Fix var reused in goroutine.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@tomclegg.ca>

diff --git a/tilelib.go b/tilelib.go
index 7f19b0d4081c2f70c5fa23eed610e44bf0cfc441..fb28ce05bbff3808e95ecfcc3f1867c2acbdc264 100644 (file)
--- a/tilelib.go
+++ b/tilelib.go
@@ -112,11 +112,11 @@ func (tilelib *tileLibrary) loadCompactGenomes(cgs []CompactGenome, variantmap m
        var wg sync.WaitGroup
        errs := make(chan error, 1)
        for _, cg := range cgs {
-               name, variants := cg.Name, cg.Variants
                wg.Add(1)
+               cg := cg
                go func() {
                        defer wg.Done()
-                       for i, variant := range variants {
+                       for i, variant := range cg.Variants {
                                if len(errs) > 0 {
                                        return
                                }
@@ -126,15 +126,15 @@ func (tilelib *tileLibrary) loadCompactGenomes(cgs []CompactGenome, variantmap m
                                tag := tagID(i / 2)
                                newvariant, ok := variantmap[tileLibRef{Tag: tag, Variant: variant}]
                                if !ok {
-                                       err := fmt.Errorf("oops: genome %q has variant %d for tag %d, but that variant was not in its library", name, variant, tag)
+                                       err := fmt.Errorf("oops: genome %q has variant %d for tag %d, but that variant was not in its library", cg.Name, variant, tag)
                                        select {
                                        case errs <- err:
                                        default:
                                        }
                                        return
                                }
-                               log.Tracef("loadCompactGenomes: cg %s tag %d variant %d => %d", name, tag, variant, newvariant)
-                               variants[i] = newvariant
+                               log.Tracef("loadCompactGenomes: cg %s tag %d variant %d => %d", cg.Name, tag, variant, newvariant)
+                               cg.Variants[i] = newvariant
                        }
                        if onLoadGenome != nil {
                                onLoadGenome(cg)