Check user systemd unit files with systemd-analyze

doc/ale-supported-languages-and-tools.txt

@@ -167,7 +167,7 @@ Notes:
 * Git Commit Messages
   * `gitlint`
 * GLSL
-  * glslang
+  * `glslang`
   * `glslls`
 * Go
   * `bingo`
@@ -492,6 +492,8 @@ Notes:
   * `sourcekit-lsp`
   * `swiftformat`
   * `swiftlint`
+* systemd
+  * `systemd-analyze`!!
 * Tcl
   * `nagelfar`!!
 * Terraform
@@ -562,3 +564,6 @@ Notes:
   * `yang-lsp`
 * Zig
   * `zls`
+
+===============================================================================
+  vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:

doc/ale-systemd.txt

@@ -0,0 +1,14 @@
+===============================================================================
+ALE systemd Integration                                   *ale-systemd-options*
+
+
+===============================================================================
+systemd-analyze                                           *ale-systemd-analyze*
+
+ALE supports checking user systemd units with `systemd-analyze --user verify`
+Checks will only work with user unit files in their proper location. There
+aren't any options, and checks can only run after saving the file.
+
+
+===============================================================================
+  vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:

doc/ale.txt

@@ -3010,6 +3010,8 @@ documented in additional help files.
     stylelint.............................|ale-sugarss-stylelint|
   swift...................................|ale-swift-options|
     sourcekitlsp..........................|ale-swift-sourcekitlsp|
+  systemd.................................|ale-systemd-options|
+    systemd-analyze.......................|ale-systemd-analyze|
   tcl.....................................|ale-tcl-options|
     nagelfar..............................|ale-tcl-nagelfar|
   terraform...............................|ale-terraform-options|