openstack/devstack
Code Issues Proposed changes

Clean up local variable usage - git functions

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Cleans up the git-related functions in functions-common

Change-Id: I5f1851c0473e92c61b1e8af60e7ef32c3019f719
This commit is contained in:
Dean Troyer 2014-07-25 11:57:20 -05:00
parent d3121f649d
commit 50cda69f3c
1 changed files with 41 additions and 42 deletions
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83
functions-common
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@ -500,6 +500,7 @@ function is_ubuntu {
# ``get_release_name_from_branch branch-name``
function get_release_name_from_branch {
local branch=$1
if [[ $branch =~ "stable/" ]]; then
echo ${branch#*/}
else
@ -510,72 +511,73 @@ function get_release_name_from_branch {
# git clone only if directory doesn't exist already. Since ``DEST`` might not
# be owned by the installation user, we create the directory and change the
# ownership to the proper user.
# Set global RECLONE=yes to simulate a clone when dest-dir exists
# Set global ERROR_ON_CLONE=True to abort execution with an error if the git repo
# Set global ``RECLONE=yes`` to simulate a clone when dest-dir exists
# Set global ``ERROR_ON_CLONE=True`` to abort execution with an error if the git repo
# does not exist (default is False, meaning the repo will be cloned).
# Uses global ``OFFLINE``
# Uses globals ``ERROR_ON_CLONE``, ``OFFLINE``, ``RECLONE``
# git_clone remote dest-dir branch
function git_clone {
GIT_REMOTE=$1
GIT_DEST=$2
GIT_REF=$3
local git_remote=$1
local git_dest=$2
local git_ref=$3
local orig_dir=$(pwd)
RECLONE=$(trueorfalse False $RECLONE)
local orig_dir=`pwd`
if [[ "$OFFLINE" = "True" ]]; then
echo "Running in offline mode, clones already exist"
# print out the results so we know what change was used in the logs
cd $GIT_DEST
cd $git_dest
git show --oneline | head -1
cd $orig_dir
return
fi
if echo $GIT_REF | egrep -q "^refs"; then
if echo $git_ref | egrep -q "^refs"; then
# If our branch name is a gerrit style refs/changes/...
if [[ ! -d $GIT_DEST ]]; then
if [[ ! -d $git_dest ]]; then
[[ "$ERROR_ON_CLONE" = "True" ]] && \
die $LINENO "Cloning not allowed in this configuration"
git_timed clone $GIT_REMOTE $GIT_DEST
git_timed clone $git_remote $git_dest
fi
cd $GIT_DEST
git_timed fetch $GIT_REMOTE $GIT_REF && git checkout FETCH_HEAD
cd $git_dest
git_timed fetch $git_remote $git_ref && git checkout FETCH_HEAD
else
# do a full clone only if the directory doesn't exist
if [[ ! -d $GIT_DEST ]]; then
if [[ ! -d $git_dest ]]; then
[[ "$ERROR_ON_CLONE" = "True" ]] && \
die $LINENO "Cloning not allowed in this configuration"
git_timed clone $GIT_REMOTE $GIT_DEST
cd $GIT_DEST
git_timed clone $git_remote $git_dest
cd $git_dest
# This checkout syntax works for both branches and tags
git checkout $GIT_REF
git checkout $git_ref
elif [[ "$RECLONE" = "True" ]]; then
# if it does exist then simulate what clone does if asked to RECLONE
cd $GIT_DEST
cd $git_dest
# set the url to pull from and fetch
git remote set-url origin $GIT_REMOTE
git remote set-url origin $git_remote
git_timed fetch origin
# remove the existing ignored files (like pyc) as they cause breakage
# (due to the py files having older timestamps than our pyc, so python
# thinks the pyc files are correct using them)
find $GIT_DEST -name '*.pyc' -delete
find $git_dest -name '*.pyc' -delete
# handle GIT_REF accordingly to type (tag, branch)
if [[ -n "`git show-ref refs/tags/$GIT_REF`" ]]; then
git_update_tag $GIT_REF
elif [[ -n "`git show-ref refs/heads/$GIT_REF`" ]]; then
git_update_branch $GIT_REF
elif [[ -n "`git show-ref refs/remotes/origin/$GIT_REF`" ]]; then
git_update_remote_branch $GIT_REF
# handle git_ref accordingly to type (tag, branch)
if [[ -n "`git show-ref refs/tags/$git_ref`" ]]; then
git_update_tag $git_ref
elif [[ -n "`git show-ref refs/heads/$git_ref`" ]]; then
git_update_branch $git_ref
elif [[ -n "`git show-ref refs/remotes/origin/$git_ref`" ]]; then
git_update_remote_branch $git_ref
else
die $LINENO "$GIT_REF is neither branch nor tag"
die $LINENO "$git_ref is neither branch nor tag"
fi
fi
fi
# print out the results so we know what change was used in the logs
cd $GIT_DEST
cd $git_dest
git show --oneline | head -1
cd $orig_dir
}
@ -614,35 +616,32 @@ function git_timed {
# git update using reference as a branch.
# git_update_branch ref
function git_update_branch {
local git_branch=$1
GIT_BRANCH=$1
git checkout -f origin/$GIT_BRANCH
git checkout -f origin/$git_branch
# a local branch might not exist
git branch -D $GIT_BRANCH || true
git checkout -b $GIT_BRANCH
git branch -D $git_branch || true
git checkout -b $git_branch
}
# git update using reference as a branch.
# git_update_remote_branch ref
function git_update_remote_branch {
local git_branch=$1
GIT_BRANCH=$1
git checkout -b $GIT_BRANCH -t origin/$GIT_BRANCH
git checkout -b $git_branch -t origin/$git_branch
}
# git update using reference as a tag. Be careful editing source at that repo
# as working copy will be in a detached mode
# git_update_tag ref
function git_update_tag {
local git_tag=$1
GIT_TAG=$1
git tag -d $GIT_TAG
git tag -d $git_tag
# fetching given tag only
git_timed fetch origin tag $GIT_TAG
git checkout -f $GIT_TAG
git_timed fetch origin tag $git_tag
git checkout -f $git_tag
}