mirror of
https://github.com/git/git
synced 2024-11-04 16:17:49 +00:00
96a9a3e42e
We hit a segfault when trying to open a bundle via `git bundle
list-heads` when running outside of a repository. This is caused by
c8aed5e8da (repository: stop setting SHA1 as the default object hash,
2024-05-07), which stopped setting the default object hash so that
`the_hash_algo` is a `NULL` pointer when running outside of any repo.
This is only a symptom of a deeper issue though. Bundles default to the
SHA1 object format unless they advertise an "@object-format=" header.
Consequently, it has been wrong in the first place to use the object
format used by the current repository when parsing bundles. The
consequence is that trying to open a bundle that uses a different object
hash than the current repository will fail:
$ git bundle list-heads sha1.bundle
error: unrecognized header: ee4b540943284700a32591ad09f7e15bdeb2a10c HEAD (45)
Fix the bug by defaulting to the SHA1 object hash. We already handle the
"@object-format=" header as expected, so we don't need to adapt this
part.
Helped-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
687 lines
18 KiB
Bash
Executable file
687 lines
18 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2021 Jiang Xin
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#
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test_description='Test git-bundle'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-bundle.sh
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. "$TEST_DIRECTORY"/lib-terminal.sh
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for cmd in create verify list-heads unbundle
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do
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test_expect_success "usage: git bundle $cmd needs an argument" '
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test_expect_code 129 git bundle $cmd
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'
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done
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# Create a commit or tag and set the variable with the object ID.
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test_commit_setvar () {
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notick=
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signoff=
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indir=
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merge=
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tag=
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var=
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while test $# != 0
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do
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case "$1" in
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--merge)
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merge=t
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;;
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--tag)
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tag=t
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;;
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--notick)
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notick=t
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;;
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--signoff)
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signoff="$1"
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;;
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-C)
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shift
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indir="$1"
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;;
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-*)
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echo >&2 "error: unknown option $1"
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return 1
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;;
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*)
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break
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;;
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esac
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shift
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done
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if test $# -lt 2
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then
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echo >&2 "error: test_commit_setvar must have at least 2 arguments"
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return 1
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fi
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var=$1
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shift
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indir=${indir:+"$indir"/}
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if test -z "$notick"
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then
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test_tick
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fi &&
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if test -n "$merge"
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then
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git ${indir:+ -C "$indir"} merge --no-edit --no-ff \
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${2:+-m "$2"} "$1" &&
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oid=$(git ${indir:+ -C "$indir"} rev-parse HEAD)
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elif test -n "$tag"
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then
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git ${indir:+ -C "$indir"} tag -m "$1" "$1" "${2:-HEAD}" &&
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oid=$(git ${indir:+ -C "$indir"} rev-parse "$1")
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else
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file=${2:-"$1.t"} &&
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echo "${3-$1}" >"$indir$file" &&
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git ${indir:+ -C "$indir"} add "$file" &&
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git ${indir:+ -C "$indir"} commit $signoff -m "$1" &&
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oid=$(git ${indir:+ -C "$indir"} rev-parse HEAD)
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fi &&
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eval $var=$oid
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}
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get_abbrev_oid () {
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oid=$1 &&
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suffix=${oid#???????} &&
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oid=${oid%$suffix} &&
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if test -n "$oid"
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then
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echo "$oid"
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else
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echo "undefined-oid"
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fi
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}
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# Format the output of git commands to make a user-friendly and stable
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# text. We can easily prepare the expect text without having to worry
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# about future changes of the commit ID.
