2 files changed, 50 insertions, 22 deletions
diff --git a/krebs/5pkgs/simple/github-hosts-sync/default.nix b/krebs/5pkgs/simple/github-hosts-sync/default.nix
index cdfed468c..fbc48fa3f 100644
--- a/krebs/5pkgs/simple/github-hosts-sync/default.nix
+++ b/krebs/5pkgs/simple/github-hosts-sync/default.nix
@@ -1,37 +1,32 @@
 { pkgs, stdenv, ... }:
 
-stdenv.mkDerivation {
-  name = "github-hosts-sync";
+stdenv.mkDerivation rec {
+  name = "github-hosts-sync-${version}";
+  version = "2.0.0";
 
-  src = pkgs.painload;
+  src = ./src;
 
   phases = [
     "unpackPhase"
     "installPhase"
   ];
 
-  installPhase =
-    let
-      ca-bundle = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
-      path = stdenv.lib.makeBinPath (with pkgs; [
-        coreutils
-        findutils
-        git
-        gnugrep
-        gnused
-        nettools
-        openssh
-        socat
-      ]);
-    in
+  installPhase = let
+    ca-bundle = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
+    path = stdenv.lib.makeBinPath [
+      pkgs.git
+      pkgs.nettools
+      pkgs.openssh
+      pkgs.rsync
+    ];
+  in
     ''
       mkdir -p $out/bin
 
-      sed \
-        's,^main() {$,&\n  export PATH=${path} GIT_SSL_CAINFO=${ca-bundle},' \
-        < ./retiolum/scripts/github_hosts_sync/hosts-sync \
-        > $out/bin/github-hosts-sync
+      cp hosts-sync $out/bin/github-hosts-sync
 
-      chmod +x $out/bin/github-hosts-sync
+      sed -i \
+        '1s,$,\nPATH=${path}''${PATH+:$PATH} GIT_SSL_CAINFO=${ca-bundle},' \
+        $out/bin/github-hosts-sync
     '';
 }
diff --git a/krebs/5pkgs/simple/github-hosts-sync/src/hosts-sync b/krebs/5pkgs/simple/github-hosts-sync/src/hosts-sync
new file mode 100755
index 000000000..a8973e72b
--- /dev/null
+++ b/krebs/5pkgs/simple/github-hosts-sync/src/hosts-sync
@@ -0,0 +1,33 @@
+#! /bin/sh
+set -efu
+exec >&2
+
+hosts_srcdir=$GITHUB_HOST_SYNC_SRCDIR
+hosts_worktree=${GITHUB_HOST_SYNC_WORKTREE-/tmp/hosts}
+hosts_url=${GITHUB_HOST_SYNC_URL-git@github.com:krebs/hosts.git}
+user_mail=${GITHUB_HOST_SYNC_USER_MAIL-$LOGNAME@$(hostname)}
+user_name=${GITHUB_HOST_SYNC_USER_NAME-$LOGNAME}
+
+test -d "$hosts_worktree" || git clone "$hosts_url" "$hosts_worktree"
+
+cd "$hosts_worktree"
+
+git pull
+
+rsync \
+    --chmod D755,F644 \
+    --delete-excluded \
+    --filter 'protect .git' \
+    --recursive \
+    --verbose \
+    "$hosts_srcdir/" \
+    .
+
+git add .
+
+if test -n "$(git status --porcelain)"; then
+  git config user.email "$user_mail"
+  git config user.name "$user_name"
+  git commit -m bump
+  git push
+fi