From bd53e5cdfee93f22e8a0c2e7410985ab61ab37b0 Mon Sep 17 00:00:00 2001
From: onefang
Date: Wed, 4 Dec 2019 23:56:17 +1000
Subject: Check for existance of Release file before trying to sort it.

---
 apt-panopticon.lua | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/apt-panopticon.lua b/apt-panopticon.lua
index 92a5125..430aa87 100755
--- a/apt-panopticon.lua
+++ b/apt-panopticon.lua
@@ -971,22 +971,24 @@ if 0 < #arg then
 			end
 		    end
 
-		    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 ' ..
-					    'results/pkgmaster.devuan.org/merged/dists/' .. n .. '/Release.SORTED ' ..
-					    '| grep -v "@@" | grep "^+" | grep "Packages.xz$" |  cut -c 77- >results/NEW_Release_' .. n .. '.txt')
-		    os.execute('rm results/' .. pu.host .. '/merged/dists/' .. n .. '/Release')
+		    if checkFile('results/' .. pu.host .. '/merged/dists/' .. n .. '/Release') then
+			os.execute('sort -k 3 results/' .. pu.host .. '/merged/dists/' .. n .. '/Release >results/' .. pu.host .. '/merged/dists/' .. n .. '/Release.SORTED')
+			if options.referenceSite.value == pu.host then
+			    os.execute('diff -U 0   results_old/pkgmaster.devuan.org/merged/dists/' .. n .. '/Release.SORTED ' ..
+						'results/pkgmaster.devuan.org/merged/dists/' .. n .. '/Release.SORTED ' ..
+						'| grep -v "@@" | grep "^+" | grep "Packages.xz$" |  cut -c 77- >results/NEW_Release_' .. n .. '.txt')
+			os.execute('rm -f results/' .. pu.host .. '/merged/dists/' .. n .. '/Release 2>/dev/null')
 -- TODO - Maybe check the date in Release, though since they are updated daily, is there any point?  Perhaps it's for checking amprolla got run?
-		    else
+			else
 -- TODO - compare to the pkgmaster copy.
-		    end
+			end
 
-		    local dfile, e = io.open('results/NEW_Release_' .. n .. '.txt', "r")
-		    if nil == dfile then W("opening results/NEW_Release_" .. n .. " file - " .. e) else
-			local diff = dfile:read("*a")
-			if "" ~= diff then
-		    	downloads(pu.host, pu.path, n, diff)
+			local dfile, e = io.open('results/NEW_Release_' .. n .. '.txt', "r")
+			if nil == dfile then W("opening results/NEW_Release_" .. n .. " file - " .. e) else
+			    local diff = dfile:read("*a")
+			    if "" ~= diff then
+		    		downloads(pu.host, pu.path, n, diff)
+			    end
 			end
 		    end
 
-- 
cgit v1.1