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1#!/usr/bin/env bash
2set -euo pipefail
3
4# Tracking the fork branch that carries fix/pmtu-blackhole-recovery.
5# Revert to owner=Mic92 / branch=main once it merges upstream.
6owner=Lassulus
7repo=tincr
8branch=fix/pmtu-blackhole-recovery
9attr=tincr
10
11pkg="$(dirname "$(realpath "$0")")/package.nix"
12
13cd "$(dirname "$(realpath "$0")")"
14while [ ! -e flake.nix ] && [ "$PWD" != / ]; do cd ..; done
15system=$(nix eval --raw --impure --expr 'builtins.currentSystem')
16
17new_rev=$(curl -fsSL "https://api.github.com/repos/$owner/$repo/commits/$branch" | jq -r .sha)
18old_rev=$(grep -oP '^\s*rev = "\K[^"]+' "$pkg")
19if [ "$old_rev" = "$new_rev" ]; then
20 echo "$attr: already up to date ($new_rev)"
21 exit 0
22fi
23
24new_date=$(curl -fsSL "https://api.github.com/repos/$owner/$repo/commits/$new_rev" | jq -r .commit.author.date | cut -d T -f1)
25new_version="0-unstable-$new_date"
26
27# Bump rev + version, leave hashes for nix to complain about.
28sed -i \
29 -e "s|^\(\s*\)rev = \".*\"|\1rev = \"$new_rev\"|" \
30 -e "s|^\(\s*\)version = \".*\"|\1version = \"$new_version\"|" \
31 "$pkg"
32
33# Each FOD reports its own hash on first miss; build twice (src, then vendor).
34extract_got() {
35 awk '/got:/{print $2; exit}'
36}
37update_hash() {
38 local field=$1 new=$2
39 sed -i "s|^\(\s*\)$field = \"[^\"]*\"|\1$field = \"$new\"|" "$pkg"
40}
41
42build_attr=".#packages.$system.$attr"
43
44if got=$(nix build --no-link "$build_attr" 2>&1 | tee /dev/stderr | extract_got) \
45 && [ -n "$got" ]; then
46 update_hash hash "$got"
47 echo "$attr: src hash → $got"
48fi
49
50if got=$(nix build --no-link "$build_attr" 2>&1 | tee /dev/stderr | extract_got) \
51 && [ -n "$got" ]; then
52 update_hash cargoHash "$got"
53 echo "$attr: cargoHash → $got"
54fi
55
56echo "$attr: updated to $new_rev ($new_version)"
57nix build --no-link "$build_attr"