[9front] git/conf: check in /sys/lib/git/config as a fallback to user-wide config

[9front] git/conf: check in /sys/lib/git/config as a fallback to user-wide config

[kemal]

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i don't think this patch needs further explanation.

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From 465199fc65151f513fc82d22919cfc67db9e0d98
From: kemal <kemalinanc8@gmail.com>
Date: Tue, 08 Jun 2021 20:13:57 +0000
Subject: [PATCH] git/conf: check in /sys/lib/git/config as a fallback to user-wide config

---
diff 1bce186f6c5be32b218c1c176363cf372d3d5d0c 465199fc65151f513fc82d22919cfc67db9e0d98
--- a/sys/man/1/git	Mon Jun  7 19:46:57 2021
+++ b/sys/man/1/git	Tue Jun  8 23:13:57 2021
@@ -631,8 +631,12 @@
 The configuration file for a repository.
 .TP
 $home/lib/git/config
-The global configuration for git.
+The user-wide configuration for git.
 The contents of this file are used as fallbacks for the per-repository config.
+.TP
+/sys/lib/git/config
+The system-wide configuration for git.
+The contents of this file are used as fallbacks for the per-user config.
 
 .SH SEE ALSO
 .IR hg (1)
--- a/sys/src/cmd/git/conf.c	Mon Jun  7 19:46:57 2021
+++ b/sys/src/cmd/git/conf.c	Tue Jun  8 23:13:57 2021
@@ -78,6 +78,7 @@
 		file[nfile++] = ".git/config";
 		if((p = getenv("home")) != nil)
 			file[nfile++] = smprint("%s/lib/git/config", p);
+		file[nfile++] = "/sys/lib/git/config";
 	}
 
 	for(i = 0; i < argc; i++){