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make_user_friendly_and_stable_output () {
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sed \
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-e "s/$(get_abbrev_oid $A)[0-9a-f]*/<COMMIT-A>/g" \
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-e "s/$(get_abbrev_oid $B)[0-9a-f]*/<COMMIT-B>/g" \
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-e "s/$(get_abbrev_oid $C)[0-9a-f]*/<COMMIT-C>/g" \
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-e "s/$(get_abbrev_oid $D)[0-9a-f]*/<COMMIT-D>/g" \
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-e "s/$(get_abbrev_oid $E)[0-9a-f]*/<COMMIT-E>/g" \
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-e "s/$(get_abbrev_oid $F)[0-9a-f]*/<COMMIT-F>/g" \
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-e "s/$(get_abbrev_oid $G)[0-9a-f]*/<COMMIT-G>/g" \
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-e "s/$(get_abbrev_oid $H)[0-9a-f]*/<COMMIT-H>/g" \
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-e "s/$(get_abbrev_oid $I)[0-9a-f]*/<COMMIT-I>/g" \
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-e "s/$(get_abbrev_oid $J)[0-9a-f]*/<COMMIT-J>/g" \
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-e "s/$(get_abbrev_oid $K)[0-9a-f]*/<COMMIT-K>/g" \
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-e "s/$(get_abbrev_oid $L)[0-9a-f]*/<COMMIT-L>/g" \
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-e "s/$(get_abbrev_oid $M)[0-9a-f]*/<COMMIT-M>/g" \
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-e "s/$(get_abbrev_oid $N)[0-9a-f]*/<COMMIT-N>/g" \
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-e "s/$(get_abbrev_oid $O)[0-9a-f]*/<COMMIT-O>/g" \
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-e "s/$(get_abbrev_oid $P)[0-9a-f]*/<COMMIT-P>/g" \
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-e "s/$(get_abbrev_oid $TAG1)[0-9a-f]*/<TAG-1>/g" \
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-e "s/$(get_abbrev_oid $TAG2)[0-9a-f]*/<TAG-2>/g" \
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-e "s/$(get_abbrev_oid $TAG3)[0-9a-f]*/<TAG-3>/g"
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}
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format_and_save_expect () {
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sed -e 's/Z$//' >expect
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}
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HASH_MESSAGE="The bundle uses this hash algorithm: $GIT_DEFAULT_HASH"
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# (C) (D, pull/1/head, topic/1)
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# o --- o
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# / \ (L)
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# / \ o (H, topic/2) (M, tag:v2)
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# / (F) \ / (N, tag:v3)
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# / o --------- o (G, pull/2/head) o --- o --- o (release)
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# / / \ \ / \
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# o --- o --- o -------- o -- o ------------------ o ------- o --- o (main)
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# (A) (B) (E, tag:v1) (I) (J) (K) (O) (P)
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#
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test_expect_success 'setup' '
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# Try to make a stable fixed width for abbreviated commit ID,
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# this fixed-width oid will be replaced with "<OID>".
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git config core.abbrev 7 &&
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# branch main: commit A & B
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test_commit_setvar A "Commit A" main.txt &&
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test_commit_setvar B "Commit B" main.txt &&
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# branch topic/1: commit C & D, refs/pull/1/head
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git checkout -b topic/1 &&
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test_commit_setvar C "Commit C" topic-1.txt &&
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test_commit_setvar D "Commit D" topic-1.txt &&
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git update-ref refs/pull/1/head HEAD &&
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# branch topic/1: commit E, tag v1
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git checkout main &&
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test_commit_setvar E "Commit E" main.txt &&
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test_commit_setvar --tag TAG1 v1 &&
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# branch topic/2: commit F & G, refs/pull/2/head
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git checkout -b topic/2 &&
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test_commit_setvar F "Commit F" topic-2.txt &&
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test_commit_setvar G "Commit G" topic-2.txt &&
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git update-ref refs/pull/2/head HEAD &&
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test_commit_setvar H "Commit H" topic-2.txt &&
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# branch main: merge commit I & J
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git checkout main &&
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test_commit_setvar --merge I topic/1 "Merge commit I" &&
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test_commit_setvar --merge J refs/pull/2/head "Merge commit J" &&
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# branch main: commit K
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git checkout main &&
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test_commit_setvar K "Commit K" main.txt &&
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# branch release:
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git checkout -b release &&
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test_commit_setvar L "Commit L" release.txt &&
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test_commit_setvar M "Commit M" release.txt &&
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test_commit_setvar --tag TAG2 v2 &&
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test_commit_setvar N "Commit N" release.txt &&
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test_commit_setvar --tag TAG3 v3 &&
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# branch main: merge commit O, commit P
