package git
import (
"bytes"
"log"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"time"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/cache"
"github.com/go-git/go-git/v5/plumbing/object"
"github.com/go-git/go-git/v5/plumbing/storer"
"github.com/go-git/go-git/v5/storage/filesystem"
"github.com/go-git/go-git/v5/storage/memory"
"github.com/ProtonMail/go-crypto/openpgp"
"github.com/ProtonMail/go-crypto/openpgp/armor"
"github.com/ProtonMail/go-crypto/openpgp/errors"
"github.com/go-git/go-billy/v5/memfs"
"github.com/go-git/go-billy/v5/util"
. "gopkg.in/check.v1"
)
func (s *WorktreeSuite) TestCommitEmptyOptions(c *C) {
fs := memfs.New()
r, err := Init(memory.NewStorage(), fs)
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
util.WriteFile(fs, "foo", []byte("foo"), 0644)
_, err = w.Add("foo")
c.Assert(err, IsNil)
hash, err := w.Commit("foo", &CommitOptions{})
c.Assert(err, IsNil)
c.Assert(hash.IsZero(), Equals, false)
commit, err := r.CommitObject(hash)
c.Assert(err, IsNil)
c.Assert(commit.Author.Name, Not(Equals), "")
}
func (s *WorktreeSuite) TestCommitInitial(c *C) {
expected := plumbing.NewHash("98c4ac7c29c913f7461eae06e024dc18e80d23a4")
fs := memfs.New()
storage := memory.NewStorage()
r, err := Init(storage, fs)
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
util.WriteFile(fs, "foo", []byte("foo"), 0644)
_, err = w.Add("foo")
c.Assert(err, IsNil)
hash, err := w.Commit("foo\n", &CommitOptions{Author: defaultSignature()})
c.Assert(hash, Equals, expected)
c.Assert(err, IsNil)
assertStorageStatus(c, r, 1, 1, 1, expected)
}
func (s *WorktreeSuite) TestNothingToCommit(c *C) {
expected := plumbing.NewHash("838ea833ce893e8555907e5ef224aa076f5e274a")
r, err := Init(memory.NewStorage(), memfs.New())
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
hash, err := w.Commit("failed empty commit\n", &CommitOptions{Author: defaultSignature()})
c.Assert(hash, Equals, plumbing.ZeroHash)
c.Assert(err, Equals, ErrEmptyCommit)
hash, err = w.Commit("enable empty commits\n", &CommitOptions{Author: defaultSignature(), AllowEmptyCommits: true})
c.Assert(hash, Equals, expected)
c.Assert(err, IsNil)
}
func (s *WorktreeSuite) TestCommitParent(c *C) {
expected := plumbing.NewHash("ef3ca05477530b37f48564be33ddd48063fc7a22")
fs := memfs.New()
w := &Worktree{
r: s.Repository,
Filesystem: fs,
}
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
util.WriteFile(fs, "foo", []byte("foo"), 0644)
_, err = w.Add("foo")
c.Assert(err, IsNil)
hash, err := w.Commit("foo\n", &CommitOptions{Author: defaultSignature()})
c.Assert(hash, Equals, expected)
c.Assert(err, IsNil)
assertStorageStatus(c, s.Repository, 13, 11, 10, expected)
}
func (s *WorktreeSuite) TestCommitAmend(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
Filesystem: fs,
}
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
util.WriteFile(fs, "foo", []byte("foo"), 0644)
_, err = w.Add("foo")
c.Assert(err, IsNil)
_, err = w.Commit("foo\n", &CommitOptions{Author: defaultSignature()})
c.Assert(err, IsNil)
amendedHash, err := w.Commit("bar\n", &CommitOptions{Amend: true})
c.Assert(err, IsNil)
headRef, err := w.r.Head()
c.Assert(amendedHash, Equals, headRef.Hash())
commit, err := w.r.CommitObject(headRef.Hash())
c.Assert(err, IsNil)
c.Assert(commit.Message, Equals, "bar\n")
assertStorageStatus(c, s.Repository, 13, 11, 11, amendedHash)
}
func (s *WorktreeSuite) TestCommitAll(c *C) {
expected := plumbing.NewHash("aede6f8c9c1c7ec9ca8d287c64b8ed151276fa28")
fs := memfs.New()
w := &Worktree{
r: s.Repository,
Filesystem: fs,
}
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
util.WriteFile(fs, "LICENSE", []byte("foo"), 0644)
util.WriteFile(fs, "foo", []byte("foo"), 0644)
hash, err := w.Commit("foo\n", &CommitOptions{
All: true,
Author: defaultSignature(),
})
c.Assert(hash, Equals, expected)
c.Assert(err, IsNil)
assertStorageStatus(c, s.Repository, 13, 11, 10, expected)
}
func (s *WorktreeSuite) TestRemoveAndCommitAll(c *C) {
