Commit15b6bba

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fix(tag): improve tag resolution handling

The handling is similar, but the error message makes clearwhat is happening, and what can be done to handle such a case.Related togitpython-developers#561

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git/refs
- tag.py

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`‎git/refs/tag.py`

Lines changed: 5 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -22,14 +22,17 @@ class TagReference(Reference):`
`22`	`22`
`23`	`23`	`@property`
`24`	`24`	`defcommit(self):`
`25`		`-""":return: Commit object the tag ref points to"""`
	`25`	`+""":return: Commit object the tag ref points to`
	`26`	`+`
	`27`	`+ :raise ValueError: if the tag points to a tree or blob"""`
`26`	`28`	`obj=self.object`
`27`	`29`	`whileobj.type!='commit':`
`28`	`30`	`ifobj.type=="tag":`
`29`	`31`	`# it is a tag object which carries the commit as an object - we can point to anything`
`30`	`32`	`obj=obj.object`
`31`	`33`	`else:`
`32`		`-raiseValueError("Tag %s points to a Blob or Tree - have never seen that before"%self)`
	`34`	`+raiseValueError(("Cannot resolve commit as tag %s points to a %s object - "`
	`35`	++"use the `.object` property instead to access it")% (self,obj.type))
`33`	`36`	`returnobj`
`34`	`37`
`35`	`38`	`@property`

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Commit15b6bba

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`‎git/refs/tag.py`

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