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nodegit/lib/commit.js at master · philschatz/nodegit · GitHub
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commit.js
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var
git
=
require
(
'../'
)
,
success
=
require
(
'./utilities'
)
.
success
,
events
=
require
(
'events'
)
;
/**
* Convenience commit constructor.
*
*
@constructor
*
@param
{
git.raw.Repo
} rawRepo Raw repository object.
*
@param
{
git.raw.Commit
} [rawCommit = new git.raw.Commit(rawRepo)] Raw commit object.
*/
var
Commit
=
function
(
rawRepo
,
rawCommit
)
{
if
(
!
(
rawRepo
instanceof
git
.
raw
.
Repo
)
)
{
throw
new
git
.
error
(
'First parameter for Commit must be a raw repo'
)
;
}
this
.
rawRepo
=
rawRepo
;
if
(
rawCommit
instanceof
git
.
raw
.
Commit
)
{
this
.
rawCommit
=
rawCommit
;
}
else
{
this
.
rawCommit
=
new
git
.
raw
.
Commit
(
)
;
}
}
;
/**
* Look up the commit referenced by oid, replace this.commit with the result.
*
*
@param
{
Oid|git.raw.Oid|String
} oid A representation of an OID used to lookup the commit.
*
@param
{
Commit~lookupCallback
} callback
*/
Commit
.
prototype
.
lookup
=
function
(
oid
,
callback
)
{
/**
*
@callback
Commit~lookupCallback Callback executed on lookup completion.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Commit|null
} commit Retrieved commit object or null.
*/
if
(
typeof
oid
!==
'undefined'
&&
typeof
oid
!==
'string'
&&
!
(
oid
instanceof
git
.
raw
.
Oid
)
)
{
oid
=
oid
.
getRawOid
(
)
;
}
var
self
=
this
;
self
.
rawCommit
.
lookup
(
self
.
rawRepo
,
oid
,
function
commitLookup
(
error
,
rawCommit
)
{
if
(
success
(
error
,
callback
)
)
{
self
.
rawCommit
=
rawCommit
;
callback
(
null
,
self
)
;
}
}
)
;
}
;
/**
* Retrieve the commit's OID.
*
*
@param
{
Commit~oidCallback
} callback
*/
Commit
.
prototype
.
oid
=
function
(
callback
)
{
/**
*
@callback
Commit~oidCallback Callback executed on OID retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Oid|null
} commit Retrieved OID object or null.
*/
callback
(
null
,
new
git
.
oid
(
this
.
rawCommit
.
oid
(
)
)
)
;
}
;
/**
* Retrieve the SHA.
*
*
@param
{
Commit~shaCallback
} callback
*/
Commit
.
prototype
.
sha
=
function
(
callback
)
{
/**
*
@callback
Commit~shaCallback Callback executed on SHA retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
String|null
} sha Retrieved SHA.
*/
this
.
oid
(
function
(
error
,
oid
)
{
if
(
!
success
(
error
,
callback
)
)
{
return
;
}
oid
.
sha
(
function
(
error
,
sha
)
{
if
(
!
success
(
error
,
callback
)
)
{
return
;
}
callback
(
null
,
sha
)
;
}
)
;
}
)
;
}
;
/**
* Retrieve the message
*
*
@param
{
Commit~messageCallback
} callback
*/
Commit
.
prototype
.
message
=
function
(
callback
)
{
/**
*
@callback
Commit~messageCallback Callback executed on message retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
String|null
} message Retrieved message.
*/
this
.
rawCommit
.
message
(
function
(
error
,
message
)
{
if
(
success
(
error
,
callback
)
)
{
callback
(
null
,
message
)
;
}
}
)
;
}
;
/**
* Retrieve the commit time as a unix timestamp.
*
*
@param
{
Commit~timeCallback
} callback
*/
Commit
.
prototype
.
time
=
function
(
callback
)
{
/**
*
@callback
Commit~timeCallback Callback executed on time retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Integer|null
} time Retrieved time in seconds.
