init

.gitignore

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+vendor

Gopkg.lock

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+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  name = "github.com/blang/semver"
+  packages = ["."]
+  revision = "2ee87856327ba09384cabd113bc6b5d174e9ec0f"
+  version = "v3.5.1"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "cf275d59cebaefe47525b0117f6f4cf189794057612c947e60cfe7e280335ee6"
+  solver-name = "gps-cdcl"
+  solver-version = 1

Gopkg.toml

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+
+# Gopkg.toml example
+#
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#  name = "github.com/x/y"
+#  version = "2.4.0"
+
+
+[[constraint]]
+  name = "github.com/blang/semver"
+  version = "3.5.1"

LICENSE

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+MIT License
+Copyright (c) 2016 Stephen McQuay
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# svsort
+
+Sort lines of text that begin with semver.

main.go

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+// command svsort sorts lines of text by semver at beginning of line
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"sort"
+	"strings"
+
+	"github.com/blang/semver"
+)
+
+type line struct {
+	v    semver.Version
+	line string
+}
+
+type lines []line
+
+func (l lines) Len() int           { return len(l) }
+func (l lines) Swap(i, j int)      { l[i], l[j] = l[j], l[i] }
+func (l lines) Less(i, j int) bool { return l[i].v.LT(l[j].v) }
+
+func main() {
+	s := bufio.NewScanner(os.Stdin)
+
+	ls := lines{}
+	for s.Scan() {
+		f := strings.Fields(s.Text())
+		if len(f) < 2 {
+			continue
+		}
+		v, err := semver.ParseTolerant(f[0])
+		if err != nil {
+			log.Printf("%v: %q", err, s.Text())
+			continue
+		}
+		l := line{
+			v:    v,
+			line: s.Text(),
+		}
+		ls = append(ls, l)
+	}
+
+	if err := s.Err(); err != nil {
+		log.Fatalf("scan: %v")
+	}
+
+	sort.Sort(ls)
+	for _, l := range ls {
+		fmt.Printf("%v\n", l.line)
+	}
+}