2017-12-08 15:58:49 +00:00
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#!/bin/sh
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test_description='git partial clone'
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. ./test-lib.sh
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# create a normal "src" repo where we can later create new commits.
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# expect_1.oids will contain a list of the OIDs of all blobs.
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test_expect_success 'setup normal src repo' '
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echo "{print \$1}" >print_1.awk &&
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echo "{print \$2}" >print_2.awk &&
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git init src &&
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for n in 1 2 3 4
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do
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echo "This is file: $n" > src/file.$n.txt
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git -C src add file.$n.txt
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git -C src commit -m "file $n"
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git -C src ls-files -s file.$n.txt >>temp
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done &&
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awk -f print_2.awk <temp | sort >expect_1.oids &&
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test_line_count = 4 expect_1.oids
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'
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# bare clone "src" giving "srv.bare" for use as our server.
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test_expect_success 'setup bare clone for server' '
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git clone --bare "file://$(pwd)/src" srv.bare &&
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git -C srv.bare config --local uploadpack.allowfilter 1 &&
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git -C srv.bare config --local uploadpack.allowanysha1inwant 1
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'
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# do basic partial clone from "srv.bare"
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# confirm we are missing all of the known blobs.
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# confirm partial clone was registered in the local config.
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test_expect_success 'do partial clone 1' '
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git clone --no-checkout --filter=blob:none "file://$(pwd)/srv.bare" pc1 &&
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2018-10-05 21:54:03 +00:00
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print HEAD >revs &&
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2018-10-05 21:54:05 +00:00
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awk -f print_1.awk revs |
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2018-10-05 21:54:03 +00:00
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sed "s/?//" |
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sort >observed.oids &&
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2017-12-08 15:58:49 +00:00
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test_cmp expect_1.oids observed.oids &&
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test "$(git -C pc1 config --local core.repositoryformatversion)" = "1" &&
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test "$(git -C pc1 config --local extensions.partialclone)" = "origin" &&
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test "$(git -C pc1 config --local core.partialclonefilter)" = "blob:none"
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'
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# checkout master to force dynamic object fetch of blobs at HEAD.
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test_expect_success 'verify checkout with dynamic object fetch' '
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed &&
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2017-12-08 15:58:49 +00:00
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test_line_count = 4 observed &&
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git -C pc1 checkout master &&
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed &&
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2017-12-08 15:58:49 +00:00
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test_line_count = 0 observed
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'
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# create new commits in "src" repo to establish a blame history on file.1.txt
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# and push to "srv.bare".
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test_expect_success 'push new commits to server' '
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git -C src remote add srv "file://$(pwd)/srv.bare" &&
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for x in a b c d e
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do
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2017-12-08 15:58:50 +00:00
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echo "Mod file.1.txt $x" >>src/file.1.txt
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2017-12-08 15:58:49 +00:00
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git -C src add file.1.txt
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git -C src commit -m "mod $x"
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done &&
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git -C src blame master -- file.1.txt >expect.blame &&
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git -C src push -u srv master
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'
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# (partial) fetch in the partial clone repo from the promisor remote.
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# verify that fetch inherited the filter-spec from the config and DOES NOT
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# have the new blobs.
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test_expect_success 'partial fetch inherits filter settings' '
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git -C pc1 fetch origin &&
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print \
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master..origin/master >observed &&
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2017-12-08 15:58:49 +00:00
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test_line_count = 5 observed
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'
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# force dynamic object fetch using diff.
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# we should only get 1 new blob (for the file in origin/master).
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test_expect_success 'verify diff causes dynamic object fetch' '
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git -C pc1 diff master..origin/master -- file.1.txt &&
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print \
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master..origin/master >observed &&
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2017-12-08 15:58:49 +00:00
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test_line_count = 4 observed
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'
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# force full dynamic object fetch of the file's history using blame.
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# we should get the intermediate blobs for the file.