*/
this
.
rawCommit
.
time
(
function
(
error
,
time
)
{
if
(
success
(
error
,
callback
)
)
{
// git_commit_time returns timestamp in s, converting to ms here
callback
(
null
,
time
*
1000
)
;
}
}
)
;
}
;
/**
* Retrieve the commit time as a Date object.
*
*
@param
{
Commit~dateCallback
} callback
*/
Commit
.
prototype
.
date
=
function
(
callback
)
{
/**
*
@callback
Commit~dateCallback Callback executed on date retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Date|null
} time Retrieved time as a Date object.
*/
this
.
time
(
function
(
error
,
time
)
{
if
(
success
(
error
,
callback
)
)
{
callback
(
null
,
new
Date
(
time
)
)
;
}
}
)
;
}
;
/**
* Retrieve the commit's positive or negative timezone offset, in minutes from UTC.
*
*
@param
{
Commit~offsetCallback
} callback
*/
Commit
.
prototype
.
offset
=
function
(
callback
)
{
/**
*
@callback
Commit~offsetCallback Callback executed on offset retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Integer|null
} offset Retrieved offset in in minutes from UTC.
*/
this
.
rawCommit
.
offset
(
function
(
error
,
offset
)
{
if
(
success
(
error
,
callback
)
)
{
callback
(
null
,
offset
)
;
}
}
)
;
}
;
/**
* Retrieve the commit's author signature.
*
*
@param
{
Commit~authorCallback
} callback
*/
Commit
.
prototype
.
author
=
function
(
callback
)
{
/**
*
@callback
Commit~authorCallback Callback executed on author retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Signature|null
} author Retrieved author signature.
*/
this
.
rawCommit
.
author
(
function
(
error
,
rawSignature
)
{
if
(
success
(
error
,
callback
)
)
{
callback
(
null
,
new
git
.
signature
(
rawSignature
)
)
;
}
}
)
;
}
;
/**
* Retrieve the commit's committer.
*
*
@param
{
Commit~committerCallback
} callback
*/
Commit
.
prototype
.
committer
=
function
(
callback
)
{
/**
*
@callback
Commit~committerCallback Callback executed on committer retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Signature|null
} committer Retrieved committer signature.
*/
this
.
rawCommit
.
committer
(
function
(
error
,
rawSignature
)
{
if
(
success
(
error
,
callback
)
)
{
callback
(
null
,
new
git
.
signature
(
rawSignature
)
)
;
}
}
)
;
}
;
/**
* Retrieve the tree for this commit.
*
*
@param
{
Commit~treeCallback
} callback
*/
Commit
.
prototype
.
tree
=
function
(
callback
)
{
/**
*
@callback
Commit~treeCallback Callback executed on tree retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Tree|null
} tree Retrieved tree.
*/
var
self
=
this
;
self
.
rawCommit
.
tree
(
function
commitTree
(
error
,
rawTree
)
{
if
(
success
(
error
,
callback
)
)
{
callback
(
null
,
new
git
.
tree
(
self
.
rawRepo
,
rawTree
)
)
;
}
}
)
;
}
;
/**
* Retrieve the file represented by path for this commit.
* Path must be relative to repository root.
*
*
@param
{
String
} path
*
@param
{
Commit~fileCallback
} callback
*/
Commit
.
prototype
.
file
=
function
(
path
,
callback
)
{
/**
*
@callback
Commit~fileCallback Callback executed on file retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Entry|null
} file Retrieved file entry.
*/
this
.
tree
(
function
commitFileCallback
(
error
,
tree
)
{
if
(
!
success
(
error
,
callback
)
)
{
return
;
}
tree
.
entry
(
path
,
function
(
error
,
entry
)
{
if
(
success
(
error
,
callback
)
)
{
callback
(
null
,
entry
)
;
}
}
)
;
}
)
;
}
;
/**
* Walk the history from this commit backwards.
* An EventEmitter is returned that will emit a 'commit' event for each
* commit in the history, and one 'end' event when the walk is completed.
