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collect.go
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collect.go
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package main
import (
"errors"
"fmt"
"os/exec"
"strings"
"github.com/dropseed/deps/pkg/schema"
)
func collect(inputPath, outputPath string) *schema.Dependencies {
// TODO should use inputPath to join with filename?
currentDependencies := map[string]*schema.ManifestDependency{}
updatedDependencies := map[string]*schema.ManifestDependency{}
for remoteURL, remote := range loadRemotesFromEnv() {
fmt.Printf("Collecting remote %s\n", remoteURL)
for _, rif := range remote.ReplaceInFiles {
regex := rif.regex()
fileStr := rif.readFile()
submatches := regex.FindStringSubmatch(fileStr)
if len(submatches) < 1 {
panic(fmt.Errorf("Pattern not found in file\n\n Pattern: %s\n Filename: %s", rif.Pattern, rif.Filename))
}
currentVersion := submatches[1]
if currentVersion == "" {
panic(errors.New("Unable to find current version in pattern"))
}
fmt.Printf("Current version: %s\n", currentVersion)
tags := gitRemoteTags(remoteURL)
latestVersion := rif.getLatestTag(tags)
fmt.Printf("Latest version: %s\n", latestVersion)
currentDependencies[remoteURL] = &schema.ManifestDependency{
Constraint: currentVersion,
Dependency: &schema.Dependency{
Source: "git",
Repo: remoteURL,
},
}
if latestVersion != "" && latestVersion != currentVersion {
updatedDependencies[remoteURL] = &schema.ManifestDependency{
Constraint: latestVersion,
Dependency: &schema.Dependency{
Source: "git",
Repo: remoteURL,
},
}
}
}
}
output := &schema.Dependencies{
Manifests: map[string]*schema.Manifest{
"": &schema.Manifest{
Current: &schema.ManifestVersion{
Dependencies: currentDependencies,
},
Updated: &schema.ManifestVersion{
Dependencies: updatedDependencies,
},
},
},
}
return output
}
func gitRemoteTags(url string) []string {
cmd := exec.Command("git", "ls-remote", "--tags", url)
lsOutput, err := cmd.CombinedOutput()
if err != nil {
panic(err)
}
// Preserve the order, but remove duplicates as we go
tags := []string{}
tagsSeen := map[string]bool{}
for _, line := range strings.Split(string(lsOutput), "\n") {
fields := strings.Fields(line)
if len(fields) < 2 {
continue
}
tag := fields[1]
tag = strings.Replace(tag, "refs/tags/", "", 1)
// Annotated tags
if strings.HasSuffix(tag, "^{}") {
tag = tag[:len(tag)-3]
}
if _, seen := tagsSeen[tag]; !seen {
tags = append(tags, tag)
tagsSeen[tag] = true
}
}
return tags
}