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git checkout main &&
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test_commit_setvar --merge O tags/v2 "Merge commit O" &&
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test_commit_setvar P "Commit P" main.txt
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'
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test_expect_success 'create bundle from special rev: main^!' '
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git bundle create special-rev.bdl "main^!" &&
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git bundle list-heads special-rev.bdl |
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make_user_friendly_and_stable_output >actual &&
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cat >expect <<-\EOF &&
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<COMMIT-P> refs/heads/main
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EOF
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test_cmp expect actual &&
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git bundle verify special-rev.bdl |
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make_user_friendly_and_stable_output >actual &&
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format_and_save_expect <<-EOF &&
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The bundle contains this ref:
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<COMMIT-P> refs/heads/main
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The bundle requires this ref:
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<COMMIT-O> Z
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$HASH_MESSAGE
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EOF
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test_cmp expect actual &&
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test_bundle_object_count special-rev.bdl 3
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'
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test_expect_success 'create bundle with --max-count option' '
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git bundle create max-count.bdl --max-count 1 \
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main \
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"^release" \
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refs/tags/v1 \
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refs/pull/1/head \
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refs/pull/2/head &&
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git bundle verify max-count.bdl |
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make_user_friendly_and_stable_output >actual &&
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format_and_save_expect <<-EOF &&
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The bundle contains these 2 refs:
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<COMMIT-P> refs/heads/main
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<TAG-1> refs/tags/v1
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The bundle requires this ref:
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<COMMIT-O> Z
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$HASH_MESSAGE
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EOF
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test_cmp expect actual &&
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test_bundle_object_count max-count.bdl 4
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'
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test_expect_success 'create bundle with --since option' '
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git log -1 --pretty="%ad" $M >actual &&
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cat >expect <<-\EOF &&
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Thu Apr 7 15:26:13 2005 -0700
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EOF
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test_cmp expect actual &&
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git bundle create since.bdl \
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--since "Thu Apr 7 15:27:00 2005 -0700" \
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--all &&
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git bundle verify since.bdl |
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make_user_friendly_and_stable_output >actual &&
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format_and_save_expect <<-EOF &&
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The bundle contains these 5 refs:
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<COMMIT-P> refs/heads/main
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<COMMIT-N> refs/heads/release
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<TAG-2> refs/tags/v2
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<TAG-3> refs/tags/v3
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<COMMIT-P> HEAD
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The bundle requires these 2 refs:
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<COMMIT-M> Z
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<COMMIT-K> Z
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$HASH_MESSAGE
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EOF
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test_cmp expect actual &&
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test_bundle_object_count --thin since.bdl 13
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'
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test_expect_success 'create bundle 1 - no prerequisites' '
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# create bundle from args
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git bundle create 1.bdl topic/1 topic/2 &&
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# create bundle from stdin
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cat >input <<-\EOF &&
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topic/1
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topic/2
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EOF
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git bundle create stdin-1.bdl --stdin <input &&
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format_and_save_expect <<-EOF &&
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The bundle contains these 2 refs:
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<COMMIT-D> refs/heads/topic/1
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<COMMIT-H> refs/heads/topic/2
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The bundle records a complete history.
