switch to faster cgo go-unarr 7z impl

Author: trevor403

cmd/get-priv-data-gfe/download.go

@@ -12,7 +12,7 @@ import (
 
 	"io"
 
-	"github.com/saracen/go7z"
+	"github.com/gen2brain/go-unarr"
 	"gopkg.in/yaml.v3"
 
 	"log"
@@ -213,38 +213,35 @@ func getArchive(gfePath, szPath string) error {
 }
 
 func getDll(szPath, dllPath string) error {
-	sz, err := go7z.OpenReader(szPath)
+	a, err := unarr.NewArchive(szPath)
 	if err != nil {
-		panic(err)
+		return err
 	}
-	defer sz.Close()
+	defer a.Close()
 
-	for {
-		hdr, err := sz.Next()
-		if err == io.EOF {
-			break // End of archive
-		}
-		if err != nil {
-			panic(err)
-		}
+	list, err := a.List()
+	if err != nil {
+		return err
+	}
 
-		if path.Base(hdr.Name) == dllname {
+	var archivePath string
+	for _, archivePath = range list {
+		if path.Base(archivePath) == dllname {
 			break
-		} else {
-			_, err = io.Copy(ioutil.Discard, sz)
-			if err != nil {
-				return err
-			}
 		}
 	}
 
-	out, err := os.Create(dllPath)
+	err = a.EntryFor(archivePath)
+	if err != nil {
+		return err
+	}
+
+	data, err := a.ReadAll()
 	if err != nil {
 		return err
 	}
-	defer out.Close()
 
-	_, err = io.Copy(out, sz)
+	err = ioutil.WriteFile(dllPath, data, 0666)
 	if err != nil {
 		return err
 	}

go.mod

@@ -3,17 +3,11 @@ module github.com/trevor403/get-priv-data-gfe
 go 1.14
 
 require (
+	github.com/gen2brain/go-unarr v0.1.1
 	github.com/kr/text v0.2.0 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/saracen/go7z v0.0.0-20191010121135-9c09b6bd7fda
-	github.com/saracen/go7z-fixtures v0.0.0-20190623165746-aa6b8fba1d2f // indirect
-	github.com/saracen/solidblock v0.0.0-20190426153529-45df20abab6f // indirect
-	github.com/ulikunitz/xz v0.5.7 // indirect
 	golang.org/x/arch v0.0.0-20200511175325-f7c78586839d
-	golang.org/x/mod v0.2.0 // indirect
-	golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56 // indirect
-	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )

go.sum

@@ -1,4 +1,6 @@
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/gen2brain/go-unarr v0.1.1 h1:wZl53oYzEN1PEIA/dPa/FjBq9rRqPmS/Gzul8BdKYK4=
+github.com/gen2brain/go-unarr v0.1.1/go.mod h1:P05CsEe8jVEXhxqXqp9mFKUKFV0BKpFmtgNWf8Mcoos=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -7,34 +9,8 @@ github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWb
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/saracen/go7z v0.0.0-20191010121135-9c09b6bd7fda h1:h+YpzUB/bGVJcLqW+d5GghcCmE/A25KbzjXvWJQi/+o=
-github.com/saracen/go7z v0.0.0-20191010121135-9c09b6bd7fda/go.mod h1:MSotTrCv1PwoR8QgU1JurEx+lNNbtr25I+m0zbLyAGw=
-github.com/saracen/go7z-fixtures v0.0.0-20190623165746-aa6b8fba1d2f h1:PF9WV5j/x6MT+x/sauUHd4objCvJbZb0wdxZkHSdd5A=
-github.com/saracen/go7z-fixtures v0.0.0-20190623165746-aa6b8fba1d2f/go.mod h1:6Ff0ADODZ6S3gYepgZ2w7OqFrTqtFcfwDUhmm8jsUhs=
-github.com/saracen/solidblock v0.0.0-20190426153529-45df20abab6f h1:1cJITU3JUI8qNS5T0BlXwANsVdyoJQHQ4hvOxbunPCw=
-github.com/saracen/solidblock v0.0.0-20190426153529-45df20abab6f/go.mod h1:LyBTue+RWeyIfN3ZJ4wVxvDuvlGJtDgCLgCb6HCPgps=
-github.com/ulikunitz/xz v0.5.7 h1:YvTNdFzX6+W5m9msiYg/zpkSURPPtOlzbqYjrFn7Yt4=
-github.com/ulikunitz/xz v0.5.7/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 golang.org/x/arch v0.0.0-20200511175325-f7c78586839d h1:YvwchuJby5xEAPdBGmdAVSiVME50C+RJfJJwJJsGEV8=
 golang.org/x/arch v0.0.0-20200511175325-f7c78586839d/go.mod h1:flIaEI6LNU6xOCD5PaJvn9wGP0agmIOqjrtsKGRguv4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.2.0 h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ=
-golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56 h1:DFtSed2q3HtNuVazwVDZ4nSRS/JrZEig0gz2BY4VNrg=
-golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=