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nodegit/examples/merge-cleanly.js at master · nodejs-experiments/nodegit · GitHub
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merge-cleanly.js
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nodegit
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examples
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merge-cleanly.js
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var
nodegit
=
require
(
"../"
)
;
var
path
=
require
(
"path"
)
;
var
fse
=
require
(
"fs-extra"
)
;
var
ourFileName
=
"ourNewFile.txt"
;
var
ourFileContent
=
"I like Toll Roads. I have an EZ-Pass!"
;
var
ourBranchName
=
"ours"
;
var
theirFileName
=
"theirNewFile.txt"
;
var
theirFileContent
=
"I'm skeptical about Toll Roads"
;
var
theirBranchName
=
"theirs"
;
var
repoDir
=
"../../newRepo"
;
var
repository
;
var
ourCommit
;
var
theirCommit
;
var
ourBranch
;
var
theirBranch
;
var
ourSignature
=
nodegit
.
Signature
.
now
(
"Ron Paul"
,
"RonPaul@TollRoadsRBest.info"
)
;
var
theirSignature
=
nodegit
.
Signature
.
now
(
"Greg Abbott"
,
"Gregggg@IllTollYourFace.us"
)
;
// Create a new repository in a clean directory, and add our first file
fse
.
remove
(
path
.
resolve
(
__dirname
,
repoDir
)
)
.
then
(
function
(
)
{
return
fse
.
ensureDir
(
path
.
resolve
(
__dirname
,
repoDir
)
)
;
}
)
.
then
(
function
(
)
{
return
nodegit
.
Repository
.
init
(
path
.
resolve
(
__dirname
,
repoDir
)
,
0
)
;
}
)
.
then
(
function
(
repo
)
{
repository
=
repo
;
return
fse
.
writeFile
(
path
.
join
(
repository
.
workdir
(
)
,
ourFileName
)
,
ourFileContent
)
;
}
)
// Load up the repository index and make our initial commit to HEAD
.
then
(
function
(
)
{
return
repository
.
refreshIndex
(
)
;
}
)
.
then
(
function
(
index
)
{
return
index
.
addByPath
(
ourFileName
)
.
then
(
function
(
)
{
return
index
.
write
(
)
;
}
)
.
then
(
function
(
)
{
return
index
.
writeTree
(
)
;
}
)
;
}
)
.
then
(
function
(
oid
)
{
return
repository
.
createCommit
(
"HEAD"
,
ourSignature
,
ourSignature
,
"we made a commit"
,
oid
,
[
]
)
;
}
)
// Get commit object from the oid, and create our new branches at that position
.
then
(
function
(
commitOid
)
{
return
repository
.
getCommit
(
commitOid
)
.
then
(
function
(
commit
)
{
ourCommit
=
commit
;
}
)
.
then
(
function
(
)
{
return
repository
.
createBranch
(
ourBranchName
,
commitOid
)
.
then
(
function
(
branch
)
{
ourBranch
=
branch
;
return
repository
.
createBranch
(
theirBranchName
,
commitOid
)
;
}
)
;
}
)
;
}
)
// Create a new file, stage it and commit it to our second branch
.
then
(
function
(
branch
)
{
theirBranch
=
branch
;
return
fse
.
writeFile
(
path
.
join
(
repository
.
workdir
(
)
,
theirFileName
)
,
theirFileContent
)
;
}
)
.
then
(
function
(
)
{
return
repository
.
refreshIndex
(
)
;
}
)
.
then
(
function
(
index
)
{
return
index
.
addByPath
(
theirFileName
)
.
then
(
function
(
)
{
return
index
.
write
(
)
;
}
)
.
then
(
function
(
)
{
return
index
.
writeTree
(
)
;
}
)
;
}
)
.
then
(
function
(
oid
)
{
// You don"t have to change head to make a commit to a different branch.
return
repository
.
createCommit
(
theirBranch
.
name
(
)
,
theirSignature
,
theirSignature
,
"they made a commit"
,
oid
,
[
ourCommit
]
)
;
}
)
.
then
(
function
(
commitOid
)
{
return
repository
.
getCommit
(
commitOid
)
.
then
(
function
(
commit
)
{
theirCommit
=
commit
;
}
)
;
}
)
// Merge the two commits
.
then
(
function
(
)
{
return
nodegit
.
Merge
.
commits
(
repository
,
ourCommit
,
theirCommit
)
;
}
)
// Merging returns an index that isn't backed by the repository.
// You have to manually check for merge conflicts. If there are none
// you just have to write the index. You do have to write it to
// the repository instead of just writing it.
.
then
(
function
(
index
)
{
if
(
!
index
.
hasConflicts
(
)
)
{
return
index
.
writeTreeTo
(
repository
)
;
}
}
)
// Create our merge commit back on our branch
.
then
(
function
(
oid
)
{
return
repository
.
createCommit
(
ourBranch
.
name
(
)
,
ourSignature
,
ourSignature
,
"we merged their commit"
,
oid
,
[
ourCommit
,
theirCommit
]
)
;
}
)
.
done
(
function
(
commitId
)
{
// We never changed the HEAD after the initial commit;
// it should still be the same as master.
console
.
log
(
"New Commit: "
,
commitId
)
;
}
)
;
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