scripts/gather-files: use sudo if possible

1 files changed, 24 insertions, 4 deletions

diff --git a/scripts/gather-files b/scripts/gather-files
index e33d8dd..edf7a8a 100755
--- a/scripts/gather-files
+++ b/scripts/gather-files
@@ -7,22 +7,42 @@ fi
 
 cd "${0%/*}/.."
 
-ssh "${2:-$1}" -t 'su -c '"'"'
+cmd='
   uname -n
   cut -d: -f1,6 \
   </etc/passwd \
   | tr ":" " " \
-  | while read -r user home; do
+  | while read -r user home; do \
     [ -d "${home}/.ssh" ] \
     || continue
     [ -f "${home}/.ssh/authorized_keys" ] \
     || continue
     sed "s@^@${user} @" "${home}/.ssh/authorized_keys"
   done
-'"'" \
+'
+
+cmd=$(
+  printf '%s\n' "${cmd}" \
+  | grep -vx '\s*' \
+  | sed '
+    :a
+      N
+      s/\\\n/ /
+      ta
+      s/;\s*\n/; /
+      ta
+      s/\n/; /
+      ta
+  '
+)
+
+{
+  ssh "${1}" -t "sudo -s bash -c '${cmd}'" \
+  || ssh "${1}" -t "su -c '${cmd}'" \
+  | sed 1d
+} \
 2>/dev/null \
 | tee /dev/stderr \
-| sed 1d \
 | tr -d '\r' \
 | {
   read -r host