From 905eb9f6709da4d49a1467531b58b8c8901097b5 Mon Sep 17 00:00:00 2001
From: rhysd <lin90162@yahoo.co.jp>
Date: Thu, 19 Dec 2019 16:26:45 +0900
Subject: [PATCH] fix .tgz file is not handled on UncompressCommand

---
 selfupdate/testdata/foo.tgz   | Bin 0 -> 241 bytes
 selfupdate/uncompress.go      |   4 ++--
 selfupdate/uncompress_test.go |   1 +
 3 files changed, 3 insertions(+), 2 deletions(-)
 create mode 100644 selfupdate/testdata/foo.tgz

diff --git a/selfupdate/testdata/foo.tgz b/selfupdate/testdata/foo.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..b2f972f260325eeb7b917cdf01ae08c0db471f3d
GIT binary patch
literal 241
zcmV<N01p2jiwFq99Y$IJ17>e;E_7jX0PWUI3c@fD1>mebMQ&gwe?3n`LkmKsiHmxA
zlSXtQDisnJzK@pK1ZLndA$}aUtTK^w#*}JH6;hX4Fj7*ICL@htf`m<lo7#hA=Mde*
zIh*=9?BASA$GmSbP+LCbzjIU79ywsE_3Qk}Jn~mI<xfg=jEkyM-TZm}u^$3YUp$1k
z`Smc++_L{i*VpXvasQw0f6^BF-$c$o{Z)H>k-tjEk$(d@|I;v6eFUz0|5?iUTP5-S
rYvG>%&RuHtShfF4{!$U{e*gdg00000000000D#r5qzk={04M+e3*~VK

literal 0
HcmV?d00001

diff --git a/selfupdate/uncompress.go b/selfupdate/uncompress.go
index 8f461a6..0449ec9 100644
--- a/selfupdate/uncompress.go
+++ b/selfupdate/uncompress.go
@@ -59,7 +59,7 @@ func unarchiveTar(src io.Reader, url, cmd string) (io.Reader, error) {
 // UncompressCommand uncompresses the given source. Archive and compression format is
 // automatically detected from 'url' parameter, which represents the URL of asset.
 // This returns a reader for the uncompressed command given by 'cmd'. '.zip',
-// '.tar.gz', '.tar.xz', '.gz' and '.xz' are supported.
+// '.tar.gz', '.tar.xz', '.tgz', '.gz' and '.xz' are supported.
 func UncompressCommand(src io.Reader, url, cmd string) (io.Reader, error) {
 	if strings.HasSuffix(url, ".zip") {
 		log.Println("Uncompressing zip file", url)
@@ -86,7 +86,7 @@ func UncompressCommand(src io.Reader, url, cmd string) (io.Reader, error) {
 		}
 
 		return nil, fmt.Errorf("File '%s' for the command is not found in %s", cmd, url)
-	} else if strings.HasSuffix(url, ".tar.gz") {
+	} else if strings.HasSuffix(url, ".tar.gz") || strings.HasSuffix(url, ".tgz") {
 		log.Println("Uncompressing tar.gz file", url)
 
 		gz, err := gzip.NewReader(src)
diff --git a/selfupdate/uncompress_test.go b/selfupdate/uncompress_test.go
index 5281b1f..12bb812 100644
--- a/selfupdate/uncompress_test.go
+++ b/selfupdate/uncompress_test.go
@@ -44,6 +44,7 @@ func TestUncompress(t *testing.T) {
 		"testdata/single-file.gz",
 		"testdata/single-file.gzip",
 		"testdata/foo.tar.gz",
+		"testdata/foo.tgz",
 		"testdata/foo.tar.xz",
 		"testdata/single-file.xz",
 	} {