getdfs: support multiple users

tools/get.dotfiles.cn

@@ -1,14 +1,13 @@
 #!/bin/bash
 set -e
-
 ARG=""
 GOT_OPTS=()
+DFS_USER="$(whoami)"
 while [[ $# > 0||-n "$ARG" ]];do
     if [[ -z "$ARG" ]];then ARG=$1;shift;fi
     case $ARG in
         -s*|--secure)DFS_SECURE=1;;
-        -u*|--user ) 
-            if [[ "$ARG" == --*=* ]]; then
+        -u*|--user)if [[ "$ARG" == --*=* ]];then
                 DFS_USER="${ARG#*=}"
             else
                 DFS_USER=$1
@@ -17,8 +16,7 @@ while [[ $# > 0 || -n "$ARG" ]]; do
             if [[ -z "$DFS_USER" ]];then
                 echo "install user is required"
                 exit 1
-            fi
-            ;;
+            fi;;
         --*=*)GOT_OPTS+=("${ARG%%=*}" "${ARG#*=}");;
         --*)GOT_OPTS+=("$ARG");;
         -*)GOT_OPTS+=("${ARG:0:2}");;
@@ -30,12 +28,19 @@ while [[ $# > 0 || -n "$ARG" ]]; do
         ARG=-${ARG:2}
     fi
 done
-
-# install TODO: multiple users; remove -a after installed for the first user
-if command -v su 1>/dev/null && test -n "$DFS_USER" && test "$DFS_USER" != "$(whoami)"; then
-    SUCMD="su $DFS_USER"
-else
+IFS=',' read -r -a DFS_USERS<<<"$DFS_USER"
+for u in "${DFS_USERS[@]}";do
+    if [[ -z "$u" ]];then
+        continue
+    fi
+    if ! id -u "$u" >/dev/null 2>&1;then
+        echo "user $u not exists"
+        exit 1
+    fi
+    if [[ "$u" == "$(whoami)" ]];then
         SUCMD="bash"
+    else
+        SUCMD="su $u"
     fi
     $SUCMD<<EOF
 cd
@@ -52,3 +57,4 @@ fi
 ./dotfiles/install.sh ${GOT_OPTS[@]}
 zsh -c "source ~/.zshrc"
 EOF
+done