heads/A" $((1*3))
test_expect_success 'single branch clone' '
git clone --single-branch "file://$(pwd)/." singlebranch
'
test_expect_success 'single branch object count' '
GIT_DIR=singlebranch/.git git count-objects -v |
grep "^in-pack:" > count.singlebranch &&
echo "in-pack: 198" >expected &&
test_cmp expected count.singlebranch
'
test_expect_success 'single given branch clone' '
git clone --single-branch --branch A "file://$(pwd)/." branch-a &&
test_must_fail git --git-dir=branch-a/.git rev-parse origin/B
'
test_expect_success 'clone shallow depth 1' '
git clone --no-single-branch --depth 1 "file://$(pwd)/." shallow0 &&
test "$(git --git-dir=shallow0/.git rev-list --count HEAD)" = 1
'
test_expect_success 'clone shallow depth 1 with fsck' '
git config --global fetch.fsckobjects true &&
git clone --no-single-branch --depth 1 "file://$(pwd)/." shallow0fsck &&
test "$(git --git-dir=shallow0fsck/.git rev-list --count HEAD)" = 1 &&
git config --global --unset fetch.fsckobjects
'
test_expect_success 'clone shallow' '
git clone --no-single-branch --depth 2 "file://$(pwd)/." shallow
'
test_expect_success 'clone shallow depth count' '
test "$(git --git-dir=shallow/.git rev-list --count HEAD)" = 2
'
test_expect_success 'clone shallow object count' '
(
cd shallow &&
git count-objects -v
) > count.shallow &&
grep "^in-pack: 12" count.shallow
'
test_expect_success 'clone shallow object count (part 2)' '
sed -e "/^in-pack:/d" -e "/^packs:/d" -e "/^size-pack:/d" \
-e "/: 0$/d" count.shallow > count_output &&
test_must_be_empty count_output
'
test_expect_success 'fsck in shallow repo' '
(
cd shallow &&
git fsck --full
)
'
test_expect_success 'simple fetch in shallow repo' '
(
cd shallow &&
git fetch
)
'
test_expect_success 'no changes expected' '
(
cd shallow &&
git count-objects -v
) > count.shallow.2 &&
cmp count.shallow count.shallow.2
'
test_expect_success 'fetch same depth in shallow repo' '
(
cd shallow &&
git fetch --depth=2
)
'
test_expect_success 'no changes expected' '
(
cd shallow &&
git count-objects -v
) > count.shallow.3 &&
cmp count.shallow count.shallow.3
'
test_expect_success 'add two more' '
add B66 $B65 &&
add B67 $B66
'
test_expect_success 'pull in shallow repo' '
(
cd shallow &&
git pull .. B
)
'
test_expect_success 'clone shallow object count' '
(
cd shallow &&
git count-objects -v
) > count.shallow &&
grep "^count: 6" count.shallow
'
test_expect_success 'add two more (part 2)' '
add B68 $B67 &&
add B69 $B68
'
test_expect_success 'deepening pull in shallow repo' '
(
cd shallow &&
git pull --depth 4 .. B
)
'
test_expect_success 'clone shallow object count' '
(
cd shallow &&
git count-objects -v
) > count.shallow &&
grep "^count: 12" count.shallow
'
test_expect_success 'deepening fetch in shallow repo' '
(
cd shallow &&
git fetch --depth 4 .. A:A
)
'
test_expect_success 'clone shallow object count' '
(
cd shallow &&
git count-objects -v
) > count.shallow &&
grep "^count: 18" count.shallow
'
test_expect_success 'pull in shallow repo with missing merge base' '
(
cd shallow &&
git fetch --depth 4 .. A &&
test_must_fail git merge --allow-unrelated-histories FETCH_HEAD
)
'
test_expect_success 'additional simple shallow deepenings' '
(
cd shallow &&
git fetch --depth=8 &&
git fetch --depth=10 &&
git fetch --depth=11
)
'