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$HASH_MESSAGE
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EOF
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# verify bundle, which has no prerequisites
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git bundle verify 1.bdl |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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git bundle verify stdin-1.bdl |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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test_bundle_object_count 1.bdl 24 &&
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test_bundle_object_count stdin-1.bdl 24
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'
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test_expect_success 'create bundle 2 - has prerequisites' '
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# create bundle from args
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git bundle create 2.bdl \
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--ignore-missing \
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^topic/deleted \
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^$D \
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^topic/2 \
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release &&
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# create bundle from stdin
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# input has a non-exist reference: "topic/deleted"
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cat >input <<-EOF &&
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^topic/deleted
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^$D
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^topic/2
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EOF
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git bundle create stdin-2.bdl \
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--ignore-missing \
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--stdin \
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release <input &&
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format_and_save_expect <<-EOF &&
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The bundle contains this ref:
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<COMMIT-N> refs/heads/release
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The bundle requires these 3 refs:
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<COMMIT-D> Z
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<COMMIT-E> Z
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<COMMIT-G> Z
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$HASH_MESSAGE
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EOF
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git bundle verify 2.bdl |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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git bundle verify stdin-2.bdl |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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test_bundle_object_count 2.bdl 16 &&
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test_bundle_object_count stdin-2.bdl 16
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'
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test_expect_success 'fail to verify bundle without prerequisites' '
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git init --bare test1.git &&
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format_and_save_expect <<-\EOF &&
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error: Repository lacks these prerequisite commits:
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error: <COMMIT-D> Z
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error: <COMMIT-E> Z
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error: <COMMIT-G> Z
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EOF
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test_must_fail git -C test1.git bundle verify ../2.bdl 2>&1 |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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test_must_fail git -C test1.git bundle verify ../stdin-2.bdl 2>&1 |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual
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'
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test_expect_success 'create bundle 3 - two refs, same object' '
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# create bundle from args
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git bundle create --version=3 3.bdl \
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^release \
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^topic/1 \
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^topic/2 \
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main \
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HEAD &&
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# create bundle from stdin
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cat >input <<-\EOF &&
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^release
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^topic/1
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^topic/2
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EOF
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git bundle create --version=3 stdin-3.bdl \
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--stdin \
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main HEAD <input &&
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format_and_save_expect <<-EOF &&
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The bundle contains these 2 refs:
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<COMMIT-P> refs/heads/main
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<COMMIT-P> HEAD
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The bundle requires these 2 refs:
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<COMMIT-M> Z
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<COMMIT-K> Z
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$HASH_MESSAGE
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EOF
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git bundle verify 3.bdl |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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git bundle verify stdin-3.bdl |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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test_bundle_object_count 3.bdl 4 &&
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test_bundle_object_count stdin-3.bdl 4
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'
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test_expect_success 'create bundle 4 - with tags' '
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# create bundle from args
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git bundle create 4.bdl \
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^main \
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^release \
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^topic/1 \
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^topic/2 \
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--all &&
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# create bundle from stdin
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cat >input <<-\EOF &&
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^main
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^release
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^topic/1
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^topic/2
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EOF
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git bundle create stdin-4.bdl \
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--ignore-missing \
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--stdin \
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--all <input &&
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cat >expect <<-EOF &&
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The bundle contains these 3 refs:
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<TAG-1> refs/tags/v1
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<TAG-2> refs/tags/v2
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<TAG-3> refs/tags/v3
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The bundle records a complete history.
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$HASH_MESSAGE
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EOF
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git bundle verify 4.bdl |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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git bundle verify stdin-4.bdl |
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make_user_friendly_and_stable_output >actual &&
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test_cmp expect actual &&
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test_bundle_object_count 4.bdl 3 &&
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test_bundle_object_count stdin-4.bdl 3
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'
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test_expect_success 'clone from bundle' '
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git clone --mirror 1.bdl mirror.git &&
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git -C mirror.git show-ref |
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make_user_friendly_and_stable_output >actual &&
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cat >expect <<-\EOF &&
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<COMMIT-D> refs/heads/topic/1
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<COMMIT-H> refs/heads/topic/2
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EOF
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test_cmp expect actual &&
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git -C mirror.git fetch ../2.bdl "+refs/*:refs/*" &&
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git -C mirror.git show-ref |
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make_user_friendly_and_stable_output >actual &&
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cat >expect <<-\EOF &&
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<COMMIT-N> refs/heads/release
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<COMMIT-D> refs/heads/topic/1
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<COMMIT-H> refs/heads/topic/2
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EOF
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test_cmp expect actual &&
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git -C mirror.git fetch ../3.bdl "+refs/*:refs/*" &&
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git -C mirror.git show-ref |
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make_user_friendly_and_stable_output >actual &&
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cat >expect <<-\EOF &&
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<COMMIT-P> refs/heads/main
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<COMMIT-N> refs/heads/release
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<COMMIT-D> refs/heads/topic/1
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<COMMIT-H> refs/heads/topic/2
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EOF
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test_cmp expect actual &&
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git -C mirror.git fetch ../4.bdl "+refs/*:refs/*" &&
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git -C mirror.git show-ref |
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make_user_friendly_and_stable_output >actual &&
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cat >expect <<-\EOF &&
|
|
<COMMIT-P> refs/heads/main
|
|
<COMMIT-N> refs/heads/release
|
|
<COMMIT-D> refs/heads/topic/1
|
|
<COMMIT-H> refs/heads/topic/2
|
|
<TAG-1> refs/tags/v1
|
|
<TAG-2> refs/tags/v2
|
|
<TAG-3> refs/tags/v3
|
|
EOF
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'unfiltered bundle with --objects' '
