From 1e85919e1c3af7424a4d5bc6aef6c97b8f55c957 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 9 May 2017 15:46:41 +0200
Subject: Email log fragment when bbot issues diagnostics

---
 buildos | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

(limited to 'buildos')

diff --git a/buildos b/buildos
index 8dfd3d3..78c16c2 100755
--- a/buildos
+++ b/buildos
@@ -985,18 +985,37 @@ EOF
 	      c+=("--after-cursor" "$oc")
 	    fi
 
-	    nc="$("${c[@]}" --no-pager --quiet --priority 4 --show-cursor | \
-sed -n -re 's/^-- cursor: (.+)$/\1/p')"
+	    # Get the log range: the first line is the date of the first error
+	    # and the second line is the end cursor.
+	    #
+	    lr="$("${c[@]}" --no-pager --quiet --output short-full \
+--priority 4 --show-cursor | \
+sed -n -re '1s/^... ([^ ]+ [^ ]+) .*$/\1/p;s/^-- cursor: (.+)$/\1/p')"
+
+	    nc="$(sed -n -e '2p' <<<"$lr")"
 
 	    # If we have no new entries, then nothing to do.
 	    #
 	    if [ -n "$nc" -a "$nc" != "$oc" ]; then
+
+	      # Try to get some context for the first error entry. This is
+	      # unexpectedly hard in systemd. So we are going to get all the
+	      # entries that start a minute ago.
+	      #
+	      sd="$(sed -n -e '1p' <<<"$lr")"
+	      sd="$(date '+%Y-%m-%d %H:%M:%S' -d "$sd +00:01")"
+
 	      s="bbot-agent@$tn service issued new diagnostics"
 
 	      info "$s"
-	      email "$s" <<EOF
-$tn.bbot_cmd: ssh build@$hname ${c[@]}
-EOF
+	      {
+		echo "$tn.bbot_cmd: ssh build@$hname ${c[@]}";
+		echo;
+		echo;
+		"${c[@]}" --no-pager --quiet --output short-full \
+			  --since "$sd" --lines 100
+	      } | email "$s"
+
 	      toolchain_cursors["$tn"]="$nc"
 	    fi
 
-- 
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