tmux, bash, mgmt fiddling

private_dot_config/private_mgmt/fns/github_latest.bash

@@ -0,0 +1,18 @@
+# shellcheck shell=bash
+
+github_latest() {
+    repo="$1"
+    tag="${2:-latest}"
+    if [ "$tag" = "--no-latest-tag" ]; then
+        curl -sfSL "https://github.com/$repo/tags" \
+            | perl -ne 'm,a href="/'"$repo"'/releases/tag/v(\d\.\d(?:.\d)?)", && print "$1\n"' \
+            | sort -V \
+            | tail -n1 || echo "[github error]"
+    else
+        curl -sfSI "https://github.com/$repo/releases/$tag" \
+            | grep '^location' \
+            | awk -F/ '{print $NF}' \
+            | sed 's/\s\+$//' || echo "[github error]"
+    fi
+}
+