Commitd79d20d

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Avoid taking a lock for reading

This isn't needed as git will replace this file atomicially,hence we always see a fully written file when reading.Only when writing we need to obtain a lock.

1 parent2141eae commitd79d20dCopy full SHA for d79d20d

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2 files changed

-16

lines changed

git
- ext
  - gitdb
- index
  - base.py

2 files changed

-16

lines changed

`‎git/ext/gitdb`

Submodulegitdb updated17 files

`‎git/index/base.py`

Lines changed: 2 additions & 15 deletions

Original file line number	Diff line number	Diff line change
`@@ -127,30 +127,17 @@ def __init__(self, repo: 'Repo', file_path: Union[PathLike, None] = None) -> Non`
`127`	`127`
`128`	`128`	`def_set_cache_(self,attr:str)->None:`
`129`	`129`	`ifattr=="entries":`
`130`		`-# read the current index`
`131`		`-# try memory map for speed`
`132`		`-lfd=LockedFD(self._file_path)`
`133`		`-ok=False`
`134`	`130`	`try:`
`135`		`-fd=lfd.open(write=False,stream=False)`
`136`		`-ok=True`
	`131`	`+fd=os.open(self._file_path,os.O_RDONLY)`
`137`	`132`	`exceptOSError:`
`138`	`133`	`# in new repositories, there may be no index, which means we are empty`
`139`	`134`	`self.entries:Dict[Tuple[PathLike,StageType],IndexEntry]= {}`
`140`	`135`	`returnNone`
`141`		`-finally:`
`142`		`-ifnotok:`
`143`		`-lfd.rollback()`
`144`	`136`	`# END exception handling`
`145`	`137`
`146`	`138`	`stream=file_contents_ro(fd,stream=True,allow_mmap=True)`
`147`	`139`
`148`		`-try:`
`149`		`-self._deserialize(stream)`
`150`		`-finally:`
`151`		`-lfd.rollback()`
`152`		`-# The handles will be closed on destruction`
`153`		`-# END read from default index on demand`
	`140`	`+self._deserialize(stream)`
`154`	`141`	`else:`
`155`	`142`	`super(IndexFile,self)._set_cache_(attr)`
`156`	`143`

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Commitd79d20d

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2 files changed

2 files changed

`‎git/ext/gitdb`

`‎git/index/base.py`

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