Consult this table for which script receives which environment variables:
-| Variable | `mkosi.configure` | `mkosi.sync` | `mkosi.prepare` | `mkosi.build` | `mkosi.postinst` | `mkosi.finalize` | `mkosi.clean` |
-|---------------------|:-----------------:|:------------:|:---------------:|:-------------:|:----------------:|:----------------:|:-------------:|
-| `ARCHITECTURE` | X | X | X | X | X | X | X |
-| `QEMU_ARCHITECTURE` | X | | | | | | |
-| `DISTRIBUTION` | X | X | X | X | X | X | X |
-| `RELEASE` | X | X | X | X | X | X | X |
-| `PROFILE` | X | X | X | X | X | X | X |
-| `CACHED` | | X | | | | | |
-| `CHROOT_SCRIPT` | | | X | X | X | X | |
-| `SRCDIR` | X | X | X | X | X | X | X |
-| `CHROOT_SRCDIR` | | | X | X | X | X | |
-| `BUILDDIR` | | | | X | | | |
-| `CHROOT_BUILDDIR` | | | | X | | | |
-| `DESTDIR` | | | | X | | | |
-| `CHROOT_DESTDIR` | | | | X | | | |
-| `OUTPUTDIR` | | | | X | X | X | X |
-| `CHROOT_OUTPUTDIR` | | | | X | X | X | |
-| `BUILDROOT` | | | X | X | X | X | |
-| `PACKAGEDIR` | | | x | x | x | x | |
-| `ARTIFACTDIR` | | | x | x | x | x | |
-| `WITH_DOCS` | | | X | X | | | |
-| `WITH_TESTS` | | | X | X | | | |
-| `WITH_NETWORK` | | | X | X | x | x | |
-| `SOURCE_DATE_EPOCH` | | | X | X | X | X | X |
-| `MKOSI_UID` | X | X | X | X | X | X | X |
-| `MKOSI_GID` | X | X | X | X | X | X | X |
-| `MKOSI_CONFIG` | | X | X | X | X | X | X |
+| Variable | `configure` | `sync` | `prepare` | `build` | `postinst` | `finalize` | `clean` |
+|---------------------|:-----------:|:------:|:---------:|:-------:|:----------:|:----------:|:-------:|
+| `ARCHITECTURE` | X | X | X | X | X | X | X |
+| `QEMU_ARCHITECTURE` | X | | | | | | |
+| `DISTRIBUTION` | X | X | X | X | X | X | X |
+| `RELEASE` | X | X | X | X | X | X | X |
+| `PROFILE` | X | X | X | X | X | X | X |
+| `CACHED` | | X | | | | | |
+| `CHROOT_SCRIPT` | | | X | X | X | X | |
+| `SRCDIR` | X | X | X | X | X | X | X |
+| `CHROOT_SRCDIR` | | | X | X | X | X | |
+| `BUILDDIR` | | | | X | | | |
+| `CHROOT_BUILDDIR` | | | | X | | | |
+| `DESTDIR` | | | | X | | | |
+| `CHROOT_DESTDIR` | | | | X | | | |
+| `OUTPUTDIR` | | | | X | X | X | X |
+| `CHROOT_OUTPUTDIR` | | | | X | X | X | |
+| `BUILDROOT` | | | X | X | X | X | |
+| `PACKAGEDIR` | | | x | x | x | x | |
+| `ARTIFACTDIR` | | | x | x | x | x | |
+| `WITH_DOCS` | | | X | X | | | |
+| `WITH_TESTS` | | | X | X | | | |
+| `WITH_NETWORK` | | | X | X | x | x | |
+| `SOURCE_DATE_EPOCH` | | | X | X | X | X | X |
+| `MKOSI_UID` | X | X | X | X | X | X | X |
+| `MKOSI_GID` | X | X | X | X | X | X | X |
+| `MKOSI_CONFIG` | | X | X | X | X | X | X |
Additionally, when a script is executed, a few scripts are made
available via `$PATH` to simplify common usecases.