From b55232200440c86db55c7fc319d6ff0c5352bb1c Mon Sep 17 00:00:00 2001
From: pancake <pancake@nopcode.org>
Date: Mon, 26 Jul 2021 17:00:36 +0200
Subject: [PATCH] Handle RAVC2_USER environment variable

---
 libr/main/ravc2.c |  8 +++++++-
 man/ravc2.1       | 17 ++++++++++-------
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/libr/main/ravc2.c b/libr/main/ravc2.c
index 4e44171891..d76e4f1fd9 100644
--- a/libr/main/ravc2.c
+++ b/libr/main/ravc2.c
@@ -10,6 +10,8 @@ static void ravc2_show_help(void) {
 		" branch          list all available branches\n"
 		" commit [a] [m] [f] perform a commit with the added files\n"
 		" branch [name]   change to another branch\n"
+		"Environment:\n"
+		" RAVC2_USER=[name] Override cfg.user value to author commit.\n"
 		"Examples:\n"
 		"  ravc2 init\n"
 		"  man ravc2\n");
@@ -103,7 +105,11 @@ R_API int r_main_ravc2(int argc, const char **argv) {
 				return -10;
 			}
 		}
-		char *author = r_sys_whoami ();
+		char *author = r_sys_getenv ("RAVC2_USER");
+		if (R_STR_ISEMPTY (author)) {
+			free (author);
+			author = r_sys_whoami ();
+		}
 		if (!author) {
 			free (message);
 			r_list_free (files);
diff --git a/man/ravc2.1 b/man/ravc2.1
index 58449064fa..3174109c8d 100644
--- a/man/ravc2.1
+++ b/man/ravc2.1
@@ -1,11 +1,11 @@
-.Dd Dec 28, 2020
+.Dd Jul 26, 2021
 .Dt RAVC2 1
 .Sh NAME
 .Nm ravc2
 .Nd radare version control
 .Sh SYNOPSIS
 .Nm ravc2
-.Op Fl ebBsSvxkKh
+.Op Fl hv
 .Op [expr] ...
 .Sh DESCRIPTION
 This command is part of the radare project.
@@ -14,6 +14,7 @@ Implements a simple version control system that aims to work as frontend for git
 .Pp
 This command is pretty new and experimental.
 .Sh OPTIONS
+.Bl -tag -width Fl
 .It Fl h
 Show usage help message
 .It Fl v
@@ -22,12 +23,14 @@ Display version
 .Sh USAGE
 Available variable types are:
 .Pp
-ravc2 init
-echo hello world > README.md
-ravc2 add README.md
-ravc2 branch
-ravc2 commit
+ ravc2 init
+ echo hello world > README.md
+ ravc2 add README.md
+ ravc2 branch
+ ravc2 commit
 .Pp
+.Sh ENVIRONMENT
+ RAVC2_USER  overrides cfg.user, which is based on r_sys_whoami() which is used to define the author for the VC commits.
 .Sh SEE ALSO
 .Pp
 .Xr radare2(1)