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cmd: Add --watch flag to start & run commands (closes #1806)

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Because, just for fun.
This commit is contained in:
Matthew Holt
2020-03-22 22:58:24 -06:00
parent 8cc60e6896
commit 6e2fabb2a4
3 changed files with 110 additions and 14 deletions
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14
cmd/commands.go
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@ -74,7 +74,7 @@ func init() {
RegisterCommand(Command{
Name: "start",
Func: cmdStart,
Usage: "[--config <path> [[--adapter <name>]]",
Usage: "[--config <path> [--adapter <name>]] [--watch]",
Short: "Starts the Caddy process in the background and then returns",
Long: `
Starts the Caddy process, optionally bootstrapped with an initial config file.
@ -87,6 +87,7 @@ using 'caddy run' instead to keep it in the foreground.`,
fs := flag.NewFlagSet("start", flag.ExitOnError)
fs.String("config", "", "Configuration file")
fs.String("adapter", "", "Name of config adapter to apply")
fs.Bool("watch", false, "Reload changed config file automatically")
return fs
}(),
})
@ -94,7 +95,7 @@ using 'caddy run' instead to keep it in the foreground.`,
RegisterCommand(Command{
Name: "run",
Func: cmdRun,
Usage: "[--config <path> [--adapter <name>]] [--environ]",
Usage: "[--config <path> [--adapter <name>]] [--environ] [--watch]",
Short: `Starts the Caddy process and blocks indefinitely`,
Long: `
Starts the Caddy process, optionally bootstrapped with an initial config file,
@ -119,13 +120,18 @@ be printed before starting. This is the same as the environ command but does
not quit after printing, and can be useful for troubleshooting.
The --resume flag will override the --config flag if there is a config auto-
save file. It is not an error if --resume is used and no autosave file exists.`,
save file. It is not an error if --resume is used and no autosave file exists.
If --watch is specified, the config file will be loaded automatically after
changes. ⚠️ This is dangerous in production! Only use this option in a local
development environment.`,
Flags: func() *flag.FlagSet {
fs := flag.NewFlagSet("run", flag.ExitOnError)
fs.String("config", "", "Configuration file")
fs.String("adapter", "", "Name of config adapter to apply")
fs.Bool("resume", false, "Use saved config, if any (and prefer over --config file)")
fs.Bool("environ", false, "Print environment")
fs.Bool("resume", false, "Use saved config, if any (and prefer over --config file)")
fs.Bool("watch", false, "Watch config file for changes and reload it automatically")
fs.String("pingback", "", "Echo confirmation bytes to this address on success")
return fs
}(),