From a54e20a21ee24306f34a9bfeffdeabcac32be490 Mon Sep 17 00:00:00 2001
From: Luke Bratch <luke@bratch.co.uk>
Date: Wed, 8 May 2019 12:30:43 +0100
Subject: Add ability to skip Portage and layman tree syncing

---
 portage-update.sh | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/portage-update.sh b/portage-update.sh
index 7c92bbd..19c5727 100755
--- a/portage-update.sh
+++ b/portage-update.sh
@@ -18,14 +18,18 @@ SAFE_SERVICES="cupsd lvmetad ntpd smartd sshd tor syslog-ng vixie-cron webmin"
 while test $# -gt 0
 do
     case "$1" in
+        --skip-sync) export SKIP_SYNC="true" # In case we don't to --sync the Portage tree
+            ;;
+        --skip-layman-sync) export SKIP_LAYMAN_SYNC="true" # In case we don't to --sync-all Layman
+            ;;
+        --skip-news) export SKIP_NEWS="true" # In case we don't to read new news before continuing
+            ;;
         --skip-update) export SKIP_UPDATE="true" # In case we don't want to do the actual "emerge --update"
             ;;
         --skip-depclean) export SKIP_DEPCLEAN="true" # In case we don't want to do an "emerge --depclean"
             ;;
         --skip-preserved-rebuild) export SKIP_PRESERVED_REBUILD="true" # In case we don't want to do an "emerge @preserved-rebuild"
             ;;
-        --skip-news) export SKIP_NEWS="true" # In case we don't to read new news before continuing
-            ;;
         --*) echo "bad argument '$1'" ; exit 1
             ;;
         *) echo "unexpected argument '$1'" ; exit 1
@@ -34,15 +38,19 @@ do
     shift
 done
 
-# Sync the Portage tree
-echo 'emerge --sync'
-emerge --sync || exit 1
+# Sync the Portage tree, unless skipped
+if [ -z ${SKIP_SYNC+x} ]; then
+  echo 'emerge --sync'
+  emerge --sync || exit 1
+fi
 
-# Sync Layman repos
-echo 'layman -S'
-# Only try to run layman if the command seems to exist
-if command -v layman > /dev/null; then
-  layman -S || exit 1
+# Sync Layman repos, unless skipped
+if [ -z ${SKIP_LAYMAN_SYNC+x} ]; then
+  echo 'layman -S'
+  # Only try to run layman if the command seems to exist
+  if command -v layman > /dev/null; then
+    layman -S || exit 1
+  fi
 fi
 
 # Check to see if there's any news, unless skipped
-- 
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