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avoid copying the entire git repo to a tmp folder when building the app

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It's not possible to checkout a specific commit into a new repository
using ``git fetch`` and so a temporary tag is added to the host
repository, then fetched.
This commit is contained in:
Michael Merickel
2015-12-15 15:34:43 -06:00
parent e408351ec6
commit d31ac73066
1 changed files with 13 additions and 4 deletions
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17
plugins/git/commands
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@@ -11,15 +11,24 @@ git_build_app_repo() {
TMP_WORK_DIR=$(mktemp -d)
trap 'rm -rf "$TMP_WORK_DIR" > /dev/null' RETURN
# git clone
# git clone - this method creates a new git repository and adds the primary
# repo as a remote, then does a fetch depth=1 to avoid cloning
# the entire repo
TMP_TAG="dokku/$REV"
chmod 755 $TMP_WORK_DIR
unset GIT_DIR GIT_WORK_TREE
pushd $TMP_WORK_DIR > /dev/null
[[ ! -d "$DOKKU_ROOT/$APP" ]] && apps_create $APP
git clone -q "$DOKKU_ROOT/$APP" "$TMP_WORK_DIR" &> /dev/null
GIT_DIR="$DOKKU_ROOT/$APP" git tag -d "$TMP_TAG" &> /dev/null || true
GIT_DIR="$DOKKU_ROOT/$APP" git tag "$TMP_TAG" "$REV" &> /dev/null
git init &> /dev/null
git config advice.detachedHead false
git checkout "$REV" &> /dev/null
git submodule update --init --recursive &> /dev/null
git remote add origin "$DOKKU_ROOT/$APP" &> /dev/null
git fetch --depth=1 origin "refs/tags/$TMP_TAG" &> /dev/null
git reset --hard FETCH_HEAD &> /dev/null
git submodule update --init --recursive --depth=1 &> /dev/null
GIT_DIR="$DOKKU_ROOT/$APP" git tag -d "$TMP_TAG" &> /dev/null || true
find -name .git -prune -exec rm -rf {} \; > /dev/null
if [[ -f Dockerfile ]] && [[ "$([[ -f .env ]] && grep -q BUILDPACK_URL .env; echo $?)" != "0" ]] && [[ ! -f ".buildpacks" ]]; then