From 3b52beca0c38da3faf5012641e0f2bffaa4a06a5 Mon Sep 17 00:00:00 2001
From: Pascal Terjan <pterjan@gmail.com>
Date: Mon, 6 Feb 2017 21:47:23 +0000
Subject: Simplify failure detection logic and fix cleanup

Especially:
- fetch logs when dependencies can not be installed
- properly cleanup logs on the build machine in all cases
- really discard other architectures if a mandatory one had already
  failed
---
 NEWS |  2 ++
 ulri | 41 +++++++++++++++++++----------------------
 2 files changed, 21 insertions(+), 22 deletions(-)

diff --git a/NEWS b/NEWS
index 2a3e581..50a487f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+- ulri: improve handling of build failures
+
 0.6.29
 - iurt: support chroot tarballs with non gz compression
 - ulri,emi: fix deletion of src.rpm with non mandatory architectures
diff --git a/ulri b/ulri
index 07c793a..b41af1e 100755
--- a/ulri
+++ b/ulri
@@ -315,7 +315,6 @@ foreach my $prefix (keys %pkg_tree) {
 		next bot;
 	    }
 
-	    my $success;
 	    my $fail;
 	    my $later;
 
@@ -336,7 +335,7 @@ foreach my $prefix (keys %pkg_tree) {
 		}
 	    }
 
-	    if (!$fail) {
+	    if (!$fail && !$later) {
 		my @list = split "\n", sout($remote, "ls $prefix_dir");
 		my $error;
 		my $done;
@@ -374,31 +373,23 @@ foreach my $prefix (keys %pkg_tree) {
 		next if $error;
 
 		if ($done) {
-		    create_file("$done_dir/${prefix}_$arch.done", "$bot $host");
-		    $pkg_tree{$prefix}{media}{$media}{done_arch}{$arch} = 1;
-		    $success = 1;
-		}
-
-		if ($success) {
-		    # Fetch build log and clean remote machine
-		    make_path("$done_dir/$prefix");
-		    sget($remote, "$prefix_dir/log/*", "$done_dir/$prefix");
-		    ssh($remote, "rm -rf $prefix_dir");
 		    if (check_if_mandatory_arch_failed($media, $prefix, $ent, $config)) {
+			# Discard this arch as another mandatory one failed
 			cleanup_failed_build($todo_dir, $done_dir, $fail_dir, $prefix, $ent, $media, $arch, $config);
 		    } else {
+			create_file("$done_dir/${prefix}_$arch.done", "$bot $host");
+			$pkg_tree{$prefix}{media}{$media}{done_arch}{$arch} = 1;
+			make_path("$done_dir/$prefix");
+			sget($remote, "$prefix_dir/log/*", "$done_dir/$prefix");
 			$something_finished = 1;
 		    }
+		    # Either we already fetched the success logs, or don't care
+		    # as this success was discarded due to another failure.
+		    ssh($remote, "rm -rf $prefix_dir");
+		    next bot;
 		}
 	    }
 
-	    next bot if $later;
-
-	    next bot if $success && !$fail;
-
-	    plog('FAIL', "build failed");
-	    create_file("$done_dir/${prefix}_$arch.fail", "$bot $host");
-	    $pkg_tree{$prefix}{media}{$media}{failed_arch}{$arch} = 1;
 	    make_path($fail_dir);
 
 	    mkdir("$fail_dir/$prefix"); 
@@ -407,17 +398,23 @@ foreach my $prefix (keys %pkg_tree) {
 		     "to $fail_dir/ failed ($!)");
 		$pkg_tree{$prefix}{media}{$media}{arch}{$arch} = 0;
 	    }
+	    # clean the log on the compilation machine
+	    ssh($remote, "rm -rf $prefix_dir");
+
+	    # We got the logs but want to retry so don't record a failure
+	    next bot if $later;
 
 	    cleanup_failed_build($todo_dir, $done_dir, $fail_dir, $prefix, $ent, $media, $arch, $config);
 
+	    plog('FAIL', "build failed");
+	    create_file("$done_dir/${prefix}_$arch.fail", "$bot $host");
+	    $pkg_tree{$prefix}{media}{$media}{failed_arch}{$arch} = 1;
+
 	    # Notify user if build failed
-	    #
 	    if ($user) {
 		warn_about_failure($config, $user, $ent, $arch, $fail_dir, $path, $prefix);
 	    }
 
-	    # clean the log on the compilation machine
-	    ssh($remote, "rm -rf $prefix_dir");
 
 	} # end bot
     } # end path
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