test_expect_success 'clone shallow depth count' '
test "$(git --git-dir=shallow/.git rev-list --count HEAD)" = 11
'
test_expect_success 'clone shallow object count' '
(
cd shallow &&
git prune &&
git count-objects -v
) > count.shallow &&
grep "^count: 54" count.shallow
'
test_expect_success 'fetch --no-shallow on full repo' '
test_must_fail git fetch --noshallow
'
test_expect_success 'fetch --depth --no-shallow' '
(
cd shallow &&
test_must_fail git fetch --depth=1 --noshallow
)
'
test_expect_success 'turn shallow to complete repository' '
(
cd shallow &&
git fetch --unshallow &&
! test -f .git/shallow &&
git fsck --full
)
'
test_expect_success 'clone shallow without --no-single-branch' '
git clone --depth 1 "file://$(pwd)/." shallow2
'
test_expect_success 'clone shallow object count' '
(
cd shallow2 &&
git count-objects -v
) > count.shallow2 &&
grep "^in-pack: 3" count.shallow2
'
test_expect_success 'clone shallow with --branch' '
git clone --depth 1 --branch A "file://$(pwd)/." shallow3
'
test_expect_success 'clone shallow object count' '
echo "in-pack: 3" > count3.expected &&
GIT_DIR=shallow3/.git git count-objects -v |
grep "^in-pack" > count3.actual &&
test_cmp count3.expected count3.actual
'
test_expect_success 'clone shallow with detached HEAD' '
git checkout HEAD^ &&
git clone --depth 1 "file://$(pwd)/." shallow5 &&
git checkout - &&
GIT_DIR=shallow5/.git git rev-parse HEAD >actual &&
git rev-parse HEAD^ >expected &&
test_cmp expected actual
'
test_expect_success 'shallow clone pulling tags' '
git tag -a -m A TAGA1 A &&
git tag -a -m B TAGB1 B &&
git tag TAGA2 A &&
git tag TAGB2 B &&
git clone --depth 1 "file://$(pwd)/." shallow6 &&
cat >taglist.expected <<\EOF &&
TAGB1
TAGB2
EOF
GIT_DIR=shallow6/.git git tag -l >taglist.actual &&
test_cmp taglist.expected taglist.actual &&
echo "in-pack: 4" > count6.expected &&
GIT_DIR=shallow6/.git git count-objects -v |
grep "^in-pack" > count6.actual &&
test_cmp count6.expected count6.actual
'
test_expect_success 'shallow cloning single tag' '
git clone --depth 1 --branch=TAGB1 "file://$(pwd)/." shallow7 &&
cat >taglist.expected <<\EOF &&
TAGB1
TAGB2
EOF
GIT_DIR=shallow7/.git git tag -l >taglist.actual &&
test_cmp taglist.expected taglist.actual &&
echo "in-pack: 4" > count7.expected &&
GIT_DIR=shallow7/.git git count-objects -v |
grep "^in-pack" > count7.actual &&
test_cmp count7.expected count7.actual
'
test_expect_success 'clone shallow with packed refs' '
git pack-refs --all &&
git clone --depth 1 --branch A "file://$(pwd)/." shallow8 &&
echo "in-pack: 4" > count8.expected &&
GIT_DIR=shallow8/.git git count-objects -v |
grep "^in-pack" > count8.actual &&
test_cmp count8.expected count8.actual
'
test_expect_success 'in_vain not triggered before first ACK' '
rm -rf myserver myclient &&
git init myserver &&
test_commit -C myserver foo &&
git clone "file://$(pwd)/myserver" myclient &&
# MAX_IN_VAIN is 256. Because of batching, the client will send 496
# (16+32+64+128+256) commits, not 256, before giving up. So create 496
# irrelevant commits.
test_commit_bulk -C myclient 496 &&
# The new commit that the client wants to fetch.
test_commit -C myserver bar &&
git -C myclient fetch --progress origin 2>log &&
test_i18ngrep "remote: Total 3 " log
'
test_expect_success 'in_vain resetted upon ACK' '