expected := plumbing.NewHash("907cd576c6ced2ecd3dab34a72bf9cf65944b9a9")
fs := memfs.New()
w := &Worktree{
r: s.Repository,
Filesystem: fs,
}
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
util.WriteFile(fs, "foo", []byte("foo"), 0644)
_, err = w.Add("foo")
c.Assert(err, IsNil)
_, errFirst := w.Commit("Add in Repo\n", &CommitOptions{
Author: defaultSignature(),
})
c.Assert(errFirst, IsNil)
errRemove := fs.Remove("foo")
c.Assert(errRemove, IsNil)
hash, errSecond := w.Commit("Remove foo\n", &CommitOptions{
All: true,
Author: defaultSignature(),
})
c.Assert(errSecond, IsNil)
c.Assert(hash, Equals, expected)
c.Assert(err, IsNil)
assertStorageStatus(c, s.Repository, 13, 11, 11, expected)
}
func (s *WorktreeSuite) TestCommitSign(c *C) {
fs := memfs.New()
storage := memory.NewStorage()
r, err := Init(storage, fs)
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
util.WriteFile(fs, "foo", []byte("foo"), 0644)
_, err = w.Add("foo")
c.Assert(err, IsNil)
key := commitSignKey(c, true)
hash, err := w.Commit("foo\n", &CommitOptions{Author: defaultSignature(), SignKey: key})
c.Assert(err, IsNil)
// Verify the commit.
pks := new(bytes.Buffer)
pkw, err := armor.Encode(pks, openpgp.PublicKeyType, nil)
c.Assert(err, IsNil)
err = key.Serialize(pkw)
c.Assert(err, IsNil)
err = pkw.Close()
c.Assert(err, IsNil)
expectedCommit, err := r.CommitObject(hash)
c.Assert(err, IsNil)
actual, err := expectedCommit.Verify(pks.String())
c.Assert(err, IsNil)
c.Assert(actual.PrimaryKey, DeepEquals, key.PrimaryKey)
}
func (s *WorktreeSuite) TestCommitSignBadKey(c *C) {
fs := memfs.New()
storage := memory.NewStorage()
r, err := Init(storage, fs)
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
util.WriteFile(fs, "foo", []byte("foo"), 0644)
_, err = w.Add("foo")
c.Assert(err, IsNil)
key := commitSignKey(c, false)
_, err = w.Commit("foo\n", &CommitOptions{Author: defaultSignature(), SignKey: key})
c.Assert(err, Equals, errors.InvalidArgumentError("signing key is encrypted"))
}
func (s *WorktreeSuite) TestCommitTreeSort(c *C) {
fs, clean := s.TemporalFilesystem()
defer clean()
st := filesystem.NewStorage(fs, cache.NewObjectLRUDefault())
_, err := Init(st, nil)
c.Assert(err, IsNil)
r, _ := Clone(memory.NewStorage(), memfs.New(), &CloneOptions{
URL: fs.Root(),
})
w, err := r.Worktree()
c.Assert(err, IsNil)
mfs := w.Filesystem
err = mfs.MkdirAll("delta", 0755)
c.Assert(err, IsNil)
for _, p := range []string{"delta_last", "Gamma", "delta/middle", "Beta", "delta-first", "alpha"} {
util.WriteFile(mfs, p, []byte("foo"), 0644)
_, err = w.Add(p)
c.Assert(err, IsNil)
}
_, err = w.Commit("foo\n", &CommitOptions{
All: true,
Author: defaultSignature(),
})
c.Assert(err, IsNil)
err = r.Push(&PushOptions{})
c.Assert(err, IsNil)
cmd := exec.Command("git", "fsck")
cmd.Dir = fs.Root()
cmd.Env = os.Environ()
buf := &bytes.Buffer{}
cmd.Stderr = buf
cmd.Stdout = buf
err = cmd.Run()
c.Assert(err, IsNil, Commentf("%s", buf.Bytes()))
}
// https://github.com/go-git/go-git/pull/224
func (s *WorktreeSuite) TestJustStoreObjectsNotAlreadyStored(c *C) {
fs, clean := s.TemporalFilesystem()
defer clean()
fsDotgit, err := fs.Chroot(".git") // real fs to get modified timestamps
c.Assert(err, IsNil)
storage := filesystem.NewStorage(fsDotgit, cache.NewObjectLRUDefault())
r, err := Init(storage, fs)
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
// Step 1: Write LICENSE
util.WriteFile(fs, "LICENSE", []byte("license"), 0644)
hLicense, err := w.Add("LICENSE")
c.Assert(err, IsNil)
c.Assert(hLicense, Equals, plumbing.NewHash("0484eba0d41636ba71fa612c78559cd6c3006cde"))
hash, err := w.Commit("commit 1\n", &CommitOptions{
All: true,
Author: defaultSignature(),
})
c.Assert(err, IsNil)
c.Assert(hash, Equals, plumbing.NewHash("7a7faee4630d2664a6869677cc8ab614f3fd4a18"))
infoLicense, err := fsDotgit.Stat(filepath.Join("objects", "04", "84eba0d41636ba71fa612c78559cd6c3006cde"))
c.Assert(err, IsNil) // checking objects file exists
// Step 2: Write foo.
