diff options
-rw-r--r-- | krebs/5pkgs/simple/github-hosts-sync/default.nix | 4 | ||||
-rwxr-xr-x | krebs/5pkgs/simple/github-hosts-sync/src/hosts-sync | 66 |
2 files changed, 68 insertions, 2 deletions
diff --git a/krebs/5pkgs/simple/github-hosts-sync/default.nix b/krebs/5pkgs/simple/github-hosts-sync/default.nix index cdfed468c..8caa5e1ef 100644 --- a/krebs/5pkgs/simple/github-hosts-sync/default.nix +++ b/krebs/5pkgs/simple/github-hosts-sync/default.nix @@ -3,7 +3,7 @@ stdenv.mkDerivation { name = "github-hosts-sync"; - src = pkgs.painload; + src = ./src; phases = [ "unpackPhase" @@ -29,7 +29,7 @@ stdenv.mkDerivation { sed \ 's,^main() {$,&\n export PATH=${path} GIT_SSL_CAINFO=${ca-bundle},' \ - < ./retiolum/scripts/github_hosts_sync/hosts-sync \ + < hosts-sync \ > $out/bin/github-hosts-sync chmod +x $out/bin/github-hosts-sync diff --git a/krebs/5pkgs/simple/github-hosts-sync/src/hosts-sync b/krebs/5pkgs/simple/github-hosts-sync/src/hosts-sync new file mode 100755 index 000000000..f36c700d8 --- /dev/null +++ b/krebs/5pkgs/simple/github-hosts-sync/src/hosts-sync @@ -0,0 +1,66 @@ +#! /bin/sh +# TODO do_work should retry until success +set -euf + +port=${port-1028} +local_painload=$HOME/painload +remote_painload="https://github.com/krebscode/painload" +local_hosts=$HOME/hosts +remote_hosts="git@github.com:krebscode/hosts.git" + +main() { + ensure_local_painload + ensure_local_hosts + is_worker && do_work || become_server +} + +ensure_local_painload() { + test -d "$local_painload" || git clone "$remote_painload" "$local_painload" +} + +ensure_local_hosts() { + test -d "$local_hosts" || git clone "$remote_hosts" "$local_hosts" +} + +become_server() { + exec socat "TCP-LISTEN:$port,reuseaddr,fork" "EXEC:$0" +} + +is_worker() { + test "${SOCAT_SOCKPORT-}" = "$port" +} + +do_work() { + # read request + req_line="$(read line && echo "$line")" + req_hdrs="$(sed -n '/^\r$/q;p')" + + set -x + + cd "$local_hosts" + git pull >&2 + + cd "$local_hosts" + find . -name .git -prune -o -type f -exec git rm \{\} \; >/dev/null + + cd "$local_painload" + git pull >&2 + + find "$local_painload/retiolum/hosts" -type f -exec cp \{\} "$local_hosts" \; + + cd "$local_hosts" + find . -name .git -prune -o -type f -exec git add \{\} \; >&2 + if git status --porcelain | grep -q .; then + git config user.email "$LOGNAME@$(hostname)" + git config user.name "$LOGNAME" + git commit -m bump >&2 + git push >&2 + fi + + echo "HTTP/1.1 200 OK" + echo + echo "https://github.com/krebscode/hosts/archive/master.tar.gz" + echo "https://github.com/krebscode/hosts/archive/master.zip" +} + +main "$@" |