From 2952476e8e9e4b0f455e1569a29e0d3930ee84b2 Mon Sep 17 00:00:00 2001
From: Johannes Sixt <johannes.sixt@telecom.at>
Date: Fri, 2 Nov 2007 21:38:57 +0100
Subject: [PATCH] Reimplement execvp() such that it can invoke shell scripts.

We conveniently reuse mingw_execve(), which does the shbang interpretation
as well as other painful Windows compatibility stuff.
---
 compat/mingw.c    | 14 ++++++++++++++
 git-compat-util.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/compat/mingw.c b/compat/mingw.c
index 4b05718f03..4e1003442d 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -529,6 +529,20 @@ void mingw_free_path_split(char **path)
 	free(path);
 }
 
+void mingw_execvp(const char *cmd, const char **argv)
+{
+	char **path = mingw_get_path_split();
+	char *prog = mingw_path_lookup(cmd, path);
+
+	if (prog) {
+		mingw_execve(prog, argv, (const char **) environ);
+		free(prog);
+	} else
+		errno = ENOENT;
+
+	mingw_free_path_split(path);
+}
+
 int mingw_socket(int domain, int type, int protocol)
 {
 	SOCKET s = WSASocket(domain, type, protocol, NULL, 0, 0);
diff --git a/git-compat-util.h b/git-compat-util.h
index f6deba520b..148b64ab04 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -430,6 +430,8 @@ unsigned int alarm(unsigned int seconds);
 #include <winsock2.h>
 void mingw_execve(const char *cmd, const char **argv, const char **env);
 #define execve mingw_execve
+extern void mingw_execvp(const char *cmd, const char **argv);
+#define execvp mingw_execvp
 int fork();
 typedef int pid_t;
 #define waitpid(pid, status, options) \