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Do not fetch remote repository

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This commit is contained in:
Mikhail Klementev 2019-12-30 14:15:59 +00:00
parent 99bd71b80c
commit 0a51db3bde
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GPG key ID: BE44DA8C062D87DC
1 changed files with 2 additions and 75 deletions
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77
appvm.go
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@ -8,7 +8,6 @@
package main
import (
"bytes"
"errors"
"fmt"
"io"
@ -31,63 +30,6 @@ import (
kingpin "gopkg.in/alecthomas/kingpin.v2"
)
func evalNix(expr string) (value string, err error) {
command := exec.Command("nix", "eval", "--raw", "(toString ("+expr+"))")
log.Print("Evaluating " + expr)
var stdout bytes.Buffer
command.Stdout = &stdout
err = command.Run()
value = stdout.String()
return
}
// Gets an expression returning AppVM config path
func getAppVMExpressionPath(name string) (paths []string, config string) {
paths = strings.Split(os.Getenv("NIX_PATH"), ":")
config = "nix/" + name + ".nix"
paths = append(paths, configDir)
for _, a := range paths {
searchpath := a
log.Print("Searching " + searchpath + " for expressions")
if _, err := os.Stat(searchpath); !os.IsNotExist(err) {
exprpath := searchpath + "/nix/" + name + ".nix"
log.Print("File exists?: ", exprpath)
if _, err := os.Stat(exprpath); !os.IsNotExist(err) {
log.Print("File exists: ", exprpath)
config = exprpath
return
}
}
log.Print("Local repo " + searchpath + " doesn't have a nix expression for " + name)
}
log.Print("Trying to use remote repo config")
rev := "1251a21abadc15b7187d485317434c9befd0f6b2"
fetchFormat := "(builtins.fetchTarball \"https://github.com/%[1]s/%[2]s/archive/" + rev + ".tar.gz\")"
splitString := strings.Split(name, "/")
if len(splitString) != 3 {
// nope, not a repo format
path, err := evalNix(fmt.Sprintf(fetchFormat, "jollheef", "appvm", name))
if err != nil {
log.Fatal("OH NO ", err)
return
}
paths = []string{path}
config = path + "/nix/" + name + ".nix"
return
}
return
}
func list(l *libvirt.Libvirt) {
domains, err := l.Domains()
if err != nil {
@ -164,24 +106,9 @@ func streamStdOutErr(command *cmd.Cmd) {
}
func generateVM(name string, verbose bool) (realpath, reginfo, qcow2 string, err error) {
paths, config := getAppVMExpressionPath(name)
nixargs := []string{
"<nixpkgs/nixos>",
"-A", "config.system.build.vm",
"-I", "nixos-config=" + config,
// Taking local config from home folder
"-I" + os.Getenv("HOME"),
}
for _, path := range paths {
nixargs = append(nixargs, "-I", path)
}
command := cmd.NewCmdOptions(cmd.Options{Buffered: false, Streaming: true},
"nix-build",
nixargs...,
)
"nix-build", "<nixpkgs/nixos>", "-A", "config.system.build.vm",
"-I", "nixos-config=nix/"+name+".nix", "-I", ".")
if verbose {
go streamStdOutErr(command)