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-rw-r--r--third_party/git/exec-cmd.c367
1 files changed, 0 insertions, 367 deletions
diff --git a/third_party/git/exec-cmd.c b/third_party/git/exec-cmd.c
deleted file mode 100644
index eeb2ee52b834..000000000000
--- a/third_party/git/exec-cmd.c
+++ /dev/null
@@ -1,367 +0,0 @@
-#include "cache.h"
-#include "exec-cmd.h"
-#include "quote.h"
-#include "strvec.h"
-
-#if defined(RUNTIME_PREFIX)
-
-#if defined(HAVE_NS_GET_EXECUTABLE_PATH)
-#include <mach-o/dyld.h>
-#endif
-
-#if defined(HAVE_BSD_KERN_PROC_SYSCTL)
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/sysctl.h>
-#endif
-
-#endif /* RUNTIME_PREFIX */
-
-#define MAX_ARGS 32
-
-static const char *system_prefix(void);
-
-#ifdef RUNTIME_PREFIX
-
-/**
- * When using a runtime prefix, Git dynamically resolves paths relative to its
- * executable.
- *
- * The method for determining the path of the executable is highly
- * platform-specific.
- */
-
-/**
- * Path to the current Git executable. Resolved on startup by
- * 'git_resolve_executable_dir'.
- */
-static const char *executable_dirname;
-
-static const char *system_prefix(void)
-{
-	static const char *prefix;
-
-	assert(executable_dirname);
-	assert(is_absolute_path(executable_dirname));
-
-	if (!prefix &&
-	    !(prefix = strip_path_suffix(executable_dirname, GIT_EXEC_PATH)) &&
-	    !(prefix = strip_path_suffix(executable_dirname, BINDIR)) &&
-	    !(prefix = strip_path_suffix(executable_dirname, "git"))) {
-		prefix = FALLBACK_RUNTIME_PREFIX;
-		trace_printf("RUNTIME_PREFIX requested, "
-				"but prefix computation failed.  "
-				"Using static fallback '%s'.\n", prefix);
-	}
-	return prefix;
-}
-
-/*
- * Resolves the executable path from argv[0], only if it is absolute.
- *
- * Returns 0 on success, -1 on failure.
- */
-static int git_get_exec_path_from_argv0(struct strbuf *buf, const char *argv0)
-{
-	const char *slash;
-
-	if (!argv0 || !*argv0)
-		return -1;
-
-	slash = find_last_dir_sep(argv0);
-	if (slash) {
-		trace_printf("trace: resolved executable path from argv0: %s\n",
-			     argv0);
-		strbuf_add_absolute_path(buf, argv0);
-		return 0;
-	}
-	return -1;
-}
-
-#ifdef PROCFS_EXECUTABLE_PATH
-/*
- * Resolves the executable path by examining a procfs symlink.
- *
- * Returns 0 on success, -1 on failure.
- */
-static int git_get_exec_path_procfs(struct strbuf *buf)
-{
-	if (strbuf_realpath(buf, PROCFS_EXECUTABLE_PATH, 0)) {
-		trace_printf(
-			"trace: resolved executable path from procfs: %s\n",
-			buf->buf);
-		return 0;
-	}
-	return -1;
-}
-#endif /* PROCFS_EXECUTABLE_PATH */
-
-#ifdef HAVE_BSD_KERN_PROC_SYSCTL
-/*
- * Resolves the executable path using KERN_PROC_PATHNAME BSD sysctl.
- *
- * Returns 0 on success, -1 on failure.