test_when_finished rm -f log trace2 &&
rm -rf myserver myclient &&
git init myserver &&
# Linked list of commits on main. The first is common; the rest are
# not.
test_commit -C myserver first_main_commit &&
git clone "file://$(pwd)/myserver" myclient &&
test_commit_bulk -C myclient 255 &&
# Another linked list of commits on anotherbranch with no connection to
# main. The first is common; the rest are not.
git -C myserver checkout --orphan anotherbranch &&
test_commit -C myserver first_anotherbranch_commit &&
git -C myclient fetch origin anotherbranch:refs/heads/anotherbranch &&
git -C myclient checkout anotherbranch &&
test_commit_bulk -C myclient 255 &&
# The new commit that the client wants to fetch.
git -C myserver checkout main &&
test_commit -C myserver to_fetch &&
# The client will send (as "have"s) all 256 commits in anotherbranch
# first. The 256th commit is common between the client and the server,
# and should reset in_vain. This allows negotiation to continue until
# the client reports that first_anotherbranch_commit is common.
GIT_TRACE2_EVENT="$(pwd)/trace2" git -C myclient fetch --progress origin main 2>log &&
grep \"key\":\"total_rounds\",\"value\":\"6\" trace2 &&
test_i18ngrep "Total 3 " log
'
test_expect_success 'fetch in shallow repo unreachable shallow objects' '
(
git clone --bare --branch B --single-branch "file://$(pwd)/." no-reflog &&
git clone --depth 1 "file://$(pwd)/no-reflog" shallow9 &&
cd no-reflog &&
git tag -d TAGB1 TAGB2 &&
git update-ref refs/heads/B B~~ &&
git gc --prune=now &&
cd ../shallow9 &&
git fetch origin &&
git fsck --no-dangling
)
'
test_expect_success 'fetch creating new shallow root' '
(
git clone "file://$(pwd)/." shallow10 &&
git commit --allow-empty -m empty &&
cd shallow10 &&
git fetch --depth=1 --progress 2>actual &&
# This should fetch only the empty commit, no tree or
# blob objects
test_i18ngrep "remote: Total 1" actual
)
'
test_expect_success 'setup tests for the --stdin parameter' '
for head in C D E F
do
add $head || return 1
done &&
for head in A B C D E F
do
git tag $head $head || return 1
done &&
cat >input <<-\EOF &&
refs/heads/C
refs/heads/A
refs/heads/D
refs/tags/C
refs/heads/B
refs/tags/A
refs/heads/E
refs/tags/B
refs/tags/E
refs/tags/D
EOF
sort <input >expect &&
(
echo refs/heads/E &&
echo refs/tags/E &&
cat input
) >input.dup
'
test_expect_success 'setup fetch refs from cmdline v[12]' '
cp -r client client0 &&
cp -r client client1 &&
cp -r client client2
'
for version in '' 0 1 2
do
test_expect_success "protocol.version=$version fetch refs from cmdline" "
(
cd client$version &&
GIT_TEST_PROTOCOL_VERSION=$version git fetch-pack --no-progress .. \$(cat ../input)
) >output &&
cut -d ' ' -f 2 <output | sort >actual &&
test_cmp expect actual
"
done
test_expect_success 'fetch refs from stdin' '
(
cd client &&
git fetch-pack --stdin --no-progress .. <../input
) >output &&
cut -d " " -f 2 <output | sort >actual &&
test_cmp expect actual
'
test_expect_success 'fetch mixed refs from cmdline and stdin' '
(
cd client &&
tail -n +5 ../input |
git fetch-pack --stdin --no-progress .. $(head -n 4 ../input)
) >output &&
cut -d " " -f 2 <output | sort >actual &&
test_cmp expect actual
'
test_expect_success 'test duplicate refs from stdin' '
(
cd client &&
git fetch-pack --stdin --no-progress .. <../input.dup
) >output &&
cut -d " " -f 2 <output | sort >actual &&
test_cmp expect actual
'
test_expect_success 'set up tests of missing reference' '
cat >expect-error <<-\EOF
error: no such remote ref refs/heads/xyzzy
EOF
'
test_expect_success 'test lonely missing ref' '
(
cd client &&
test_must_fail git fetch-pack --no-progress .. refs/heads/xyzzy 2>../error-m
) &&
test_cmp expect-error error-m
'
test_expect_success 'test missing ref after existing' '
(
cd client &&
test_must_fail git fetch-pack --no-progress .. refs/heads/A refs/heads/xyzzy 2>../error-em
) &&
test_cmp expect-error error-em
'
test_expect_success 'test missing ref before existing' '
(
cd client &&
test_must_fail git fetch-pack --no-progress .. refs/heads/xyzzy refs/heads/A 2>../error-me
) &&
test_cmp expect-error error-me
'
test_expect_success 'test --all, --depth, and explicit head' '
(
cd client &&
git fetch-pack --no-progress --all --depth=1 .. refs/heads/A
) >out-adh 2>error-adh
'
test_expect_success 'test --all, --depth, and explicit tag' '
git tag OLDTAG refs/heads/B~5 &&
(
cd client &&
git fetch-pack --no-progress --all --depth=1 .. refs/tags/OLDTAG
) >out-adt 2>error-adt
'
test_expect_success 'test --all with tag to non-tip' '
git commit --allow-empty -m non-tip &&
git commit --allow-empty -m tip &&
git tag -m "annotated" non-tip HEAD^ &&
(
cd client &&
git fetch-pack --all ..
