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/*
* Copyright (c) 2026, Chloe M., et al.
* Provided under the BSD-3 clause.
*/
#include <sys/wait.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include "bop/hook.h"
/* Shell we use by default */
#define DEFAULT_SHELL_PATH "/bin/sh"
/*
* Execute the shell for a specific shell script
*
* @script_path: Path of shell script
*/
static void
exec_shell_for(const char *script_path)
{
char *shell_path;
if (script_path == NULL) {
return;
}
/*
* We will attempt to use the current shell but if we cannot determine it,
* we will then fallback to the default shell path.
*/
shell_path = getenv("SHELL");
if (shell_path == NULL) {
shell_path = DEFAULT_SHELL_PATH;
printf("warning: could not determine shell\n");
printf("warning: falling back to '%s'\n", shell_path);
}
execl(shell_path, shell_path, script_path, NULL);
}
/*
* Run a shell hook with POSIX sh
*
* XXX: Maybe support '#!/bin/xxx'?
*/
int
bop_shell_hook(const char *hook_path)
{
pid_t child;
int status;
if (hook_path == NULL) {
return -1;
}
child = fork();
if (child == 0) {
exec_shell_for(hook_path);
} else {
waitpid(child, &status, 0);
}
return 0;
}
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