From 3c50256346d10c9062d25750cf729cb7847ea562 Mon Sep 17 00:00:00 2001
From: Alexander Sosedkin <monk@unboiled.info>
Date: Sun, 19 Mar 2023 03:29:48 +0100
Subject: [PATCH] WIP: continue going /bin-less

---
 modules/environment/links.nix         | 13 ++++++----
 modules/environment/login/default.nix | 36 ++++++++++++++++++---------
 tests/fakedroid.sh                    |  1 -
 3 files changed, 32 insertions(+), 18 deletions(-)

diff --git a/modules/environment/links.nix b/modules/environment/links.nix
index a48ef5b..24ae9dd 100644
--- a/modules/environment/links.nix
+++ b/modules/environment/links.nix
@@ -6,6 +6,7 @@ with lib;
 
 let
   cfg = config.environment;
+  inherit (config.build) installationDir;
 in
 
 {
@@ -36,11 +37,13 @@ in
   config = {
 
     build.activationBefore = {
-      #linkBinSh = ''
-      #  $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents /bin
-      #  $DRY_RUN_CMD ln $VERBOSE_ARG --symbolic --force ${cfg.binSh} /bin/.sh.tmp
-      #  $DRY_RUN_CMD mv $VERBOSE_ARG /bin/.sh.tmp /bin/sh
-      #'';
+      linkBinSh = ''
+        $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents ${installationDir}/bin
+        $DRY_RUN_CMD ln $VERBOSE_ARG --symbolic --force \
+          ${cfg.binSh} ${installationDir}/bin/.sh.tmp
+        $DRY_RUN_CMD mv $VERBOSE_ARG \
+          ${installationDir}/bin/.sh.tmp ${installationDir}/bin/sh
+      '';
 
       linkUsrBinEnv = ''
         $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents /usr/bin
diff --git a/modules/environment/login/default.nix b/modules/environment/login/default.nix
index 0152700..7265e19 100644
--- a/modules/environment/login/default.nix
+++ b/modules/environment/login/default.nix
@@ -7,8 +7,9 @@ with lib;
 let
   cfg = config.environment.files;
 
-  login = pkgs.callPackage ./login.nix { inherit config; };
+  inherit (config.build) installationDir;
 
+  login = pkgs.callPackage ./login.nix { inherit config; };
   loginInner = pkgs.callPackage ./login-inner.nix { inherit config initialPackageInfo; };
 in
 
@@ -50,11 +51,14 @@ in
 
     build.activation = {
       installLogin = ''
-        if ! diff /bin/login ${login} > /dev/null; then
-          $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents /bin
-          $DRY_RUN_CMD cp $VERBOSE_ARG ${login} /bin/.login.tmp
-          $DRY_RUN_CMD chmod $VERBOSE_ARG u+w /bin/.login.tmp
-          $DRY_RUN_CMD mv $VERBOSE_ARG /bin/.login.tmp /bin/login
+        if ! diff ${installationDir}/bin/login ${login} > /dev/null; then
+          $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents ${installationDir}/bin
+          $DRY_RUN_CMD cp $VERBOSE_ARG ${login} \
+            ${installationDir}/bin/.login.tmp
+          $DRY_RUN_CMD chmod $VERBOSE_ARG u+w \
+            ${installationDir}/bin/.login.tmp
+          $DRY_RUN_CMD mv $VERBOSE_ARG \
+            ${installationDir}/bin/.login.tmp ${installationDir}/bin/login
         fi
       '';
 
@@ -69,12 +73,20 @@ in
       '';
 
       installProotStatic = ''
-        if (test -e /bin/.proot-static.new && ! diff /bin/.proot-static.new ${cfg.prootStatic}/bin/proot-static > /dev/null) || \
-            (! test -e /bin/.proot-static.new && ! diff /bin/proot-static ${cfg.prootStatic}/bin/proot-static > /dev/null); then
-          $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents /bin
-          $DRY_RUN_CMD cp $VERBOSE_ARG ${cfg.prootStatic}/bin/proot-static /bin/.proot-static.tmp
-          $DRY_RUN_CMD chmod $VERBOSE_ARG u+w /bin/.proot-static.tmp
-          $DRY_RUN_CMD mv $VERBOSE_ARG /bin/.proot-static.tmp /bin/.proot-static.new
+      if (test -e ${installationDir}/bin/.proot-static.new && \
+          ! diff ${installationDir}/bin/.proot-static.new \
+                 ${cfg.prootStatic}/bin/proot-static > /dev/null) || \
+         (! test -e ${installationDir}/bin/.proot-static.new && \
+          ! diff ${installationDir}/bin/proot-static \
+                 ${cfg.prootStatic}/bin/proot-static > /dev/null); then
+          $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents ${installationDir}/bin
+          $DRY_RUN_CMD cp $VERBOSE_ARG ${cfg.prootStatic}/bin/proot-static \
+            ${installationDir}/bin/.proot-static.tmp
+          $DRY_RUN_CMD chmod $VERBOSE_ARG u+w \
+            ${installationDir}/bin/.proot-static.tmp
+          $DRY_RUN_CMD mv $VERBOSE_ARG \
+            ${installationDir}/bin/.proot-static.tmp \
+            ${installationDir}/bin/.proot-static.new
         fi
       '';
     };
diff --git a/tests/fakedroid.sh b/tests/fakedroid.sh
index 7796853..c4654a3 100644
--- a/tests/fakedroid.sh
+++ b/tests/fakedroid.sh
@@ -52,7 +52,6 @@ PROOT_ARGS=(
     "-q" "$QEMU"
     "-w" "$TARGET_HOME"
     "-b" "$ENV_DIR/$INSTALLATION_DIR/nix:/nix"
-    "-b" "$ENV_DIR/$INSTALLATION_DIR/bin:/bin"
     "-b" "$ENV_DIR/$INSTALLATION_DIR/etc:/etc"
     "-b" "$ENV_DIR/$INSTALLATION_DIR/tmp:/tmp"
     "-b" "$ENV_DIR/$INSTALLATION_DIR/usr:/usr"