fixed custom database

Changelog

@@ -1,18 +1,6 @@
 ### Added
-- A new Workspace option allows the use of a custom folder as a temporary folder.
-- The Database now supports multiple database IDs (separate them with a comma).
-- Support for the latest msconvert mzML format.
-- Output prefix flag added to PTMProphet.
 
 ### Changed
-- The parameter file was updated, and the terms were made more human-readable.
-- The code compilation is now done with GO v1.15.
-- PTMProphet updated to v6.0
-- The Abacus memory footprint as significantly reduced.
 
 ### Fixed
-- Small bugs and fixes.
-- PSMs lists often contained observations mapping to proteins that did not pass the FDR filter.
-- Bio quant was failing because of the unassigned database path.
-- Some annotation files were being ignored.
-- Added FASTA database file extension back again.
+- Fixed issue with empty custom database.

lib/dat/dat.go

@@ -91,7 +91,9 @@ func Run(m met.Data) met.Data {
 		}
 
 	} else {
-		db.UniProtDB = m.Database.Custom
+		dbPath, _ := filepath.Abs(m.Database.Custom)
+		db.UniProtDB = dbPath
+		db.DownloadedFiles = append(db.DownloadedFiles, dbPath)
 	}
 
 	logrus.Info("Processing decoys")
@@ -282,8 +284,13 @@ func (d *Base) Deploy(temp string) {
 // Save fasta file to disk
 func (d *Base) Save(home, temp, ids, tag string, isRev, hasIso, noD, Crap bool) string {
 
-	base := strings.Replace(ids, ",", "-", -1)
-	//base := filepath.Base(d.UniProtDB)
+	var base string
+
+	if len(ids) > 0 {
+		base = strings.Replace(ids, ",", "-", -1)
+	} else {
+		base = filepath.Base(d.UniProtDB)
+	}
 
 	t := time.Now()
 	stamp := fmt.Sprintf(t.Format("2006-01-02"))