#!/bin/sh test_description='git partial clone' GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME . ./test-lib.sh # create a normal "src" repo where we can later create new commits. # expect_1.oids will contain a list of the OIDs of all blobs. test_expect_success 'setup normal src repo' ' echo "{print \$1}" >print_1.awk && echo "{print \$2}" >print_2.awk && git init src && for n in 1 2 3 4 do echo "This is file: $n" > src/file.$n.txt git -C src add file.$n.txt git -C src commit -m "file $n" git -C src ls-files -s file.$n.txt >>temp done && awk -f print_2.awk expect_1.oids && test_line_count = 4 expect_1.oids ' # bare clone "src" giving "srv.bare" for use as our server. test_expect_success 'setup bare clone for server' ' git clone --bare "file://$(pwd)/src" srv.bare && git -C srv.bare config --local uploadpack.allowfilter 1 && git -C srv.bare config --local uploadpack.allowanysha1inwant 1 ' # do basic partial clone from "srv.bare" # confirm we are missing all of the known blobs. # confirm partial clone was registered in the local config. test_expect_success 'do partial clone 1' ' git clone --no-checkout --filter=blob:none "file://$(pwd)/srv.bare" pc1 && git -C pc1 rev-list --quiet --objects --missing=print HEAD >revs && awk -f print_1.awk revs | sed "s/?//" | sort >observed.oids && test_cmp expect_1.oids observed.oids && test "$(git -C pc1 config --local core.repositoryformatversion)" = "1" && test "$(git -C pc1 config --local remote.origin.promisor)" = "true" && test "$(git -C pc1 config --local remote.origin.partialclonefilter)" = "blob:none" ' test_expect_success 'verify that .promisor file contains refs fetched' ' ls pc1/.git/objects/pack/pack-*.promisor >promisorlist && test_line_count = 1 promisorlist && git -C srv.bare rev-parse --verify HEAD >headhash && grep "$(cat headhash) HEAD" $(cat promisorlist) && grep "$(cat headhash) refs/heads/master" $(cat promisorlist) ' # checkout master to force dynamic object fetch of blobs at HEAD. test_expect_success 'verify checkout with dynamic object fetch' ' git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed && test_line_count = 4 observed && git -C pc1 checkout master && git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed && test_line_count = 0 observed ' # create new commits in "src" repo to establish a blame history on file.1.txt # and push to "srv.bare". test_expect_success 'push new commits to server' ' git -C src remote add srv "file://$(pwd)/srv.bare" && for x in a b c d e do echo "Mod file.1.txt $x" >>src/file.1.txt git -C src add file.1.txt git -C src commit -m "mod $x" done && git -C src blame master -- file.1.txt >expect.blame && git -C src push -u srv master ' # (partial) fetch in the partial clone repo from the promisor remote. # verify that fetch inherited the filter-spec from the config and DOES NOT # have the new blobs. test_expect_success 'partial fetch inherits filter settings' ' git -C pc1 fetch origin && git -C pc1 rev-list --quiet --objects --missing=print \ master..origin/master >observed && test_line_count = 5 observed ' # force dynamic object fetch using diff. # we should only get 1 new blob (for the file in origin/master). test_expect_success 'verify diff causes dynamic object fetch' ' git -C pc1 diff master..origin/master -- file.1.txt && git -C pc1 rev-list --quiet --objects --missing=print \ master..origin/master >observed && test_line_count = 4 observed ' # force full dynamic object fetch of the file's history using blame. # we should get the intermediate blobs for the file. test_expect_success 'verify blame causes dynamic object fetch' ' git -C pc1 blame origin/master -- file.1.txt >observed.blame && test_cmp expect.blame observed.blame && git -C pc1 rev-list --quiet --objects --missing=print \ master..origin/master >observed && test_line_count = 0 observed ' # create new commits in "src" repo to establish a history on file.2.txt # and push to "srv.bare". test_expect_success 'push new commits to server for file.2.txt' ' for x in a b c d e f do echo "Mod file.2.txt $x" >>src/file.2.txt git -C src add file.2.txt git -C src commit -m "mod $x" done && git -C src push -u srv master ' # Do FULL fetch by disabling inherited filter-spec using --no-filter. # Verify we have all the new blobs. test_expect_success 'override inherited filter-spec using --no-filter' ' git -C pc1 fetch --no-filter origin && git -C pc1 rev-list --quiet --objects --missing=print \ master..origin/master >observed && test_line_count = 0 observed ' # create new commits in "src" repo to establish a history on file.3.txt # and push to "srv.bare". test_expect_success 'push new commits to server for file.3.txt' ' for x in a b c d e f do echo "Mod file.3.txt $x" >>src/file.3.txt git -C src add file.3.txt git -C src commit -m "mod $x" done && git -C src push -u srv master ' # Do a partial fetch and then try to manually fetch the missing objects. # This can be used as the basis of a pre-command hook to bulk fetch objects # perhaps combined with a command in dry-run mode. test_expect_success 'manual prefetch of missing objects' ' git -C pc1 fetch --filter=blob:none origin && git -C pc1 rev-list --quiet --objects --missing=print \ master..origin/master >revs && awk -f print_1.awk revs | sed "s/?//" | sort >observed.oids && test_line_count = 6 observed.oids && git -C pc1 fetch-pack --stdin "file://$(pwd)/srv.bare" revs && awk -f print_1.awk revs | sed "s/?//" | sort >observed.oids && test_line_count = 0 observed.oids ' test_expect_success 'partial clone with transfer.fsckobjects=1 works with submodules' ' test_create_repo submodule && test_commit -C submodule mycommit && test_create_repo src_with_sub && test_config -C src_with_sub uploadpack.allowfilter 1 && test_config -C src_with_sub uploadpack.allowanysha1inwant 1 && git -C src_with_sub submodule add "file://$(pwd)/submodule" mysub && git -C src_with_sub commit -m "commit with submodule" && git -c transfer.fsckobjects=1 \ clone --filter="blob:none" "file://$(pwd)/src_with_sub" dst && test_when_finished rm -rf dst ' test_expect_success 'partial clone with transfer.fsckobjects=1 uses index-pack --fsck-objects' ' git init src && test_commit -C src x && test_config -C src uploadpack.allowfilter 1 && test_config -C src uploadpack.allowanysha1inwant 1 && GIT_TRACE="$(pwd)/trace" git -c transfer.fsckobjects=1 \ clone --filter="blob:none" "file://$(pwd)/src" dst && grep "git index-pack.*--fsck-objects" trace ' test_expect_success 'use fsck before and after manually fetching a missing subtree' ' # push new commit so server has a subtree mkdir src/dir && echo "in dir" >src/dir/file.txt && git -C src add dir/file.txt && git -C src commit -m "file in dir" && git -C src push -u srv master && SUBTREE=$(git -C src rev-parse HEAD:dir) && rm -rf dst && git clone --no-checkout --filter=tree:0 "file://$(pwd)/srv.bare" dst && git -C dst fsck && # Make sure we only have commits, and all trees and blobs are missing. git -C dst rev-list --missing=allow-any --objects master \ >fetched_objects && awk -f print_1.awk fetched_objects | xargs -n1 git -C dst cat-file -t >fetched_types && sort -u fetched_types >unique_types.observed && echo commit >unique_types.expected && test_cmp unique_types.expected unique_types.observed && # Auto-fetch a tree with cat-file. git -C dst cat-file -p $SUBTREE >tree_contents && grep file.txt tree_contents && # fsck still works after an auto-fetch of a tree. git -C dst fsck && # Auto-fetch all remaining trees and blobs with --missing=error git -C dst rev-list --missing=error --objects master >fetched_objects && test_line_count = 70 fetched_objects && awk -f print_1.awk fetched_objects | xargs -n1 git -C dst cat-file -t >fetched_types && sort -u fetched_types >unique_types.observed && test_write_lines blob commit tree >unique_types.expected && test_cmp unique_types.expected unique_types.observed ' test_expect_success 'implicitly construct combine: filter with repeated flags' ' GIT_TRACE=$(pwd)/trace git clone --bare \ --filter=blob:none --filter=tree:1 \ "file://$(pwd)/srv.bare" pc2 && grep "trace:.* git pack-objects .