From dd299c4976bb2695d8c702bad39c43f40e627a90 Mon Sep 17 00:00:00 2001
From: Valerie Wolfe <sleeplessval@gmail.com>
Date: Wed, 3 Jul 2024 16:20:46 -0400
Subject: [PATCH] scripts: created pwsh launch script

---
 README.md        |  1 +
 scripts/justfile |  1 +
 scripts/pwsh.sh  | 27 +++++++++++++++++++++++++++
 3 files changed, 29 insertions(+)
 create mode 100755 scripts/pwsh.sh

diff --git a/README.md b/README.md
index 3bd3eab..2e0507a 100644
--- a/README.md
+++ b/README.md
@@ -29,5 +29,6 @@ A feature-barren DOS clone of `ls` that hides Windows hidden files. Relies on
 - `dos.sh`: Simple wrapper for executing Windows commands directly.
 - `elevate.sh`: Elevate WSL (`-l`) or Windows (`-w`) commands from WSL.
 - `explorer.sh`: Launch explorer from WSL.
+- `pwsh.sh`: Launch PowerShell Core.
 - `terminal.sh`: Launch Windows Terminal.
 
diff --git a/scripts/justfile b/scripts/justfile
index 805c93b..5f687ea 100644
--- a/scripts/justfile
+++ b/scripts/justfile
@@ -5,5 +5,6 @@ install DIR="~/.bin":
 	cp dos.sh {{DIR}}/dos
 	cp elevate.sh {{DIR}}/elevate
 	cp explorer.sh {{DIR}}/explorer
+	cp pwsh.sh {{DIR}}/pwsh
 	cp terminal.sh {{DIR}}/terminal
 
diff --git a/scripts/pwsh.sh b/scripts/pwsh.sh
new file mode 100755
index 0000000..2420ac0
--- /dev/null
+++ b/scripts/pwsh.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/bash
+
+#	try to use system-wide version first.
+#	this usually fails, but it's worth a shot.
+if [[ -r '/mnt/c/Program Files/WindowsApps/' ]]; then
+	cd '/mnt/c/Program Files/WindowsApps/'
+	PWSH="`pwd`/`find Microsoft.PowerShell_* -name 'pwsh.exe'`"
+	cd - > /dev/null
+	if ! [ -x "$PWSH" ]; then
+		unset PWSH
+	fi
+fi
+
+#	fall back to user installation
+if [ -z ${PWSH+x} ]; then
+	#	absolutely monstrous string hackery
+	#	get %USERPROFILE% using cmd and convert that path
+	USERPROFILE=`/mnt/c/Windows/System32/cmd.exe '/C' 'echo %USERPROFILE%' 2> /dev/null`
+	USERPROFILE=${USERPROFILE//\\//}		#	replace '\' separators with '/'
+	USERPROFILE=/mnt/c/${USERPROFILE#C:/}	#	replace 'C:/' with '/mnt/c/'
+	USERPROFILE=${USERPROFILE%$'\r'}		#	strip carriage return
+	PWSH="$USERPROFILE/AppData/Local/Microsoft/WindowsApps/pwsh.exe"
+fi
+
+#	run target
+"$PWSH" $@
+