Allow depth limiting git clones

Depending on how you are using devstack you probably don't need the
entire history of a project so we should allow people to specify a clone
depth to speed up the devstack process.

Change-Id: I804a5abcc80f6a81e915c0bb4dceae72486441a7
Blueprint: git-depth
This commit is contained in:
Jamie Lennox 2014-10-20 16:32:34 +02:00
parent 514c82030c
commit 51f0de5c5d

View File

@ -19,6 +19,7 @@
# #
# The following variables are assumed to be defined by certain functions: # The following variables are assumed to be defined by certain functions:
# #
# - ``GIT_DEPTH``
# - ``ENABLED_SERVICES`` # - ``ENABLED_SERVICES``
# - ``ERROR_ON_CLONE`` # - ``ERROR_ON_CLONE``
# - ``FILES`` # - ``FILES``
@ -562,16 +563,22 @@ function get_release_name_from_branch {
# Set global ``RECLONE=yes`` to simulate a clone when dest-dir exists # 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 ``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). # does not exist (default is False, meaning the repo will be cloned).
# Uses globals ``ERROR_ON_CLONE``, ``OFFLINE``, ``RECLONE`` # Set global ``GIT_DEPTH=<number>`` to limit the history depth of the git clone
# Uses globals ``ERROR_ON_CLONE``, ``OFFLINE``, ``RECLONE``, ``GIT_DEPTH``
# git_clone remote dest-dir branch # git_clone remote dest-dir branch
function git_clone { function git_clone {
local git_remote=$1 local git_remote=$1
local git_dest=$2 local git_dest=$2
local git_ref=$3 local git_ref=$3
local orig_dir=$(pwd) local orig_dir=$(pwd)
local git_clone_flags=""
RECLONE=$(trueorfalse False $RECLONE) RECLONE=$(trueorfalse False $RECLONE)
if [[ "$GIT_DEPTH" ]]; then
git_clone_flags="$git_clone_flags --depth $GIT_DEPTH"
fi
if [[ "$OFFLINE" = "True" ]]; then if [[ "$OFFLINE" = "True" ]]; then
echo "Running in offline mode, clones already exist" echo "Running in offline mode, clones already exist"
# print out the results so we know what change was used in the logs # print out the results so we know what change was used in the logs
@ -586,7 +593,7 @@ function git_clone {
if [[ ! -d $git_dest ]]; then if [[ ! -d $git_dest ]]; then
[[ "$ERROR_ON_CLONE" = "True" ]] && \ [[ "$ERROR_ON_CLONE" = "True" ]] && \
die $LINENO "Cloning not allowed in this configuration" die $LINENO "Cloning not allowed in this configuration"
git_timed clone $git_remote $git_dest git_timed clone $git_clone_flags $git_remote $git_dest
fi fi
cd $git_dest cd $git_dest
git_timed fetch $git_remote $git_ref && git checkout FETCH_HEAD git_timed fetch $git_remote $git_ref && git checkout FETCH_HEAD
@ -595,7 +602,7 @@ function git_clone {
if [[ ! -d $git_dest ]]; then if [[ ! -d $git_dest ]]; then
[[ "$ERROR_ON_CLONE" = "True" ]] && \ [[ "$ERROR_ON_CLONE" = "True" ]] && \
die $LINENO "Cloning not allowed in this configuration" die $LINENO "Cloning not allowed in this configuration"
git_timed clone $git_remote $git_dest git_timed clone $git_clone_flags $git_remote $git_dest
cd $git_dest cd $git_dest
# This checkout syntax works for both branches and tags # This checkout syntax works for both branches and tags
git checkout $git_ref git checkout $git_ref