From b548ed7d151d5897ab4a5ea6d25df107624d851e Mon Sep 17 00:00:00 2001
From: Alex Yatskov <alex@foosoft.net>
Date: Wed, 1 Apr 2015 18:44:10 +0900
Subject: [PATCH] Work in progress

---
 config.go   |  4 ++--
 config.toml | 10 +--------
 link.go     | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 main.go     |  2 --
 profile.go  | 10 +++++++--
 5 files changed, 72 insertions(+), 16 deletions(-)

diff --git a/config.go b/config.go
index 7ea0546..2a7e9c3 100644
--- a/config.go
+++ b/config.go
@@ -28,11 +28,11 @@ type config struct {
 	Profs map[string]profile
 }
 
-func (this config) process(name, src, dst string) error {
+func (this config) process(name, srcDir, dstDir string) error {
 	prof, ok := this.Profs[name]
 	if !ok {
 		return errors.New("Profile not found")
 	}
 
-	return prof.process(src, dst, this)
+	return prof.process(srcDir, dstDir, this)
 }
diff --git a/config.toml b/config.toml
index 0bc7ab8..ac3737b 100644
--- a/config.toml
+++ b/config.toml
@@ -1,12 +1,4 @@
 [profs.dev]
-    [[profs.dev.links]]
-    src = "vim/.vimrc"
-    dst = ".vimrc"
-
-    [[profs.dev.links]]
-    src = "vim/.vim"
-    dst = ".vim"
-
     [[profs.dev.links]]
     src = ".gitconfig"
 
@@ -21,7 +13,7 @@
     src = ".filezilla"
 
     [[profs.base.links]]
-    src = "profsile"
+    src = "profile"
 
 [profs.study]
     [[profs.study.links]]
diff --git a/link.go b/link.go
index 704d9d3..66b9557 100644
--- a/link.go
+++ b/link.go
@@ -22,11 +22,71 @@
 
 package main
 
+import (
+	"errors"
+	"fmt"
+	"log"
+	"os"
+	"path"
+)
+
 type link struct {
 	Dst string
 	Src string
 }
 
-func (this link) process(src, dst string) error {
+func preparePath(loc string, force, clobber bool) error {
+	if force {
+		parentDir, _ := path.Split(loc)
+		if _, err := os.Stat(parentDir); os.IsNotExist(err) {
+			log.Printf("Force creating path: '%s'", parentDir)
+			if err := os.MkdirAll(parentDir, 0777); err != nil {
+				return err
+			}
+		}
+	}
+
+	if info, _ := os.Lstat(loc); info != nil {
+		if info.Mode()&os.ModeSymlink == os.ModeSymlink {
+			log.Printf("Removing symlink: '%s'", loc)
+			if err := os.Remove(loc); err != nil {
+				return err
+			}
+		} else if clobber {
+			log.Print("Clobbering path: '%s'", loc)
+			if err := os.RemoveAll(loc); err != nil {
+				return err
+			}
+		}
+	}
+
 	return nil
 }
+
+func (this link) process(srcDir, dstDir string) error {
+	if len(this.Dst) == 0 {
+		this.Dst = this.Src
+	}
+
+	srcPath := path.Join(srcDir, this.Src)
+	dstPath := path.Join(dstDir, this.Dst)
+
+	if !path.IsAbs(dstPath) {
+		return errors.New(fmt.Sprintf("Destination path is not absolute: '%s'", dstPath))
+	}
+
+	if !path.IsAbs(srcPath) {
+		return errors.New(fmt.Sprintf("Source path is not absolute: '%s'", srcPath))
+	}
+
+	if _, err := os.Stat(srcPath); os.IsNotExist(err) {
+		return errors.New(fmt.Sprintf("Source path does not exist in filesystem: '%s'", srcPath))
+	}
+
+	if err := preparePath(dstPath, true, true); err != nil {
+		return err
+	}
+
+	log.Printf("Linking: '%s' => '%s'", srcPath, dstPath)
+	return os.Symlink(srcPath, dstPath)
+}
diff --git a/main.go b/main.go
index 8a558c5..eed1b68 100644
--- a/main.go
+++ b/main.go
@@ -51,6 +51,4 @@ func main() {
 	if err := conf.process("flatline", "/mnt/storage/sync/Dropbox", "/mnt/storage/projects/blah"); err != nil {
 		log.Fatal(err)
 	}
-
-	log.Print(conf)
 }
diff --git a/profile.go b/profile.go
index 799d676..009a1ad 100644
--- a/profile.go
+++ b/profile.go
@@ -29,14 +29,20 @@ type profile struct {
 	Links []link
 }
 
-func (this profile) process(src, dst string, conf config) error {
+func (this profile) process(srcDir, dstDir string, conf config) error {
 	for _, name := range this.Deps {
 		prof, ok := conf.Profs[name]
 		if !ok {
 			return errors.New("Profile dependency not found")
 		}
 
-		if err := prof.process(src, dst, conf); err != nil {
+		if err := prof.process(srcDir, dstDir, conf); err != nil {
+			return err
+		}
+	}
+
+	for _, link := range this.Links {
+		if err := link.process(srcDir, dstDir); err != nil {
 			return err
 		}
 	}