Lots of small stuff

cmd/jklfs/jklfs.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"otremblay.com/jkl"
+
+	"github.com/hanwen/go-fuse/fuse"
+	"github.com/hanwen/go-fuse/fuse/nodefs"
+	"github.com/hanwen/go-fuse/fuse/pathfs"
+)
+
+type jklfs struct {
+	pathfs.FileSystem
+	issuePerDirs map[string]*jkl.Issue
+}
+
+func (j *jklfs) GetAttr(name string, context *fuse.Context) (*fuse.Attr, fuse.Status) {
+	switch name {
+	case "current_sprint":
+		return &fuse.Attr{
+			Mode: fuse.S_IFDIR | 0755,
+		}, fuse.OK
+	case "":
+		return &fuse.Attr{
+			Mode: fuse.S_IFDIR | 0755,
+		}, fuse.OK
+	}
+	if _, ok := j.issuePerDirs[name]; ok {
+		return &fuse.Attr{
+			Mode: fuse.S_IFDIR | 0755,
+		}, fuse.OK
+	}
+	pathPieces := strings.Split(name, "/")
+	path := strings.Join(pathPieces[0:2], "/")
+	if i, ok := j.issuePerDirs[path]; ok {
+		if path+"/description" == name {
+			return &fuse.Attr{
+				Mode: fuse.S_IFREG | 0644, Size: uint64(len(i.Fields.Description)),
+			}, fuse.OK
+		}
+	}
+	return nil, fuse.ENOENT
+}
+
+func (j *jklfs) OpenDir(name string, context *fuse.Context) (c []fuse.DirEntry, code fuse.Status) {
+	if name == "" {
+		c = []fuse.DirEntry{{Name: "current_sprint", Mode: fuse.S_IFDIR}}
+		return c, fuse.OK
+	}
+	if name == "current_sprint" {
+		issues, err := jkl.List("sprint in openSprints() and project = 'DO'")
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			return nil, fuse.ENOENT
+		}
+		c = make([]fuse.DirEntry, len(issues))
+		for i, issue := range issues {
+			c[i] = fuse.DirEntry{Name: issue.Key, Mode: fuse.S_IFDIR}
+			j.issuePerDirs["current_sprint/"+issue.Key] = issue
+		}
+		return c, fuse.OK
+	}
+
+	if _, ok := j.issuePerDirs[name]; ok {
+		c = []fuse.DirEntry{fuse.DirEntry{Name: "description", Mode: fuse.S_IFREG}}
+		return c, fuse.OK
+	}
+
+	return nil, fuse.ENOENT
+}
+
+func (j *jklfs) Open(name string, flags uint32, context *fuse.Context) (file nodefs.File, code fuse.Status) {
+	pathPieces := strings.Split(name, "/")
+	path := strings.Join(pathPieces[0:2], "/")
+	if i, ok := j.issuePerDirs[path]; ok {
+		if path+"/description" == name {
+			return nodefs.NewDataFile([]byte(i.Fields.Description)), fuse.OK
+		}
+	}
+	return nil, fuse.ENOENT
+}
+
+func main() {
+	flag.Parse()
+	if len(flag.Args()) < 1 {
+		log.Fatal("Usage:\n  jklfs MOUNTPOINT")
+	}
+	nfs := pathfs.NewPathNodeFs(&jklfs{pathfs.NewDefaultFileSystem(), map[string]*jkl.Issue{}}, nil)
+	server, _, err := nodefs.MountRoot(flag.Arg(0), nfs.Root(), nil)
+	if err != nil {
+		log.Fatalf("Mount fail: %v\n", err)
+	}
+	server.Serve()
+}