- */
-static int git_get_exec_path_bsd_sysctl(struct strbuf *buf)
-{
-	int mib[4];
-	char path[MAXPATHLEN];
-	size_t cb = sizeof(path);
-
-	mib[0] = CTL_KERN;
-	mib[1] = KERN_PROC;
-	mib[2] = KERN_PROC_PATHNAME;
-	mib[3] = -1;
-	if (!sysctl(mib, 4, path, &cb, NULL, 0)) {
-		trace_printf(
-			"trace: resolved executable path from sysctl: %s\n",
-			path);
-		strbuf_addstr(buf, path);
-		return 0;
-	}
-	return -1;
-}
-#endif /* HAVE_BSD_KERN_PROC_SYSCTL */
-
-#ifdef HAVE_NS_GET_EXECUTABLE_PATH
-/*
- * Resolves the executable path by querying Darwin application stack.
- *
- * Returns 0 on success, -1 on failure.
- */
-static int git_get_exec_path_darwin(struct strbuf *buf)
-{
-	char path[PATH_MAX];
-	uint32_t size = sizeof(path);
-	if (!_NSGetExecutablePath(path, &size)) {
-		trace_printf(
-			"trace: resolved executable path from Darwin stack: %s\n",
-			path);
-		strbuf_addstr(buf, path);
-		return 0;
-	}
-	return -1;
-}
-#endif /* HAVE_NS_GET_EXECUTABLE_PATH */
-
-#ifdef HAVE_WPGMPTR
-/*
- * Resolves the executable path by using the global variable _wpgmptr.
- *
- * Returns 0 on success, -1 on failure.
- */
-static int git_get_exec_path_wpgmptr(struct strbuf *buf)
-{
-	int len = wcslen(_wpgmptr) * 3 + 1;
-	strbuf_grow(buf, len);
-	len = xwcstoutf(buf->buf, _wpgmptr, len);
-	if (len < 0)
-		return -1;
-	buf->len += len;
-	return 0;
-}
-#endif /* HAVE_WPGMPTR */
-
-/*
- * Resolves the absolute path of the current executable.
- *
- * Returns 0 on success, -1 on failure.
- */
-static int git_get_exec_path(struct strbuf *buf, const char *argv0)
-{
-	/*
-	 * Identifying the executable path is operating system specific.
-	 * Selectively employ all available methods in order of preference,
-	 * preferring highly-available authoritative methods over
-	 * selectively-available or non-authoritative methods.
-	 *
-	 * All cases fall back on resolving against argv[0] if there isn't a
-	 * better functional method. However, note that argv[0] can be
-	 * used-supplied on many operating systems, and is not authoritative
-	 * in those cases.
-	 *
-	 * Each of these functions returns 0 on success, so evaluation will stop
-	 * after the first successful method.
-	 */
-	if (
-#ifdef HAVE_BSD_KERN_PROC_SYSCTL
-		git_get_exec_path_bsd_sysctl(buf) &&
-#endif /* HAVE_BSD_KERN_PROC_SYSCTL */
-
-#ifdef HAVE_NS_GET_EXECUTABLE_PATH
-		git_get_exec_path_darwin(buf) &&
-#endif /* HAVE_NS_GET_EXECUTABLE_PATH */
-
-#ifdef PROCFS_EXECUTABLE_PATH
-		git_get_exec_path_procfs(buf) &&
-#endif /* PROCFS_EXECUTABLE_PATH */
-
-#ifdef HAVE_WPGMPTR
-		git_get_exec_path_wpgmptr(buf) &&
-#endif /* HAVE_WPGMPTR */
-
-		git_get_exec_path_from_argv0(buf, argv0)) {
-		return -1;
-	}
-
-	if (strbuf_normalize_path(buf)) {
-		trace_printf("trace: could not normalize path: %s\n", buf->buf);
-		return -1;
-	}
-
-	trace2_cmd_path(buf->buf);
-
-	return 0;
-}
-
-void git_resolve_executable_dir(const char *argv0)
-{
-	struct strbuf buf = STRBUF_INIT;
-	char *resolved;
-	const char *slash;
-
-	if (git_get_exec_path(&buf, argv0)) {
-		trace_printf(
-			"trace: could not determine executable path from: %s\n",
-			argv0);
-		strbuf_release(&buf);
-		return;
-	}
-
-	resolved = strbuf_detach(&buf, NULL);
-	slash = find_last_dir_sep(resolved);
-	if (slash)
-		resolved[slash - resolved] = '\0';
-
-	executable_dirname = resolved;
-	trace_printf("trace: resolved executable dir: %s\n",
-		     executable_dirname);
-}
-
-#else
-
-/*
- * When not using a runtime prefix, Git uses a hard-coded path.
