3 test_description='git partial clone'
7 # create a normal "src" repo where we can later create new commits.
8 # expect_1.oids will contain a list of the OIDs of all blobs.
9 test_expect_success 'setup normal src repo' '
10 echo "{print \$1}" >print_1.awk &&
11 echo "{print \$2}" >print_2.awk &&
16 echo "This is file: $n" > src/file.$n.txt
17 git -C src add file.$n.txt
18 git -C src commit -m "file $n"
19 git -C src ls-files -s file.$n.txt >>temp
21 awk -f print_2.awk <temp | sort >expect_1.oids &&
22 test_line_count = 4 expect_1.oids
25 # bare clone "src" giving "srv.bare" for use as our server.
26 test_expect_success 'setup bare clone for server' '
27 git clone --bare "file://$(pwd)/src" srv.bare &&
28 git -C srv.bare config --local uploadpack.allowfilter 1 &&
29 git -C srv.bare config --local uploadpack.allowanysha1inwant 1
32 # do basic partial clone from "srv.bare"
33 # confirm we are missing all of the known blobs.
34 # confirm partial clone was registered in the local config.
35 test_expect_success 'do partial clone 1' '
36 git clone --no-checkout --filter=blob:none "file://$(pwd)/srv.bare" pc1 &&
38 git -C pc1 rev-list --quiet --objects --missing=print HEAD >revs &&
39 awk -f print_1.awk revs |
41 sort >observed.oids &&
43 test_cmp expect_1.oids observed.oids &&
44 test "$(git -C pc1 config --local core.repositoryformatversion)" = "1" &&
45 test "$(git -C pc1 config --local remote.origin.promisor)" = "true" &&
46 test "$(git -C pc1 config --local remote.origin.partialclonefilter)" = "blob:none"
49 test_expect_success 'verify that .promisor file contains refs fetched' '
50 ls pc1/.git/objects/pack/pack-*.promisor >promisorlist &&
51 test_line_count = 1 promisorlist &&
52 git -C srv.bare rev-parse --verify HEAD >headhash &&
53 grep "$(cat headhash) HEAD" $(cat promisorlist) &&
54 grep "$(cat headhash) refs/heads/master" $(cat promisorlist)
57 # checkout master to force dynamic object fetch of blobs at HEAD.
58 test_expect_success 'verify checkout with dynamic object fetch' '
59 git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed &&
60 test_line_count = 4 observed &&
61 git -C pc1 checkout master &&
62 git -C pc1 rev-list --quiet --objects --missing=print HEAD >observed &&
63 test_line_count = 0 observed
66 # create new commits in "src" repo to establish a blame history on file.1.txt
67 # and push to "srv.bare".
68 test_expect_success 'push new commits to server' '
69 git -C src remote add srv "file://$(pwd)/srv.bare" &&
72 echo "Mod file.1.txt $x" >>src/file.1.txt
73 git -C src add file.1.txt
74 git -C src commit -m "mod $x"
76 git -C src blame master -- file.1.txt >expect.blame &&
77 git -C src push -u srv master
80 # (partial) fetch in the partial clone repo from the promisor remote.
81 # verify that fetch inherited the filter-spec from the config and DOES NOT
83 test_expect_success 'partial fetch inherits filter settings' '
84 git -C pc1 fetch origin &&
85 git -C pc1 rev-list --quiet --objects --missing=print \
86 master..origin/master >observed &&
87 test_line_count = 5 observed
90 # force dynamic object fetch using diff.
91 # we should only get 1 new blob (for the file in origin/master).
92 test_expect_success 'verify diff causes dynamic object fetch' '
93 git -C pc1 diff master..origin/master -- file.1.txt &&
94 git -C pc1 rev-list --quiet --objects --missing=print \
95 master..origin/master >observed &&
96 test_line_count = 4 observed
99 # force full dynamic object fetch of the file's history using blame.
100 # we should get the intermediate blobs for the file.
