Add alt-shim support (fixes #3634)

.editorconfig

@@ -18,3 +18,8 @@ end_of_line = crlf
 
 [*.{yml, yaml}]
 indent_size = 2
+
+# Makefiles require tab indentation
+[{{M,m,GNU}akefile{,.*},*.mak,*.mk}]
+indent_style = tab
+end_of_line = lf

lib/core.ps1

@@ -578,7 +578,7 @@ function shim($path, $global, $name, $arg) {
 
     if($path -match '\.(exe|com)$') {
         # for programs with no awareness of any shell
-        Copy-Item "$(versiondir 'scoop' 'current')\supporting\shimexe\bin\shim.exe" "$shim.exe" -force
+        Copy-Item (get_shim_path) "$shim.exe" -force
         write-output "path = $resolved_path" | out-file "$shim.shim" -encoding utf8
         if($arg) {
             write-output "args = $arg" | out-file "$shim.shim" -encoding utf8 -append
@@ -608,6 +608,18 @@ powershell -noprofile -ex unrestricted `"& '$resolved_path' $arg %args%;exit `$l
     }
 }
 
+function get_shim_path() {
+    $shim_path = "$(versiondir 'scoop' 'current')\supporting\shimexe\bin\shim.exe"
+    $shim_version = get_config 'shim' 'default'
+    switch ($shim_version) {
+        '71' { $shim_path = "$(versiondir 'scoop' 'current')\supporting\shims\71\shim.exe" }
+        'kiennq' { $shim_path = "$(versiondir 'scoop' 'current')\supporting\shims\kiennq\shim.exe" }
+        'default' { $true }
+        default { warn "Unknown shim version: '$shim_version'" }
+    }
+    return $shim_path
+}
+
 function search_in_path($target) {
     $path = (env 'PATH' $false) + ";" + (env 'PATH' $true)
     foreach($dir in $path.split(';')) {

supporting/shims/71/checksum.sha256

@@ -0,0 +1 @@
+70d4690b8ac3b3f715f537cdea6e07a39fda4bc0347bf6b958e4f3ff2f0e04d4  shim.exe

supporting/shims/71/checksum.sha512

@@ -0,0 +1 @@
+ecde07b32192846c4885cf4d2208eedc170765ea115ae49b81509fed0ce474e21064100bb2f3d815ee79f1c12463d32ef013d4182647eae71855cd18e4196176  shim.exe

supporting/shims/kiennq/.gitignore

@@ -0,0 +1,2 @@
+*.zip 
+*.bak 

supporting/shims/kiennq/Makefile

@@ -0,0 +1,52 @@
+
+VER?=2.2.1
+ZIP=shimexe-$(VER).zip
+URL?=https://github.com/kiennq/scoop-better-shimexe/releases/download/$(VER)/$(ZIP)
+LATEST_URL?=https://github.com/kiennq/scoop-better-shimexe/releases/latest
+NEWVER=$(shell cat version.txt)
+
+all: verify ## make download upzip verify
+
+version.txt:
+	@curl --max-redirs 0 -s -D - -o /dev/null $(LATEST_URL) | grep -i ^location | sed -E -e "s|.*/([^/]+)$$|\1|" >version.txt
+	@printf "%s " "Latest version is:"
+	@cat version.txt
+
+check: version.txt ## Check the version number in version.txt and update if needed
+
+bump: check ## Bump version number in Makefile
+	@rm -f Makefile.bak
+	@sed -i.bak -e 's|=$(VER)|=$(NEWVER)|' Makefile
+	@cmp --quiet Makefile{,.bak} || echo "Makefile bumped from $(VER) to $(NEWVER)"
+
+$(ZIP): version.txt
+	curl -L -s -o $(ZIP) $(URL)
+	@touch $@
+
+download: $(ZIP)  ## Download shim from https://github.com/kiennq/scoop-better-shimexe
+
+shim.exe: $(ZIP)
+	unzip -z -j -o $(ZIP)
+	@touch $@
+
+unzip: shim.exe ## Unzip download
+
+verify: shim.exe ## Version SHA256 checksum for shim.exe
+	sed -e "s|bin/||" checksum.sha256 | sha256sum -c
+
+clean: ## Clean .zip files
+	rm -f *.zip
+
+help: ## Display help text
+	@printf "%-8s %s\n" Target Description
+	@printf "%-8s %s\n" '--------' '------------------------------------------'
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "%-8s %s\n", $$1, $$2}'
+
+.PHONY: all
+.PHONY: bump
+.PHONY: check
+.PHONY: clean
+.PHONY: download
+.PHONY: help
+.PHONY: unzip
+.PHONY: verify

supporting/shims/kiennq/checksum.sha256

@@ -0,0 +1 @@
+aa685053f4a5c0e7145f2a27514c8a56ceae25b0824062326f04037937caa558  bin/shim.exe

supporting/shims/kiennq/checksum.sha512

@@ -0,0 +1 @@
+67c605c8163869d8ef8153c64eb09b82645cbae8228928c0fef944d0259a7b2d3791ecf4b4b01e23566916a878ee7977bfc1a59846bccf3c63bd6a1cf4f521b5  bin/shim.exe

supporting/shims/kiennq/version.txt

@@ -0,0 +1 @@
+2.2.1