- */
-static const char *system_prefix(void)
-{
-	return FALLBACK_RUNTIME_PREFIX;
-}
-
-/*
- * This is called during initialization, but No work needs to be done here when
- * runtime prefix is not being used.
- */
-void git_resolve_executable_dir(const char *argv0)
-{
-}
-
-#endif /* RUNTIME_PREFIX */
-
-char *system_path(const char *path)
-{
-	struct strbuf d = STRBUF_INIT;
-
-	if (is_absolute_path(path))
-		return xstrdup(path);
-
-	strbuf_addf(&d, "%s/%s", system_prefix(), path);
-	return strbuf_detach(&d, NULL);
-}
-
-static const char *exec_path_value;
-
-void git_set_exec_path(const char *exec_path)
-{
-	exec_path_value = exec_path;
-	/*
-	 * Propagate this setting to external programs.
-	 */
-	setenv(EXEC_PATH_ENVIRONMENT, exec_path, 1);
-}
-
-/* Returns the highest-priority location to look for git programs. */
-const char *git_exec_path(void)
-{
-	if (!exec_path_value) {
-		const char *env = getenv(EXEC_PATH_ENVIRONMENT);
-		if (env && *env)
-			exec_path_value = xstrdup(env);
-		else
-			exec_path_value = system_path(GIT_EXEC_PATH);
-	}
-	return exec_path_value;
-}
-
-static void add_path(struct strbuf *out, const char *path)
-{
-	if (path && *path) {
-		strbuf_add_absolute_path(out, path);
-		strbuf_addch(out, PATH_SEP);
-	}
-}
-
-void setup_path(void)
-{
-	const char *exec_path = git_exec_path();
-	const char *old_path = getenv("PATH");
-	struct strbuf new_path = STRBUF_INIT;
-
-	git_set_exec_path(exec_path);
-	add_path(&new_path, exec_path);
-
-	if (old_path)
-		strbuf_addstr(&new_path, old_path);
-	else
-		strbuf_addstr(&new_path, _PATH_DEFPATH);
-
-	setenv("PATH", new_path.buf, 1);
-
-	strbuf_release(&new_path);
-}
-
-const char **prepare_git_cmd(struct strvec *out, const char **argv)
-{
-	strvec_push(out, "git");
-	strvec_pushv(out, argv);
-	return out->v;
-}
-
-int execv_git_cmd(const char **argv)
-{
-	struct strvec nargv = STRVEC_INIT;
-
-	prepare_git_cmd(&nargv, argv);
-	trace_argv_printf(nargv.v, "trace: exec:");
-
-	/* execvp() can only ever return if it fails */
-	sane_execvp("git", (char **)nargv.v);
-
-	trace_printf("trace: exec failed: %s\n", strerror(errno));
-
-	strvec_clear(&nargv);
-	return -1;
-}
-
-int execl_git_cmd(const char *cmd, ...)
-{
-	int argc;
-	const char *argv[MAX_ARGS + 1];
-	const char *arg;
-	va_list param;
-
-	va_start(param, cmd);
-	argv[0] = cmd;
-	argc = 1;
-	while (argc < MAX_ARGS) {
-		arg = argv[argc++] = va_arg(param, char *);
-		if (!arg)
-			break;
-	}
-	va_end(param);
-	if (MAX_ARGS <= argc)
-		return error(_("too many args to run %s"), cmd);
-
-	argv[argc] = NULL;
-	return execv_git_cmd(argv);
-}