)
'
test_expect_success 'test --all wrt tag to non-commits' '
# create tag-to-{blob,tree,commit,tag}, making sure all tagged objects
# are reachable only via created tag references.
blob=$(echo "hello blob" | git hash-object -t blob -w --stdin) &&
git tag -a -m "tag -> blob" tag-to-blob $blob &&
tree=$(printf "100644 blob $blob\tfile" | git mktree) &&
git tag -a -m "tag -> tree" tag-to-tree $tree &&
tree2=$(printf "100644 blob $blob\tfile2" | git mktree) &&
commit=$(git commit-tree -m "hello commit" $tree) &&
git tag -a -m "tag -> commit" tag-to-commit $commit &&
blob2=$(echo "hello blob2" | git hash-object -t blob -w --stdin) &&
tag=$(git mktag <<-EOF
object $blob2
type blob
tag tag-to-blob2
tagger author A U Thor <author@example.com> 0 +0000
hello tag
EOF
) &&
git tag -a -m "tag -> tag" tag-to-tag $tag &&
# `fetch-pack --all` should succeed fetching all those objects.
mkdir fetchall &&
(
cd fetchall &&
git init &&
git fetch-pack --all .. &&
git cat-file blob $blob >/dev/null &&
git cat-file tree $tree >/dev/null &&
git cat-file commit $commit >/dev/null &&
git cat-file tag $tag >/dev/null
)
'
test_expect_success 'shallow fetch with tags does not break the repository' '
mkdir repo1 &&
(
cd repo1 &&
git init &&
test_commit 1 &&
test_commit 2 &&
test_commit 3 &&
mkdir repo2 &&
cd repo2 &&
git init &&
git fetch --depth=2 ../.git main:branch &&
git fsck
)
'
test_expect_success 'fetch-pack can fetch a raw sha1' '
git init hidden &&
(
cd hidden &&
test_commit 1 &&
test_commit 2 &&
git update-ref refs/hidden/one HEAD^ &&
git config transfer.hiderefs refs/hidden &&
git config uploadpack.allowtipsha1inwant true
) &&
git fetch-pack hidden $(git -C hidden rev-parse refs/hidden/one)
'
test_expect_success 'fetch-pack can fetch a raw sha1 that is advertised as a ref' '
rm -rf server client &&
git init server &&
test_commit -C server 1 &&
git init client &&
git -C client fetch-pack ../server \
$(git -C server rev-parse refs/heads/main)
'
test_expect_success 'fetch-pack can fetch a raw sha1 overlapping a named ref' '
rm -rf server client &&
git init server &&
test_commit -C server 1 &&
test_commit -C server 2 &&
git init client &&
git -C client fetch-pack ../server \
$(git -C server rev-parse refs/tags/1) refs/tags/1
'
test_expect_success 'fetch-pack cannot fetch a raw sha1 that is not advertised as a ref' '
