From fa4f6748533a229216f9239ab4bc17500c2dfaf1 Mon Sep 17 00:00:00 2001
From: Hung <htran@egihosting.com>
Date: Thu, 23 Mar 2023 13:49:13 -0700
Subject: [PATCH] add upload to cache

---
 flake.lock                          | 24 ++++++++++++------------
 flake.nix                           |  2 --
 nix-conf/home-manager/hwtr/nix.conf |  1 +
 scripts/hm-switch.sh                |  5 +++--
 scripts/upload-to-cache.sh          | 11 +++++++++++
 5 files changed, 27 insertions(+), 16 deletions(-)
 create mode 100644 scripts/upload-to-cache.sh

diff --git a/flake.lock b/flake.lock
index 885c6b0..ade82ac 100644
--- a/flake.lock
+++ b/flake.lock
@@ -287,11 +287,11 @@
       },
       "locked": {
         "dir": "contrib",
-        "lastModified": 1679453843,
-        "narHash": "sha256-A5K608V6vAgWyqf6Q4pUWXsDJZ8K+cxSvegbUcdmSbg=",
+        "lastModified": 1679556473,
+        "narHash": "sha256-1kABkonN3VFGTUqb5vKCd5vrU182FGKww67KdnZ6QdQ=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "a7b537c7a4e5b6114cd75df5178199f4449c6480",
+        "rev": "ea0b66d208dbcd5d5c0a17810596d769c7a0b6dd",
         "type": "github"
       },
       "original": {
@@ -308,11 +308,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1679472829,
-        "narHash": "sha256-hcSVMIpuFuAyFEs+7h2fKym0cDUivgdkjm0TjMgEvYo=",
+        "lastModified": 1679559242,
+        "narHash": "sha256-2qQlbQPLRLmMgbFsY48qnMmgBlCsN9onqpZHx6DPXG0=",
         "owner": "nix-community",
         "repo": "neovim-nightly-overlay",
-        "rev": "7a114101d1b72e734fbaba9e523026dd1598bc7e",
+        "rev": "583c7d315e87975b3a226cafd3ac099b8fdd0b6b",
         "type": "github"
       },
       "original": {
@@ -330,11 +330,11 @@
         "rust-overlay": "rust-overlay_2"
       },
       "locked": {
-        "lastModified": 1679477897,
-        "narHash": "sha256-QI0YuJskVtEhV+7E7GAi04SYbU7KOQ7PEHLxuam7B40=",
+        "lastModified": 1679587834,
+        "narHash": "sha256-x55B7l1Sp/oMrPecwZFcDiqYh1uL+h19nkw274mgKys=",
         "owner": "tweag",
         "repo": "nickel",
-        "rev": "0c9fa8a960ca84bd5fa21a61f52834362a04ad4d",
+        "rev": "7284ce50a312c0a96b188e4c81e6e258b9521075",
         "type": "github"
       },
       "original": {
@@ -589,11 +589,11 @@
         "nixpkgs": "nixpkgs_5"
       },
       "locked": {
-        "lastModified": 1679451618,
-        "narHash": "sha256-gWFYRgmeT+8xDYHK4HSuCY9Pi7mSxC+2illHrmDkG7A=",
+        "lastModified": 1679537973,
+        "narHash": "sha256-R6borgcKeyMIjjPeeYsfo+mT8UdS+OwwbhhStdCfEjg=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "a89d328ca7d106c3fdbbd072b6c7088ab5b798a3",
+        "rev": "fbc7ae3f14d32e78c0e8d7865f865cc28a46b232",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 67aa746..28f6851 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,8 +2,6 @@
   nixConfig = {
     accept-flake-config = true;
     experimental-features = "nix-command flakes";
-    # for darwin's browser
-    allowUnsupportedSystem = true;
     max-jobs = 4;
   };
   description = "My personal configuration in Nix (and some native configurations)";
diff --git a/nix-conf/home-manager/hwtr/nix.conf b/nix-conf/home-manager/hwtr/nix.conf
index 899ea7a..cd5ea59 100644
--- a/nix-conf/home-manager/hwtr/nix.conf
+++ b/nix-conf/home-manager/hwtr/nix.conf
@@ -1,3 +1,4 @@
 accept-flake-config = true
 experimental-features = nix-command flakes
+post-build-hook = /etc/nix/upload-to-cache.sh
 
diff --git a/scripts/hm-switch.sh b/scripts/hm-switch.sh
index 4ee08c7..afc4854 100755
--- a/scripts/hm-switch.sh
+++ b/scripts/hm-switch.sh
@@ -8,14 +8,15 @@ echo "SCRIPT_DIR: ${SCRIPT_DIR}"
 HOME_MANAGER_DIR="${SCRIPT_DIR}/../nix-conf/home-manager"
 
 # Manage nix.conf. Ideally, this should be done with snapshot-based version
-# and with preview on-the-spot, with some timeout
+# and with preview on-the-spot, with some timeout (like deploy-rs)
 if [ -f /etc/nix/nix.conf ]; then
     # managed nix.conf
     BACKUP_FILE="/etc/nix/nix.conf.backup"
     echo "overwriting /etc/nix/nix.conf. Please find latest backup in ${BACKUP_FILE}"
     sudo cp /etc/nix/nix.conf ${BACKUP_FILE}
-    sudo cp "${HOME_MANAGER_DIR}/hwtr/nix.conf" /etc/nix/
 fi
+sudo cp "${HOME_MANAGER_DIR}/hwtr/nix.conf" /etc/nix/
+sudo cp "${SCRIPT_DIR}/upload-to-cache.sh" /etc/nix/
 
 # Mason is bad: it puts binaries onto xdg.data
 # let's make mason starts fresh, just in case we introduce RPATH hacks 
diff --git a/scripts/upload-to-cache.sh b/scripts/upload-to-cache.sh
new file mode 100644
index 0000000..5c42b4f
--- /dev/null
+++ b/scripts/upload-to-cache.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -eu
+set -f # disable globbing (/nix/store may contain glob chars)
+export IFS=' '
+
+# $OUT_PATHS when invoked by nix.settings.post-build-hook will be
+# space-separated paths to /nix/store/
+echo "Uploading paths" $OUT_PATHS
+exec nix copy --to "s3://example-nix-cache" $OUT_PATHS
+