|
|
git bundle create all-objects.bdl \
|
|
--all --objects &&
|
|
git bundle create all.bdl \
|
|
--all &&
|
|
|
|
# Compare the headers of these files.
|
|
sed -n -e "/^$/q" -e "p" all.bdl >expect &&
|
|
sed -n -e "/^$/q" -e "p" all-objects.bdl >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
for filter in "blob:none" "tree:0" "tree:1" "blob:limit=100"
|
|
do
|
|
test_expect_success "filtered bundle: $filter" '
|
|
test_when_finished rm -rf .git/objects/pack cloned unbundled &&
|
|
git bundle create partial.bdl \
|
|
--all \
|
|
--filter=$filter &&
|
|
|
|
git bundle verify partial.bdl >unfiltered &&
|
|
make_user_friendly_and_stable_output <unfiltered >actual &&
|
|
|
|
cat >expect <<-EOF &&
|
|
The bundle contains these 10 refs:
|
|
<COMMIT-P> refs/heads/main
|
|
<COMMIT-N> refs/heads/release
|
|
<COMMIT-D> refs/heads/topic/1
|
|
<COMMIT-H> refs/heads/topic/2
|
|
<COMMIT-D> refs/pull/1/head
|
|
<COMMIT-G> refs/pull/2/head
|
|
<TAG-1> refs/tags/v1
|
|
<TAG-2> refs/tags/v2
|
|
<TAG-3> refs/tags/v3
|
|
<COMMIT-P> HEAD
|
|
The bundle records a complete history.
|
|
$HASH_MESSAGE
|
|
The bundle uses this filter: $filter
|
|
EOF
|
|
test_cmp expect actual &&
|
|
|
|
test_config uploadpack.allowfilter 1 &&
|
|
test_config uploadpack.allowanysha1inwant 1 &&
|
|
git clone --no-local --filter=$filter --bare "file://$(pwd)" cloned &&
|
|
|
|
git init unbundled &&
|
|
git -C unbundled bundle unbundle ../partial.bdl >ref-list.txt &&
|
|
ls unbundled/.git/objects/pack/pack-*.promisor >promisor &&
|
|
test_line_count = 1 promisor &&
|
|
|
|
# Count the same number of reachable objects.
|
|
reflist=$(git for-each-ref --format="%(objectname)") &&
|
|
git rev-list --objects --filter=$filter --missing=allow-any \
|
|
$reflist >expect &&
|
|
for repo in cloned unbundled
|
|
do
|
|
git -C $repo rev-list --objects --missing=allow-any \
|
|
$reflist >actual &&
|
|
test_cmp expect actual || return 1
|
|
done
|
|
'
