Merge branch 'js/prep-symlink-windows' into js/symlink-windows

* js/prep-symlink-windows: trim_last_path_component(): avoid hard-coding the directory separator strbuf_readlink(): support link targets that exceed 2*PATH_MAX strbuf_readlink(): avoid calling `readlink()` twice in corner-cases init: do parse _all_ core.* settings early mingw: do resolve symlinks in `getcwd()` t7800: work around the MSYS path conversion on Windows t6423: introduce Windows-specific handling for symlinking to /dev/null t1305: skip symlink tests that do not apply to Windows t1006: accommodate for symlink support in MSYS2 t0600: fix incomplete prerequisite for a test case t0301: another fix for Windows compatibility t0001: handle `diff --no-index` gracefully mingw: special-case `open(symlink, O_CREAT | O_EXCL)` apply: symbolic links lack a "trustable executable bit" t9700: accommodate for Windows paths