From ccb085f7f0affc436e458ff71e34bf47277fe1f3 Mon Sep 17 00:00:00 2001
From: Matt Bruce <mbrucedogs@gmail.com>
Date: Sat, 14 Feb 2026 11:35:42 -0600
Subject: [PATCH] Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

---
 README.md                       |  1 +
 mac/src/README.md               |  1 +
 scripts/create_installer_dmg.sh | 11 ++++++++---
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 576b2a4..61a36fc 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,7 @@ Package as DMG:
 ```bash
 APP_BUNDLE_PATH="dist-mac/<timestamp>/<Scheme>.app" ./scripts/create_installer_dmg.sh
 ```
+Output: `build/dmg/<AppName>-<timestamp>.dmg`
 
 ## Optional Standalone Streamlit App
 ```bash
diff --git a/mac/src/README.md b/mac/src/README.md
index 2fec4d0..3ea9bd7 100644
--- a/mac/src/README.md
+++ b/mac/src/README.md
@@ -16,6 +16,7 @@ From repo root:
    - `dist-mac/<timestamp>/<Scheme>.app`
 3. Optional DMG packaging:
    - `APP_BUNDLE_PATH="dist-mac/<timestamp>/<Scheme>.app" ./scripts/create_installer_dmg.sh`
+   - DMG output path: `build/dmg/<AppName>-<timestamp>.dmg`
 
 ## Run In Xcode
 From repo root:
diff --git a/scripts/create_installer_dmg.sh b/scripts/create_installer_dmg.sh
index 86b9bd2..2f65172 100755
--- a/scripts/create_installer_dmg.sh
+++ b/scripts/create_installer_dmg.sh
@@ -46,10 +46,12 @@ fi
 APP_FILENAME="$(basename "$APP_BUNDLE")"
 APP_NAME="${APP_FILENAME%.app}"
 TS="$(date +%Y%m%d-%H%M%S)"
-STAGE_DIR="$ROOT_DIR/dist-$TS"
-OUT_DMG="$ROOT_DIR/${APP_NAME}-$TS.dmg"
+BUILD_DIR="${BUILD_DIR:-$ROOT_DIR/build}"
+DMG_DIR="${DMG_DIR:-$BUILD_DIR/dmg}"
+STAGE_DIR="$DMG_DIR/stage/$TS"
+OUT_DMG="$DMG_DIR/${APP_NAME}-$TS.dmg"
 
-mkdir -p "$STAGE_DIR"
+mkdir -p "$DMG_DIR" "$STAGE_DIR"
 cp -R "$APP_BUNDLE" "$STAGE_DIR/"
 
 create-dmg \
@@ -63,4 +65,7 @@ create-dmg \
   "$OUT_DMG" \
   "$STAGE_DIR"
 
+rm -rf "$STAGE_DIR"
+rmdir "$DMG_DIR/stage" 2>/dev/null || true
+
 echo "Created installer: $OUT_DMG"