101 test_expect_success 'verify blame causes dynamic object fetch' '
102 git -C pc1 blame origin/master -- file.1.txt >observed.blame &&
103 test_cmp expect.blame observed.blame &&
104 git -C pc1 rev-list --quiet --objects --missing=print \
105 master..origin/master >observed &&
106 test_line_count = 0 observed
109 # create new commits in "src" repo to establish a history on file.2.txt
110 # and push to "srv.bare".
111 test_expect_success 'push new commits to server for file.2.txt' '
114 echo "Mod file.2.txt $x" >>src/file.2.txt
115 git -C src add file.2.txt
116 git -C src commit -m "mod $x"
118 git -C src push -u srv master
121 # Do FULL fetch by disabling inherited filter-spec using --no-filter.
122 # Verify we have all the new blobs.
123 test_expect_success 'override inherited filter-spec using --no-filter' '
124 git -C pc1 fetch --no-filter origin &&
125 git -C pc1 rev-list --quiet --objects --missing=print \
126 master..origin/master >observed &&
127 test_line_count = 0 observed
130 # create new commits in "src" repo to establish a history on file.3.txt
131 # and push to "srv.bare".
132 test_expect_success 'push new commits to server for file.3.txt' '
135 echo "Mod file.3.txt $x" >>src/file.3.txt
136 git -C src add file.3.txt
137 git -C src commit -m "mod $x"
139 git -C src push -u srv master
142 # Do a partial fetch and then try to manually fetch the missing objects.
143 # This can be used as the basis of a pre-command hook to bulk fetch objects
144 # perhaps combined with a command in dry-run mode.
145 test_expect_success 'manual prefetch of missing objects' '
146 git -C pc1 fetch --filter=blob:none origin &&
148 git -C pc1 rev-list --quiet --objects --missing=print \
149 master..origin/master >revs &&
150 awk -f print_1.awk revs |
152 sort >observed.oids &&
154 test_line_count = 6 observed.oids &&
155 git -C pc1 fetch-pack --stdin "file://$(pwd)/srv.bare" <observed.oids &&
157 git -C pc1 rev-list --quiet --objects --missing=print \
158 master..origin/master >revs &&
159 awk -f print_1.awk revs |
161 sort >observed.oids &&
163 test_line_count = 0 observed.oids
166 test_expect_success 'partial clone with transfer.fsckobjects=1 uses index-pack --fsck-objects' '
168 test_commit -C src x &&
169 test_config -C src uploadpack.allowfilter 1 &&
170 test_config -C src uploadpack.allowanysha1inwant 1 &&
172 GIT_TRACE="$(pwd)/trace" git -c transfer.fsckobjects=1 \
173 clone --filter="blob:none" "file://$(pwd)/src" dst &&
174 grep "git index-pack.*--fsck-objects" trace
177 test_expect_success 'use fsck before and after manually fetching a missing subtree' '
178 # push new commit so server has a subtree
180 echo "in dir" >src/dir/file.txt &&
181 git -C src add dir/file.txt &&
182 git -C src commit -m "file in dir" &&
183 git -C src push -u srv master &&
184 SUBTREE=$(git -C src rev-parse HEAD:dir) &&
187 git clone --no-checkout --filter=tree:0 "file://$(pwd)/srv.bare" dst &&
190 # Make sure we only have commits, and all trees and blobs are missing.
191 git -C dst rev-list --missing=allow-any --objects master \
193 awk -f print_1.awk fetched_objects |
194 xargs -n1 git -C dst cat-file -t >fetched_types &&
196 sort -u fetched_types >unique_types.observed &&
197 echo commit >unique_types.expected &&
198 test_cmp unique_types.expected unique_types.observed &&
200 # Auto-fetch a tree with cat-file.
201 git -C dst cat-file -p $SUBTREE >tree_contents &&
202 grep file.txt tree_contents &&
204 # fsck still works after an auto-fetch of a tree.
