Merge master into staging-next

pkgs/build-support/build-fhs-userenv-bubblewrap/default.nix

@@ -1,4 +1,6 @@
-{ lib, callPackage, runCommandLocal, writeShellScriptBin, coreutils, bubblewrap }:
+{ lib, callPackage, runCommandLocal, writeShellScriptBin, glibc, pkgsi686Linux, coreutils, bubblewrap }:
+
+let buildFHSEnv = callPackage ./env.nix { }; in
 
 args @ {
   name
@@ -60,29 +62,53 @@ let
   in concatStringsSep "\n  "
   (map (file: "--ro-bind-try /etc/${file} /etc/${file}") files);
 
+  # Create this on the fly instead of linking from /nix
+  # The container might have to modify it and re-run ldconfig if there are
+  # issues running some binary with LD_LIBRARY_PATH
+  createLdConfCache = ''
+    cat > /etc/ld.so.conf <<EOF
+    /lib
+    /lib/x86_64-linux-gnu
+    /lib64
+    /usr/lib
+    /usr/lib/x86_64-linux-gnu
+    /usr/lib64
+    /lib/i386-linux-gnu
+    /lib32
+    /usr/lib/i386-linux-gnu
+    /usr/lib32
+    EOF
+    ldconfig &> /dev/null
+  '';
   init = run: writeShellScriptBin "${name}-init" ''
     source /etc/profile
+    ${createLdConfCache}
     exec ${run} "$@"
   '';
 
   bwrapCmd = { initArgs ? "" }: ''
     blacklist=(/nix /dev /proc /etc)
     ro_mounts=()
+    symlinks=()
     for i in ${env}/*; do
       path="/''${i##*/}"
       if [[ $path == '/etc' ]]; then
-        continue
+        :
+      elif [[ -L $i ]]; then
+        symlinks+=(--symlink "$(readlink "$i")" "$path")
+        blacklist+=("$path")
+      else
+        ro_mounts+=(--ro-bind "$i" "$path")
+        blacklist+=("$path")
       fi
-      ro_mounts+=(--ro-bind "$i" "$path")
-      blacklist+=("$path")
     done
 
     if [[ -d ${env}/etc ]]; then
       for i in ${env}/etc/*; do
         path="/''${i##*/}"
-        # NOTE: we're binding /etc/fonts from the host so we don't want to
-        # override it with a path from the FHS environment.
-        if [[ $path == '/fonts' ]]; then
+        # NOTE: we're binding /etc/fonts and /etc/ssl/certs from the host so we
+        # don't want to override it with a path from the FHS environment.
+        if [[ $path == '/fonts' || $path == '/ssl' ]]; then
           continue
         fi
         ro_mounts+=(--ro-bind "$i" "/etc$path")
@@ -112,8 +138,26 @@ let
       ${lib.optionalString unshareCgroup "--unshare-cgroup"}
       --die-with-parent
       --ro-bind /nix /nix
+      # Our glibc will look for the cache in its own path in `/nix/store`.
+      # As such, we need a cache to exist there, because pressure-vessel
+      # depends on the existence of an ld cache. However, adding one
+      # globally proved to be a bad idea (see #100655), the solution we
+      # settled on being mounting one via bwrap.
+      # Also, the cache needs to go to both 32 and 64 bit glibcs, for games
+      # of both architectures to work.
+      --tmpfs ${glibc}/etc \
+      --symlink /etc/ld.so.conf ${glibc}/etc/ld.so.conf \
+      --symlink /etc/ld.so.cache ${glibc}/etc/ld.so.cache \
+      --ro-bind ${glibc}/etc/rpc ${glibc}/etc/rpc \
+      --remount-ro ${glibc}/etc \
+      --tmpfs ${pkgsi686Linux.glibc}/etc \
+      --symlink /etc/ld.so.conf ${pkgsi686Linux.glibc}/etc/ld.so.conf \
+      --symlink /etc/ld.so.cache ${pkgsi686Linux.glibc}/etc/ld.so.cache \
+      --ro-bind ${pkgsi686Linux.glibc}/etc/rpc ${pkgsi686Linux.glibc}/etc/rpc \
+      --remount-ro ${pkgsi686Linux.glibc}/etc \
       ${etcBindFlags}
       "''${ro_mounts[@]}"
+      "''${symlinks[@]}"
       "''${auto_mounts[@]}"
       ${init runScript}/bin/${name}-init ${initArgs}
     )

pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix

@@ -1,4 +1,4 @@
-{ stdenv, buildEnv, writeText, pkgs, pkgsi686Linux }:
+{ stdenv, lib, buildEnv, writeText, writeShellScriptBin, pkgs, pkgsi686Linux }:
 
