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Fix for repos with many tags

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Ensures all tags are ready before checkout, using `--branch` if possible and
an extra pull if that is not available.  Also adds `--depth 1` to create
shallow clones if the git version is sufficient.

Fixes #64.
This commit is contained in:
Tom Scogland 2015-06-13 15:23:32 -07:00 committed by Thomas R. W. Scogland
parent 277df08676
commit 0b5ca25358
1 changed files with 8 additions and 1 deletions
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9
lib/spack/spack/fetch_strategy.py
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@ -417,12 +417,18 @@ def fetch(self):
# If we want a particular branch ask for it.
if self.branch:
args.extend(['--branch', self.branch])
elif self.tag and self.git_version >= ver('1.8.5.2'):
args.extend(['--branch', self.tag])
# Try to be efficient if we're using a new enough git.
# This checks out only one branch's history
if self.git_version > ver('1.7.10'):
args.append('--single-branch')
# Yet more efficiency, only download a 1-commit deep tree
if self.git_version >= ver('1.7.1'):
args.extend(['--depth','1'])
args.append(self.url)
self.git(*args)
self.stage.chdir_to_source()
@ -430,7 +436,8 @@ def fetch(self):
# For tags, be conservative and check them out AFTER
# cloning. Later git versions can do this with clone
# --branch, but older ones fail.
if self.tag:
if self.tag and self.git_version < ver('1.8.5.2'):
self.git('pull', '--tags')
self.git('checkout', self.tag)