fix(elvish): upgrade shell integration for v0.17 (starship#3310)

README.md

@@ -258,7 +258,7 @@ shown below. Can't see yours? Have a look at the [extra platform instructions](h
 
    #### Elvish
 
-   **Warning** Only elvish v0.15 or higher is supported.
+   **Warning** Only elvish v0.17 or higher is supported.
    Add the following to the end of `~/.elvish/rc.elv`:
 
    ```sh

docs/README.md

@@ -110,7 +110,7 @@ description: Starship is the minimal, blazing fast, and extremely customizable p
    #### Elvish
 
    ::: warning
-   Only elvish v0.15 or higher is supported.
+   Only elvish v0.17 or higher is supported.
    :::
 
    Add the following to the end of `~/.elvish/rc.elv`:

install/install.sh

@@ -317,7 +317,7 @@ print_install() {
         # shellcheck disable=SC2088
         config_file="~/.elvish/rc.elv"
         config_cmd="eval (starship init elvish)"
-        warning="${warning} Only elvish v0.15 or higher is supported."
+        warning="${warning} Only elvish v0.17 or higher is supported."
         ;;
       nushell )
         # shellcheck disable=SC2088

src/init/starship.elv

@@ -1,43 +1,17 @@
 set-env STARSHIP_SHELL "elvish"
 set-env STARSHIP_SESSION_KEY (::STARSHIP:: session)
 
-# Define Hooks
-local:cmd-start-time = 0
-local:cmd-end-time = 0
-local:cmd-duration = 0
-
-fn starship-after-readline-hook [line]{
-    cmd-start-time = (::STARSHIP:: time)
-}
-
-fn starship-before-readline-hook {
-    cmd-end-time = (::STARSHIP:: time)
-    cmd-duration = (- $cmd-end-time $cmd-start-time)
-}
-
-# Install Hooks
-edit:after-readline = [ $@edit:after-readline $starship-after-readline-hook~ ]
-edit:before-readline = [ $@edit:before-readline $starship-before-readline-hook~ ]
-
 # Install starship
-edit:prompt = {
+set edit:prompt = {
     # Note:
     # Elvish does not appear to support exit status codes (--status)
-
-    if (== $cmd-start-time 0) {
-        ::STARSHIP:: prompt --jobs=$num-bg-jobs
-    } else {
-        ::STARSHIP:: prompt --jobs=$num-bg-jobs --cmd-duration=$cmd-duration
-    }
+    var cmd-duration = (printf "%.0f" (* $edit:command-duration 1000))
+    ::STARSHIP:: prompt --jobs=$num-bg-jobs --cmd-duration=$cmd-duration
 }
 
-edit:rprompt = {
+set edit:rprompt = {
     # Note:
     # Elvish does not appear to support exit status codes (--status)
-
-    if (== $cmd-start-time 0) {
-        ::STARSHIP:: prompt --right --jobs=$num-bg-jobs
-    } else {
-        ::STARSHIP:: prompt --right --jobs=$num-bg-jobs --cmd-duration=$cmd-duration
-    }
+    var cmd-duration = (printf "%.0f" (* $edit:command-duration 1000))
+    ::STARSHIP:: prompt --right --jobs=$num-bg-jobs --cmd-duration=$cmd-duration
 }