Script to help find dlls

1 files changed, 82 insertions, 0 deletions

diff --git a/nsis/find_dlls.sh b/nsis/find_dlls.sh
new file mode 100755
index 0000000..6e02688
--- /dev/null
+++ b/nsis/find_dlls.sh
@@ -0,0 +1,82 @@
+#!/usr/bin/env sh
+
+###############################################################################
+# Script to determine dll dependencies of a Windows executable file.          #
+# This should help automate the process of locating dlls to include as part   #
+# of an installer.                                                            #
+#                                                                             #
+# This script is licensed under the GPLv3+                                    #
+# Written by Louie Shprung <lshprung@tutanota.com>                            #
+###############################################################################
+
+help() {
+	echo "Usage: $0 [OPTION]... BINARY..."
+	echo "Determine dlls required by BINARY (an .exe or .dll file)"
+	echo
+	echo "Options:"
+	echo "  -h         display this help message and exit"
+	echo "  -q         hide warnings"
+	echo "  -s PATH    set a path to search for dlls on. Default is \$PATH"
+}
+
+get_dll_path() {
+	(
+	IFS=':'
+	for path in $SEARCHPATH; do
+		if [ -e "$path/$1" ]; then
+			echo "$path/$1"
+			return 0
+		fi
+	done
+	echo "Warning: Could not locate '$1' on system"
+	return 1
+	)
+}
+
+print_dlls() {
+	while [ -n "$1" ]; do
+		DLL_NAMES=$(objdump -x "$1" | grep "DLL Name: " | sed 's/^[^D]*DLL Name: //')
+		for file in $DLL_NAMES; do
+			if DLL_PATH="$(get_dll_path "$file")"; then
+				echo "$DLL_PATH"
+				print_dlls "$DLL_PATH"
+			elif [ "$WARNINGS" -eq 1 ]; then
+				echo "$DLL_PATH"
+			fi
+		done
+		shift
+	done
+}
+
+SEARCHPATH="$PATH"
+WARNINGS=1
+
+# Check args
+while getopts "hqs:" flag; do
+	case "$flag" in
+		h)
+			help
+			exit
+			;;
+		q)
+			WARNINGS=0
+			;;
+		s)
+			SEARCHPATH="${OPTARG}"
+			;;
+		*)
+			break
+	esac
+done
+shift $((OPTIND-1))
+
+if [ -z "$1" ]; then
+	help
+	exit 1
+fi
+
+if [ ! -e "$1" ]; then
+	>&2 echo "Error: '$1' does not exist - skipping"
+fi
+
+print_dlls "$@"