Avoid ignoring errors

scripts/build.sh

@@ -1,10 +1,12 @@
 #!/bin/sh
 
+set -eu
+
 check_command() {
-    if ! command -v "$1" > /dev/null
+    if ! command -v "$1" >/dev/null
     then
-        echo "Error: $1 could not be found. Please install it."
+        echo "Error: $1 could not be found. Please install it." >&2
-        exit 1
+        return 1
     fi
 }
 
@@ -13,82 +15,97 @@ check_command go
 check_command 7z
 check_command upx
 
+set -x
+
 # Windows amd64
 export GOOS=windows
 export GOARCH=amd64
 FILENAME="go2rtc_win64.zip"
-go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
+go build -ldflags "-s -w" -trimpath
+7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
 
 # Windows 386
 export GOOS=windows
 export GOARCH=386
 FILENAME="go2rtc_win32.zip"
-go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
+go build -ldflags "-s -w" -trimpath
+7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
 
 # Windows arm64
 export GOOS=windows
 export GOARCH=arm64
 FILENAME="go2rtc_win_arm64.zip"
-go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
+go build -ldflags "-s -w" -trimpath
+7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
 
 # Linux amd64
 export GOOS=linux
 export GOARCH=amd64
 FILENAME="go2rtc_linux_amd64"
-go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+go build -ldflags "-s -w" -trimpath -o $FILENAME
+upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux 386
 export GOOS=linux
 export GOARCH=386
 FILENAME="go2rtc_linux_i386"
-go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+go build -ldflags "-s -w" -trimpath -o $FILENAME
+upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux arm64
 export GOOS=linux
 export GOARCH=arm64
 FILENAME="go2rtc_linux_arm64"
-go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+go build -ldflags "-s -w" -trimpath -o $FILENAME
+upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux arm v7
 export GOOS=linux
 export GOARCH=arm
 export GOARM=7
 FILENAME="go2rtc_linux_arm"
-go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+go build -ldflags "-s -w" -trimpath -o $FILENAME
+upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux arm v6
 export GOOS=linux
 export GOARCH=arm
 export GOARM=6
 FILENAME="go2rtc_linux_armv6"
-go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+go build -ldflags "-s -w" -trimpath -o $FILENAME
+upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux mipsle
 export GOOS=linux
 export GOARCH=mipsle
 FILENAME="go2rtc_linux_mipsel"
-go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+go build -ldflags "-s -w" -trimpath -o $FILENAME
+upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Darwin amd64
 export GOOS=darwin
 export GOARCH=amd64
 FILENAME="go2rtc_mac_amd64.zip"
-go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc
+go build -ldflags "-s -w" -trimpath
+7z a -mx9 -bso0 -sdel $FILENAME go2rtc
 
 # Darwin arm64
 export GOOS=darwin
 export GOARCH=arm64
 FILENAME="go2rtc_mac_arm64.zip"
-go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc
+go build -ldflags "-s -w" -trimpath
+7z a -mx9 -bso0 -sdel $FILENAME go2rtc
 
 # FreeBSD amd64
 export GOOS=freebsd
 export GOARCH=amd64
 FILENAME="go2rtc_freebsd_amd64.zip"
-go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc
+go build -ldflags "-s -w" -trimpath
+7z a -mx9 -bso0 -sdel $FILENAME go2rtc
 
 # FreeBSD arm64
 export GOOS=freebsd
 export GOARCH=arm64
 FILENAME="go2rtc_freebsd_arm64.zip"
-go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc
+go build -ldflags "-s -w" -trimpath
+7z a -mx9 -bso0 -sdel $FILENAME go2rtc