install gm version through custom package

pkgs/nu-git-manager/build.nu

@@ -0,0 +1,45 @@
+use std log
+
+def main [package_file: path] {
+    let pkg_root = $package_file | path dirname
+    let pkg = open $package_file
+
+    let module_dir = $env.NUPM_HOME | path join "modules"
+    log info "ensuring Nupm's module directory exists"
+    log debug $"making directory `($module_dir)`"
+    mkdir $module_dir
+
+    log info "cleaning previous installation"
+    log debug $"removing directory `($module_dir | path join $pkg.name)`"
+    rm --recursive --force ($module_dir | path join $pkg.name)
+
+    log info "installing package"
+    log debug $"copying `($pkg_root | path join $pkg.name)` to `($module_dir)`"
+    cp -r ($pkg_root | path join $pkg.name) $module_dir
+
+    log info "preparing `gm version` command"
+    let n = ^git -C $pkg_root describe | parse "{v}-{n}-{r}" | into record | get n? | default 0
+    let version_cmd = [
+         "# see the version of NGM that is currently installed",
+         "#",
+         "# # Examples",
+         "# ```nushell",
+         "# # get the version of NGM",
+         "# gm version",
+         "# ```",
+         "export def \"gm version\" []: nothing -> record<version: string, branch: string, commit: string, date: datetime> {",
+         "    {",
+        $"        version: \"($pkg.version)+($n)\",",
+        $"        branch: \"(^git -C $pkg_root branch --show-current)\",",
+        $"        commit: \"(^git -C $pkg_root rev-parse HEAD)\",",
+        $"        date: \((date now | to nuon)\),",
+         "    }",
+         "}",
+    ]
+
+    let mod = $env.NUPM_HOME | path join "modules" $pkg.name "mod.nu"
+    log info $"dumping `gm version` to `($mod)`"
+    "\n" | save --append $mod
+    $version_cmd | str join "\n" | save --append $mod
+}
+

pkgs/nu-git-manager/nupm.nuon

@@ -12,6 +12,6 @@
         nushell: 0.91.0
         git: 2.40.1
     }
-    type: "module"
+    type: "custom"
 }
 

toolkit.nu

@@ -48,30 +48,6 @@ export def "install" []: nothing -> nothing {
         null
     "
 
-    let mod = $env.NUPM_HOME | path join "modules" "nu-git-manager" "mod.nu"
-    let v = (open pkgs/nu-git-manager/nupm.nuon).version
-    let n = ^git describe | parse "{v}-{n}-{r}" | into record | get n? | default 0
-    let version_cmd = [
-         "# see the version of NGM that is currently installed",
-         "#",
-         "# # Examples",
-         "# ```nushell",
-         "# # get the version of NGM",
-         "# gm version",
-         "# ```",
-         "export def \"gm version\" []: nothing -> record<version: string, branch: string, commit: string, date: datetime> {",
-         "    {",
-        $"        version: \"($v)+($n)\",",
-        $"        branch: \"(^git branch --show-current)\",",
-        $"        commit: \"(^git rev-parse HEAD)\",",
-        $"        date: \((date now | to nuon)\),",
-         "    }",
-         "}",
-    ]
-
-    "\n" | save --append $mod
-    $version_cmd | str join "\n" | save --append $mod
-
     null
 }