sdformat: init at 0.2.0

{

  lib,

  stdenv,

  fetchFromGitHub,

  util-linuxMinimal,

  installShellFiles,

}:

stdenv.mkDerivation (finalAttrs: {

  pname = "sdformat";

  version = "0.2.0";

  __structuredAttrs = true;

  src = fetchFromGitHub {

    owner = "profi200";

    repo = "sdFormatLinux";

    rev = "v${finalAttrs.version}";

    hash = "sha256-AoAhP1dr+hQSnOpZC0oHt0j3fUVNVhD+3jWm6iMfskk=";

  };

  nativeBuildInputs = [ installShellFiles ];

  patches = [ ./remove-hardcoded-lsblk-path.diff ];

  strictDeps = true;

  makeFlags = [

    "TARGET=${finalAttrs.pname}"

    "LSBLK_PATH=${lib.getExe' util-linuxMinimal "lsblk"}"

  ];

  installPhase = ''

    runHook preInstall

    installBin ${finalAttrs.pname}

    runHook postInstall

  '';

  meta = {

    description = "Format your SD card the way the SD Association intended";

    homepage = "https://github.com/profi200/sdFormatLinux";

    license = lib.licenses.mit;

    mainProgram = finalAttrs.pname;

    maintainers = with lib.maintainers; [ thiagokokada ];

    platforms = lib.platforms.linux;

  };

})

diff --git i/Makefile w/Makefile

index c45b32b..258189c 100644

--- i/Makefile

+++ w/Makefile

@@ -5,7 +5,8 @@ TARGET   := $(notdir $(CURDIR))

 BUILD    := build

 INCLUDES := include

 SOURCES  := source

-DEFINES  := -D_FORTIFY_SOURCE=2

+LSBLK_PATH ?= /usr/bin/lsblk

+DEFINES  := -D_FORTIFY_SOURCE=2 -DLSBLK_PATH=\"$(LSBLK_PATH)\"

 # Compiler settings

diff --git i/source/blockdev.cpp w/source/blockdev.cpp

index a179604..b4de5ef 100644

--- i/source/blockdev.cpp

+++ w/source/blockdev.cpp

@@ -7,6 +7,7 @@

 #include <errno.h>

 #include <fcntl.h>     // open()...

 #include <linux/fs.h>  // BLKGETSIZE64...

+#include <limits.h>    // PATH_MAX

 #include <sys/ioctl.h> // ioctl()...

 #include <sys/stat.h>  // S_IRUSR, S_IWUSR...

 #include <unistd.h>    // write(), close()...

@@ -21,8 +22,10 @@

 static int checkDevice(const char *const path)

 {

 	int res = EINVAL; // By default assume the given path is not a suitable device.

-	char cmd[64] = "/usr/bin/lsblk -dnr -oTYPE,HOTPLUG,PHY-SEC ";

-	strncpy(&cmd[43], path, sizeof(cmd) - 43);

+	const char cmdPrefix[] = LSBLK_PATH " -dnr -oTYPE,HOTPLUG,PHY-SEC ";

+	char cmd[sizeof(cmdPrefix) + PATH_MAX];

+	memcpy(cmd, cmdPrefix, sizeof(cmdPrefix) - 1);

+	strncpy(&cmd[sizeof(cmdPrefix) - 1], path, sizeof(cmd) - sizeof(cmdPrefix));

 	cmd[sizeof(cmd) - 1] = '\0';

 	FILE *const p = ::popen(cmd, "r");

 	if(p == nullptr)