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improve oizys-go dry parsing

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This commit is contained in:
Daylin Morgan 2024-05-19 10:06:55 -05:00
parent fa200bb369
commit e6e09537b5
Signed by: daylin
GPG key ID: 950D13E9719334AD
1 changed files with 39 additions and 30 deletions
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69
pkgs/oizys/oizys-go/pkg/oizys.go
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@ -51,7 +51,10 @@ func (o *Oizys) Output() string {
)
}
func (o *Oizys) Update(flake string, host string, cache string, verbose bool) {
func (o *Oizys) Update(
flake, host, cache string,
verbose bool,
) {
if host != "" {
o.host = host
}
@ -82,11 +85,10 @@ type packages struct {
desc string
}
func parsePackages(buf string, desc string) *packages {
func parsePackages(lines []string, desc string) *packages {
w, _ := terminalSize()
maxAcceptable := (w / 4) - 1
maxLen := 0
lines := strings.Split(strings.TrimSpace(buf), "\n")[1:]
names := make([]string, len(lines))
for i, pkg := range lines {
s := strings.SplitN(pkg, "-", 2)
@ -174,36 +176,34 @@ func (o *Oizys) GitPull() {
}
}
func ParseDryRunOutput(nixOutput string, verbose bool) {
parts := strings.Split("\n"+nixOutput, "\nthese")
func parseDryRun(buf string) (*packages, *packages) {
lines := strings.Split(strings.TrimSpace(buf), "\n")
var parts [2][]string
i := 0
for _, line := range lines {
if strings.Contains(line, "fetch") {
i++
}
if strings.HasPrefix(line, " ") {
parts[i] = append(parts[i], line)
}
}
if len(parts) != 3 {
if len(parts[0]) + len(parts[1]) == 0 {
log.Println("no changes...")
log.Println("or I failed to parse it into the expected number of parts")
fmt.Println(parts)
return
log.Fatalln("failed to parse nix build --dry-run output")
}
toBuild := parsePackages(parts[1], "packages to build")
toFetch := parsePackages(parts[2], "packages to fetch")
return parsePackages(parts[0], "packages to build"), parsePackages(parts[1], "packages to fetch")
}
func showDryRunResult(nixOutput string, verbose bool) {
toBuild, toFetch := parseDryRun(nixOutput)
toBuild.show(verbose)
toFetch.show(verbose)
}
func nixSpinner(host string) *spinner.Spinner {
msg := fmt.Sprintf("%s %s", " evaluating derivation for:",
output.String(host).Bold().Foreground(output.Color("6")),
)
s := spinner.New(
spinner.CharSets[14],
100*time.Millisecond,
spinner.WithSuffix(msg),
spinner.WithColor("fgHiMagenta"),
)
s.Start()
return s
}
func (o *Oizys) NixDryRun(verbose bool, rest ...string) {
args := []string{
"build", o.Output(), "--dry-run",
@ -217,7 +217,7 @@ func (o *Oizys) NixDryRun(verbose bool, rest ...string) {
fmt.Println(string(result))
log.Fatal(err)
}
ParseDryRunOutput(string(result), verbose)
showDryRunResult(string(result), verbose)
}
func (o *Oizys) NixosRebuild(subcmd string, rest ...string) {
@ -258,11 +258,6 @@ func (o *Oizys) CacheBuild(rest ...string) {
runCommand(cmd)
}
func CheckFlake(flake string) {
if _, err := os.Stat(flake); errors.Is(err, fs.ErrNotExist) {
log.Fatalln("path to flake:", flake, "does not exist")
}
}
func (o *Oizys) CheckFlake() {
if _, err := os.Stat(o.flake); errors.Is(err, fs.ErrNotExist) {
@ -277,3 +272,17 @@ func Output(flake string, host string) string {
host,
)
}
func nixSpinner(host string) *spinner.Spinner {
msg := fmt.Sprintf("%s %s", " evaluating derivation for:",
output.String(host).Bold().Foreground(output.Color("6")),
)
s := spinner.New(
spinner.CharSets[14],
100*time.Millisecond,
spinner.WithSuffix(msg),
spinner.WithColor("fgHiMagenta"),
)
s.Start()
return s
}