nixpkgs/pkgs/os-specific/linux/util-linux/rtcwake-search-PATH-for-shutdown.patch

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Search $PATH for the shutdown binary instead of hard-coding /sbin/shutdown,
which isn't valid on NixOS (and a compatibility link on most other modern
distros anyway).
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--- a/include/pathnames.h
+++ b/include/pathnames.h
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@@ -50,8 +50,8 @@
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#ifndef _PATH_LOGIN
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# define _PATH_LOGIN "/bin/login"
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#endif
-#define _PATH_SHUTDOWN "/sbin/shutdown"
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-#define _PATH_POWEROFF "/sbin/poweroff"
+#define _PATH_SHUTDOWN "shutdown"
+#define _PATH_POWEROFF "poweroff"
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#define _PATH_TERMCOLORS_DIRNAME "terminal-colors.d"
#define _PATH_TERMCOLORS_DIR "/etc/" _PATH_TERMCOLORS_DIRNAME
--- a/sys-utils/rtcwake.c
+++ b/sys-utils/rtcwake.c
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@@ -587,29 +587,29 @@ int main(int argc, char **argv)
char *arg[5];
int i = 0;
- if (!access(_PATH_SHUTDOWN, X_OK)) {
- arg[i++] = _PATH_SHUTDOWN;
- arg[i++] = "-h";
- arg[i++] = "-P";
- arg[i++] = "now";
- arg[i] = NULL;
- } else if (!access(_PATH_POWEROFF, X_OK)) {
- arg[i++] = _PATH_POWEROFF;
- arg[i] = NULL;
- } else {
- arg[i] = NULL;
- }
+ arg[i++] = _PATH_SHUTDOWN;
+ arg[i++] = "-h";
+ arg[i++] = "-P";
+ arg[i++] = "now";
+ arg[i] = NULL;
- if (arg[0]) {
- if (ctl.verbose)
- printf(_("suspend mode: off; executing %s\n"),
- arg[0]);
- if (!ctl.dryrun) {
- execv(arg[0], arg);
+ if (ctl.verbose)
+ printf(_("suspend mode: off; executing %s\n"),
+ arg[0]);
+
+ if (!ctl.dryrun) {
+ execvp(arg[0], arg);
+ if (ctl.verbose) {
warn(_("failed to execute %s"), arg[0]);
- rc = EX_EXEC_ENOENT;
+ // Reuse translations.
+ printf(_("suspend mode: off; executing %s\n"),
+ _PATH_POWEROFF);
}
- } else {
+
+ i = 0;
+ arg[i++] = _PATH_POWEROFF;
+ arg[i] = NULL;
+ execvp(arg[0], arg);
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/* Failed to find shutdown command */
warn(_("failed to find shutdown command"));
rc = EX_EXEC_ENOENT;