subject prefix ("PATCH" by default, but configurable via the
`--subject-prefix` option) has ` v<n>` appended to it. E.g.
`--reroll-count=4` may produce `v4-0001-add-makefile.patch`
subject prefix ("PATCH" by default, but configurable via the
`--subject-prefix` option) has ` v<n>` appended to it. E.g.
`--reroll-count=4` may produce `v4-0001-add-makefile.patch`