Auto-upgrade support

1 files changed, 52 insertions, 8 deletions

diff --git a/files/drupal b/files/drupal
index 30af128..00bdb9e 100755
--- a/files/drupal
+++ b/files/drupal
@@ -143,10 +143,31 @@ function drupal_update {
   done
 }
 
+# Get the current installed version of a given series
+function drupal_current {
+  local series="$1"
+
+  if [ -z "$series" ]; then
+    series="8"
+  fi
+
+  if [ -e "$BASE/drupal-${series}" ]; then
+    readlink $BASE/drupal-${series} | sed -e 's/^drupal-//'
+  else
+    echo 0
+  fi
+}
+
 # Get the latest version of a given series
 # https://drupal.stackexchange.com/questions/23700/how-to-find-download-latest-drupal-version-via-bash#23704
 function drupal_latest {
-  latest="`wget -O- -q https://updates.drupal.org/release-history/drupal/${1}.x | grep -oPm1 "(?<=<download_link>)[^<]+" | head -1`"
+  local series="$1"
+
+  if [ -z "$series" ]; then
+    series="8"
+  fi
+
+  latest="`wget -O- -q https://updates.drupal.org/release-history/drupal/${series}.x | grep -oPm1 "(?<=<download_link>)[^<]+" | head -1`"
   latest="`basename $latest`"
 
   echo $latest | sed -e 's/^drupal-//' -e 's/.tar.gz$//'
@@ -206,14 +227,29 @@ function drupal_upgrade {
     exit 1
   fi
 
-  # Setup
+  # Get versions
   old="$1"
   new="$2"
-  old_major="`drupal_get_major $old`"
-  new_major="`drupal_get_major $new`"
-  extra_folders=""
-  drupal_series="$new_major"
-  
+
+  # Fix versions if just a series is given
+  if [ "$old" == "8" ] && [ -z "$new" ]; then
+    old="`drupal_current 8`"
+    new="`drupal_latest  8`"
+    drupal_series="8"
+  elif [ "$old" == "7" ] && [ -z "$new" ]; then
+    old="`drupal_current 7`"
+    new="`drupal_latest  7`"
+    drupal_series="7"
+  elif [ "$old" == "6" ] && [ -z "$new" ]; then
+    old="`drupal_current 6`"
+    new="`drupal_latest  6`"
+    drupal_series="6"
+  else
+    old_major="`drupal_get_major $old`"
+    new_major="`drupal_get_major $new`"
+    drupal_series="$new_major"
+  fi
+
   if [ "$old_major" != "$new_major" ]; then
     echo "Major versions doesn't match"
     exit 1
@@ -240,6 +276,8 @@ function drupal_upgrade {
     fi
   done
 
+  extra_folders=""
+
   # Extra folder
   for extra_folder in $extra_folders; do
     if [ -d ../drupal-$old/$extra_folder ]; then
@@ -301,7 +339,7 @@ fi
 
 # Main procedure
 if [ -z "$1" ]; then
-  echo "Usage: `basename $0` <cron|download|update|updatedb|upgrade|run|make> [arguments]"
+  echo "Usage: `basename $0` <cron|download|update|updatedb|upgrade|current|latest|run|make> [arguments]"
   exit 1
 elif [ "$1" == "cron" ]; then
   drupal_iterate cron
@@ -326,6 +364,12 @@ elif [ "$1" == "updatedb" ]; then
 elif [ "$1" == "upgrade" ]; then
   shift
   drupal_upgrade $*
+elif [ "$1" == "current" ]; then
+  shift
+  drupal_current $*
+elif [ "$1" == "latest" ]; then
+  shift
+  drupal_latest $*
 elif [ "$1" == "run" ]; then
   shift
   drupal_iterate $*