feat: add basic android support

lisp/doom-cli-lib.el

@@ -1165,7 +1165,9 @@ Emacs' batch library lacks an implementation of the exec system call."
                         ("__DOOMGEOM" . ,(number-to-string (doom-cli-context-step context)))
                         ("__DOOMCONTEXT" . ,context-file))))
          (pcase-exhaustive shtype
-           ("sh" `("#!/usr/bin/env sh\n"
+           ("sh" `(,(if (featurep :system 'android)
+                        "#!/bin/sh\n"
+                      "#!/usr/bin/env sh\n")
                    "trap _doomcleanup EXIT\n"
                    "_doomcleanup() {\n  rm -f " ,persistent-files "\n}\n"
                    "_doomrun() {\n  " ,command "\n}\n"

lisp/doom.el

@@ -121,7 +121,8 @@
     ('darwin                           '(macos bsd))
     ((or 'cygwin 'windows-nt 'ms-dos)  '(windows))
     ((or 'gnu 'gnu/linux)              '(linux))
-    ((or 'gnu/kfreebsd 'berkeley-unix) '(linux bsd)))
+    ((or 'gnu/kfreebsd 'berkeley-unix) '(linux bsd))
+    ('android                          '(android)))
   "A list of symbols denoting available features in the active Doom profile.")
 
 ;; Convenience aliases for internal use only (may be removed later).

lisp/lib/config.el

@@ -74,7 +74,12 @@ And jumps to your `doom!' block."
                 ,on-failure))
             nil 'local))))))
 
-(defvar doom-reload-command "%s sync -B -e"
+(defvar doom-reload-command
+  (format "%s sync -B -e"
+          ;; /usr/bin/env doesn't exist on Android
+          (if (featurep :system 'android)
+              "sh %%s"
+            "%%s"))
   "Command that `doom/reload' runs.")
 ;;;###autoload
 (defun doom/reload ()
@@ -138,7 +143,12 @@ imported into Emacs."
         (doom-load-envvars-file doom-env-file)
         (message "Reloaded %S" (abbreviate-file-name doom-env-file))))))
 
-(defvar doom-upgrade-command "%s upgrade -B --force"
+(defvar doom-upgrade-command
+  (format "%s upgrade -B --force"
+          ;; /usr/bin/env doesn't exist on Android
+          (if (featurep :system 'android)
+              "sh %%s"
+            "%%s"))
   "Command that `doom/upgrade' runs.")
 ;;;###autoload
 (defun doom/upgrade ()