From 8fed6328bbb0a132440fdb205c85a745a5dbb976 Mon Sep 17 00:00:00 2001
From: Robert Martin-Legene <robert@nic.ar>
Date: Fri, 24 May 2019 13:43:36 -0300
Subject: [PATCH] Un bfaupdate.sh mas avanzado
---
bin/bfaupdate.sh | 42 ++++++++++++++++++++++++++++++++++++++----
1 file changed, 38 insertions(+), 4 deletions(-)
diff --git a/bin/bfaupdate.sh b/bin/bfaupdate.sh
index bbc8ec8..4137623 100755
--- a/bin/bfaupdate.sh
+++ b/bin/bfaupdate.sh
@@ -1,11 +1,45 @@
#!/bin/bash
# Robert Martin-Legene <robert@nic.ar>
+# 2019
+# You can start this as root or not - as long as $BFAHOME is set, it
+# should work.
+
+trap "exit 1" ERR
if [ -z "${BFAHOME}" ]; then echo "\$BFAHOME not set. Did you source bfa/bin/env ?" >&2; exit 1; fi
source ${BFAHOME}/bin/libbfa.sh || exit 1
+
+function runasownerof
+{
+ path=$1
+ precmd=
+ shift 1
+ if [ $( stat --format=%u $path ) -ne $UID ]
+ then
+ precmd="sudo -u $( stat --format=%U $path )"
+ fi
+ unset path
+ ${precmd} "$@"
+ unset precmd
+}
+
set -x
-cd ${BFAHOME}
-sudo apt -y install libclass-accessor-perl
-git pull
-npm rebuild
+if [ "$1" = "" ]
+then
+ cd `dirname $0`
+ # Pulling may update this script itself.
+ # We pull an updated repository, including an updated version of
+ # ourself, and then we execute the updates "us"
+ # This first part of the if is static. Changes (updates to this
+ # script) goes after the 'else'
+ #
+ # To keep things neat, make sure we pull as the user owning the
+ # directory.
+ runasownerof . git pull
+ exec ./`basename $0` wealreadypulled
+else
+ cd ${BFAHOME}
+ runasownerof / apt -y install libclass-accessor-perl
+ runasownerof . npm rebuild
+fi
--
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