diskimage-builder/elements/source-repositories/extra-data.d/99-getsources

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#!/bin/bash
set -e
# Gets Repositories listed in the a repository file and places them in
# the repository directory.
# The format of the repository file is one or more lines matching
# <name> <type> <destination> <location> [<ref>]
function get_repos_for_element(){
local REPO_SOURCES=$1
local REGEX="^([^ ]+) (git|tar) (/[^ ]+) ([^ ]+) ?([^ ]*)$"
while read line ; do
# ignore blank lines and lines begining in '#'
[[ "$line" == \#* ]] || [[ -z "$line" ]] && continue
if [[ "$line" =~ $REGEX ]] ; then
local REPONAME=${BASH_REMATCH[1]}
local REPOTYPE=${BASH_REMATCH[2]}
local REPOPATH=${BASH_REMATCH[3]}
local REPOLOCATION=${BASH_REMATCH[4]}
local REPOREF=${BASH_REMATCH[5]:-master}
local REPO_DIRECTORY=$TMP_MOUNT_PATH$REPOPATH
local REPO_SUB_DIRECTORY=$(dirname $REPO_DIRECTORY)
# REPOTYPE can be overridden with DIB_REPOTYPE_{name}
local REPOTYPE_OVERRIDE=DIB_REPOTYPE_${REPONAME/-/_}
REPOTYPE=${!REPOTYPE_OVERRIDE:-$REPOTYPE}
# REPOLOCATION can be overridden with DIB_REPOLOCATION_{name}
local REPOLOCATION_OVERRIDE=DIB_REPOLOCATION_${REPONAME/-/_}
REPOLOCATION=${!REPOLOCATION_OVERRIDE:-$REPOLOCATION}
# REPOREF can be overridden with DIB_REPOREF_{name}
local REPOREF_OVERRIDE=DIB_REPOREF_${REPONAME/-/_}
REPOREF=${!REPOREF_OVERRIDE:-$REPOREF}
case $REPOTYPE in
git)
sudo mkdir -p $REPO_SUB_DIRECTORY
sudo git clone $REPOLOCATION $REPO_DIRECTORY
pushd $REPO_DIRECTORY
sudo git reset --hard $REPOREF
popd
;;
tar)
# The top level directory of the tarball mightn't have a fixed name i.e.
# it could contain version numbers etc... so we write it to a tmpdir
# the then move the contents into the directory we want it in, this does
# assume the tarball only contains a single top level directory
local tmpdir=$(mktemp --tmpdir=$TMP_MOUNT_PATH/tmp -d)
curl $REPOLOCATION | tar -C $tmpdir -xzf -
sudo mkdir -p $REPO_DIRECTORY
sudo mv $tmpdir/*/* $REPO_DIRECTORY
rm -rf $tmpdir
;;
*)
echo "Unsupported repository type"
return 1
;;
esac
else
echo "Couldn't parse '$line' as a source repository"
return 1
fi
done < $REPO_SOURCES
}
# Get source repositories for the target
for _SOURCEREPO in $(find $TMP_HOOKS_PATH -maxdepth 1 -name "source-repository-*") ; do
get_repos_for_element $_SOURCEREPO
done