*--filter=combine:blob:none+tree:1" \ trace && git -C pc2 rev-list --objects --missing=allow-any HEAD >objects && # We should have gotten some root trees. grep " $" objects && # Should not have gotten any non-root trees or blobs. ! grep " ." objects && xargs -n 1 git -C pc2 cat-file -t types && sort -u types >unique_types.actual && test_write_lines commit tree >unique_types.expected && test_cmp unique_types.expected unique_types.actual ' test_expect_success 'upload-pack fails banned object filters' ' test_config -C srv.bare uploadpackfilter.blob:none.allow false && test_must_fail ok=sigpipe git clone --no-checkout --filter=blob:none \ "file://$(pwd)/srv.bare" pc3 2>err && test_i18ngrep "filter '\''blob:none'\'' not supported" err ' test_expect_success 'upload-pack fails banned combine object filters' ' test_config -C srv.bare uploadpackfilter.allow false && test_config -C srv.bare uploadpackfilter.combine.allow true && test_config -C srv.bare uploadpackfilter.tree.allow true && test_config -C srv.bare uploadpackfilter.blob:none.allow false && test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:1 \ --filter=blob:none "file://$(pwd)/srv.bare" pc3 2>err && test_i18ngrep "filter '\''blob:none'\'' not supported" err ' test_expect_success 'upload-pack fails banned object filters with fallback' ' test_config -C srv.bare uploadpackfilter.allow false && test_must_fail ok=sigpipe git clone --no-checkout --filter=blob:none \ "file://$(pwd)/srv.bare" pc3 2>err && test_i18ngrep "filter '\''blob:none'\'' not supported" err ' test_expect_success 'upload-pack limits tree depth filters' ' test_config -C srv.bare uploadpackfilter.allow false && test_config -C srv.bare uploadpackfilter.tree.allow true && test_config -C srv.bare uploadpackfilter.tree.maxDepth 0 && test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:1 \ "file://$(pwd)/srv.bare" pc3 2>err && test_i18ngrep "tree filter allows max depth 0, but got 1" err ' test_expect_success 'partial clone fetches blobs pointed to by refs even if normally filtered out' ' rm -rf src dst && git init src && test_commit -C src x && test_config -C src uploadpack.allowfilter 1 && test_config -C src uploadpack.allowanysha1inwant 1 && # Create a tag pointing to a blob. BLOB=$(echo blob-contents | git -C src hash-object --stdin -w) && git -C src tag myblob "$BLOB" && git clone --filter="blob:none" "file://$(pwd)/src" dst 2>err && ! grep "does not point to a valid object" err && git -C dst fsck ' test_expect_success 'fetch what is specified on CLI even if already promised' ' rm -rf src dst.git && git init src && test_commit -C src foo && test_config -C src uploadpack.allowfilter 1 && test_config -C src uploadpack.allowanysha1inwant 1 && git hash-object --stdin blob && git clone --bare --filter=blob:none "file://$(pwd)/src" dst.git && git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_before && grep "?$(cat blob)" missing_before && git -C dst.git fetch origin $(cat blob) && git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_after && ! grep "?$(cat blob)" missing_after ' test_expect_success 'setup src repo for sparse filter' ' git init sparse-src && git -C sparse-src config --local uploadpack.allowfilter 1 && git -C sparse-src config --local uploadpack.allowanysha1inwant 1 && test_commit -C sparse-src one && test_commit -C sparse-src two && echo /one.t >sparse-src/only-one && git -C sparse-src add . && git -C sparse-src commit -m "add sparse checkout files" ' test_expect_success 'partial clone with sparse filter succeeds' ' rm -rf dst.git && git clone --no-local --bare \ --filter=sparse:oid=master:only-one \ sparse-src dst.git && ( cd dst.git && git rev-list --objects --missing=print HEAD >out && grep "^$(git rev-parse HEAD:one.t)" out && grep "^?$(git rev-parse HEAD:two.t)" out ) ' test_expect_success 'partial clone with unresolvable sparse filter fails cleanly' ' rm -rf dst.git && test_must_fail git clone --no-local --bare \ --filter=sparse:oid=master:no-such-name \ sparse-src dst.git 2>err && test_i18ngrep "unable to access sparse blob in .master:no-such-name" err && test_must_fail git clone --no-local --bare \ --filter=sparse:oid=master \ sparse-src dst.git 2>err && test_i18ngrep "unable to parse sparse filter data in" err ' setup_triangle () { rm -rf big-blob.txt server client promisor-remote && printf "line %d\n" $(test_seq 1 100) >big-blob.txt && # Create a server with 2 commits: a commit with a big tree and a child # commit with an incremental change. Also, create a partial clone # client that only contains