time.Sleep(5 * time.Millisecond) // uncool, but we need to get different timestamps...
util.WriteFile(fs, "foo", []byte("foo"), 0644)
hFoo, err := w.Add("foo")
c.Assert(err, IsNil)
c.Assert(hFoo, Equals, plumbing.NewHash("19102815663d23f8b75a47e7a01965dcdc96468c"))
hash, err = w.Commit("commit 2\n", &CommitOptions{
All: true,
Author: defaultSignature(),
})
c.Assert(err, IsNil)
c.Assert(hash, Equals, plumbing.NewHash("97c0c5177e6ac57d10e8ea0017f2d39b91e2b364"))
// Step 3: Check
// There is no need to overwrite the object of LICENSE, because its content
// was not changed. Just a write on the object of foo is required. This behaviour
// is fixed by #224 and tested by comparing the timestamps of the stored objects.
infoFoo, err := fsDotgit.Stat(filepath.Join("objects", "19", "102815663d23f8b75a47e7a01965dcdc96468c"))
c.Assert(err, IsNil) // checking objects file exists
c.Assert(infoLicense.ModTime().Before(infoFoo.ModTime()), Equals, true) // object of foo has another/greaterThan timestamp than LICENSE
infoLicenseSecond, err := fsDotgit.Stat(filepath.Join("objects", "04", "84eba0d41636ba71fa612c78559cd6c3006cde"))
c.Assert(err, IsNil)
log.Printf("comparing mod time: %v == %v on %v (%v)", infoLicenseSecond.ModTime(), infoLicense.ModTime(), runtime.GOOS, runtime.GOARCH)
c.Assert(infoLicenseSecond.ModTime(), Equals, infoLicense.ModTime()) // object of LICENSE should have the same timestamp because no additional write operation was performed
}
func assertStorageStatus(
c *C, r *Repository,
treesCount, blobCount, commitCount int, head plumbing.Hash,
) {
trees, err := r.Storer.IterEncodedObjects(plumbing.TreeObject)
c.Assert(err, IsNil)
blobs, err := r.Storer.IterEncodedObjects(plumbing.BlobObject)
c.Assert(err, IsNil)
commits, err := r.Storer.IterEncodedObjects(plumbing.CommitObject)
c.Assert(err, IsNil)
c.Assert(lenIterEncodedObjects(trees), Equals, treesCount)
c.Assert(lenIterEncodedObjects(blobs), Equals, blobCount)
c.Assert(lenIterEncodedObjects(commits), Equals, commitCount)
ref, err := r.Head()
c.Assert(err, IsNil)
c.Assert(ref.Hash(), Equals, head)
}
func lenIterEncodedObjects(iter storer.EncodedObjectIter) int {
