git checkout main

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
9d863d525bbfcc8eda09364738c4032393711a56 refs/heads/main
cce3d0f5d2ec85678cca3c45ac4a87f3be5efaca refs/heads/v3-dev
9d863d525bbfcc8eda09364738c4032393711a56 refs/tags/v0.1.0+build-metadata
12d19af204585b0db3d2a876ceddf5b9323f5a4a refs/tags/v2.0.0+incompatible
cce3d0f5d2ec85678cca3c45ac4a87f3be5efaca refs/tags/v3.0.0-20220223184802-12d19af20458
-- README.txt --

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
ed5ffdaa1f5e7e0be6f5ba2d63097026506224f2 refs/heads/master
feed8f518cf4a7215a3b2a8268b8b0746dcbb12d refs/heads/v2
f6abd4e3ed7f2297bc8fd2888bd6d5412e255fcc refs/tags/favorite
5e9e31667ddfe16e9350f4bd00acc933c8cd5e56 refs/tags/start
0de900e0063bcc310ea0621bfbc227a9b4e3b020 refs/tags/v0.0.0
e5ec98b1c15df29e3bd346d538d73b6e8c3b500c refs/tags/v0.0.0-pre1

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
33ea7ee36f3e3f44f528664b3712c9fa0cef7502 refs/heads/main
09c4d8f6938c7b5eeae46858a72712b8700fa46a refs/heads/v1.0.0
33ea7ee36f3e3f44f528664b3712c9fa0cef7502 refs/heads/v2.0.0
d59622f6e4d77f008819083582fde71ea1921b0c refs/heads/v3.0.0-devel
33ea7ee36f3e3f44f528664b3712c9fa0cef7502 refs/tags/v0.1.0
d59622f6e4d77f008819083582fde71ea1921b0c refs/tags/v4.0.0-beta.1
-- go.mod --

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
c3ee5d0dfbb9bf3c4d8bb2bce24cd8d14d2d4238 refs/heads/master
2b7c4692e12c109263cab51b416fcc835ddd7eae refs/tags/sub/v0.0.10
883885166298d79a0561d571a3044ec5db2e7c28 refs/tags/sub/v0.0.9
db89fc573cfb939faf0aa0660671eb4cf8b8b673 refs/tags/v0.1.0
1abe41965749e50828dd41de8d12c6ebc8e4e131 refs/tags/v0.2.0
-- sub/go.mod --

git checkout master
git merge b -m 'merge'

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
59356c8cd18c5fe9a598167d98a6843e52d57952 refs/heads/b
c7818c24fa2f3f714c67d0a6d3e411c85a518d1f refs/heads/master
101c49f5af1b2466332158058cf5f03c8cca6429 refs/tags/v0.2.1
59356c8cd18c5fe9a598167d98a6843e52d57952 refs/tags/v0.2.2
-- go.mod --
module vcs-test.golang.org/git/tagtests.git
-- tagtests.go --

git tag v0.1.0

git add go.mod
git commit -m 'add go.mod'

git show-ref --tags --heads
cmp stdout .git-refs

git log --oneline --decorate=short
cmp stdout .git-log

-- .git-refs --
21535ef346c3e79fd09edd75bd4725f06c828e43 refs/heads/main
4d237df2dbfc8a443af2f5e84be774f08a2aed0c refs/tags/v0.1.0
-- .git-log --
21535ef (HEAD -> main) add go.mod
4d237df (tag: v0.1.0) add cmd/issue47650
-- go.mod --

80d85c5d4d17598a0e9055e7c175a32b415d6128 refs/tags/v1.0.0
5a115c66393dd8c4a5cc3215653850d7f5640d0e refs/tags/v1.0.1
2e38a1a347ba4d9e9946ec0ce480710ff445c919 refs/tags/v1.0.2
8afe2b2efed96e0880ecd2a69b98a53b8c2738b6 refs/tags/v1.0.3
b769f2de407a4db81af9c5de0a06016d60d2ea09 refs/tags/v1.1.0
45f53230a74ad275c7127e117ac46914c8126160 refs/tags/v2.0.0
ea65f87c8f52c15ea68f3bdd9925ef17e20d91e9 refs/tags/v2.0.1
f7b23352af1cd750b11e4673b20b24c2d239430a refs/tags/v2.0.2

git add go.mod
git commit -m 'all: add go.mod'
git branch -m master
git tag 'v2.0.0'

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
203b91c896acd173aa719e4cdcb7d463c4b090fa refs/heads/master
203b91c896acd173aa719e4cdcb7d463c4b090fa refs/tags/v2.0.0
-- go.mod --
module vcs-test.golang.org/go/v2module/v2

git add go.mod v3pkg.go
git commit -a -m 'all: add go.mod with v3 path'
git branch -m master
git tag 'v3.0.0'

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
a3eab1261b8e3164bcbde9171c23d5fd36e32a85 refs/heads/master
a3eab1261b8e3164bcbde9171c23d5fd36e32a85 refs/tags/v3.0.0
-- go.mod --
module vcs-test.golang.org/git/v3pkg.git/v3

go 1.13
-- v3pkg.go --

git branch -m main
git tag v1.0.0

git mv p.go q.go
git commit -m 'trivial change'

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
713affd19d7b9b6dc876b603017f3dcaab8ba674 refs/heads/main
64c061ed4371ef372b6bbfd58ee32015d6bfc3e5 refs/tags/v1.0.0
-- go.mod --
module vcs-test.golang.org/git/retract-pseudo.git

go 1.16

retract v1.0.0
-- p.go --