1 files changed, 7 insertions, 6 deletions

diff --git a/apt-panopticon.lua b/apt-panopticon.lua
index cf95a8e..2a65d0b 100755
--- a/apt-panopticon.lua
+++ b/apt-panopticon.lua
@@ -973,7 +973,8 @@ if 0 < #arg then
                         end
                     end
 
-                    if checkFile('results/' .. pu.host .. '/merged/dists/' .. n .. '/Release') then
+                    if  checkFile('results/' .. pu.host .. '/merged/dists/' .. n .. '/Release') and
+                        checkFile('results_old/pkgmaster.devuan.org/merged/dists/' .. n .. '/Release.SORTED') then
                         os.execute('sort -k 3 results/' .. pu.host .. '/merged/dists/' .. n .. '/Release >results/' .. pu.host .. '/merged/dists/' .. n .. '/Release.SORTED')
                         if options.referenceSite.value == pu.host then
                             os.execute('diff -U 0   results_old/pkgmaster.devuan.org/merged/dists/' .. n .. '/Release.SORTED ' ..
@@ -1103,13 +1104,13 @@ else
     local fadt = io.popen("ls -dl results_old 2>/dev/null | cut -d '>' -f 2 | cut -d ' ' -f 2")
     local adt = fadt:read('*l')
     fadt:close()
-    if 0 ~= #adt then os.execute('tar -c --xz ' .. adt .. ' -f ' .. adt .. '.tar.xz') end
+    if nil ~= adt then os.execute('tar -c --xz ' .. adt .. ' -f ' .. adt .. '.tar.xz') end
     local dt = os.date('!%Y-%m-%d-%H-%M')
-    local fodt = io.popen('TZ="GMT" date -r results/stamp +%Y-%m-%d-%H-%M', 'r')
+    local fodt = io.popen('TZ="GMT" date -r results/stamp +%Y-%m-%d-%H-%M 2>/dev/null', 'r')
     local odt = fodt:read('*l')
     fodt:close()
-    os.execute('                               rm -f results_old; ln -s results_' .. odt .. ' results_old 2>/dev/null')
-    os.execute('mkdir -p results_' .. dt .. '; rm -f results;     ln -s results_' .. dt  .. ' results     2>/dev/null')
+    if nil ~= odt then os.execute('                               rm -f results_old; ln -s results_' .. odt .. ' results_old 2>/dev/null') end
+    if nil ~= dt  then os.execute('mkdir -p results_' .. dt .. '; rm -f results;     ln -s results_' .. dt  .. ' results     2>/dev/null') end
     os.execute('if [ -f results/stamp ]; then mv results/stamp results/stamp.old; else touch results/stamp.old -t 199901010000; fi;  touch results/stamp')
     os.execute("rm -f results/*.check  2>/dev/null")
     if not keep then
@@ -1162,7 +1163,7 @@ else
         end
     end
 
-    if 0 ~= #adt then os.execute('rm -fr ' .. adt .. ' 2>/dev/null') end
+    if nil ~= adt then os.execute('rm -fr ' .. adt .. ' 2>/dev/null') end
 
     logPost()
     logFile:close()