 { name, profile ? ""
 , targetPkgs ? pkgs: [], multiPkgs ? pkgs: []
@@ -49,6 +49,9 @@ let
     [ (toString gcc.cc.lib)
     ];
 
+  ldconfig = writeShellScriptBin "ldconfig" ''
+    exec ${pkgs.glibc.bin}/bin/ldconfig -f /etc/ld.so.conf -C /etc/ld.so.cache "$@"
+  '';
   etcProfile = writeText "profile" ''
     export PS1='${name}-chrootenv:\u@\h:\w\$ '
     export LOCALE_ARCHIVE='/usr/lib/locale/locale-archive'
@@ -86,7 +89,8 @@ let
   # Composes a /usr-like directory structure
   staticUsrProfileTarget = buildEnv {
     name = "${name}-usr-target";
-    paths = [ etcPkg ] ++ basePkgs ++ targetPaths;
+    # ldconfig wrapper must come first so it overrides the original ldconfig
+    paths = [ etcPkg ldconfig ] ++ basePkgs ++ targetPaths;
     extraOutputsToInstall = [ "out" "lib" "bin" ] ++ extraOutputsToInstall;
     ignoreCollisions = true;
   };
@@ -132,7 +136,20 @@ let
     mkdir -m0755 usr
     cd usr
     ${setupLibDirs}
-    for i in bin sbin share include; do
+    ${lib.optionalString isMultiBuild ''
+    if [ -d "${staticUsrProfileMulti}/share" ]; then
+      cp -rLf ${staticUsrProfileMulti}/share share
+    fi
+    ''}
+    if [ -d "${staticUsrProfileTarget}/share" ]; then
+      if [ -d share ]; then
+        chmod -R 755 share
+        cp -rLTf ${staticUsrProfileTarget}/share share
+      else
+        cp -rLf ${staticUsrProfileTarget}/share share
+      fi
+    fi
+    for i in bin sbin include; do
       if [ -d "${staticUsrProfileTarget}/$i" ]; then
         cp -rsHf "${staticUsrProfileTarget}/$i" "$i"
       fi

pkgs/build-support/emacs/wrapper.nix

@@ -147,9 +147,15 @@ runCommand
         # Begin the new site-start.el by loading the original, which sets some
         # NixOS-specific paths. Paths are searched in the reverse of the order
         # they are specified in, so user and system profile paths are searched last.
+        #
+        # NOTE: Avoid displaying messages early at startup by binding
+        # inhibit-message to t. This would prevent the Emacs GUI from showing up
+        # prematurely. The messages would still be logged to the *Messages*
+        # buffer.
         rm -f $siteStart $siteStartByteCompiled $subdirs $subdirsByteCompiled
         cat >"$siteStart" <<EOF
-        (load-file "$emacs/share/emacs/site-lisp/site-start.el")
+        (let ((inhibit-message t))
+          (load-file "$emacs/share/emacs/site-lisp/site-start.el"))
         (add-to-list 'load-path "$out/share/emacs/site-lisp")
         (add-to-list 'exec-path "$out/bin")
         ${optionalString nativeComp ''

pkgs/build-support/rust/default.nix

@@ -25,6 +25,9 @@
   # Legacy hash
 , cargoSha256 ? ""
 
+  # Name for the vendored dependencies tarball
+, cargoDepsName ? name
+
 , src ? null
 , srcs ? null
 , unpackPhase ? null
@@ -59,7 +62,8 @@ let
 
   cargoDeps = if cargoVendorDir == null
     then fetchCargoTarball ({
-        inherit name src srcs sourceRoot unpackPhase cargoUpdateHook;
+        inherit src srcs sourceRoot unpackPhase cargoUpdateHook;
+        name = cargoDepsName;
         hash = cargoHash;
         patches = cargoPatches;
         sha256 = cargoSha256;