| #!/bin/sh |
| |
| test_description='git partial clone' |
| |
| . ./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 <temp | sort >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 HEAD --quiet --objects --missing=print \ |
| | awk -f print_1.awk \ |
| | 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 extensions.partialclone)" = "origin" && |
| test "$(git -C pc1 config --local core.partialclonefilter)" = "blob:none" |
| ' |
| |
| # checkout master to force dynamic object fetch of blobs at HEAD. |
| test_expect_success 'verify checkout with dynamic object fetch' ' |
| git -C pc1 rev-list HEAD --quiet --objects --missing=print >observed && |
| test_line_count = 4 observed && |
| git -C pc1 checkout master && |
| git -C pc1 rev-list HEAD --quiet --objects --missing=print >observed && |
| test_line_count = 0 observed |
| ' |
| |
| # create new commits in "src" repo to establish a blame history on file.1.txt |
| # and push to "srv.bare". |
| test_expect_success 'push new commits to server' ' |
| git -C src remote add srv "file://$(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 master..origin/master --quiet --objects --missing=print >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 master..origin/master --quiet --objects --missing=print >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 master..origin/master --quiet --objects --missing=print >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 master..origin/master --quiet --objects --missing=print >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 $x" |
| done && |
| git -C src push -u srv master |
| ' |
| |
| # Do a partial fetch and then try to manually fetch the missing objects. |
| # This can be used as the basis of a pre-command hook to bulk fetch objects |
| # perhaps combined with a command in dry-run mode. |
| test_expect_success 'manual prefetch of missing objects' ' |
| git -C pc1 fetch --filter=blob:none origin && |
| git -C pc1 rev-list master..origin/master --quiet --objects --missing=print \ |
| | awk -f print_1.awk \ |
| | sed "s/?//" \ |
| | sort >observed.oids && |
| test_line_count = 6 observed.oids && |
| git -C pc1 fetch-pack --stdin "file://$(pwd)/srv.bare" <observed.oids && |
| git -C pc1 rev-list master..origin/master --quiet --objects --missing=print \ |
| | awk -f print_1.awk \ |
| | sed "s/?//" \ |
| | sort >observed.oids && |
| test_line_count = 0 observed.oids |
| ' |
| |
| 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 '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_DIRECTORY"/lib-httpd.sh |
| start_httpd |
| |
| # Converts bytes into a form suitable for inclusion in a sed command. For |
| # example, "printf 'ab\r\n' | hex_unpack" results in '\x61\x62\x0d\x0a'. |
| sed_escape () { |
| perl -e '$/ = undef; $input = <>; print unpack("H2" x length($input), $input)' | |
| sed 's/\(..\)/\\x\1/g' |
| } |
| |
| 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. |
| printf "1,/packfile/!c %04x\\\\x01%s0000" \ |
| "$(($(wc -c <incomplete.pack) + 5))" \ |
| "$(sed_escape <incomplete.pack)" \ |
| >"$HTTPD_ROOT_PATH/one-time-sed" && |
| |
| # Use protocol v2 because the sed 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 $HTTPD_URL/one_time_sed/server repo 2>err && |
| |
| grep "did not send all necessary objects" err && |
| |
| # Ensure that the one-time-sed script was used. |
| ! test -e "$HTTPD_ROOT_PATH/one-time-sed" |
| ' |
| |
| 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 "$SERVER" pack-objects --thin --stdout >incomplete.pack && |
| |
| # Replace the existing packfile with the crafted one. The protocol |
| # requires that the packfile be sent in sideband 1, hence the extra |
| # \x01 byte at the beginning. |
| printf "1,/packfile/!c %04x\\\\x01%s0000" \ |
| "$(($(wc -c <incomplete.pack) + 5))" \ |
| "$(sed_escape <incomplete.pack)" \ |
| >"$HTTPD_ROOT_PATH/one-time-sed" && |
| |
| # Use protocol v2 because the sed command looks for the "packfile" |
| # section header. |
| test_config -C "$SERVER" protocol.version 2 && |
| |
| # Exercise to make sure it works. |
| git -c protocol.version=2 clone \ |
| --filter=blob:none $HTTPD_URL/one_time_sed/server repo 2> err && |
| ! grep "missing object referenced by" err && |
| |
| # Ensure that the one-time-sed script was used. |
| ! test -e "$HTTPD_ROOT_PATH/one-time-sed" |
| ' |
| |
| stop_httpd |
| |
| test_done |