#!/bin/sh test_description='upload-pack ref-in-want' GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME . ./test-lib.sh get_actual_refs () { sed -n -e '/wanted-refs/,/0001/{ /wanted-refs/d /0001/d p }' <out | test-tool pkt-line unpack >actual_refs } get_actual_commits () { test-tool pkt-line unpack-sideband <out >o.pack && git index-pack o.pack && git verify-pack -v o.idx >objs && sed -n -e 's/\([0-9a-f][0-9a-f]*\) commit .*/\1/p' objs >objs.sed && sort >actual_commits <objs.sed } check_output () { get_actual_refs && test_cmp expected_refs actual_refs && get_actual_commits && sort expected_commits >sorted_commits && test_cmp sorted_commits actual_commits } write_command () { echo "command=$1" if test "$(test_oid algo)" != sha1 then echo "object-format=$(test_oid algo)" fi } # c(o/foo) d(o/bar) # \ / # b e(baz) f(main) # \__ | __/ # \ | / # a test_expect_success 'setup repository' ' test_commit a && git branch -M main && git checkout -b o/foo && test_commit b && test_commit c && git checkout -b o/bar b && test_commit d && git checkout -b baz a && test_commit e && git checkout main && test_commit f ' test_expect_success 'config controls ref-in-want advertisement' ' test-tool serve-v2 --advertise-capabilities >out && perl -ne "/ref-in-want/ and print" out >out.filter && test_must_be_empty out.filter && git config uploadpack.allowRefInWant false && test-tool serve-v2 --advertise-capabilities >out && perl -ne "/ref-in-want/ and print" out >out.filter && test_must_be_empty out.filter && git config uploadpack.allowRefInWant true && test-tool serve-v2 --advertise-capabilities >out && perl -ne "/ref-in-want/ and print" out >out.filter && test_file_not_empty out.filter ' test_expect_success 'invalid want-ref line' ' test-tool pkt-line pack >in <<-EOF && $(write_command fetch) 0001 no-progress want-ref refs/heads/non-existent done 0000 EOF test_must_fail test-tool serve-v2 --stateless-rpc 2>out <in && grep "unknown ref" out ' test_expect_success 'basic want-ref' ' oid=$(git rev-parse f) && cat >expected_refs <<-EOF && $oid refs/heads/main EOF git rev-parse f >expected_commits && oid=$(git rev-parse a) && test-tool pkt-line pack >in <<-EOF && $(write_command fetch) 0001 no-progress want-ref refs/heads/main have $oid done 0000 EOF test-tool serve-v2 --stateless-rpc >out <in && check_output ' test_expect_success 'multiple want-ref lines' ' oid_c=$(git rev-parse c) && oid_d=$(git rev-parse d) && cat >expected_refs <<-EOF && $oid_c refs/heads/o/foo $oid_d refs/heads/o/bar EOF git rev-parse c d >expected_commits && oid=$(git rev-parse b) && test-tool pkt-line pack >in <<-EOF && $(write_command fetch) 0001 no-progress want-ref refs/heads/o/foo want-ref refs/heads/o/bar have $oid done 0000 EOF test-tool serve-v2 --stateless-rpc >out <in && check_output ' test_expect_success 'mix want and want-ref' ' oid=$(git rev-parse f) && cat >expected_refs <<-EOF && $oid refs/heads/main EOF git rev-parse e f >expected_commits && test-tool pkt-line pack >in <<-EOF && $(write_command fetch) 0001 no-progress want-ref refs/heads/main want $(git rev-parse e) have $(git rev-parse a) done 0000 EOF test-tool serve-v2 --stateless-rpc >out <in && check_output ' test_expect_success 'want-ref with ref we already have commit for' ' oid=$(git rev-parse c) && cat >expected_refs <<-EOF && $oid refs/heads/o/foo EOF >expected_commits && oid=$(git rev-parse c) && test-tool pkt-line pack >in <<-EOF && $(write_command fetch) 0001 no-progress want-ref refs/heads/o/foo have $oid done 0000 EOF test-tool serve-v2 --stateless-rpc >out <in && check_output ' REPO="$(pwd)/repo" LOCAL_PRISTINE="$(pwd)/local_pristine" # $REPO # c(o/foo) d(o/bar) # \ / # b e(baz) f(main) # \__ | __/ # \ | / # a # # $LOCAL_PRISTINE # s32(side) # | # . # . # | # a(main) test_expect_success 'setup repos for fetching with ref-in-want tests' ' ( git init -b main "$REPO" && cd "$REPO" && test_commit a && # Local repo with many commits (so that negotiation will take # more than 1 request/response pair) rm -rf "$LOCAL_PRISTINE" && git clone "file://$REPO" "$LOCAL_PRISTINE" && cd "$LOCAL_PRISTINE" && git checkout -b side && test_commit_bulk --id=s 33 && # Add novel commits to upstream git checkout main && cd "$REPO" && git checkout -b o/foo && test_commit b && test_commit c && git checkout -b o/bar b && test_commit d && git checkout -b baz a && test_commit e && git checkout main && test_commit f ) && git -C "$REPO" config uploadpack.allowRefInWant true && git -C "$LOCAL_PRISTINE" config protocol.version 2 ' test_expect_success 'fetching with exact OID' ' test_when_finished "rm -f log" && rm -rf local && cp -r "$LOCAL_PRISTINE" local && oid=$(git -C "$REPO" rev-parse d) && GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \ "$oid":refs/heads/actual && git -C "$REPO" rev-parse "d" >expected && git -C local rev-parse refs/heads/actual >actual && test_cmp expected actual && grep "want $oid" log ' test_expect_success 'fetching multiple refs' ' test_when_finished "rm -f log" && rm -rf local && cp -r "$LOCAL_PRISTINE" local && GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin main baz && git -C "$REPO" rev-parse "main" "baz" >expected && git -C local rev-parse refs/remotes/origin/main refs/remotes/origin/baz >actual && test_cmp expected actual && grep "want-ref refs/heads/main" log && grep "want-ref refs/heads/baz" log ' test_expect_success 'fetching ref and exact OID' ' test_when_finished "rm -f log" && rm -rf local && cp -r "$LOCAL_PRISTINE" local && oid=$(git -C "$REPO" rev-parse b) && GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \ main "$oid":refs/heads/actual && git -C "$REPO" rev-parse "main" "b" >expected && git -C local rev-parse refs/remotes/origin/main refs/heads/actual >actual && test_cmp expected actual && grep "want $oid" log && grep "want-ref refs/heads/main" log ' test_expect_success 'fetching with wildcard that does not match any refs' ' test_when_finished "rm -f log" && rm -rf local && cp -r "$LOCAL_PRISTINE" local && git -C local fetch origin refs/heads/none*:refs/heads/* >out && test_must_be_empty out ' test_expect_success 'fetching with wildcard that matches multiple refs' ' test_when_finished "rm -f log" && rm -rf local && cp -r "$LOCAL_PRISTINE" local && GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin refs/heads/o*:refs/heads/o* && git -C "$REPO" rev-parse "o/foo" "o/bar" >expected && git -C local rev-parse "o/foo" "o/bar" >actual && test_cmp expected actual && grep "want-ref refs/heads/o/foo" log && grep "want-ref refs/heads/o/bar" log ' . "$TEST_DIRECTORY"/lib-httpd.sh start_httpd REPO="$HTTPD_DOCUMENT_ROOT_PATH/repo" LOCAL_PRISTINE="$(pwd)/local_pristine" test_expect_success 'setup repos for change-while-negotiating test' ' ( git init -b main "$REPO" && cd "$REPO" && >.git/git-daemon-export-ok && test_commit m1 && git tag -d m1 && # Local repo with many commits (so that negotiation will take # more than 1 request/response pair) rm -rf "$LOCAL_PRISTINE" && git clone "http://127.0.0.1:$LIB_HTTPD_PORT/smart/repo" "$LOCAL_PRISTINE" && cd "$LOCAL_PRISTINE" && git checkout -b side && test_commit_bulk --id=s 33 && # Add novel commits to upstream git checkout main && cd "$REPO" && test_commit m2 && test_commit m3 && git tag -d m2 m3 ) && git -C "$LOCAL_PRISTINE" remote set-url origin "http://127.0.0.1:$LIB_HTTPD_PORT/one_time_perl/repo" && git -C "$LOCAL_PRISTINE" config protocol.version 2 ' inconsistency () { # Simulate that the server initially reports $2 as the ref # corresponding to $1, and after that, $1 as the ref corresponding to # $1. This corresponds to the real-life situation where the server's # repository appears to change during negotiation, for example, when # different servers in a load-balancing arrangement serve (stateless) # RPCs during a single negotiation. oid1=$(git -C "$REPO" rev-parse $1) && oid2=$(git -C "$REPO" rev-parse $2) && echo "s/$oid1/$oid2/" >"$HTTPD_ROOT_PATH/one-time-perl" } test_expect_success 'server is initially ahead - no ref in want' ' git -C "$REPO" config uploadpack.allowRefInWant false && rm -rf local && cp -r "$LOCAL_PRISTINE" local && inconsistency main $(test_oid numeric) && test_must_fail git -C local fetch 2>err && test_i18ngrep "fatal: remote error: upload-pack: not our ref" err ' test_expect_success 'server is initially ahead - ref in want' ' git -C "$REPO" config uploadpack.allowRefInWant true && rm -rf local && cp -r "$LOCAL_PRISTINE" local && inconsistency main $(test_oid numeric) && git -C local fetch && git -C "$REPO" rev-parse --verify main >expected && git -C local rev-parse --verify refs/remotes/origin/main >actual && test_cmp expected actual ' test_expect_success 'server is initially behind - no ref in want' ' git -C "$REPO" config uploadpack.allowRefInWant false && rm -rf local && cp -r "$LOCAL_PRISTINE" local && inconsistency main "main^" && git -C local fetch && git -C "$REPO" rev-parse --verify "main^" >expected && git -C local rev-parse --verify refs/remotes/origin/main >actual && test_cmp expected actual ' test_expect_success 'server is initially behind - ref in want' ' git -C "$REPO" config uploadpack.allowRefInWant true && rm -rf local && cp -r "$LOCAL_PRISTINE" local && inconsistency main "main^" && git -C local fetch && git -C "$REPO" rev-parse --verify "main" >expected && git -C local rev-parse --verify refs/remotes/origin/main >actual && test_cmp expected actual ' test_expect_success 'server loses a ref - ref in want' ' git -C "$REPO" config uploadpack.allowRefInWant true && rm -rf local && cp -r "$LOCAL_PRISTINE" local && echo "s/main/rain/" >"$HTTPD_ROOT_PATH/one-time-perl" && test_must_fail git -C local fetch 2>err && test_i18ngrep "fatal: remote error: unknown ref refs/heads/rain" err ' # 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