From 26fda847ca1024710bf11818fea316a095928a44 Mon Sep 17 00:00:00 2001 From: Philipp Heckel Date: Tue, 21 Jun 2022 11:43:26 -0400 Subject: [PATCH] Docs --- cmd/publish.go | 2 +- cmd/{publish_unix.go => publish_darwin.go} | 0 cmd/publish_linux.go | 8 +++ docs/releases.md | 1 + docs/subscribe/cli.md | 65 ++++++++++++++++++++++ 5 files changed, 75 insertions(+), 1 deletion(-) rename cmd/{publish_unix.go => publish_darwin.go} (100%) create mode 100644 cmd/publish_linux.go diff --git a/cmd/publish.go b/cmd/publish.go index 1edb24d..13a7288 100644 --- a/cmd/publish.go +++ b/cmd/publish.go @@ -35,7 +35,7 @@ var flagsPublish = append( &cli.StringFlag{Name: "email", Aliases: []string{"mail", "e"}, EnvVars: []string{"NTFY_EMAIL"}, Usage: "also send to e-mail address"}, &cli.StringFlag{Name: "user", Aliases: []string{"u"}, EnvVars: []string{"NTFY_USER"}, Usage: "username[:password] used to auth against the server"}, &cli.IntFlag{Name: "wait-pid", Aliases: []string{"pid"}, EnvVars: []string{"NTFY_WAIT_PID"}, Usage: "wait until PID exits before publishing"}, - &cli.BoolFlag{Name: "wait-cmd", Aliases: []string{"cmd", "done"}, EnvVars: []string{"NTFY_WAIT_CMD"}, Usage: "run and wait until command finishes before publishing"}, + &cli.BoolFlag{Name: "wait-cmd", Aliases: []string{"cmd", "done"}, EnvVars: []string{"NTFY_WAIT_CMD"}, Usage: "run command and wait until it finishes before publishing"}, &cli.BoolFlag{Name: "no-cache", Aliases: []string{"C"}, EnvVars: []string{"NTFY_NO_CACHE"}, Usage: "do not cache message server-side"}, &cli.BoolFlag{Name: "no-firebase", Aliases: []string{"F"}, EnvVars: []string{"NTFY_NO_FIREBASE"}, Usage: "do not forward message to Firebase"}, &cli.BoolFlag{Name: "env-topic", Aliases: []string{"P"}, EnvVars: []string{"NTFY_ENV_TOPIC"}, Usage: "use topic from NTFY_TOPIC env variable"}, diff --git a/cmd/publish_unix.go b/cmd/publish_darwin.go similarity index 100% rename from cmd/publish_unix.go rename to cmd/publish_darwin.go diff --git a/cmd/publish_linux.go b/cmd/publish_linux.go new file mode 100644 index 0000000..2ff32cc --- /dev/null +++ b/cmd/publish_linux.go @@ -0,0 +1,8 @@ +package cmd + +import "syscall" + +func processExists(pid int) bool { + err := syscall.Kill(pid, syscall.Signal(0)) + return err == nil +} diff --git a/docs/releases.md b/docs/releases.md index 63fff81..5398392 100644 --- a/docs/releases.md +++ b/docs/releases.md @@ -8,6 +8,7 @@ and the [ntfy Android app](https://github.com/binwiederhier/ntfy-android/release **Features:** +* ntfy CLI can now [wait for a command or PID](https://ntfy.sh/docs/subscribe/cli/#wait-for-pidcommand) before publishing ([#263](https://github.com/binwiederhier/ntfy/issues/263), thanks to the [original ntfy](https://github.com/dschep/ntfy) for the idea) * Trace: Log entire HTTP request to simplify debugging (no ticket) * Allow setting user password via `NTFY_PASSWORD` env variable ([#327](https://github.com/binwiederhier/ntfy/pull/327), thanks to [@Kenix3](https://github.com/Kenix3)) diff --git a/docs/subscribe/cli.md b/docs/subscribe/cli.md index 7c59740..6f5a206 100644 --- a/docs/subscribe/cli.md +++ b/docs/subscribe/cli.md @@ -56,6 +56,71 @@ quick ones: ntfy pub mywebhook ``` +### Attaching a local file +You can easily upload and attach a local file to a notification: + +``` +$ ntfy pub --file README.md mytopic | jq . +{ + "id": "meIlClVLABJQ", + "time": 1655825460, + "event": "message", + "topic": "mytopic", + "message": "You received a file: README.md", + "attachment": { + "name": "README.md", + "type": "text/plain; charset=utf-8", + "size": 2892, + "expires": 1655836260, + "url": "https://ntfy.sh/file/meIlClVLABJQ.txt" + } +} +``` + +### Wait for PID/command +If you have a long-running command, you may wrap it directly with `ntfy publish --wait-cmd`, +or if you forgot to wrap it and it's already running, wait for the process to complete with +`ntfy publish --wait-pid`. + +Run a command and wait for it to complete (here: `rsync ...`): + +``` +$ ntfy pub --wait-cmd mytopic rsync -av ./ root@example.com:/backups/ | jq . +{ + "id": "Re0rWXZQM8WB", + "time": 1655825624, + "event": "message", + "topic": "mytopic", + "message": "Command succeeded after 56.553s: rsync -av ./ root@example.com:/backups/" +} +``` + +Or, if you already started the long-running process and want to wait for it, you can do this: + +=== "Using a PID directly" + ``` + $ ntfy pub --wait-pid 8458 mytopic | jq . + { + "id": "orM6hJKNYkWb", + "time": 1655825827, + "event": "message", + "topic": "mytopic", + "message": "Process with PID 8458 exited after 2.003s" + } + ``` + +=== "Using a `pidof`" + ``` + $ ntfy pub --wait-pid $(pidof rsync) mytopic | jq . + { + "id": "orM6hJKNYkWb", + "time": 1655825827, + "event": "message", + "topic": "mytopic", + "message": "Process with PID 8458 exited after 2.003s" + } + ``` + ## Subscribe to topics You can subscribe to topics using `ntfy subscribe`. Depending on how it is called, this command will either print or execute a command for every arriving message. There are a few different ways