diff --git a/t/t5616-partial-clone.sh b/t/t5616-partial-clone.sh new file mode 100755 index 00000000000000..3b8cc0bba2d49e --- /dev/null +++ b/t/t5616-partial-clone.sh @@ -0,0 +1,96 @@ +#!/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 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 $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 +' + +test_done