From f0b98bd0114df1e1ebb82ff300f9532d86b3eb18 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Wed, 24 May 2017 01:43:50 +0200
Subject: krebs/5pkgs: move simple pkgs to a subdir

---
 krebs/5pkgs/simple/whatsupnix/whatsupnix.bash | 44 +++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 krebs/5pkgs/simple/whatsupnix/whatsupnix.bash

(limited to 'krebs/5pkgs/simple/whatsupnix/whatsupnix.bash')

diff --git a/krebs/5pkgs/simple/whatsupnix/whatsupnix.bash b/krebs/5pkgs/simple/whatsupnix/whatsupnix.bash
new file mode 100644
index 000000000..a19410055
--- /dev/null
+++ b/krebs/5pkgs/simple/whatsupnix/whatsupnix.bash
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+# Prints build logs for failed derivations in quiet build mode (-Q).
+# See https://github.com/NixOS/nix/issues/443
+#
+# Usage:
+#
+#    set -o pipefail
+#    nix-build ... -Q ... | whatsupnix
+#
+
+
+GAWK=${GAWK:-gawk}
+NIX_STORE=${NIX_STORE:-nix-store}
+
+broken=$(mktemp)
+trap 'rm -f -- "$broken"' EXIT
+
+exec >&2
+
+$GAWK -v broken="$broken" -f <(cat - <<- 'AWK'
+  match($0, /builder for .*(\/nix\/store\/.+\.drv).* failed/, m) {
+    print m[1] >> broken
+  }
+  { print $0 }
+AWK
+)
+
+export NIX_PAGER='' # for nix-store
+while read -r drv; do
+  title="** FAILED $drv LOG  **"
+  frame=${title//?/*}
+
+  echo "$frame"
+  echo "$title"
+  echo "$frame"
+  echo
+
+  $NIX_STORE -l "$drv"
+
+  echo
+done < "$broken"
+
+exit 0
-- 
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