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test_expect_success 'verify blame causes dynamic object fetch' '
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git -C pc1 blame origin/master -- file.1.txt >observed.blame &&
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test_cmp expect.blame observed.blame &&
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print \
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master..origin/master >observed &&
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2017-12-08 15:58:49 +00:00
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test_line_count = 0 observed
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'
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2017-12-08 15:58:50 +00:00
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# create new commits in "src" repo to establish a history on file.2.txt
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# and push to "srv.bare".
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test_expect_success 'push new commits to server for file.2.txt' '
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for x in a b c d e f
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do
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echo "Mod file.2.txt $x" >>src/file.2.txt
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git -C src add file.2.txt
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git -C src commit -m "mod $x"
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done &&
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git -C src push -u srv master
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'
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2017-12-08 15:58:51 +00:00
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# Do FULL fetch by disabling inherited filter-spec using --no-filter.
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2017-12-08 15:58:50 +00:00
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# Verify we have all the new blobs.
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test_expect_success 'override inherited filter-spec using --no-filter' '
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git -C pc1 fetch --no-filter origin &&
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print \
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master..origin/master >observed &&
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2017-12-08 15:58:50 +00:00
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test_line_count = 0 observed
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'
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2017-12-08 15:58:51 +00:00
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# create new commits in "src" repo to establish a history on file.3.txt
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# and push to "srv.bare".
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test_expect_success 'push new commits to server for file.3.txt' '
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for x in a b c d e f
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do
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echo "Mod file.3.txt $x" >>src/file.3.txt
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git -C src add file.3.txt
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git -C src commit -m "mod $x"
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done &&
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git -C src push -u srv master
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'
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# Do a partial fetch and then try to manually fetch the missing objects.
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# This can be used as the basis of a pre-command hook to bulk fetch objects
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# perhaps combined with a command in dry-run mode.
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test_expect_success 'manual prefetch of missing objects' '
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git -C pc1 fetch --filter=blob:none origin &&
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2018-10-05 21:54:03 +00:00
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print \
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master..origin/master >revs &&
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2018-10-05 21:54:05 +00:00
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awk -f print_1.awk revs |
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2018-10-05 21:54:03 +00:00
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sed "s/?//" |
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sort >observed.oids &&
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2017-12-08 15:58:51 +00:00
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test_line_count = 6 observed.oids &&
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git -C pc1 fetch-pack --stdin "file://$(pwd)/srv.bare" <observed.oids &&
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2018-10-05 21:54:03 +00:00
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2018-10-05 21:54:07 +00:00
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git -C pc1 rev-list --quiet --objects --missing=print \
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master..origin/master >revs &&
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2018-10-05 21:54:05 +00:00
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awk -f print_1.awk revs |
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2018-10-05 21:54:03 +00:00
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sed "s/?//" |
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sort >observed.oids &&
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2017-12-08 15:58:51 +00:00
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test_line_count = 0 observed.oids
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'
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2018-03-14 18:42:41 +00:00
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test_expect_success 'partial clone with transfer.fsckobjects=1 uses index-pack --fsck-objects' '
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git init src &&
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test_commit -C src x &&
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test_config -C src uploadpack.allowfilter 1 &&
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test_config -C src uploadpack.allowanysha1inwant 1 &&
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GIT_TRACE="$(pwd)/trace" git -c transfer.fsckobjects=1 \
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clone --filter="blob:none" "file://$(pwd)/src" dst &&
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grep "git index-pack.*--fsck-objects" trace
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'
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2018-10-05 21:31:27 +00:00
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test_expect_success 'use fsck before and after manually fetching a missing subtree' '
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# push new commit so server has a subtree
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mkdir src/dir &&
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echo "in dir" >src/dir/file.txt &&
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git -C src add dir/file.txt &&
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git -C src commit -m "file in dir" &&
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git -C src push -u srv master &&
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SUBTREE=$(git -C src rev-parse HEAD:dir) &&
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rm -rf dst &&
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git clone --no-checkout --filter=tree:0 "file://$(pwd)/srv.bare" dst &&
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git -C dst fsck &&
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# Make sure we only have commits, and all trees and blobs are missing.
