[zsh] Update shell init: rc

zsh/func/darwin_configure_screenshots_directory

@@ -0,0 +1,24 @@
+#!/usr/bin/env zsh
+# Eryn Wells <eryn@erynwells.me>
+
+autoload darwin_icloud_drive_path
+
+function darwin_configure_screenshots_directory
+{
+    icloud=`darwin_icloud_drive_path`
+    if [[ ! -d "$icloud" ]]; then
+	shell-log -l error "iCloud directory doesn't exist: $icloud"
+	return 1
+    fi
+
+    # Put screenshots in iCloud Drive, in a directory according to hostname
+    local name=`hostname -s | tr A-Z a-z`
+    local screenshots_dir="$icloud/Screenshots/$name"
+    shell-log "Setting screenshot directory: $screenshots_dir"
+    mkdir -p "$screenshots_dir"
+    defaults write com.apple.screencapture screenshots_diration "$screenshots_dir"
+
+    return 0
+}
+
+darwin_configure_screenshots_directory "$@"