From d3f1f6a0d9e927000d6be8e605428c2c7beb4fb5 Mon Sep 17 00:00:00 2001
From: h7x4 <h7x4@nani.wtf>
Date: Tue, 5 Nov 2024 22:57:08 +0100
Subject: [PATCH] missingChangelogFinder: init

---
 missingChangelogFinder/run.sh | 46 +++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 missingChangelogFinder/run.sh

diff --git a/missingChangelogFinder/run.sh b/missingChangelogFinder/run.sh
new file mode 100644
index 0000000..d0032d9
--- /dev/null
+++ b/missingChangelogFinder/run.sh
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+# --- OPTIONS ---
+declare -r NIXPKGS_PATH="$HOME/nixpkgs"
+# See https://git.pvv.ntnu.no/oysteikt/nixpkgs-meta-dump
+declare -r METADUMP="$(pwd)/result"
+# ---------------
+
+declare -r JQ_TRANSFORMATION='
+[to_entries[]
+  | select (.value.changelog == null)
+	| { name: .key, url: .value.homepage, pos: .value.position }]
+| map(select(.url != null))
+| map(select(.url|type == "string"))
+| map(select(.url | test("^https?://github.com.*")))
+| .[].url |= sub("^https?://github.com/(?<x>.+/.+/?).*"; "\(.x)")
+| .[]
+'
+
+declare -r RESULT=$(jq -c <"$METADUMP" "$JQ_TRANSFORMATION")
+declare -r FZF_PREVIEW_COMMAND="
+echo {} \
+| jq -r '.url | \"repos/\\(.)\/releases\"' \
+| xargs gh api \
+| jq -r '[.[].body] | join(\"\n---------------------------------------------------------------------------\n\")'
+"
+
+CHOSEN_ENTRY=$(fzf <<<"$RESULT" --preview "$FZF_PREVIEW_COMMAND")
+
+if [ "$CHOSEN_ENTRY" == "" ]; then
+  exit 0
+fi
+
+declare -r PACKAGE_URL_PIECE=$(jq -r '.url' <<<"$CHOSEN_ENTRY")
+declare -r NIXPKGS_REL_POSITION=$(jq -r '.pos' <<<"$CHOSEN_ENTRY" | sed -E -s 's|/nix/store/[0-9a-z]+-source/(.+?):[[:digit:]]+|\1|')
+declare -r NIXPKGS_POSITION="$NIXPKGS_PATH/$NIXPKGS_REL_POSITION"
+
+# Determine whether finalattrs or rec (or nothing atm)
+# This could use some more work
+if grep -q "finalAttrs" "$NIXPKGS_POSITION"; then
+  export NVIM_CLIPBOARD="changelog = \"https://github.com/${PACKAGE_URL_PIECE}/releases/tag/\${finalAttrs.src.rev}\";"
+else
+  export NVIM_CLIPBOARD="changelog = \"https://github.com/${PACKAGE_URL_PIECE}/releases/tag/\${src.rev}\";"
+fi
+
+nvim "$NIXPKGS_POSITION"