feat: ports - git port

dev-vcs/git/patches/0001-montauk-startup.patch

@@ -0,0 +1,26 @@
+diff --git a/common-main.c b/common-main.c
+index 0a22861f1..4653d18b5 100644
+--- a/common-main.c
++++ b/common-main.c
+@@ -1,6 +1,7 @@
+ #include "cache.h"
+ #include "exec-cmd.h"
+ #include "attr.h"
++#include <montauk-init.h>
+ 
+ /*
+  * Many parts of Git have subprograms communicate via pipe, expect the
+@@ -28,6 +29,13 @@ int main(int argc, const char **argv)
+ 	int result;
+ 	struct strbuf tmp = STRBUF_INIT;
+ 
++	/*
++	 * MontaukOS: fill in what the process environment cannot carry
++	 * (HOME). Must run before any config is read. See
++	 * compat/montauk-compat.c in the port.
++	 */
++	montauk_startup();
++
+ 	trace2_initialize_clock();
+ 
+ 	/*

dev-vcs/git/patches/0002-montauk-sanitize-stdfds.patch

@@ -0,0 +1,30 @@
+diff --git a/setup.c b/setup.c
+index c3301f5ab..6652c1dff 100644
+--- a/setup.c
++++ b/setup.c
+@@ -1691,11 +1691,20 @@ const char *resolve_gitdir_gently(const char *suspect, int *return_error_code)
+ /* if any standard file descriptor is missing open it to /dev/null */
+ void sanitize_stdfds(void)
+ {
+-	int fd = xopen("/dev/null", O_RDWR);
+-	while (fd < 2)
+-		fd = xdup(fd);
+-	if (fd > 2)
+-		close(fd);
++	/*
++	 * MontaukOS: nothing to sanitize, and nothing to sanitize it with.
++	 *
++	 * This guards against being started with 0/1/2 closed, so that a
++	 * later open() cannot land on a standard descriptor and have die()
++	 * write its message into a data file. On MontaukOS that cannot
++	 * happen: the kernel gives every process the terminal on 0/1/2 (the
++	 * libc routes those descriptors to SYS_PUTCHAR/SYS_GETCHAR rather
++	 * than to any handle), and a process is spawned, never forked with a
++	 * doctored descriptor table.
++	 *
++	 * The upstream body cannot run in any case -- there is no /dev/null,
++	 * so xopen() would die here and take every git invocation with it.
++	 */
+ }
+ 
+ int daemonize(void)