rm -rf server &&
git init server &&
test_commit -C server 5 &&
git -C server tag -d 5 &&
test_commit -C server 6 &&
git init client &&
# Some protocol versions (e.g. 2) support fetching
# unadvertised objects, so restrict this test to v0.
test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -C client fetch-pack ../server \
$(git -C server rev-parse refs/heads/main^) 2>err &&
test_i18ngrep "Server does not allow request for unadvertised object" err
'
check_prot_path () {
cat >expected <<-EOF &&
Diag: url=$1
Diag: protocol=$2
Diag: path=$3
EOF
git fetch-pack --diag-url "$1" | grep -v hostandport= >actual &&
test_cmp expected actual
}
check_prot_host_port_path () {
case "$2" in
*ssh*)
pp=ssh
uah=userandhost
ehost=$(echo $3 | tr -d "[]")
diagport="Diag: port=$4"
;;
*)
pp=$p
uah=hostandport
ehost=$(echo $3$4 | sed -e "s/22$/:22/" -e "s/NONE//")
diagport=""
;;
esac
cat >exp <<-EOF &&
Diag: url=$1
Diag: protocol=$pp
Diag: $uah=$ehost
$diagport
Diag: path=$5
EOF
grep -v "^$" exp >expected
git fetch-pack --diag-url "$1" >actual &&
test_cmp expected actual
}
for r in repo re:po re/po
do
# git or ssh with scheme
for p in "ssh+git" "git+ssh" git ssh
do
for h in host user@host user@[::1] user@::1
do
for c in "" :
do
test_expect_success "fetch-pack --diag-url $p://$h$c/$r" '
check_prot_host_port_path $p://$h/$r $p "$h" NONE "/$r"
'
# "/~" -> "~" conversion
test_expect_success "fetch-pack --diag-url $p://$h$c/~$r" '
check_prot_host_port_path $p://$h/~$r $p "$h" NONE "~$r"
'
done
done
for h in host User@host User@[::1]
do
test_expect_success "fetch-pack --diag-url $p://$h:22/$r" '
check_prot_host_port_path $p://$h:22/$r $p "$h" 22 "/$r"
'
done
done
# file with scheme
for p in file
do
test_expect_success !MINGW "fetch-pack --diag-url $p://$h/$r" '
check_prot_path $p://$h/$r $p "/$r"
'
test_expect_success MINGW "fetch-pack --diag-url $p://$h/$r" '
check_prot_path $p://$h/$r $p "//$h/$r"
'
test_expect_success MINGW "fetch-pack --diag-url $p:///$r" '
check_prot_path $p:///$r $p "/$r"
'
# No "/~" -> "~" conversion for file
test_expect_success !MINGW "fetch-pack --diag-url $p://$h/~$r" '
check_prot_path $p://$h/~$r $p "/~$r"
'
test_expect_success MINGW "fetch-pack --diag-url $p://$h/~$r" '
check_prot_path $p://$h/~$r $p "//$h/~$r"
'
done
# file without scheme
for h in nohost nohost:12 [::1] [::1]:23 [ [:aa
do
test_expect_success "fetch-pack --diag-url ./$h:$r" '
check_prot_path ./$h:$r $p "./$h:$r"
'
# No "/~" -> "~" conversion for file
test_expect_success "fetch-pack --diag-url ./$p:$h/~$r" '
check_prot_path ./$p:$h/~$r $p "./$p:$h/~$r"
'
done
#ssh without scheme
p=ssh
for h in host [::1]
do
test_expect_success "fetch-pack --diag-url $h:$r" '
check_prot_host_port_path $h:$r $p "$h" NONE "$r"
'
# Do "/~" -> "~" conversion
test_expect_success "fetch-pack --diag-url $h:/~$r" '
check_prot_host_port_path $h:/~$r $p "$h" NONE "~$r"
'
done
done
test_expect_success MINGW 'fetch-pack --diag-url file://c:/repo' '
check_prot_path file://c:/repo file c:/repo
'
test_expect_success MINGW 'fetch-pack --diag-url c:repo' '
check_prot_path c:repo file c:repo
'
test_expect_success 'clone shallow since ...' '
test_create_repo shallow-since &&
(
cd shallow-since &&
GIT_COMMITTER_DATE="100000000 +0700" git commit --allow-empty -m one &&
GIT_COMMITTER_DATE="200000000 +0700" git commit --allow-empty -m two &&
