new plugin: config plugin will load/save your bash-it configuration

plugins/available/config.bash

@@ -0,0 +1,167 @@
+cite about-plugin _about _param _group
+about-plugin "Manages your personal bash-it configuration"
+
+BASH_IT_CONFIG_PATH="${BASH_IT}/.config"
+GIT="/usr/bin/env git"
+
+_config-read-git-url()
+{
+  _about "reads a Git repo URL/path from stdin"
+  _group "config"
+  while true; do
+    read -e -p "Enter URL/path of git repository for config: " GIT_URL
+    [[ -n ${GIT_URL} ]] && break; 
+  done
+  echo ${GIT_URL}
+}
+
+_config-write()
+{
+  _about "writes a config file"
+  _param "1: config file to write to"
+  _param "2..: array of things to write to config file"
+  _group "config"
+  local THING=${1}
+  shift  
+  printf "%s\n" $@ > ${THING}
+}
+
+_config-make-config-file()
+{
+  local CWD=`pwd`
+  _about "builds & writes a config file"
+  _param "1: source directory, presumably full of symlinks"
+  _param "2: destination config file"
+  _group "config"
+  local SOURCE_DIR=$1
+  local DEST_FILE=$2
+  local -a FILES=()
+  for FILE in "${BASH_IT}/${SOURCE_DIR}/enabled/*.bash"; do
+    FILES=(${FILES[@]} `basename -s .bash ${FILE}`);
+  done
+  [[ ${#FILES[@]} -gt 0 ]] && {
+     _config-write "${DEST_FILE}" "${FILES[@]}"
+    cd "${BASH_IT_CONFIG_PATH}"
+    ${GIT} add "${DEST_FILE}"
+    cd ${CWD}
+  } 
+}
+
+_config-load-config-file()
+{
+  _about "loads a config file and creates symlinks"
+  _param "1: source config file"
+  _param "2: destination directory"
+  _group "config"
+  local SOURCE_FILE=$1
+  local DEST_DIR=$2
+  [[ -e ${SOURCE_FILE} && -d ${DEST_DIR} ]] && {
+    for FILE in `find "${DEST_DIR}/enabled" -type l`; do
+      rm -f "${FILE}"
+    done
+    for FILE in `cat ${SOURCE_FILE}`; do
+      bash-it enable `basename ${SOURCE_FILE}` ${FILE} 2>&1>/dev/null
+    done    
+  }
+}
+
+save-bash-it () 
+{
+  local CWD=`pwd`
+  about "saves current bash-it configuration to source control"
+  group "config"
+  local CUSTOM_PATH="${BASH_IT_CONFIG_PATH}/custom"
+  ${GIT} init "${BASH_IT_CONFIG_PATH}" 2>&1 > /dev/null
+  _config-make-config-file "aliases" "${BASH_IT_CONFIG_PATH}/aliases"
+  _config-make-config-file "plugins" "${BASH_IT_CONFIG_PATH}/plugins"
+  _config-make-config-file "completion" "${BASH_IT_CONFIG_PATH}/completion"
+  mkdir -p "${CUSTOM_PATH}" 
+
+  [[ ! -L ${BASH_IT}/custom && `ls -A "${BASH_IT}/custom/"` ]] && {
+    cp -Hf "${BASH_IT}/"custom/* "${CUSTOM_PATH}/" && \
+      rm -rf "${BASH_IT}/custom" && \
+      ln -sf "${CUSTOM_PATH}" "${BASH_IT}/custom"
+  }
+
+  [[ -e ${HOME}/.bash_profile ]] && {
+      cp -Hf "${HOME}/.bash_profile" "${BASH_IT_CONFIG_PATH}/bash_profile" 2>/dev/null && \
+        rm -f "${HOME}/.bash_profile" && \
+        ln -sf "${BASH_IT_CONFIG_PATH}/bash_profile" "${HOME}/.bash_profile"  
+  }
+
+  cd "${BASH_IT_CONFIG_PATH}"
+  ${GIT} add ${BASH_IT_CONFIG_PATH}/bash_profile
+  cd "${CUSTOM_PATH}"
+  ${GIT} add .  
+  [[ -z `git remote` ]] && {
+    local ORIGIN=`_config-read-git-url`    
+    ${GIT} remote add origin "${ORIGIN}"    
+  }
+  commit-bash-it
+  pull-bash-it
+  push-bash-it
+  cd ${CWD}
+}
+
+commit-bash-it() 
+{
+  local CWD=`pwd`
+  about "commits current bash-it configuration to source control"
+  group "config"
+  cd ${BASH_IT_CONFIG_PATH} 
+  ${GIT} commit -m "Updates $@"
+  cd ${CWD}
+}
+
+push-bash-it()
+{
+  local CWD=`pwd`
+  about "pushes current bash-it configuration to remote origin"
+  group "config"
+  cd ${BASH_IT_CONFIG_PATH}
+  ${GIT} push origin master
+  cd ${CWD}
+}
+
+pull-bash-it()
+{
+  local CWD=`pwd`
+  about "pulls (+ rebases) bash-it configuration from remote origin"
+  group "config"
+  if [[ ! -d ${BASH_IT_CONFIG_PATH} ]]; then
+    local ORIGIN=`_config-read-git-url`
+    ${GIT} clone ${ORIGIN} ${BASH_IT_CONFIG_PATH}
+  fi
+  cd ${BASH_IT_CONFIG_PATH}
+  ${GIT} pull --rebase origin master 
+  cd ${CWD}
+}
+
+update-bash-it()
+{
+  about "pulls bash-it configuration from remote origin and loads it"
+  group "config"
+  pull-bash-it
+  load-bash-it
+}
+
+load-bash-it ()
+{
+  about "loads stored bash-it configuration; creates symlinks"
+  group "config"
+  _config-load-config-file "${BASH_IT_CONFIG_PATH}/aliases" "${BASH_IT}/aliases"
+  _config-load-config-file "${BASH_IT_CONFIG_PATH}/plugins" "${BASH_IT}/plugins"
+  _config-load-config-file "${BASH_IT_CONFIG_PATH}/completion" "${BASH_IT}/completion"
+
+  [[ -d ${BASH_IT_CONFIG_PATH}/custom ]] && {
+    # TODO maybe a backup here
+    [[ ! -L ${BASH_IT}/custom && -d ${BASH_IT}/custom ]] && rm -rf "${BASH_IT}/custom"
+    ln -sf "${BASH_IT_CONFIG_PATH}/custom" "${BASH_IT}/"
+  }
+
+  [[ ! -L ${HOME}/.bash_profile ]] && {
+    # TODO here too
+    rm "${HOME}/.bash_profile"
+    ln -sf "${BASH_IT_CONFIG_PATH}/bash_profile" "${HOME}/.bash_profile"
+  }
+}