From 904de577261e7024373e7a42fd763184764238f9 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Tue, 10 Oct 2023 13:15:59 -0400
Subject: Don't swallow namespace-parsing errors

Previously, if there was a problem with the inputs and bild failed to
determine the namespace, 'fromPath' would return 'Nothing' and then
'catMaybes' would drop the error-causing input altogether. In the one
time that I had a bad input, this made debugging incredibly difficult.
It's always a bad idea to swallow errors silently, so instead lets just
kill the program if we have bad inputs.
---
 Biz/Ide/hooks/post-checkout.bash | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 Biz/Ide/hooks/post-checkout.bash

(limited to 'Biz/Ide/hooks/post-checkout.bash')

diff --git a/Biz/Ide/hooks/post-checkout.bash b/Biz/Ide/hooks/post-checkout.bash
new file mode 100755
index 0000000..73488b0
--- /dev/null
+++ b/Biz/Ide/hooks/post-checkout.bash
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -e
+mktags=${CODEROOT:?}/Biz/Ide/mktags
+old=$1
+new=$2
+# filter out only the changed haskell files
+changed=($(git diff --diff-filter=d --name-only $old $new -- '*.hs'))
+if [[ ! -r tags ]] || [[ ! -r TAGS ]]
+then
+    $mktags "$CODEROOT"/**/*
+elif [[ ${#changed[@]} -gt 0 ]]
+then
+    $mktags $changed
+fi
+direnv reload
-- 
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