the first commit. git init server && git -C server config --local uploadpack.allowfilter 1 && for i in $(test_seq 1 100) do echo "make the tree big" >server/file$i && git -C server add file$i done && git -C server commit -m "initial" && git clone --bare --filter=tree:0 "file://$(pwd)/server" client && echo another line >>server/file1 && git -C server commit -am "incremental change" && # Create a promisor remote that only contains the tree and blob from # the first commit. git init promisor-remote && git -C server config --local uploadpack.allowanysha1inwant 1 && TREE_HASH=$(git -C server rev-parse HEAD~1^{tree}) && git -C promisor-remote fetch --keep "file://$(pwd)/server" "$TREE_HASH" && git -C promisor-remote count-objects -v >object-count && test_i18ngrep "count: 0" object-count && test_i18ngrep "in-pack: 2" object-count && # Set it as the promisor remote of client. Thus, whenever # the client lazy fetches, the lazy fetch will succeed only if it is # for this tree or blob. test_commit -C promisor-remote one && # so that ref advertisement is not empty git -C promisor-remote config --local uploadpack.allowanysha1inwant 1 && git -C client remote set-url origin "file://$(pwd)/promisor-remote" } # NEEDSWORK: The tests beginning with "fetch lazy-fetches" below only # test that "fetch" avoid fetching trees and blobs, but not commits or # tags. Revisit this if Git is ever taught to support partial clones # with commits and/or tags filtered out. test_expect_success 'fetch lazy-fetches only to resolve deltas' ' setup_triangle && # Exercise to make sure it works. Git will not fetch anything from the # promisor remote other than for the big tree (because it needs to # resolve the delta). GIT_TRACE_PACKET="$(pwd)/trace" git -C client \ fetch "file://$(pwd)/server" master && # Verify the assumption that the client needed to fetch the delta base # to resolve the delta. git -C server rev-parse HEAD~1^{tree} >hash && grep "want $(cat hash)" trace ' test_expect_success 'fetch lazy-fetches only to resolve deltas, protocol v2' ' setup_triangle && git -C server config --local protocol.version 2 && git -C client config --local protocol.version 2 && git -C promisor-remote config --local protocol.version 2 && # Exercise to make sure it works. Git will not fetch anything from the # promisor remote other than for the big blob (because it needs to # resolve the delta). GIT_TRACE_PACKET="$(pwd)/trace" git -C client \ fetch "file://$(pwd)/server" master && # Verify that protocol version 2 was used. grep "fetch< version 2" trace && # Verify the assumption that the client needed to fetch the delta base # to resolve the delta. git -C server rev-parse HEAD~1^{tree} >hash && grep "want $(cat hash)" trace ' test_expect_success 'fetch does not lazy-fetch missing targets of its refs' ' rm -rf server client trace && test_create_repo server && test_config -C server uploadpack.allowfilter 1 && test_config -C server uploadpack.allowanysha1inwant 1 && test_commit -C server foo && git clone --filter=blob:none "file://$(pwd)/server" client && # Make all refs point to nothing by deleting all objects. rm client/.git/objects/pack/* && test_commit -C server bar && GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch \ --no-tags --recurse-submodules=no \ origin refs/tags/bar && FOO_HASH=$(git -C server rev-parse foo) && ! grep "want $FOO_HASH" trace ' # The following two tests must be in this order. It is important that # the srv.bare repository did not have tags during clone, but has tags # in the fetch. test_expect_success 'verify fetch succeeds when asking for new tags' ' git clone --filter=blob:none "file://$(pwd)/srv.bare" tag-test && for i in I J K do test_commit -C src $i && git -C src branch $i || return 1 done && git -C srv.bare fetch --tags origin +refs/heads/*:refs/heads/* && git -C tag-test -c protocol.version=2 fetch --tags origin ' test_expect_success 'verify fetch downloads only one pack when updating refs' ' git clone --filter=blob:none "file://$(pwd)/srv.bare" pack-test && ls pack-test/.git/objects/pack/*pack >pack-list && test_line_count = 2 pack-list && for i in A B C do test_commit -C src $i && git -C src branch $i || return 1 done && git -C srv.bare