count := 0
iter.ForEach(func(plumbing.EncodedObject) error {
count++
return nil
})
return count
}
func defaultSignature() *object.Signature {
when, _ := time.Parse(object.DateFormat, "Thu May 04 00:03:43 2017 +0200")
return &object.Signature{
Name: "foo",
Email: "foo@foo.foo",
When: when,
}
}
func commitSignKey(c *C, decrypt bool) *openpgp.Entity {
s := strings.NewReader(armoredKeyRing)
es, err := openpgp.ReadArmoredKeyRing(s)
c.Assert(err, IsNil)
c.Assert(es, HasLen, 1)
c.Assert(es[0].Identities, HasLen, 1)
_, ok := es[0].Identities["foo bar <foo@foo.foo>"]
c.Assert(ok, Equals, true)
key := es[0]
if decrypt {
err = key.PrivateKey.Decrypt([]byte(keyPassphrase))
c.Assert(err, IsNil)
}
return key
}
const armoredKeyRing = `
-----BEGIN PGP PRIVATE KEY BLOCK-----
lQdGBFt89QIBEAC8du0Purt9yeFuLlBYHcexnZvcbaci2pY+Ejn1VnxM7caFxRX/
b2weZi9E6+I0F+K/hKIaidPdcbK92UCL0Vp6F3izjqategZ7o44vlK/HfWFME4wv
sou6lnig9ovA73HRyzngi3CmqWxSdg8lL0kIJLNzlvCFEd4Z34BnEkagklQJRymo
0WnmLJjSnZFT5Nk7q5jrcR7ApbD98cakvgivDlUBPJCk2JFPWheCkouWPHMvLXQz
bZXW5RFz4lJsMUWa/S3ofvIOnjG5Etnil3IA4uksS8fSDkGus998mBvUwzqX7xBh
dK17ZEbxDdO4PuVJDkjvq618rMu8FVk5yVd59rUketSnGrehd/+vdh6qtgQC4tu1
RldbUVAuKZGg79H61nWnvrDZmbw4eoqCEuv1+aZsM9ElSC5Ps2J0rtpHRyBndKn+
8Jlc/KTH04/O+FAhEv0IgMTFEm3iAq8udBhRBgu6Y4gJyn4tqy6+6ZjPUNos8GOG
+ZJPdrgHHHfQged1ygeceN6W2AwQRet/B3/rieHf2V93uHJy/DjYUEuBhPm9nxqi
R6ILUr97Sj2EsvLyfQO9pFpIctoNKEJmDx/C9tkFMNNlQhpsBitSdR2/wancw9ND
iWV/J9roUdC0qns7eNSbiFe3Len8Xir7srnjAFgbGvOu9jDBUuiKGT5F3wARAQAB
/gcDAl+0SktmjrUW8uwpvru6GeIeo5kc4rXuD7iIxH6nDl3nmjZMX7qWvp+pRTHH
0hEDH44899PDvzclBN3ouehfFUbJ+DBy8umBiLqF8Mu2PrKjdmyv3BvnbTkqPM3m
2Su7WmUDBhG00X07lfl8fTpZJG80onEGzGynryP/xVm4ymzoHyYGksntXLYr2HJ5
aV6L7sL2/STsaaOVHoa/oEmVBo1+NRsTxRRUcFVLs3g0OIi6ZCeSevBdavMwf9Iv
b5Bs/e0+GLpP71XzFpdrGcL6oGjZH/dgdeypzbGA+FHtQJqynN3qEE9eCc9cfTGL
2zN2OtnMA28NtPVN4SnSxQIDvycWx68NZjfwLOK+gswfKpimp+6xMWSnNIRDyU9M
w0hdNPMK9JAxm/MlnkR7x6ysX/8vrVVFl9gWOmxzJ5L4kvfMsHcV5ZFRP8OnVA6a
NFBWIBGXF1uQC4qrXup/xKyWJOoH++cMo2cjPT3+3oifZgdBydVfHXjS9aQ/S3Sa
A6henWyx/qeBGPVRuXWdXIOKDboOPK8JwQaGd6yazKkH9c5tDohmQHzZ6ho0gyAt
