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-rw-r--r--pkgs/krops/default.nix65
-rw-r--r--pkgs/populate/default.nix10
2 files changed, 64 insertions, 11 deletions
diff --git a/pkgs/krops/default.nix b/pkgs/krops/default.nix
index 63d23dc..04c38cf 100644
--- a/pkgs/krops/default.nix
+++ b/pkgs/krops/default.nix
@@ -4,16 +4,24 @@ in
{ nix, openssh, populate, writers }: rec {
- rebuild = args: target:
- runShell target {} "nixos-rebuild -I ${lib.escapeShellArg target.path} ${
- lib.concatMapStringsSep " " lib.escapeShellArg args
- }";
+ rebuild = {
+ useNixOutputMonitor
+ }:
+ args: target:
+ runShell target {}
+ (withNixOutputMonitor target useNixOutputMonitor /* sh */ ''
+ NIX_PATH=${lib.escapeShellArg target.path} \
+ nixos-rebuild ${lib.escapeShellArgs args}
+ '');
runShell = target: {
allocateTTY ? false
}: command:
let
- command' = if target.sudo then "sudo ${command}" else command;
+ command' = /* sh */ ''
+ ${lib.optionalString target.sudo "sudo"} \
+ /bin/sh -c ${lib.escapeShellArg command}
+ '';
in
if lib.isLocalTarget target
then command'
@@ -24,9 +32,44 @@ in
(if allocateTTY then "-t" else "-T")
target.extraOptions
target.host
- command'])}
+ command'
+ ])}
'';
+ withNixOutputMonitor = target: mode_: command: let
+ mode =
+ lib.getAttr (lib.typeOf mode_) {
+ bool = lib.toJSON mode_;
+ string = mode_;
+ };
+ in /* sh */ ''
+ printf '# use nix-output-monitor: %s\n' ${lib.escapeShellArg mode} >&2
+ ${lib.getAttr mode rec {
+ opportunistic = /* sh */ ''
+ if command -v nom >/dev/null; then
+ ${optimistic}
+ else
+ ${false}
+ fi
+ '';
+ optimistic = /* sh */ ''
+ (${command}) 2>&1 | nom
+ '';
+ pessimistic = /* sh */ ''
+ NIX_PATH=${lib.escapeShellArg target.path} \
+ nix-shell -p nix-output-monitor --run ${lib.escapeShellArg optimistic}
+ '';
+ true = /* sh */ ''
+ if command -v nom >/dev/null; then
+ ${optimistic}
+ else
+ ${pessimistic}
+ fi
+ '';
+ false = command;
+ }}
+ '';
+
writeCommand = name: {
command ? (targetPath: "echo ${targetPath}"),
backup ? false,
@@ -51,7 +94,8 @@ in
force ? false,
operation ? "switch",
source,
- target
+ target,
+ useNixOutputMonitor ? "opportunistic"
}: let
buildTarget' =
if buildTarget == null
@@ -65,7 +109,7 @@ in
${lib.optionalString (buildTarget' != target')
(populate { inherit backup force source; target = buildTarget'; })}
${populate { inherit backup force source; target = target'; }}
- ${rebuild ([
+ ${rebuild { inherit useNixOutputMonitor; } ([
operation
] ++ lib.optionals crossDeploy [
"--no-build-nix"
@@ -82,7 +126,8 @@ in
backup ? false,
force ? false,
source,
- target
+ target,
+ trace ? false
}: let
target' = lib.mkTarget target;
in
@@ -95,7 +140,7 @@ in
-A system \
--keep-going \
--no-out-link \
- --show-trace \
+ ${lib.optionalString trace "--show-trace"} \
'<nixpkgs/nixos>'
'';
}
diff --git a/pkgs/populate/default.nix b/pkgs/populate/default.nix
index 7edb66b..80e2b96 100644
--- a/pkgs/populate/default.nix
+++ b/pkgs/populate/default.nix
@@ -119,7 +119,15 @@ let
umask 0077
if test -e ${quote source.dir}/.git; then
- local_pass_info=${quote source.name}\ $(${git}/bin/git -C ${quote source.dir} log -1 --format=%H ${quote source.name})
+ local_pass_info=${quote source.name}\ $(
+ ${git}/bin/git -C ${quote source.dir} log -1 --format=%H ${quote source.name}
+ # we append a hash for every symlink, otherwise we would miss updates on
+ # files where the symlink points to
+ ${findutils}/bin/find ${quote source.dir}/${quote source.name} -type l \
+ -exec ${coreutils}/bin/realpath {} + |
+ ${coreutils}/bin/sort |
+ ${findutils}/bin/xargs -r -n 1 ${git}/bin/git -C ${quote source.dir} log -1 --format=%H
+ )
remote_pass_info=$(${runShell target /* sh */ ''
cat ${quote target.path}/.pass_info || :
''})