u

home-config.sh

@@ -48,38 +48,54 @@ fi
 
 if [ -d "$HomePath" ]
 then
+
   pushd $HomePath
+  
   homescriptlist=".emacs .emacs.lisp .bashrc .bash_profile .gitignore"
   echo
-  echo "=== Copy or link scripts? <l> for link, <anything else> for copy:"
+  echo "=== Copy or link scripts? <l> to link, <c> to copy, <anything else> to omit:"
   read -p ">>> " CopyOrLinkScripts
-  for homescript in $homescriptlist
-  do
-    if [ -e "$homescript" ]
-    then
-      mv $homescript $homescript.backup-$(date +%Y%m%d%H%M%S)
-    fi
-    if [ "$CopyOrLinkScripts" = 'l' ]
-    then
+  if [ "$CopyOrLinkScripts" == 'l' ]
+  then
+    for homescript in $homescriptlist
+    do
+      if [ -e "$homescript" ] || [ -L "$homescript" ]
+      then
+        mv $homescript $homescript.backup-$(date +%Y%m%dT%H%M%S)
+      fi
       echo "--- Linking $SourcePath/$homescript to $HomePath/$homescript ..."
       ln -s $SourcePath/$homescript ./
-    else
+    done
+  elif [ "$CopyOrLinkScripts" == 'c' ]
+  then
+    for homescript in $homescriptlist
+    do
+      if [ -e "$homescript" ]
+      then
+        mv $homescript $homescript.backup-$(date +%Y%m%dT%H%M%S)
+      fi
       echo "--- Copying $SourcePath/$homescript to $HomePath/$homescript ..."
       cp -r $SourcePath/$homescript ./
-    fi
-  done
+    done
+  else
+    echo '--- Home scripts not changed.'
+  fi
+
   echo
 
-  if [ "$TheUser" != 'root' ]
+  if [ "$TheUser" != 'root' ] && [[ "$(uname)" != "Darwin" ]] # 仅允许 non-root 用户进行远程密钥登录
   then
 
     mkdir -p $HomePath/.ssh
     chmod 700 $HomePath/.ssh
-    # 注意，由 root 为新用户创建的配置文件的 owner 是 root，而不是新用户，导致新用户无法读取该文件而密钥登录失败，因此要重设 owner。
-    chown $TheUser:$TheUser $HomePath/.ssh
+    if [ "$2" ]
+    then
+      # 由 root 指定新用户而创建的配置文件的 owner 是 root，而不是新用户，导致新用户无法读取该文件而密钥登录失败，因此要重设 owner。
+      chown $TheUser:$TheUser $HomePath/.ssh
+    fi
     if [ -e '$HomePath/.ssh/authorized_keys' ]
     then
-      mv $HomePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys.backup-$(date +%Y%m%d%H%M%S)
+      mv $HomePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys.backup-$(date +%Y%m%dT%H%M%S)
     fi
 
     echo "=== Append or link or omit [$HomePath/.ssh/authorized_keys] to config ssh server? <a> for append, <l> for link, <<anything else>> for omit:"
@@ -101,6 +117,7 @@ then
   fi
 
   popd
+  
 else
   echo "!!! Not existing $HomePath, please try again."
 fi