willmcclellan · August 17, 2019 05:13 · Aug 17, 2019 · Aug 17, 2019
diff --git a/magit.sh b/magit.sh
@@ -36,7 +36,7 @@ EOF
 
 # * Args
 
-args=$(getopt -n "$0" -o x -l --no-x -- "$@") || { usage; exit 1; }
+args=$(getopt -n "$0" -o x -l no-x -- "$@") || { usage; exit 1; }
 eval set -- "$args"
 
 while true

diff --git a/magit.sh b/magit.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+# Run a standalone Magit editor!  To improve startup speed, this
+# script ignores the user's Emacs init files and only loads the Emacs
+# libraries Magit requires.
+
+# Note that this does NOT install any packages.  Magit and its
+# dependencies must already be installed in ~/.emacs.d.
+
+dependencies=(magit async dash with-editor git-commit transient)
+
+function load_paths {
+    # Echo the "-L PATH" arguments for Emacs.  Since multiple versions
+    # of a package could be installed, and we want the latest one, we
+    # sort them and take the top one.
+    for package in "$@"
+    do
+        find ~/.emacs.d/elpa -maxdepth 1 -type d -iname "$package-2*" \
+            | sort -r | head -n1 | \
+            while read path
+            do
+                printf -- '-L %q ' "$path"
+            done
+    done
+}
+
+function usage {
+    echo <<EOF
+It's Magit!
+
+Options:
+  -h, --help  This.
+  -x, --no-x  Display in terminal instead of in a GUI window.
+EOF
+}
+
+# * Args
+
+args=$(getopt -n "$0" -o x -l --no-x -- "$@") || { usage; exit 1; }
+eval set -- "$args"
+
+while true
+do
+    case "$1" in
+        -h|--help)
+            usage
+            exit
+            ;;
+        -x|--no-x)
+            gui="-nw"
+            ;;
+        --)
+            # Remaining args (required; do not remove)
+            shift
+            rest=("$@")
+            break
+            ;;
+    esac
+
+    shift
+done
+
+# * Main
+
+emacs -q $gui \
+      $(load_paths "${dependencies[@]}") \
+      -l magit -f magit-status \
+      --eval "(local-set-key \"q\" #'kill-emacs)" \
+      -f delete-other-windows