build diskfree on all platforms

cc #1168

df_openbsd.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"log"
+
+	"golang.org/x/sys/unix"
+)
+
+func diskFree(wd string) string {
+	var stat unix.Statfs_t
+
+	if err := unix.Statfs(wd, &stat); err != nil {
+		log.Printf("diskfree: %s", err)
+		return ""
+	}
+
+	// Available blocks * size per block = available space in bytes
+	return "df: " + humanize(int64(uint64(stat.F_bavail)*uint64(stat.F_bsize)))
+}

df_statfs.go

@@ -0,0 +1,21 @@
+//go:build darwin || dragonfly || freebsd || linux
+
+package main
+
+import (
+	"log"
+
+	"golang.org/x/sys/unix"
+)
+
+func diskFree(wd string) string {
+	var stat unix.Statfs_t
+
+	if err := unix.Statfs(wd, &stat); err != nil {
+		log.Printf("diskfree: %s", err)
+		return ""
+	}
+
+	// Available blocks * size per block = available space in bytes
+	return "df: " + humanize(int64(uint64(stat.Bavail)*uint64(stat.Bsize)))
+}

df_statvfs.go

@@ -0,0 +1,21 @@
+//go:build illumos || netbsd || solaris
+
+package main
+
+import (
+	"log"
+
+	"golang.org/x/sys/unix"
+)
+
+func diskFree(wd string) string {
+	var stat unix.Statvfs_t
+
+	if err := unix.Statvfs(wd, &stat); err != nil {
+		log.Printf("diskfree: %s", err)
+		return ""
+	}
+
+	// Available blocks * size per block = available space in bytes
+	return "df: " + humanize(int64(uint64(stat.Bavail)*uint64(stat.Bsize)))
+}

df_windows.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"log"
+
+	"golang.org/x/sys/windows"
+)
+
+func diskFree(wd string) string {
+	var free uint64
+
+	pathPtr, err := windows.UTF16PtrFromString(wd)
+	if err != nil {
+		log.Printf("diskfree: %s", err)
+		return ""
+	}
+	err = windows.GetDiskFreeSpaceEx(pathPtr, &free, nil, nil) // cwd, free, total, available
+	if err != nil {
+		log.Printf("diskfree: %s", err)
+		return ""
+	}
+	return "df: " + humanize(int64(free))
+}

os.go

@@ -230,14 +230,3 @@ func exportFiles(f string, fs []string, pwd string) {
 		os.Setenv("fx", envFiles)
 	}
 }
-func diskFree(wd string) string {
-	var stat unix.Statfs_t
-
-	if err := unix.Statfs(wd, &stat); err != nil {
-		log.Printf("diskfree: %s", err)
-		return ""
-	}
-
-	// Available blocks * size per block = available space in bytes
-	return "df: " + humanize(int64(uint64(stat.Bavail)*uint64(stat.Bsize)))
-}

os_windows.go

@@ -184,19 +184,3 @@ func exportFiles(f string, fs []string, pwd string) {
 		os.Setenv("fx", envFiles)
 	}
 }
-
-func diskFree(wd string) string {
-	var free uint64
-
-	pathPtr, err := windows.UTF16PtrFromString(wd)
-	if err != nil {
-		log.Printf("diskfree: %s", err)
-		return ""
-	}
-	err = windows.GetDiskFreeSpaceEx(pathPtr, &free, nil, nil) // cwd, free, total, available
-	if err != nil {
-		log.Printf("diskfree: %s", err)
-		return ""
-	}
-	return "df: " + humanize(int64(free))
-}