207 # Auto-fetch all remaining trees and blobs with --missing=error
208 git -C dst rev-list --missing=error --objects master >fetched_objects &&
209 test_line_count = 70 fetched_objects &&
211 awk -f print_1.awk fetched_objects |
212 xargs -n1 git -C dst cat-file -t >fetched_types &&
214 sort -u fetched_types >unique_types.observed &&
215 test_write_lines blob commit tree >unique_types.expected &&
216 test_cmp unique_types.expected unique_types.observed
219 test_expect_success 'implicitly construct combine: filter with repeated flags' '
220 GIT_TRACE=$(pwd)/trace git clone --bare \
221 --filter=blob:none --filter=tree:1 \
222 "file://$(pwd)/srv.bare" pc2 &&
223 grep "trace:.* git pack-objects .*--filter=combine:blob:none+tree:1" \
225 git -C pc2 rev-list --objects --missing=allow-any HEAD >objects &&
227 # We should have gotten some root trees.
229 # Should not have gotten any non-root trees or blobs.
230 ! grep " ." objects &&
232 xargs -n 1 git -C pc2 cat-file -t <objects >types &&
233 sort -u types >unique_types.actual &&
234 test_write_lines commit tree >unique_types.expected &&
235 test_cmp unique_types.expected unique_types.actual
238 test_expect_success 'upload-pack fails banned object filters' '
239 test_config -C srv.bare uploadpackfilter.blob:none.allow false &&
240 test_must_fail ok=sigpipe git clone --no-checkout --filter=blob:none \
241 "file://$(pwd)/srv.bare" pc3 2>err &&
242 test_i18ngrep "filter '\''blob:none'\'' not supported" err
245 test_expect_success 'upload-pack fails banned combine object filters' '
246 test_config -C srv.bare uploadpackfilter.allow false &&
247 test_config -C srv.bare uploadpackfilter.combine.allow true &&
248 test_config -C srv.bare uploadpackfilter.tree.allow true &&
249 test_config -C srv.bare uploadpackfilter.blob:none.allow false &&
250 test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:1 \
251 --filter=blob:none "file://$(pwd)/srv.bare" pc3 2>err &&
252 test_i18ngrep "filter '\''blob:none'\'' not supported" err
255 test_expect_success 'upload-pack fails banned object filters with fallback' '
256 test_config -C srv.bare uploadpackfilter.allow false &&
257 test_must_fail ok=sigpipe git clone --no-checkout --filter=blob:none \
258 "file://$(pwd)/srv.bare" pc3 2>err &&
259 test_i18ngrep "filter '\''blob:none'\'' not supported" err
262 test_expect_success 'upload-pack limits tree depth filters' '
263 test_config -C srv.bare uploadpackfilter.allow false &&
264 test_config -C srv.bare uploadpackfilter.tree.allow true &&
265 test_config -C srv.bare uploadpackfilter.tree.maxDepth 0 &&
266 test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:1 \
267 "file://$(pwd)/srv.bare" pc3 2>err &&
268 test_i18ngrep "tree filter allows max depth 0, but got 1" err
271 test_expect_success 'partial clone fetches blobs pointed to by refs even if normally filtered out' '
274 test_commit -C src x &&
275 test_config -C src uploadpack.allowfilter 1 &&
276 test_config -C src uploadpack.allowanysha1inwant 1 &&
278 # Create a tag pointing to a blob.
