Merge branch 'pb/strbuf-read-file-doc' into maint

diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index 92adcc0d0785f8b78fce2c49bbcc40e49020ee24..9abd00be212b3e55883c0f9fa0487c7b31a6039f 100644 (file)
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -372,3 +372,28 @@ get_merge_tool () {
        fi
        echo "$merge_tool"
 }
+
+mergetool_find_win32_cmd () {
+       executable=$1
+       sub_directory=$2
+
+       # Use $executable if it exists in $PATH
+       if type -p "$executable" >/dev/null 2>&1
+       then
+               printf '%s' "$executable"
+               return
+       fi
+
+       # Look for executable in the typical locations
+       for directory in $(env | grep -Ei '^PROGRAM(FILES(\(X86\))?|W6432)=' |
+               cut -d '=' -f 2- | sort -u)
+       do
+               if test -n "$directory" && test -x "$directory/$sub_directory/$executable"
+               then
+                       printf '%s' "$directory/$sub_directory/$executable"
+                       return
+               fi
+       done
+
+       printf '%s' "$executable"
+}