From 8ef813e55dc2fa610f40f795c9852a7ca336fd98 Mon Sep 17 00:00:00 2001
From: stephen mcquay <stephen@mcquay.me>
Date: Sun, 7 Feb 2016 23:54:55 -0800
Subject: [PATCH] init

---
 cmd/ysvd/main.go |  4 ++++
 doc.go           |  2 ++
 licence.txt      | 27 +++++++++++++++++++++++++++
 readme.md        | 11 +++++++++++
 ysv.go           | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 ysv_test.go      | 37 +++++++++++++++++++++++++++++++++++++
 6 files changed, 129 insertions(+)
 create mode 100644 cmd/ysvd/main.go
 create mode 100644 doc.go
 create mode 100644 licence.txt
 create mode 100644 readme.md
 create mode 100644 ysv.go
 create mode 100644 ysv_test.go

diff --git a/cmd/ysvd/main.go b/cmd/ysvd/main.go
new file mode 100644
index 0000000..da29a2c
--- /dev/null
+++ b/cmd/ysvd/main.go
@@ -0,0 +1,4 @@
+package main
+
+func main() {
+}
diff --git a/doc.go b/doc.go
new file mode 100644
index 0000000..5fc7b89
--- /dev/null
+++ b/doc.go
@@ -0,0 +1,2 @@
+// package ysv implements a vanity service for use by the the go tool
+package ysv
diff --git a/licence.txt b/licence.txt
new file mode 100644
index 0000000..754c07d
--- /dev/null
+++ b/licence.txt
@@ -0,0 +1,27 @@
+Copyright (c) 2016, stephen mcquay
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of ysv nor the names of its contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..fc49c8e
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,11 @@
+# ysv
+
+`ysvd` is a vanity url server for use by the `go` tool.
+
+## installation
+
+    $ go get mcquay.me/ysv/cmd/ysvd
+
+## running server
+
+    $ ysvd
diff --git a/ysv.go b/ysv.go
new file mode 100644
index 0000000..034f4b9
--- /dev/null
+++ b/ysv.go
@@ -0,0 +1,48 @@
+/*
+
+From the documentation for the go tool, it searches for the following header
+when searching for packages:
+
+<meta name="go-import" content="import-prefix vcs repo-root">
+
+ysv stands for You're so Vain, the song by Carly Simon.
+*/
+package ysv
+
+import "fmt"
+
+type vcs int
+
+const (
+	Git vcs = iota
+	Hg
+)
+
+var vcss = [...]string{
+	"git",
+	"mercurial",
+}
+
+var labelToVcs = map[string]vcs{
+	"git":       Git,
+	"mercurial": Hg,
+	"hg":        Hg,
+}
+
+// String returns the name of the vcs ("git", "mercurial", ...).
+func (v vcs) String() string { return vcss[v] }
+
+type pkg struct {
+	Vcs  vcs    `json":vcs"`
+	Path string `json:"path"`
+	Repo string `json:"repo"`
+}
+
+func (p pkg) String() string {
+	return fmt.Sprintf(
+		"<meta name=\"go-import\" content=\"%s %s %s\">",
+		p.Path,
+		p.Vcs,
+		p.Repo,
+	)
+}
diff --git a/ysv_test.go b/ysv_test.go
new file mode 100644
index 0000000..4c0b527
--- /dev/null
+++ b/ysv_test.go
@@ -0,0 +1,37 @@
+package ysv
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestString(t *testing.T) {
+	p := pkg{
+		Path: "mcquay.me/bps",
+		Repo: "https://s.mcquay.me/sm/bps",
+	}
+	got := fmt.Sprintf("%s", p)
+	want := `<meta name="go-import" content="mcquay.me/bps git https://s.mcquay.me/sm/bps">`
+	if got != want {
+		t.Errorf(
+			"incorrect converstion to meta; got %s, want %s",
+			got,
+			want,
+		)
+	}
+}
+
+func TestVcsStrings(t *testing.T) {
+	tests := []struct {
+		got  string
+		want string
+	}{
+		{fmt.Sprintf("%+v", Git), "git"},
+		{fmt.Sprintf("%+v", Hg), "mercurial"},
+	}
+	for _, test := range tests {
+		if test.got != test.want {
+			t.Errorf("incorrect conversion of ysv.Vcs -> string; got %q, want %q", test.got, test.want)
+		}
+	}
+}