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another attempt at reclone which preserves existing git object dir

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Jesse Andrews 2011-10-24 18:42:11 -07:00
parent 24997f614f
commit eeec020628
1 changed files with 15 additions and 8 deletions
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23
stack.sh
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@ -302,20 +302,27 @@ sudo PIP_DOWNLOAD_CACHE=/var/cache/pip pip install `cat $FILES/pips/*`
# be owned by the installation user, we create the directory and change the # be owned by the installation user, we create the directory and change the
# ownership to the proper user. # ownership to the proper user.
function git_clone { function git_clone {
# if there is an existing checkout, move it out of the way
if [[ "$RECLONE" == "yes" ]]; then
# FIXME(ja): if we were smarter we could speed up RECLONE by
# using the old git repo as the basis of our new clone...
if [ -d $2 ]; then
mv $2 /tmp/stack.`date +%s`
fi
fi
# do a full clone only if the directory doesn't exist
if [ ! -d $2 ]; then if [ ! -d $2 ]; then
git clone $1 $2 git clone $1 $2
cd $2 cd $2
# This checkout syntax works for both branches and tags # This checkout syntax works for both branches and tags
git checkout $3 git checkout $3
elif [[ "$RECLONE" == "yes" ]]; then
# if it does exist then simulate what clone does if asked to RECLONE
cd $2
# set the url to pull from and fetch
git remote set-url origin $1
git fetch origin
# if we don't delete the local content, then our system has pyc files
# from the previous branch leading to breakage (due to the py files
# having older timestamps than our pyc, so python thinks the pyc files
# are correct using them)
rm -rf *
git checkout -f origin/$3
git branch -D $3
git checkout -b $3
fi fi
} }