From 8b85b70ea9d2553172f2438f212a8ea106fcffa9 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Tue, 7 Jan 2020 15:59:31 -0500
Subject: [PATCH] add svn_runner module

---
 .gitignore       |  3 ++-
 Rsconscript      | 10 ++++++++++
 src/main.d       |  8 ++++++++
 src/svn_runner.d | 36 ++++++++++++++++++++++++++++++++++++
 4 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 Rsconscript
 create mode 100644 src/main.d
 create mode 100644 src/svn_runner.d

diff --git a/.gitignore b/.gitignore
index 7d0ba35..d9c5846 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
-/Build/
 /.rscons*
+/build/
+/svi
diff --git a/Rsconscript b/Rsconscript
new file mode 100644
index 0000000..ce049e8
--- /dev/null
+++ b/Rsconscript
@@ -0,0 +1,10 @@
+configure do
+  check_d_compiler
+end
+
+build do
+  Environment.new do |env|
+    env["D_IMPORT_PATH"] << "src"
+    env.Program("svi", glob("src/**/*.d"))
+  end
+end
diff --git a/src/main.d b/src/main.d
new file mode 100644
index 0000000..f7f5b70
--- /dev/null
+++ b/src/main.d
@@ -0,0 +1,8 @@
+import svn_runner;
+import std.stdio;
+
+int main(string[] args)
+{
+    auto r = run_svn(["ls", "https://vcs.gentex.com/svn/embedded_sw"]);
+    return 0;
+}
diff --git a/src/svn_runner.d b/src/svn_runner.d
new file mode 100644
index 0000000..6043fff
--- /dev/null
+++ b/src/svn_runner.d
@@ -0,0 +1,36 @@
+import std.process;
+import std.stdio;
+
+struct Result
+{
+    int status;
+    char[] stdout;
+    char[] stderr;
+}
+
+private File nullfd()
+{
+    return File("/dev/null", "r");
+}
+
+Result run_svn(string[] args)
+{
+    string[] command = ["svn", "--non-interactive", "--no-auth-cache"] ~ args;
+    auto stdout_pipe = pipe();
+    auto stderr_pipe = pipe();
+    auto pid = spawnProcess(command, nullfd(), stdout_pipe.writeEnd,
+            stderr_pipe.writeEnd);
+    char[] stdout;
+    char[] stderr;
+    char[] buf;
+    while (stdout_pipe.readEnd.readln(buf))
+    {
+        stdout ~= buf;
+    }
+    while (stderr_pipe.readEnd.readln(buf))
+    {
+        stderr ~= buf;
+    }
+    int status = wait(pid);
+    return Result(status, stdout, stderr);
+}