From 70316924e7146d94fc1e1f1a7dcf1db83bd7cf65 Mon Sep 17 00:00:00 2001
From: Mike Maietta <mmaietta@outlook.com>
Date: Wed, 23 Apr 2025 15:14:02 -0700
Subject: [PATCH] feat: adding env var for "dirname" to mirror the logic in
 electron-builder

---
 .changeset/soft-doors-play.md |  5 +++++
 pkg/download/tool.go          | 19 ++++++++++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/soft-doors-play.md

diff --git a/.changeset/soft-doors-play.md b/.changeset/soft-doors-play.md
new file mode 100644
index 0000000..f07e60b
--- /dev/null
+++ b/.changeset/soft-doors-play.md
@@ -0,0 +1,5 @@
+---
+"app-builder-bin": minor
+---
+
+feat: adding env var for "dirname" to mirror the logic in electron-builder
diff --git a/pkg/download/tool.go b/pkg/download/tool.go
index 0634089..7c0905c 100644
--- a/pkg/download/tool.go
+++ b/pkg/download/tool.go
@@ -60,7 +60,7 @@ func DownloadWinCodeSign() (string, error) {
 
 func downloadFromGithub(name string, version string, checksum string) (string, error) {
 	id := name + "-" + version
-	return DownloadArtifact(id, GetGithubBaseUrl()+id+"/"+id+".7z", checksum)
+	return DownloadArtifact(id, GetGithubBaseUrl()+GetGithubReleaseUrl(id)+"/"+id+".7z", checksum)
 }
 
 func GetGithubBaseUrl() string {
@@ -80,6 +80,23 @@ func GetGithubBaseUrl() string {
 	return v
 }
 
+func GetGithubReleaseUrl(defaultName string) string {
+	v := os.Getenv("NPM_CONFIG_ELECTRON_BUILDER_BINARIES_CUSTOM_DIR")
+	if len(v) == 0 {
+		v = os.Getenv("npm_config_electron_builder_binaries_custom_dir")
+	}
+	if len(v) == 0 {
+		v = os.Getenv("npm_package_config_electron_builder_binaries_custom_dir")
+	}
+	if len(v) == 0 {
+		v = os.Getenv("ELECTRON_BUILDER_BINARIES_CUSTOM_DIR")
+	}
+	if len(v) == 0 {
+		v = defaultName
+	}
+	return v
+}
+
 func DownloadTool(descriptor ToolDescriptor, osName util.OsName) (string, error) {
 	arch := runtime.GOARCH
 	switch arch {