added baisc parseYaml and cloneRepo functionality

Author: Bobonium

gitfile.sh

@@ -2,4 +2,63 @@
 
 set -euo pipefail
 
-cat .gitfile
+function cloneRepo
+{
+  SOURCE=${1}
+  VERSION=${2}
+  GIT_CLONE_PATH=${3//\~/$HOME}
+  if [ ! -d "${GIT_CLONE_PATH}" ]; then
+    git clone "${SOURCE}" ${GIT_CLONE_PATH} -q
+  fi
+  (
+    cd ${GIT_CLONE_PATH}
+    if [ -n "$(git status --porcelain)" ]; then
+      echo "[SKIP] local changes detected"
+      return
+    fi
+    sed -i -e "s|url =.*.git\$|url = ${SOURCE}|" ./.git/config
+    git fetch -q
+    git checkout ${VERSION} -q
+    git pull origin ${VERSION} -q
+  )
+}
+
+function parseYaml
+{
+  YAML_FILE=${1}
+  DEFAULT_GIT_CLONE_PATH=${2}
+  LAST_LINE_NUMBER="$(wc -l ${YAML_FILE} | awk '{print $1}')"
+  mapfile -t LINE_NUMBERS < <(cat -n ${YAML_FILE} | egrep -v "source:|version:|path:" | egrep "[0-9]{1,10}.*:\s*$" | awk '{print $1}')
+  mapfile -t DIR_NAMES  < <(cat -n ${YAML_FILE} | egrep -v "source:|version:|path:" | egrep "[0-9]{1,10}.*:\s*$" | awk '{print $2}')
+  for (( i=0; i < ${#LINE_NUMBERS[@]}; ++i ))
+  do
+    FROM=$(expr ${LINE_NUMBERS[$i]} + 1)
+    TO=$(expr ${LAST_LINE_NUMBER} + 1)
+    if [ "$i" -ne "$(expr ${#LINE_NUMBERS[@]} - 1 )" ]; then
+      TO=$(expr ${LINE_NUMBERS[$i + 1]} - 1)
+    fi
+    SOURCE=$(sed -n "${FROM},${TO}p" ${YAML_FILE} | grep "source:" | awk '{print $2}' | cut -d'"' -f2)
+    VERSION=$(sed -n "${FROM},${TO}p" ${YAML_FILE} | grep "version:" | awk '{print $2}' | cut -d'"' -f2 || echo "master")
+    GIT_CLONE_PATH=$(sed -n "${FROM},${TO}p" ${YAML_FILE} | grep "path:" | awk '{print $2}' | cut -d'"' -f2 || echo "${DEFAULT_GIT_CLONE_PATH}")
+    cloneRepo ${SOURCE} ${VERSION} ${GIT_CLONE_PATH%/}/${DIR_NAMES[$i]%:}
+  done
+}
+
+DEFAULT_GIT_CLONE_PATH="."
+if [ "$#" -eq 1 ]; then
+  DEFAULT_GIT_CLONE_PATH=${1%/}
+fi
+
+
+YAML_FILE="./.gitfile"
+if [ "$#" -eq 2 ]; then
+  YAML_FILE="${2}"
+fi
+
+if [ ! -f "${YAML_FILE}" ]; then
+  echo "[ERROR] '${YAML_FILE}' does not exist"
+  exit 1
+fi
+
+cd "$(dirname "${YAML_FILE}")"
+parseYaml ${YAML_FILE} ${DEFAULT_GIT_CLONE_PATH}