*
*
@fires
Commit#commit
*
@fires
Commit#end
*
*
@return
{
EventEmitter
} historyWalkEmitter
*/
Commit
.
prototype
.
history
=
function
(
)
{
var
event
=
new
events
.
EventEmitter
(
)
,
self
=
this
;
self
.
oid
(
function
commitOid
(
error
,
oid
)
{
(
new
git
.
revwalk
(
self
.
rawRepo
)
)
.
allocate
(
function
createRevwalk
(
error
,
revwalk
)
{
var
commits
=
[
]
;
revwalk
.
walk
(
oid
,
function
commitRevWalk
(
error
,
index
,
commit
,
noMoreCommits
)
{
if
(
error
)
{
event
.
emit
(
'end'
,
error
,
commits
)
;
return
false
;
}
if
(
noMoreCommits
)
{
/**
* End event.
*
*
@event
Commit#end
*
*
@param
{
GitError|null
} error An error object if there was an issue, null otherwise.
*
@param
{
Commit[]
} commits The commits.
*/
event
.
emit
(
'end'
,
null
,
commits
)
;
return
;
}
/**
* Commit event.
*
*
@event
Commit#commit
*
*
@param
{
GitError|null
} error An error object if there was an issue, null otherwise.
*
@param
{
Commit
} commit The commit.
*/
event
.
emit
(
'commit'
,
null
,
commit
)
;
commits
.
push
(
commit
)
;
}
)
;
}
)
;
}
)
;
return
event
;
}
;
/**
* Retrieve the commit's parents.
*
*
@param
{
Commit~parentsCallback
} callback
*/
Commit
.
prototype
.
parents
=
function
(
callback
)
{
/**
*
@callback
Commit~parentsCallback Callback executed on parents retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
Commit[]|null
} parents Commit's parent(s).
*/
var
self
=
this
;
self
.
rawCommit
.
parents
(
function
processParent
(
error
,
rawParents
)
{
if
(
success
(
error
,
callback
)
)
{
var
parents
=
[
]
;
rawParents
.
forEach
(
function
eachParent
(
rawParent
)
{
parents
.
push
(
new
Commit
(
self
.
rawRepo
,
rawParent
)
)
;
}
)
;
callback
(
null
,
parents
)
;
}
}
)
;
}
;
/**
* Generate an array of diff trees showing changes between this commit
* and its parent(s).
*
*
@param
{
Commit~parentsDiffTreesCallback
} callback
*/
Commit
.
prototype
.
parentsDiffTrees
=
function
(
callback
)
{
/**
*
@callback
Commit~parentsDiffTreesCallback Callback executed on diff trees retrieval.
*
@param
{
GitError|null
} error An Error or null if successful.
*
@param
{
DiffList[]|null
} diffLists Array of DiffTrees showing changes between this commit and its parent(s)
*/
var
self
=
this
;
self
.
sha
(
function
(
error
,
commitSha
)
{
if
(
!
success
(
error
,
callback
)
)
{
return
;
}
self
.
parents
(
function
commitParents
(
error
,
parents
)
{
if
(
!
success
(
error
,
callback
)
)
{
return
;
}
var
parentDiffLists
=
[
]
;
parents
.
forEach
(
function
commitEachParent
(
parent
)
{
parent
.
sha
(
function
commitParentSha
(
error
,
parentSha
)
{
(
new
git
.
diffList
(
self
.
rawRepo
)
)
.
treeToTree
(
parentSha
,
commitSha
,
function
walkDiffList
(
error
,
diffList
)
{
if
(
!
success
(
error
,
callback
)
)
{
return
;
}
parentDiffLists
.
push
(
diffList
)
;
if
(
parentDiffLists
.
length
===
parents
.
length
)
{
callback
(
null
,
parentDiffLists
)
;
}
}
)
;
}
)
;
}
)
;
}
)
;
}
)
;
}
;
exports
.
commit
=
Commit
;
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|
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