279 BLOB=$(echo blob-contents | git -C src hash-object --stdin -w) &&
280 git -C src tag myblob "$BLOB" &&
282 git clone --filter="blob:none" "file://$(pwd)/src" dst 2>err &&
283 ! grep "does not point to a valid object" err &&
287 test_expect_success 'fetch what is specified on CLI even if already promised' '
288 rm -rf src dst.git &&
290 test_commit -C src foo &&
291 test_config -C src uploadpack.allowfilter 1 &&
292 test_config -C src uploadpack.allowanysha1inwant 1 &&
294 git hash-object --stdin <src/foo.t >blob &&
296 git clone --bare --filter=blob:none "file://$(pwd)/src" dst.git &&
297 git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_before &&
298 grep "?$(cat blob)" missing_before &&
299 git -C dst.git fetch origin $(cat blob) &&
300 git -C dst.git rev-list --objects --quiet --missing=print HEAD >missing_after &&
301 ! grep "?$(cat blob)" missing_after
304 test_expect_success 'setup src repo for sparse filter' '
305 git init sparse-src &&
306 git -C sparse-src config --local uploadpack.allowfilter 1 &&
307 git -C sparse-src config --local uploadpack.allowanysha1inwant 1 &&
308 test_commit -C sparse-src one &&
309 test_commit -C sparse-src two &&
310 echo /one.t >sparse-src/only-one &&
311 git -C sparse-src add . &&
312 git -C sparse-src commit -m "add sparse checkout files"
315 test_expect_success 'partial clone with sparse filter succeeds' '
317 git clone --no-local --bare \
318 --filter=sparse:oid=master:only-one \
319 sparse-src dst.git &&
322 git rev-list --objects --missing=print HEAD >out &&
323 grep "^$(git rev-parse HEAD:one.t)" out &&
324 grep "^?$(git rev-parse HEAD:two.t)" out
328 test_expect_success 'partial clone with unresolvable sparse filter fails cleanly' '
330 test_must_fail git clone --no-local --bare \
331 --filter=sparse:oid=master:no-such-name \
332 sparse-src dst.git 2>err &&
333 test_i18ngrep "unable to access sparse blob in .master:no-such-name" err &&
334 test_must_fail git clone --no-local --bare \
335 --filter=sparse:oid=master \
336 sparse-src dst.git 2>err &&
337 test_i18ngrep "unable to parse sparse filter data in" err
341 rm -rf big-blob.txt server client promisor-remote &&
343 printf "line %d\n" $(test_seq 1 100) >big-blob.txt &&
345 # Create a server with 2 commits: a commit with a big tree and a child
346 # commit with an incremental change. Also, create a partial clone
347 # client that only contains the first commit.
349 git -C server config --local uploadpack.allowfilter 1 &&
350 for i in $(test_seq 1 100)
352 echo "make the tree big" >server/file$i &&
353 git -C server add file$i
355 git -C server commit -m "initial" &&
356 git clone --bare --filter=tree:0 "file://$(pwd)/server" client &&
357 echo another line >>server/file1 &&
358 git -C server commit -am "incremental change" &&
360 # Create a promisor remote that only contains the tree and blob from
362 git init promisor-remote &&
363 git -C server config --local uploadpack.allowanysha1inwant 1 &&
364 TREE_HASH=$(git -C server rev-parse HEAD~1^{tree}) &&
365 git -C promisor-remote fetch --keep "file://$(pwd)/server" "$TREE_HASH" &&
366 git -C promisor-remote count-objects -v >object-count &&
367 test_i18ngrep "count: 0" object-count &&
368 test_i18ngrep "in-pack: 2" object-count &&
370 # Set it as the promisor remote of client. Thus, whenever
371 # the client lazy fetches, the lazy fetch will succeed only if it is
372 # for this tree or blob.
373 test_commit -C promisor-remote one && # so that ref advertisement is not empty
374 git -C promisor-remote config --local uploadpack.allowanysha1inwant 1 &&
375 git -C client remote set-url origin "file://$(pwd)/promisor-remote"
378 # NEEDSWORK: The tests beginning with "fetch lazy-fetches" below only
379 # test that "fetch" avoid fetching trees and blobs, but not commits or
380 # tags. Revisit this if Git is ever taught to support partial clones
381 # with commits and/or tags filtered out.
383 test_expect_success 'fetch lazy-fetches only to resolve deltas' '
386 # Exercise to make sure it works. Git will not fetch anything from the
387 # promisor remote other than for the big tree (because it needs to
388 # resolve the delta).
389 GIT_TRACE_PACKET="$(pwd)/trace" git -C client \
390 fetch "file://$(pwd)/server" master &&
392 # Verify the assumption that the client needed to fetch the delta base
393 # to resolve the delta.