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git -C dst rev-list --missing=allow-any --objects master \
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>fetched_objects &&
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awk -f print_1.awk fetched_objects |
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xargs -n1 git -C dst cat-file -t >fetched_types &&
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sort -u fetched_types >unique_types.observed &&
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echo commit >unique_types.expected &&
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test_cmp unique_types.expected unique_types.observed &&
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# Auto-fetch a tree with cat-file.
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git -C dst cat-file -p $SUBTREE >tree_contents &&
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grep file.txt tree_contents &&
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# fsck still works after an auto-fetch of a tree.
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git -C dst fsck &&
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# Auto-fetch all remaining trees and blobs with --missing=error
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git -C dst rev-list --missing=error --objects master >fetched_objects &&
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test_line_count = 70 fetched_objects &&
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awk -f print_1.awk fetched_objects |
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xargs -n1 git -C dst cat-file -t >fetched_types &&
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sort -u fetched_types >unique_types.observed &&
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2018-10-12 20:01:41 +00:00
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test_write_lines blob commit tree >unique_types.expected &&
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2018-10-05 21:31:27 +00:00
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test_cmp unique_types.expected unique_types.observed
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'
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2018-07-06 19:34:09 +00:00
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test_expect_success 'partial clone fetches blobs pointed to by refs even if normally filtered out' '
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rm -rf src dst &&
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git init src &&
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test_commit -C src x &&
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test_config -C src uploadpack.allowfilter 1 &&
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test_config -C src uploadpack.allowanysha1inwant 1 &&
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# Create a tag pointing to a blob.
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BLOB=$(echo blob-contents | git -C src hash-object --stdin -w) &&
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git -C src tag myblob "$BLOB" &&
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git clone --filter="blob:none" "file://$(pwd)/src" dst 2>err &&
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! grep "does not point to a valid object" err &&
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git -C dst fsck
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'
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2018-09-21 18:22:38 +00:00
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test_expect_success 'fetch what is specified on CLI even if already promised' '
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rm -rf src dst.git &&
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git init src &&
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test_commit -C src foo &&
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test_config -C src uploadpack.allowfilter 1 &&
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test_config -C src uploadpack.allowanysha1inwant 1 &&
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git hash-object --stdin <src/foo.t >blob &&
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git clone --bare --filter=blob:none "file://$(pwd)/src" dst.git &&
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git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_before &&
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grep "?$(cat blob)" missing_before &&
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git -C dst.git fetch origin $(cat blob) &&
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git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_after &&
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! grep "?$(cat blob)" missing_after
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'
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2018-07-06 19:34:10 +00:00
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. "$TEST_DIRECTORY"/lib-httpd.sh
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start_httpd
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# Converts bytes into a form suitable for inclusion in a sed command. For
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# example, "printf 'ab\r\n' | hex_unpack" results in '\x61\x62\x0d\x0a'.
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sed_escape () {
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perl -e '$/ = undef; $input = <>; print unpack("H2" x length($input), $input)' |
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sed 's/\(..\)/\\x\1/g'
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}
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test_expect_success 'upon cloning, check that all refs point to objects' '
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SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
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rm -rf "$SERVER" repo &&
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test_create_repo "$SERVER" &&
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test_commit -C "$SERVER" foo &&
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test_config -C "$SERVER" uploadpack.allowfilter 1 &&
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test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
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# Create a tag pointing to a blob.
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BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
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git -C "$SERVER" tag myblob "$BLOB" &&
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# Craft a packfile not including that blob.