fetch origin +refs/heads/*:refs/heads/* && git -C pack-test fetch origin && ls pack-test/.git/objects/pack/*pack >pack-list && test_line_count = 3 pack-list ' test_expect_success 'single-branch tag following respects partial clone' ' git clone --single-branch -b B --filter=blob:none \ "file://$(pwd)/srv.bare" single && git -C single rev-parse --verify refs/tags/B && git -C single rev-parse --verify refs/tags/A && test_must_fail git -C single rev-parse --verify refs/tags/C ' test_expect_success 'fetch from a partial clone, protocol v0' ' rm -rf server client trace && # Pretend that the server is a partial clone git init server && git -C server remote add a_remote "file://$(pwd)/" && test_config -C server core.repositoryformatversion 1 && test_config -C server extensions.partialclone a_remote && test_config -C server protocol.version 0 && test_commit -C server foo && # Fetch from the server git init client && test_config -C client protocol.version 0 && test_commit -C client bar && GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch "file://$(pwd)/server" && ! grep "version 2" trace ' test_expect_success 'fetch from a partial clone, protocol v2' ' rm -rf server client trace && # Pretend that the server is a partial clone git init server && git -C server remote add a_remote "file://$(pwd)/" && test_config -C server core.repositoryformatversion 1 && test_config -C server extensions.partialclone a_remote && test_config -C server protocol.version 2 && test_commit -C server foo && # Fetch from the server git init client && test_config -C client protocol.version 2 && test_commit -C client bar && GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch "file://$(pwd)/server" && grep "version 2" trace ' . "$TEST_DIRECTORY"/lib-httpd.sh start_httpd # Converts bytes into their hexadecimal representation. For example, # "printf 'ab\r\n' | hex_unpack" results in '61620d0a'. hex_unpack () { perl -e '$/ = undef; $input = <>; print unpack("H2" x length($input), $input)' } # Inserts $1 at the start of the string and every 2 characters thereafter. intersperse () { sed 's/\(..\)/'$1'\1/g' } # Create a one-time-perl command to replace the existing packfile with $1. replace_packfile () { # The protocol requires that the packfile be sent in sideband 1, hence # the extra \x01 byte at the beginning. cp $1 "$HTTPD_ROOT_PATH/one-time-pack" && echo 'if (/packfile/) { print; my $length = -s "one-time-pack"; printf "%04x\x01", $length + 5; print `cat one-time-pack` . "0000"; last }' >"$HTTPD_ROOT_PATH/one-time-perl" } test_expect_success 'upon cloning, check that all refs point to objects' ' SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && rm -rf "$SERVER" repo && test_create_repo "$SERVER" && test_commit -C "$SERVER" foo && test_config -C "$SERVER" uploadpack.allowfilter 1 && test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 && # Create a tag pointing to a blob. BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) && git -C "$SERVER" tag myblob "$BLOB" && # Craft a packfile not including that blob. git -C "$SERVER" rev-parse HEAD | git -C "$SERVER" pack-objects --stdout >incomplete.pack && # Replace the existing packfile with the crafted one. The protocol # requires that the packfile be sent in sideband 1, hence the extra # \x01 byte at the beginning. replace_packfile incomplete.pack && # Use protocol v2 because the perl command looks for the "packfile" # section header. test_config -C "$SERVER" protocol.version 2 && test_must_fail git -c protocol.version=2 clone \ --filter=blob:none $HTTPD_URL/one_time_perl/server repo 2>err && test_i18ngrep "did not send all necessary objects" err && # Ensure that the one-time-perl script was used. ! test -e "$HTTPD_ROOT_PATH/one-time-perl" ' test_expect_success 'when partial cloning, tolerate server not sending target of tag' ' SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && rm -rf "$SERVER" repo && test_create_repo "$SERVER" && test_commit -C "$SERVER" foo && test_config -C "$SERVER" uploadpack.allowfilter 1 && test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 && # Create an annotated tag pointing to a blob. BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) && git -C "$SERVER" tag -m message -a myblob "$BLOB" && # Craft a packfile including the tag, but not the blob it points to. # Also, omit objects referenced from HEAD in order to force a second # fetch (to fetch missing objects) upon the automatic checkout that # happens after a clone. printf "%s\n%s\n--not\n%s\n%s\n" \ $(git -C "$SERVER" rev-parse HEAD) \ $(git -C "$SERVER" rev-parse myblob) \ $(git -C "$SERVER" rev-parse HEAD^{tree}) \ $(git -C "$SERVER" rev-parse myblob^{blob}) | git -C "$SERVER" pack-objects --thin --stdout >incomplete.pack && # Replace the existing packfile with the crafted one. The protocol # requires that the packfile be sent in sideband 1, hence the extra # \x01 byte at the beginning. replace_packfile incomplete.pack && # Use protocol v2 because the perl command looks for the "packfile" # section header. test_config -C "$SERVER" protocol.version 2 && # Exercise to make sure it works. git -c protocol.version=2 clone \ --filter=blob:none $HTTPD_URL/one_time_perl/server repo 2> err && ! grep "missing object referenced by" err && # Ensure that the one-time-perl script was used. ! test -e "$HTTPD_ROOT_PATH/one-time-perl" ' test_expect_success 'tolerate server sending REF_DELTA against missing promisor objects' ' SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && rm -rf "$SERVER" repo && test_create_repo "$SERVER" && test_config -C "$SERVER" uploadpack.allowfilter 1 && test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 && # Create a commit with 2 blobs to be used as delta bases. for i in $(test_seq 10) do echo "this is a line" >>"$SERVER/foo.txt" && echo "this is another line" >>"$SERVER/have.txt" done && git -C "$SERVER" add foo.txt have.txt && git -C "$SERVER" commit -m bar && git -C "$SERVER" rev-parse HEAD:foo.txt >deltabase_missing && git -C "$SERVER" rev-parse HEAD:have.txt >deltabase_have && # Clone. The client has deltabase_have but not deltabase_missing. git -c protocol.version=2 clone --no-checkout \ --filter=blob:none $HTTPD_URL/one_time_perl/server repo && git -C repo hash-object -w -- "$SERVER/have.txt" && # Sanity check to ensure that the client does not have # deltabase_missing. git -C repo rev-list --objects --ignore-missing \ -- $(cat deltabase_missing) >objlist && test_line_count = 0 objlist && # Another commit. This commit will be fetched by the client. echo "abcdefghijklmnopqrstuvwxyz" >>"$SERVER/foo.txt" && echo "abcdefghijklmnopqrstuvwxyz" >>"$SERVER/have.txt" && git -C "$SERVER" add foo.txt have.txt && git -C "$SERVER" commit -m baz && # Pack a thin pack containing, among other things, HEAD:foo.txt # delta-ed against HEAD^:foo.txt and HEAD:have.txt delta-ed against # HEAD^:have.txt. printf "%s\n--not\n%s\n" \ $(git -C "$SERVER" rev-parse HEAD) \ $(git -C "$SERVER" rev-parse HEAD^) | git -C "$SERVER" pack-objects --thin --stdout >thin.pack && # Ensure that the pack contains one delta against HEAD^:foo.txt. Since # the delta contains at least 26 novel characters, the size cannot be # contained in 4 bits, so the object header will take up 2 bytes. The # most significant nybble of the first byte is 0b1111 (0b1 to indicate # that the header continues, and 0b111 to indicate REF_DELTA), followed # by any 3 nybbles, then the OID of the delta base. printf "f.,..%s" $(intersperse "," want && hex_unpack have && grep $(cat want) have && # Ensure that the pack contains one delta against HEAD^:have.txt, # similar to the above. printf "f.,..%s" $(intersperse "," want && hex_unpack have && grep $(cat want) have && replace_packfile thin.pack && # Use protocol v2 because the perl command looks for the "packfile" # section header. test_config -C "$SERVER" protocol.version 2 && # Fetch the thin pack and ensure that index-pack is able to handle the # REF_DELTA object with a missing promisor delta base. GIT_TRACE_PACKET="$(pwd)/trace" git -C repo -c protocol.version=2 fetch && # Ensure that the missing delta base was directly fetched, but not the # one that the client has. grep "want $(cat deltabase_missing)" trace && ! grep "want $(cat deltabase_have)" trace && # Ensure that the one-time-perl script was used. ! test -e "$HTTPD_ROOT_PATH/one-time-perl" ' # 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