394 git -C server rev-parse HEAD~1^{tree} >hash &&
395 grep "want $(cat hash)" trace
398 test_expect_success 'fetch lazy-fetches only to resolve deltas, protocol v2' '
401 git -C server config --local protocol.version 2 &&
402 git -C client config --local protocol.version 2 &&
403 git -C promisor-remote config --local protocol.version 2 &&
405 # Exercise to make sure it works. Git will not fetch anything from the
406 # promisor remote other than for the big blob (because it needs to
407 # resolve the delta).
408 GIT_TRACE_PACKET="$(pwd)/trace" git -C client \
409 fetch "file://$(pwd)/server" master &&
411 # Verify that protocol version 2 was used.
412 grep "fetch< version 2" trace &&
414 # Verify the assumption that the client needed to fetch the delta base
415 # to resolve the delta.
416 git -C server rev-parse HEAD~1^{tree} >hash &&
417 grep "want $(cat hash)" trace
420 # The following two tests must be in this order. It is important that
421 # the srv.bare repository did not have tags during clone, but has tags
424 test_expect_success 'verify fetch succeeds when asking for new tags' '
425 git clone --filter=blob:none "file://$(pwd)/srv.bare" tag-test &&
428 test_commit -C src $i &&
429 git -C src branch $i || return 1
431 git -C srv.bare fetch --tags origin +refs/heads/*:refs/heads/* &&
432 git -C tag-test -c protocol.version=2 fetch --tags origin
435 test_expect_success 'verify fetch downloads only one pack when updating refs' '
436 git clone --filter=blob:none "file://$(pwd)/srv.bare" pack-test &&
437 ls pack-test/.git/objects/pack/*pack >pack-list &&
438 test_line_count = 2 pack-list &&
441 test_commit -C src $i &&
442 git -C src branch $i || return 1
444 git -C srv.bare fetch origin +refs/heads/*:refs/heads/* &&
445 git -C pack-test fetch origin &&
446 ls pack-test/.git/objects/pack/*pack >pack-list &&
447 test_line_count = 3 pack-list
450 test_expect_success 'single-branch tag following respects partial clone' '
451 git clone --single-branch -b B --filter=blob:none \
452 "file://$(pwd)/srv.bare" single &&
453 git -C single rev-parse --verify refs/tags/B &&
454 git -C single rev-parse --verify refs/tags/A &&
455 test_must_fail git -C single rev-parse --verify refs/tags/C
458 test_expect_success 'fetch from a partial clone, protocol v0' '
459 rm -rf server client trace &&
461 # Pretend that the server is a partial clone
463 git -C server remote add a_remote "file://$(pwd)/" &&
464 test_config -C server core.repositoryformatversion 1 &&
465 test_config -C server extensions.partialclone a_remote &&
466 test_config -C server protocol.version 0 &&
467 test_commit -C server foo &&
469 # Fetch from the server
471 test_config -C client protocol.version 0 &&
472 test_commit -C client bar &&
473 GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch "file://$(pwd)/server" &&
474 ! grep "version 2" trace
477 test_expect_success 'fetch from a partial clone, protocol v2' '
478 rm -rf server client trace &&
480 # Pretend that the server is a partial clone
482 git -C server remote add a_remote "file://$(pwd)/" &&
483 test_config -C server core.repositoryformatversion 1 &&
484 test_config -C server extensions.partialclone a_remote &&
485 test_config -C server protocol.version 2 &&
486 test_commit -C server foo &&
488 # Fetch from the server
490 test_config -C client protocol.version 2 &&
491 test_commit -C client bar &&
492 GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch "file://$(pwd)/server" &&
493 grep "version 2" trace
496 . "$TEST_DIRECTORY"/lib-httpd.sh
499 # Converts bytes into their hexadecimal representation. For example,
500 # "printf 'ab\r\n' | hex_unpack" results in '61620d0a'.