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git -C "$SERVER" rev-parse HEAD |
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2018-10-05 21:54:03 +00:00
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git -C "$SERVER" pack-objects --stdout >incomplete.pack &&
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2018-07-06 19:34:10 +00:00
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# Replace the existing packfile with the crafted one. The protocol
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# requires that the packfile be sent in sideband 1, hence the extra
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# \x01 byte at the beginning.
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printf "1,/packfile/!c %04x\\\\x01%s0000" \
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"$(($(wc -c <incomplete.pack) + 5))" \
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"$(sed_escape <incomplete.pack)" \
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>"$HTTPD_ROOT_PATH/one-time-sed" &&
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# Use protocol v2 because the sed command looks for the "packfile"
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# section header.
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test_config -C "$SERVER" protocol.version 2 &&
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test_must_fail git -c protocol.version=2 clone \
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--filter=blob:none $HTTPD_URL/one_time_sed/server repo 2>err &&
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2019-01-04 21:33:31 +00:00
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test_i18ngrep "did not send all necessary objects" err &&
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2018-07-06 19:34:10 +00:00
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# Ensure that the one-time-sed script was used.
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! test -e "$HTTPD_ROOT_PATH/one-time-sed"
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'
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2018-07-13 00:03:06 +00:00
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test_expect_success 'when partial cloning, tolerate server not sending target of tag' '
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SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
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rm -rf "$SERVER" repo &&
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test_create_repo "$SERVER" &&
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test_commit -C "$SERVER" foo &&
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test_config -C "$SERVER" uploadpack.allowfilter 1 &&
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test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
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# Create an annotated tag pointing to a blob.
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BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
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git -C "$SERVER" tag -m message -a myblob "$BLOB" &&
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# Craft a packfile including the tag, but not the blob it points to.
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2018-07-13 00:03:07 +00:00
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# Also, omit objects referenced from HEAD in order to force a second
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# fetch (to fetch missing objects) upon the automatic checkout that
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# happens after a clone.
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printf "%s\n%s\n--not\n%s\n%s\n" \
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2018-07-13 00:03:06 +00:00
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$(git -C "$SERVER" rev-parse HEAD) \
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$(git -C "$SERVER" rev-parse myblob) \
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2018-07-13 00:03:07 +00:00
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$(git -C "$SERVER" rev-parse HEAD^{tree}) \
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2018-07-13 00:03:06 +00:00
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|
$(git -C "$SERVER" rev-parse myblob^{blob}) |
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|
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git -C "$SERVER" pack-objects --thin --stdout >incomplete.pack &&
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# Replace the existing packfile with the crafted one. The protocol
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|
|
# requires that the packfile be sent in sideband 1, hence the extra
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|
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# \x01 byte at the beginning.
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|
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printf "1,/packfile/!c %04x\\\\x01%s0000" \
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|
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"$(($(wc -c <incomplete.pack) + 5))" \
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|
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"$(sed_escape <incomplete.pack)" \
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|
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>"$HTTPD_ROOT_PATH/one-time-sed" &&
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|
# Use protocol v2 because the sed command looks for the "packfile"
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|
|
# section header.
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|
|
test_config -C "$SERVER" protocol.version 2 &&
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|
|
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|
|
# Exercise to make sure it works.
|
|
|
|
git -c protocol.version=2 clone \
|
2018-07-13 00:03:07 +00:00
|
|
|
--filter=blob:none $HTTPD_URL/one_time_sed/server repo 2> err &&
|
|
|
|
! grep "missing object referenced by" err &&
|
2018-07-13 00:03:06 +00:00
|
|
|
|
|
|
|
# Ensure that the one-time-sed script was used.
|
|
|
|
! test -e "$HTTPD_ROOT_PATH/one-time-sed"
|
|
|
|
'
|
|
|
|
|
2018-07-06 19:34:10 +00:00
|
|
|
stop_httpd
|
|
|
|
|
2017-12-08 15:58:49 +00:00
|
|
|
test_done
|