GIT_COMMITTER_DATE="300000000 +0700" git commit --allow-empty -m three &&
git clone --shallow-since "300000000 +0700" "file://$(pwd)/." ../shallow11 &&
git -C ../shallow11 log --pretty=tformat:%s HEAD >actual &&
echo three >expected &&
test_cmp expected actual
)
'
test_expect_success 'fetch shallow since ...' '
git -C shallow11 fetch --shallow-since "200000000 +0700" origin &&
git -C shallow11 log --pretty=tformat:%s origin/main >actual &&
cat >expected <<-\EOF &&
three
two
EOF
test_cmp expected actual
'
test_expect_success 'clone shallow since selects no commits' '
test_create_repo shallow-since-the-future &&
(
cd shallow-since-the-future &&
GIT_COMMITTER_DATE="100000000 +0700" git commit --allow-empty -m one &&
GIT_COMMITTER_DATE="200000000 +0700" git commit --allow-empty -m two &&
GIT_COMMITTER_DATE="300000000 +0700" git commit --allow-empty -m three &&
test_must_fail git clone --shallow-since "900000000 +0700" "file://$(pwd)/." ../shallow111
)
'
# A few subtle things about the request in this test:
#
# - the server must have commit-graphs present and enabled
#
# - the history is such that our want/have share a common ancestor ("base"
# here)
#
# - we send only a single have, which is fewer than a normal client would
# send. This ensures that we don't parse "base" up front with
# parse_object(), but rather traverse to it as a parent while deciding if we
# can stop the "have" negotiation, and call parse_commit(). The former
# sees the actual object data and so always loads the three oid, whereas the
# latter will try to load it lazily.
#
# - we must use protocol v2, because it handles the "have" negotiation before
# processing the shallow directives
#
test_expect_success 'shallow since with commit graph and already-seen commit' '
test_create_repo shallow-since-graph &&
(
cd shallow-since-graph &&
test_commit base &&
test_commit main &&
git checkout -b other HEAD^ &&
test_commit other &&
git commit-graph write --reachable &&
git config core.commitGraph true &&
GIT_PROTOCOL=version=2 git upload-pack . <<-EOF >/dev/null
0012command=fetch
$(echo "object-format=$(test_oid algo)" | packetize)
00010013deepen-since 1
$(echo "want $(git rev-parse other)" | packetize)
$(echo "have $(git rev-parse main)" | packetize)
0000
EOF
)
'
test_expect_success 'shallow clone exclude tag two' '
test_create_repo shallow-exclude &&
(
cd shallow-exclude &&
test_commit one &&
test_commit two &&
test_commit three &&
git clone --shallow-exclude two "file://$(pwd)/." ../shallow12 &&
git -C ../shallow12 log --pretty=tformat:%s HEAD >actual &&
echo three >expected &&
test_cmp expected actual
)
'
test_expect_success 'fetch exclude tag one' '
git -C shallow12 fetch --shallow-exclude one origin &&
git -C shallow12 log --pretty=tformat:%s origin/main >actual &&
test_write_lines three two >expected &&
test_cmp expected actual
'
test_expect_success 'fetching deepen' '
test_create_repo shallow-deepen &&
(
cd shallow-deepen &&
test_commit one &&
test_commit two &&
test_commit three &&
git clone --depth 1 "file://$(pwd)/." deepen &&
test_commit four &&
git -C deepen log --pretty=tformat:%s main >actual &&
echo three >expected &&
test_cmp expected actual &&
git -C deepen fetch --deepen=1 &&
git -C deepen log --pretty=tformat:%s origin/main >actual &&
cat >expected <<-\EOF &&
four
three
two
EOF
test_cmp expected actual
)
'
