Merge pull request #786 from uncomfyhalomacro/20240112-improvement-of…

…-self-uninstall-take-2

improvement: new message for `juliaup self uninstall command` if feature `selfupdate` is disabled

src/bin/juliaup.rs

@@ -23,8 +23,15 @@ use juliaup::{
     command_config_backgroundselfupdate::run_command_config_backgroundselfupdate,
     command_config_modifypath::run_command_config_modifypath,
     command_config_startupselfupdate::run_command_config_startupselfupdate,
-    command_selfchannel::run_command_selfchannel, command_selfuninstall::run_command_selfuninstall,
+    command_selfchannel::run_command_selfchannel,
 };
+
+#[cfg(feature = "selfupdate")]
+use juliaup::command_selfuninstall::run_command_selfuninstall;
+
+#[cfg(not(feature = "selfupdate"))]
+use juliaup::command_selfuninstall::run_command_selfuninstall_unavailable;
+
 use log::info;
 
 #[derive(Parser)]
@@ -113,6 +120,9 @@ enum SelfSubCmd {
     #[cfg(feature = "selfupdate")]
     /// Uninstall this version of juliaup from the system
     Uninstall {},
+    #[cfg(not(feature = "selfupdate"))]
+    /// Uninstall this version of juliaup from the system (UNAVAILABLE)
+    Uninstall {},
 }
 
 #[derive(Parser)]
@@ -226,6 +236,8 @@ fn main() -> Result<()> {
             SelfSubCmd::Channel { channel } => run_command_selfchannel(channel, &paths),
             #[cfg(feature = "selfupdate")]
             SelfSubCmd::Uninstall {} => run_command_selfuninstall(&paths),
+            #[cfg(not(feature = "selfupdate"))]
+            SelfSubCmd::Uninstall {} => run_command_selfuninstall_unavailable(),
         },
     }
 }

src/command_selfuninstall.rs

@@ -117,3 +117,16 @@ pub fn run_command_selfuninstall(paths: &crate::global_paths::GlobalPaths) -> Re
 
     Ok(())
 }
+
+#[cfg(not(feature = "selfupdate"))]
+use anyhow::Result;
+
+#[cfg(not(feature = "selfupdate"))]
+pub fn run_command_selfuninstall_unavailable() -> Result<()> {
+    eprintln!(
+        "Self uninstall command is unavailable in this variant of Juliaup.
+This software was built with the intention of distributing it
+through a package manager other than cargo or upstream."
+    );
+    Ok(())
+}