502 perl -e '$/ = undef; $input = <>; print unpack("H2" x length($input), $input)'
505 # Inserts $1 at the start of the string and every 2 characters thereafter.
507 sed 's/\(..\)/'$1'\1/g'
510 # Create a one-time-perl command to replace the existing packfile with $1.
511 replace_packfile () {
512 # The protocol requires that the packfile be sent in sideband 1, hence
513 # the extra \x01 byte at the beginning.
514 cp $1 "$HTTPD_ROOT_PATH/one-time-pack" &&
515 echo 'if (/packfile/) {
517 my $length = -s "one-time-pack";
518 printf "%04x\x01", $length + 5;
519 print `cat one-time-pack` . "0000";
521 }' >"$HTTPD_ROOT_PATH/one-time-perl"
524 test_expect_success 'upon cloning, check that all refs point to objects' '
525 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
526 rm -rf "$SERVER" repo &&
527 test_create_repo "$SERVER" &&
528 test_commit -C "$SERVER" foo &&
529 test_config -C "$SERVER" uploadpack.allowfilter 1 &&
530 test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
532 # Create a tag pointing to a blob.
533 BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
534 git -C "$SERVER" tag myblob "$BLOB" &&
536 # Craft a packfile not including that blob.
537 git -C "$SERVER" rev-parse HEAD |
538 git -C "$SERVER" pack-objects --stdout >incomplete.pack &&
540 # Replace the existing packfile with the crafted one. The protocol
541 # requires that the packfile be sent in sideband 1, hence the extra
542 # \x01 byte at the beginning.
543 replace_packfile incomplete.pack &&
545 # Use protocol v2 because the perl command looks for the "packfile"
547 test_config -C "$SERVER" protocol.version 2 &&
548 test_must_fail git -c protocol.version=2 clone \
549 --filter=blob:none $HTTPD_URL/one_time_perl/server repo 2>err &&
551 test_i18ngrep "did not send all necessary objects" err &&
553 # Ensure that the one-time-perl script was used.
554 ! test -e "$HTTPD_ROOT_PATH/one-time-perl"
557 test_expect_success 'when partial cloning, tolerate server not sending target of tag' '
558 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
559 rm -rf "$SERVER" repo &&
560 test_create_repo "$SERVER" &&
561 test_commit -C "$SERVER" foo &&
562 test_config -C "$SERVER" uploadpack.allowfilter 1 &&
563 test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
565 # Create an annotated tag pointing to a blob.
566 BLOB=$(echo blob-contents | git -C "$SERVER" hash-object --stdin -w) &&
567 git -C "$SERVER" tag -m message -a myblob "$BLOB" &&
569 # Craft a packfile including the tag, but not the blob it points to.
570 # Also, omit objects referenced from HEAD in order to force a second
571 # fetch (to fetch missing objects) upon the automatic checkout that
572 # happens after a clone.
573 printf "%s\n%s\n--not\n%s\n%s\n" \
574 $(git -C "$SERVER" rev-parse HEAD) \
575 $(git -C "$SERVER" rev-parse myblob) \
576 $(git -C "$SERVER" rev-parse HEAD^{tree}) \
577 $(git -C "$SERVER" rev-parse myblob^{blob}) |
578 git -C "$SERVER" pack-objects --thin --stdout >incomplete.pack &&
580 # Replace the existing packfile with the crafted one. The protocol
581 # requires that the packfile be sent in sideband 1, hence the extra
582 # \x01 byte at the beginning.
583 replace_packfile incomplete.pack &&
585 # Use protocol v2 because the perl command looks for the "packfile"
587 test_config -C "$SERVER" protocol.version 2 &&
589 # Exercise to make sure it works.
590 git -c protocol.version=2 clone \
591 --filter=blob:none $HTTPD_URL/one_time_perl/server repo 2> err &&
592 ! grep "missing object referenced by" err &&
594 # Ensure that the one-time-perl script was used.