test_negotiation_algorithm_default () {
test_when_finished rm -rf clientv0 clientv2 &&
rm -rf server client &&
git init server &&
test_commit -C server both_have_1 &&
git -C server tag -d both_have_1 &&
test_commit -C server both_have_2 &&
git clone server client &&
test_commit -C server server_has &&
test_commit -C client client_has &&
# In both protocol v0 and v2, ensure that the parent of both_have_2 is
# not sent as a "have" line. The client should know that the server has
# both_have_2, so it only needs to inform the server that it has
# both_have_2, and the server can infer the rest.
rm -f trace &&
cp -r client clientv0 &&
GIT_TRACE_PACKET="$(pwd)/trace" git -C clientv0 \
"$@" fetch origin server_has both_have_2 &&
grep "have $(git -C client rev-parse client_has)" trace &&
grep "have $(git -C client rev-parse both_have_2)" trace &&
! grep "have $(git -C client rev-parse both_have_2^)" trace &&
rm -f trace &&
cp -r client clientv2 &&
GIT_TRACE_PACKET="$(pwd)/trace" git -C clientv2 -c protocol.version=2 \
"$@" fetch origin server_has both_have_2 &&
grep "have $(git -C client rev-parse client_has)" trace &&
grep "have $(git -C client rev-parse both_have_2)" trace &&
! grep "have $(git -C client rev-parse both_have_2^)" trace
}
test_expect_success 'use ref advertisement to prune "have" lines sent' '
test_negotiation_algorithm_default
'
test_expect_success 'same as last but with config overrides' '
test_negotiation_algorithm_default \
-c feature.experimental=true \
-c fetch.negotiationAlgorithm=consecutive
'
test_expect_success 'ensure bogus fetch.negotiationAlgorithm yields error' '
test_when_finished rm -rf clientv0 &&
cp -r client clientv0 &&
test_must_fail git -C clientv0 --fetch.negotiationAlgorithm=bogus \
fetch origin server_has both_have_2
'
test_expect_success 'filtering by size' '
rm -rf server client &&
test_create_repo server &&
test_commit -C server one &&
test_config -C server uploadpack.allowfilter 1 &&
test_create_repo client &&
git -C client fetch-pack --filter=blob:limit=0 ../server HEAD &&
# Ensure that object is not inadvertently fetched
commit=$(git -C server rev-parse HEAD) &&
blob=$(git hash-object server/one.t) &&
git -C client rev-list --objects --missing=allow-any "$commit" >oids &&
! grep "$blob" oids
'
test_expect_success 'filtering by size has no effect if support for it is not advertised' '
rm -rf server client &&
test_create_repo server &&
test_commit -C server one &&
test_create_repo client &&
git -C client fetch-pack --filter=blob:limit=0 ../server HEAD 2> err &&
# Ensure that object is fetched
commit=$(git -C server rev-parse HEAD) &&
blob=$(git hash-object server/one.t) &&
git -C client rev-list --objects --missing=allow-any "$commit" >oids &&
grep "$blob" oids &&
test_i18ngrep "filtering not recognized by server" err
'
fetch_filter_blob_limit_zero () {
SERVER="$1"
URL="$2"
rm -rf "$SERVER" client &&
test_create_repo "$SERVER" &&
test_commit -C "$SERVER" one &&
test_config -C "$SERVER" uploadpack.allowfilter 1 &&
git clone "$URL" client &&
test_commit -C "$SERVER" two &&
git -C client fetch --filter=blob:limit=0 origin HEAD:somewhere &&
# Ensure that commit is fetched, but blob is not
commit=$(git -C "$SERVER" rev-parse two) &&
blob=$(git hash-object server/two.t) &&
git -C client rev-list --objects --missing=allow-any "$commit" >oids &&
grep "$commit" oids &&
! grep "$blob" oids
}
test_expect_success 'fetch with --filter=blob:limit=0' '
fetch_filter_blob_limit_zero server server
'
. "$TEST_DIRECTORY"/lib-httpd.sh
start_httpd
test_expect_success 'fetch with --filter=blob:limit=0 and HTTP' '
fetch_filter_blob_limit_zero "$HTTPD_DOCUMENT_ROOT_PATH/server" "$HTTPD_URL/smart/server"
'
# DO NOT add non-httpd-specific tests here, because the last part of this
# test script is only executed when httpd is available and enabled.
test_done
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