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add options to git diff

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This commit is contained in:
Wil Chung 2014-03-11 20:42:36 -07:00
parent dc4341eb3d
commit 667e3e04ac
1 changed files with 22 additions and 4 deletions
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26
src/repo.coffee
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@ -128,14 +128,32 @@ module.exports = class Repo
# commitA - A Commit or String commit id. # commitA - A Commit or String commit id.
# commitB - A Commit or String commit id. # commitB - A Commit or String commit id.
# paths - A list of String paths to restrict the difference to (optional). # paths - A list of String paths to restrict the difference to (optional).
# options - An object of options to pass to git diff (optional)
# callback - A Function which receives `(err, diffs)`. # callback - A Function which receives `(err, diffs)`.
# #
diff: (commitA, commitB, paths, callback) -> # Possible forms of the method:
[callback, paths] = [paths, callback] if !callback #
paths ?= [] # diff(commitA, commitB, callback)
# diff(commitA, commitB, paths, callback)
# diff(commitA, commitB, options, callback)
# diff(commitA, commitB, paths, options, callback)
#
diff: (commitA, commitB) ->
[paths, options] = [[], {}]
if arguments.length is 3
callback = arguments[2]
else if arguments.length is 4
callback = arguments[3]
if arguments[2] instanceof Array
paths = arguments[2]
else if arguments[2] instanceof Object
options = arguments[2]
else if arguments.length is 5
[paths, options, callback] = arguments.slice(2)
commitA = commitA.id if _.isObject(commitA) commitA = commitA.id if _.isObject(commitA)
commitB = commitB.id if _.isObject(commitB) commitB = commitB.id if _.isObject(commitB)
@git "diff", {}, _.flatten([commitA, commitB, "--", paths]) @git "diff", options, _.flatten([commitA, commitB, "--", paths])
, (err, stdout, stderr) => , (err, stdout, stderr) =>
return callback err if err return callback err if err
return callback err, Diff.parse(this, stdout) return callback err, Diff.parse(this, stdout)