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authorlassulus <lassulus@lassul.us>2023-01-19 14:11:01 +0100
committerlassulus <lassulus@lassul.us>2023-01-19 14:11:01 +0100
commitb51998cfae7b6fe892f9f0f9a2c0ffcfeeded0ba (patch)
treeca76ec46d32a99edacfd2d0be19a7f1ef410fe76 /krebs/3modules/github/update
parent347bb9ae00f8f1b6942f94d4c983593052a5c227 (diff)
parent57abca263fe86259807e5597d1c8f11c3c3acd44 (diff)
Merge remote-tracking branch 'ni/master'
Diffstat (limited to 'krebs/3modules/github/update')
-rwxr-xr-xkrebs/3modules/github/update15
1 files changed, 15 insertions, 0 deletions
diff --git a/krebs/3modules/github/update b/krebs/3modules/github/update
new file mode 100755
index 000000000..3952dabae
--- /dev/null
+++ b/krebs/3modules/github/update
@@ -0,0 +1,15 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p cidr2glob curl git jq
+
+# update known-hosts.json
+#
+# usage: ./update
+
+set -efu
+
+# XXX IPv6 addresses are currently ignored
+curl -sS https://api.github.com/meta | jq -r .git[] | grep -v : | cidr2glob | jq -Rs 'split("\n")|map(select(.!=""))' > known-hosts.json
+
+if git diff --exit-code known-hosts.json; then
+ echo known-hosts.json is up to date: nothing to do >&2
+fi