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nodegit/lib/revwalk.js at master · nodejs-experiments/nodegit · GitHub
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revwalk.js
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revwalk.js
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var
NodeGit
=
require
(
"../"
)
;
var
Revwalk
=
NodeGit
.
Revwalk
;
Object
.
defineProperty
(
Revwalk
.
prototype
,
"repo"
,
{
get
:
function
(
)
{
return
this
.
repository
(
)
;
}
,
configurable
:
true
}
)
;
var
_sorting
=
Revwalk
.
prototype
.
sorting
;
/**
*
@typedef
historyEntry
*
@type
{
Object
}
*
@property
{
Commit
} commit the commit for this entry
*
@property
{
Number
} status the status of the file in the commit
*
@property
{
String
} newName the new name that is provided when status is
* renamed
*
@property
{
String
} oldName the old name that is provided when status is
* renamed
*/
var
fileHistoryWalk
=
Revwalk
.
prototype
.
fileHistoryWalk
;
/**
*
@param
{
String
} filePath
*
@param
{
Number
} max_count
*
@async
*
@return
{
Array<historyEntry>
}
*/
Revwalk
.
prototype
.
fileHistoryWalk
=
fileHistoryWalk
;
/**
* Get a number of commits.
*
*
@async
*
@param
{
Number
} count (default: 10)
*
@return
{
Array<Commit>
}
*/
Revwalk
.
prototype
.
getCommits
=
function
(
count
)
{
count
=
count
||
10
;
var
promises
=
[
]
;
var
walker
=
this
;
function
walkCommitsCount
(
count
)
{
if
(
count
===
0
)
{
return
;
}
return
walker
.
next
(
)
.
then
(
function
(
oid
)
{
promises
.
push
(
walker
.
repo
.
getCommit
(
oid
)
)
;
return
walkCommitsCount
(
count
-
1
)
;
}
)
.
catch
(
function
(
error
)
{
if
(
error
.
errno
!==
NodeGit
.
Error
.
CODE
.
ITEROVER
)
{
throw
error
;
}
}
)
;
}
return
walkCommitsCount
(
count
)
.
then
(
function
(
)
{
return
Promise
.
all
(
promises
)
;
}
)
;
}
;
/**
* Walk the history grabbing commits until the checkFn called with the
* current commit returns false.
*
*
@async
*
@param
{
Function
} checkFn function returns false to stop walking
*
@return
{
Array
}
*/
Revwalk
.
prototype
.
getCommitsUntil
=
function
(
checkFn
)
{
var
commits
=
[
]
;
var
walker
=
this
;
function
walkCommitsCb
(
)
{
return
walker
.
next
(
)
.
then
(
function
(
oid
)
{
return
walker
.
repo
.
getCommit
(
oid
)
.
then
(
function
(
commit
)
{
commits
.
push
(
commit
)
;
if
(
checkFn
(
commit
)
)
{
return
walkCommitsCb
(
)
;
}
}
)
;
}
)
.
catch
(
function
(
error
)
{
if
(
error
.
errno
!==
NodeGit
.
Error
.
CODE
.
ITEROVER
)
{
throw
error
;
}
}
)
;
}
return
walkCommitsCb
(
)
.
then
(
function
(
)
{
return
commits
;
}
)
;
}
;
/**
* Set the sort order for the revwalk. This function takes variable arguments
* like `revwalk.sorting(NodeGit.RevWalk.Topological, NodeGit.RevWalk.Reverse).`
*
*
@param
{
Number
} sort
*/
Revwalk
.
prototype
.
sorting
=
function
(
)
{
var
sort
=
0
;
for
(
var
i
=
0
;
i
<
arguments
.
length
;
i
++
)
{
sort
|=
arguments
[
i
]
;
}
_sorting
.
call
(
this
,
sort
)
;
}
;
/**
* Walk the history from the given oid. The callback is invoked for each commit;
* When the walk is over, the callback is invoked with `(null, null)`.
*
*
@param
{
Oid
} oid
*
@param
{
Function
} callback
*/
Revwalk
.
prototype
.
walk
=
function
(
oid
,
callback
)
{
var
revwalk
=
this
;
this
.
push
(
oid
)
;
function
walk
(
)
{
revwalk
.
next
(
)
.
then
(
function
(
oid
)
{
if
(
!
oid
)
{
if
(
typeof
callback
===
"function"
)
{
return
callback
(
)
;
}
return
;
}
revwalk
.
repo
.
getCommit
(
oid
)
.
then
(
function
(
commit
)
{
if
(
typeof
callback
===
"function"
)
{
callback
(
null
,
commit
)
;
}
walk
(
)
;
}
)
;
}
,
callback
)
;
}
walk
(
)
;
}
;
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