From 2d0e31b3584b3d1d272c8d765a152a1659dffa95 Mon Sep 17 00:00:00 2001
From: Slendi <slendi@socopon.com>
Date: Tue, 16 Sep 2025 14:16:02 +0300
Subject: [PATCH] sdf

Signed-off-by: Slendi <slendi@socopon.com>
---
 flake.nix | 91 ++++++++++++++++++++++++++++++-------------------------
 1 file changed, 50 insertions(+), 41 deletions(-)

diff --git a/flake.nix b/flake.nix
index 4bbed3a..7bc5079 100644
--- a/flake.nix
+++ b/flake.nix
@@ -57,55 +57,64 @@
                 pkgs.gzip
               ];
               buildCommand = ''
-                set -euo pipefail
-                PAY="$PWD/payload"
-                mkdir -p "$PAY/nix/store"
+                	set -euo pipefail
 
-                # copy closure paths from closureInfo (no nix calls here)
-                while IFS= read -r p; do
-                  cp -a --no-preserve=ownership "$p" "$PAY/nix/store/"
-                done < ${ci}/store-paths
+                	PAY="$PWD/payload"
+                	mkdir -p "$PAY/nix/store"
 
-                # pick an app binary
-                APP_BIN=$(find ${appBinGuess} -maxdepth 1 -type f -perm -111 | head -n1)
-                if [ -z "''${APP_BIN:-}" ]; then
-                  echo "no executable found in ${appBinGuess}" >&2
-                  exit 1
-                fi
-                APP_REL="/nix/store/$(basename "$(dirname "$APP_BIN")")/$(basename "$APP_BIN")"
+                	# 1) copy closure (no nix calls; uses closureInfo)
+                	while IFS= read -r p; do
+                		cp -a --no-preserve=ownership "$p" "$PAY/nix/store/"
+                	done < ${ci}/store-paths
 
-                ( cd "$PAY" && tar -czf "$PWD/payload.tar.gz" . )
+                	# 2) pick app binary and make relative path used by the runner
+                	APP_BIN=$(find ${appBinGuess} -maxdepth 1 -type f -perm -111 | head -n1)
+                	if [ -z "''${APP_BIN:-}" ]; then
+                		echo "no executable found in ${appBinGuess}" >&2
+                		exit 1
+                	fi
+                	APP_REL="/nix/store/$(basename "$(dirname "$APP_BIN")")/$(basename "$APP_BIN")"
 
-                cat > $out <<'SH'
-                #!/bin/sh
-                set -euf
-                : "''${TMPDIR:=/tmp}"
-                EXTRACT_DIR="$(mktemp -d "''${TMPDIR%/}/nxbdl.XXXXXX")"
-                cleanup() { [ -n "''${KEEP_BUNDLE:-}" ] || rm -rf "$EXTRACT_DIR"; }
-                trap cleanup EXIT INT TERM
+                	# 3) tar the payload OUTSIDE $PAY to avoid self-inclusion
+                	_TMP="$(mktemp -d)"
+                	( cd "$PAY" && tar \
+                		--sort=name \
+                		--owner=0 --group=0 --numeric-owner \
+                		-czf "$_TMP/payload.tar.gz" . )
 
-                ARCHIVE_LINE=$(awk '/^__ARCHIVE_BELOW__/ {print NR+1; exit 0}' "$0")
-                tail -n +"$ARCHIVE_LINE" "$0" | tar -xzf - -C "$EXTRACT_DIR"
+                	# 4) write the self-extracting stub
+                	cat > "$out" <<'SH'
+                	#!/bin/sh
+                	set -euf
+                	: "''${TMPDIR:=/tmp}"
+                	EXTRACT_DIR="$(mktemp -d "''${TMPDIR%/}/nxbdl.XXXXXX")"
+                	cleanup() { [ -n "''${KEEP_BUNDLE:-}" ] || rm -rf "$EXTRACT_DIR"; }
+                	trap cleanup EXIT INT TERM
 
-                cd "$EXTRACT_DIR"
-                APP_REL='__APP_REL__'
-                PROOT_REL='__PROOT_REL__'
+                	ARCHIVE_LINE=$(awk '/^__ARCHIVE_BELOW__/ {print NR+1; exit 0}' "$0")
+                	tail -n +"$ARCHIVE_LINE" "$0" | tar -xzf - -C "$EXTRACT_DIR"
 
-                BUNDLE_PWD="''${BUNDLE_PWD:-$PWD}"
-                exec ".${PROOT_REL}" \
-                  -b ./nix:nix \
-                  -R / \
-                  -w "$BUNDLE_PWD" \
-                  ".$APP_REL" "$@"
+                	cd "$EXTRACT_DIR"
+                	APP_REL='__APP_REL__'
+                	PROOT_REL='__PROOT_REL__'
 
-                __ARCHIVE_BELOW__
-                SH
-                sed -i \
-                  -e "s|__APP_REL__|$APP_REL|g" \
-                  -e "s|__PROOT_REL__|${PROOT_REL}|g" \
-                  $out
-                chmod +x $out
-                cat payload.tar.gz >> $out
+                	BUNDLE_PWD="''${BUNDLE_PWD:-$PWD}"
+                	exec ".${PROOT_REL}" \
+                		-b ./nix:nix \
+                		-R / \
+                		-w "$BUNDLE_PWD" \
+                		".$APP_REL" "$@"
+
+                	__ARCHIVE_BELOW__
+                	SH
+
+                	# 5) inject paths, chmod, and append payload
+                	sed -i \
+                		-e "s|__APP_REL__|$APP_REL|g" \
+                		-e "s|__PROOT_REL__|${PROOT_REL}|g" \
+                		"$out"
+                	chmod +x "$out"
+                	cat "$_TMP/payload.tar.gz" >> "$out"
               '';
             };