dh+g9ZyiZVpjc6excfK/DP/RdUOYKw3Ur9652hKephvYZzHvPjTbqVkhS7JjZkVY
rukQ64d5T0pE1B4y+If4hLFXMNQtfo0TIsATNA69jop+KFnJpLzAB+Ee33EA/HUl
YC5EJCJaXt6kdtYFac0HvVWiz5ZuMhdtzpJfvOe+Olp/xR9nIPW3XZojQoHIZKwu
gXeZeVMvfeoq+ymKAKNH5Np4WaUDF7Wh9VLl045jGyF5viyy61ivC0eyAzp5W1uy
gJBZwafVma5MhmZUS2dFs0hBwBrKRzZZhN65VvfSYw6CnXp83ryUjReDvrLmqZDM
FNpSMDKRk1+k9Wwi3m+fzLAvlxoHscJ5Any7ApsvBRbyehP8MAAG7UV3jImugTLi
yN6FKVwziQXiC4/97oKbA1YYNjTT7Qw9gWTXvLRspn4f9997brcA9dm0M0seTjLa
lc5hTJwJQdvPPI2klf+YgPvsD6nrP1moeWBb8irICqG1/BoE0JHPS+bqJ1J+m1iV
kRV/+4pV2bLlXKqg1LEvqANW+1P1eM2nbbVB7EQn8ZOPIKMoCLoC1QWUPNfnemsW
U5ynAbhsbm16PDJql0ApEgUCEDfsXTu1ui6SIO3bs/gWyD9HEmnfaYMYDKF+j+0r
jXd4GnCxb+Yu3wV5WyewOHouzC+++h/3WcDLkOYZ9pcIbA86qT+v6b9MuTAU0D3c
wlDv8r5J59zOcXl4HpMb2BY5F9dZn8hjgeVJRhJdij9x1TQ8qlVasSi4Eq8SiPmZ
PZz33Pk6yn2caQ6wd47A79LXCbFQqJqA5aA6oS4DOpENGS5fh7WUZq/MTcmm9GsG
w2gHxocASK9RCUYgZFWVYgLDuviMMWvc/2TJcTMxdF0Amu3erYAD90smFs0g/6fZ
4pRLnKFuifwAMGMOx7jbW5tmOaSPx6XkuYvkDJeLMHoN3z/8bZEG5VpayypwFGyV
bk/YIUWg/KM/43juDPdTvab9tZzYIjxC6on7dtYIAGjZis97XZou3KYKTaMe1VY6
IhrnVzJ0JAHpd1prf9NUz96e1vjGdn3I61JgjNp5sWklIJEZzvaD28Eovf/LH1BO
gYFFCvsWXaRoPHNQ5a9m7CROkLeHUFgRu5uriqHxxQHgogDznc8/3fnvDAHNpNb6
Jnk4zaeVR3tTyIjiNM+wxUFPDNFpJWmQbSDCcPVYTbpznzVRnhqrw7q0FWZvbyBi
YXIgPGZvb0Bmb28uZm9vPokCVAQTAQgAPgIbAwULCQgHAgYVCAkKCwIEFgIDAQIe
AQIXgBYhBJOhf/AeVDKFRgh8jgKTlUAu/M1TBQJbfPU4BQkSzAM2AAoJEAKTlUAu
/M1TVTIQALA6ocNc2fXz1loLykMxlfnX/XxiyNDOUPDZkrZtscqqWPYaWvJK3OiD
32bdVEbftnAiFvJYkinrCXLEmwwf5wyOxKFmCHwwKhH0UYt60yF4WwlOVNstGSAy
RkPMEEmVfMXS9K1nzKv/9A5YsqMQob7sN5CMN66Vrm0RKSvOF/NhhM9v8fC0QSU2
GZNO0tnRfaS4wMnFr5L4FuDST+14F5sJT7ZEJz7HfbxXKLvvWbvqLlCYHJOdz56s
X/eKde8eT9/LSzcmgsd7rGS2np5901kubww5jllUl1CFnk3Mdg9FTJl5u9Epuhnn
823Jpdy1ZNbyLqZ266Z/q2HepDA7P/GqIXgWdHjwG2y1YAC4JIkA4RBbesQwqAXs
6cX5gqRFRl5iDGEP5zclS0y5mWi/J8bLYxMYfqxs9EZtHd9DumWISi87804TEzYa
WDijMlW7PR8QRW0vdmtYOhJZOlTnomLQx2v27iqpVXRh12J1aYVBFC+IvG1vhCf9
FL3LzAHHEGlIoDaKJMd+Wg/Lm/f1PqqQx3lWIh9hhKh5Qx6hcuJH669JOWuEdxfo
1so50aItG+tdDKqXflmOi7grrUURchYYKteaW2fC2SQgzDClprALI7aj9s/lDrEN
CgLH6twOqdSFWqB/4ASDMsNeLeKX3WOYKYYMlE01cj3T1m6dpRUO
=gIM9
-----END PGP PRIVATE KEY BLOCK-----
`
const keyPassphrase = "abcdef0123456789"
