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package main
import (
"fmt"
"os"
"strings"
_ "github.com/containers/podman/v4/cmd/podman/completion"
_ "github.com/containers/podman/v4/cmd/podman/containers"
_ "github.com/containers/podman/v4/cmd/podman/generate"
_ "github.com/containers/podman/v4/cmd/podman/healthcheck"
_ "github.com/containers/podman/v4/cmd/podman/images"
_ "github.com/containers/podman/v4/cmd/podman/machine"
_ "github.com/containers/podman/v4/cmd/podman/manifest"
_ "github.com/containers/podman/v4/cmd/podman/networks"
_ "github.com/containers/podman/v4/cmd/podman/play"
_ "github.com/containers/podman/v4/cmd/podman/pods"
"github.com/containers/podman/v4/cmd/podman/registry"
_ "github.com/containers/podman/v4/cmd/podman/secrets"
_ "github.com/containers/podman/v4/cmd/podman/system"
_ "github.com/containers/podman/v4/cmd/podman/system/connection"
_ "github.com/containers/podman/v4/cmd/podman/volumes"
"github.com/containers/podman/v4/pkg/rootless"
"github.com/containers/podman/v4/pkg/terminal"
"github.com/containers/storage/pkg/reexec"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
func main() {
if reexec.Init() {
// We were invoked with a different argv[0] indicating that we
// had a specific job to do as a subprocess, and it's done.
return
}
rootCmd = parseCommands()
Execute()
os.Exit(0)
}
func parseCommands() *cobra.Command {
cfg := registry.PodmanConfig()
for _, c := range registry.Commands {
if supported, found := c.Command.Annotations[registry.EngineMode]; found {
if !strings.Contains(cfg.EngineMode.String(), supported) {
continue
}
}
// Command cannot be run rootless
_, found := c.Command.Annotations[registry.UnshareNSRequired]
if found {
if rootless.IsRootless() && os.Getuid() != 0 && c.Command.Name() != "scp" {
c.Command.RunE = func(cmd *cobra.Command, args []string) error {
return fmt.Errorf("cannot run command %q in rootless mode, must execute `podman unshare` first", cmd.CommandPath())
}
}
} else {
_, found = c.Command.Annotations[registry.ParentNSRequired]
if rootless.IsRootless() && found && c.Command.Name() != "scp" {
c.Command.RunE = func(cmd *cobra.Command, args []string) error {
return fmt.Errorf("cannot run command %q in rootless mode", cmd.CommandPath())
}
}
}
parent := rootCmd
if c.Parent != nil {
parent = c.Parent
}
parent.AddCommand(c.Command)
c.Command.SetFlagErrorFunc(flagErrorFuncfunc)
// - templates need to be set here, as PersistentPreRunE() is
// not called when --help is used.
// - rootCmd uses cobra default template not ours
c.Command.SetHelpTemplate(helpTemplate)
c.Command.SetUsageTemplate(usageTemplate)
c.Command.DisableFlagsInUseLine = true
}
if err := terminal.SetConsole(); err != nil {
logrus.Error(err)
os.Exit(1)
}
rootCmd.SetFlagErrorFunc(flagErrorFuncfunc)
return rootCmd
}
func flagErrorFuncfunc(c *cobra.Command, e error) error {
e = fmt.Errorf("%w\nSee '%s --help'", e, c.CommandPath())
return e
}
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