|
|
done
|
|
|
|
# NEEDSWORK: 'git clone --bare' should be able to clone from a filtered
|
|
# bundle, but that requires a change to promisor/filter config options.
|
|
# For now, we fail gracefully with a helpful error. This behavior can be
|
|
# changed in the future to succeed as much as possible.
|
|
test_expect_success 'cloning from filtered bundle has useful error' '
|
|
git bundle create partial.bdl \
|
|
--all \
|
|
--filter=blob:none &&
|
|
test_must_fail git clone --bare partial.bdl partial 2>err &&
|
|
grep "cannot clone from filtered bundle" err
|
|
'
|
|
|
|
test_expect_success 'verify catches unreachable, broken prerequisites' '
|
|
test_when_finished rm -rf clone-from clone-to &&
|
|
git init clone-from &&
|
|
(
|
|
cd clone-from &&
|
|
git checkout -b base &&
|
|
test_commit A &&
|
|
git checkout -b tip &&
|
|
git commit --allow-empty -m "will drop by shallow" &&
|
|
git commit --allow-empty -m "will keep by shallow" &&
|
|
git commit --allow-empty -m "for bundle, not clone" &&
|
|
git bundle create tip.bundle tip~1..tip &&
|
|
git reset --hard HEAD~1 &&
|
|
git checkout base
|
|
) &&
|
|
BAD_OID=$(git -C clone-from rev-parse tip~1) &&
|
|
TIP_OID=$(git -C clone-from rev-parse tip) &&
|
|
git clone --depth=1 --no-single-branch \
|
|
"file://$(pwd)/clone-from" clone-to &&
|
|
(
|
|
cd clone-to &&
|
|
|
|
# Set up broken history by removing shallow markers
|
|
git update-ref -d refs/remotes/origin/tip &&
|
|
rm .git/shallow &&
|
|
|
|
# Verify should fail
|
|
test_must_fail git bundle verify \
|
|
../clone-from/tip.bundle 2>err &&
|
|
grep "some prerequisite commits .* are not connected" err &&
|
|
test_line_count = 1 err &&
|
|
|
|
# Unbundling should fail
|
|
test_must_fail git bundle unbundle \
|
|
../clone-from/tip.bundle 2>err &&
|
|
grep "some prerequisite commits .* are not connected" err &&
|
|
test_line_count = 1 err
|
|
)
|
|
'
|
|
|
|
test_expect_success 'bundle progress includes write phase' '
|
|
GIT_PROGRESS_DELAY=0 \
|
|
git bundle create --progress out.bundle --all 2>err &&
|
|
grep 'Writing' err
|
|
'
|
|
|
|
test_expect_success TTY 'create --quiet disables all bundle progress' '
|
|
test_terminal env GIT_PROGRESS_DELAY=0 \
|
|
git bundle create --quiet out.bundle --all 2>err &&
|
|
test_must_be_empty err
|
|
'
|
|
|
|
test_expect_success 'bundle progress with --no-quiet' '
|
|
GIT_PROGRESS_DELAY=0 \
|
|
git bundle create --no-quiet out.bundle --all 2>err &&
|
|
grep "%" err
|
|
'
|
|
|
|
test_expect_success 'read bundle over stdin' '
|
|
git bundle create some.bundle HEAD &&
|
|
|
|
git bundle verify - <some.bundle 2>err &&
|
|
grep "<stdin> is okay" err &&
|
|
|
|
git bundle list-heads some.bundle >expect &&
|
|
git bundle list-heads - <some.bundle >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
git bundle unbundle some.bundle >expect &&
|
|
git bundle unbundle - <some.bundle >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'send a bundle to standard output' '
|
|
git bundle create - --all HEAD >bundle-one &&
|
|
mkdir -p down &&
|
|
git -C down bundle create - --all HEAD >bundle-two &&
|
|
git bundle verify bundle-one &&
|
|
git bundle verify bundle-two &&
|
|
git ls-remote bundle-one >expect &&
|
|
git ls-remote bundle-two >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'unbundle outside of a repository' '
|
|
git bundle create some.bundle HEAD &&
|
|
echo "fatal: Need a repository to unbundle." >expect &&
|
|
nongit test_must_fail git bundle unbundle "$(pwd)/some.bundle" 2>err &&
|
|
test_cmp expect err
|
|
'
|
|
|
|
test_expect_success 'list-heads outside of a repository' '
|
|
git bundle create some.bundle HEAD &&
|
|
cat >expect <<-EOF &&
|
|
$(git rev-parse HEAD) HEAD
|
|
EOF
|
|
nongit git bundle list-heads "$(pwd)/some.bundle" >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
for hash in sha1 sha256
|
|
do
|
|
test_expect_success "list-heads with bundle using $hash" '
|
|
test_when_finished "rm -rf hash" &&
|
|
git init --object-format=$hash hash &&
|
|
test_commit -C hash initial &&
|
|
git -C hash bundle create hash.bundle HEAD &&
|
|
|
|
cat >expect <<-EOF &&
|
|
$(git -C hash rev-parse HEAD) HEAD
|
|
EOF
|
|
git bundle list-heads hash/hash.bundle >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
done
|
|
|
|
test_done
|