595 ! test -e "$HTTPD_ROOT_PATH/one-time-perl"
598 test_expect_success 'tolerate server sending REF_DELTA against missing promisor objects' '
599 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
600 rm -rf "$SERVER" repo &&
601 test_create_repo "$SERVER" &&
602 test_config -C "$SERVER" uploadpack.allowfilter 1 &&
603 test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 &&
605 # Create a commit with 2 blobs to be used as delta bases.
606 for i in $(test_seq 10)
608 echo "this is a line" >>"$SERVER/foo.txt" &&
609 echo "this is another line" >>"$SERVER/have.txt"
611 git -C "$SERVER" add foo.txt have.txt &&
612 git -C "$SERVER" commit -m bar &&
613 git -C "$SERVER" rev-parse HEAD:foo.txt >deltabase_missing &&
614 git -C "$SERVER" rev-parse HEAD:have.txt >deltabase_have &&
616 # Clone. The client has deltabase_have but not deltabase_missing.
617 git -c protocol.version=2 clone --no-checkout \
618 --filter=blob:none $HTTPD_URL/one_time_perl/server repo &&
619 git -C repo hash-object -w -- "$SERVER/have.txt" &&
621 # Sanity check to ensure that the client does not have
623 git -C repo rev-list --objects --ignore-missing \
624 -- $(cat deltabase_missing) >objlist &&
625 test_line_count = 0 objlist &&
627 # Another commit. This commit will be fetched by the client.
628 echo "abcdefghijklmnopqrstuvwxyz" >>"$SERVER/foo.txt" &&
629 echo "abcdefghijklmnopqrstuvwxyz" >>"$SERVER/have.txt" &&
630 git -C "$SERVER" add foo.txt have.txt &&
631 git -C "$SERVER" commit -m baz &&
633 # Pack a thin pack containing, among other things, HEAD:foo.txt
634 # delta-ed against HEAD^:foo.txt and HEAD:have.txt delta-ed against
636 printf "%s\n--not\n%s\n" \
637 $(git -C "$SERVER" rev-parse HEAD) \
638 $(git -C "$SERVER" rev-parse HEAD^) |
639 git -C "$SERVER" pack-objects --thin --stdout >thin.pack &&
641 # Ensure that the pack contains one delta against HEAD^:foo.txt. Since
642 # the delta contains at least 26 novel characters, the size cannot be
643 # contained in 4 bits, so the object header will take up 2 bytes. The
644 # most significant nybble of the first byte is 0b1111 (0b1 to indicate
645 # that the header continues, and 0b111 to indicate REF_DELTA), followed
646 # by any 3 nybbles, then the OID of the delta base.
647 printf "f.,..%s" $(intersperse "," <deltabase_missing) >want &&
648 hex_unpack <thin.pack | intersperse "," >have &&
649 grep $(cat want) have &&
651 # Ensure that the pack contains one delta against HEAD^:have.txt,
652 # similar to the above.
653 printf "f.,..%s" $(intersperse "," <deltabase_have) >want &&
654 hex_unpack <thin.pack | intersperse "," >have &&
655 grep $(cat want) have &&
657 replace_packfile thin.pack &&
659 # Use protocol v2 because the perl command looks for the "packfile"
661 test_config -C "$SERVER" protocol.version 2 &&
663 # Fetch the thin pack and ensure that index-pack is able to handle the
664 # REF_DELTA object with a missing promisor delta base.
665 GIT_TRACE_PACKET="$(pwd)/trace" git -C repo -c protocol.version=2 fetch &&
667 # Ensure that the missing delta base was directly fetched, but not the
668 # one that the client has.
669 grep "want $(cat deltabase_missing)" trace &&
670 ! grep "want $(cat deltabase_have)" trace &&
672 # Ensure that the one-time-perl script was used.
673 ! test -e "$HTTPD_ROOT_PATH/one-time-perl"
676 # DO NOT add non-httpd-specific tests here, because the last part of this
677 # test script is only executed when httpd is available and enabled.