Source string
- See if the previous extension is '.tar' and if so, add that, so we see 'tar.gz' or 'tar.bz2' instead of just 'gz'.
Used at the following places
- backdrop: 1.25.1 (1), 1.26.0 (1), 1.26.3 (1), 1.26.2 (1), 1.27.0 (1), 1.27.1 (1), 1.27.2 (1), 1.28.0 (1), 1.28.1 (1), 1.27.3 (1), 1.28.2 (1), 1.28.3 (1), 1.29.0 (1), 1.29.1 (1), 1.28.4 (1), 1.29.2 (1)