And if I strace postgres service I get
[pid 6184]
open("/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23/lib/locale/locale-archive",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 6184]
open("/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23/share/locale/locale.alias",
O_RDONLY|O_CLOEXEC) = 3
[pid 6184] fstat(3, {st_mode=S_IFREG|0444, st_size=2997, ...}) = 0
[pid 6184] read(3, "# Locale name alias data base.\n#"..., 4096) = 2997
[pid 6184] read(3, "", 4096) = 0
[pid 6184] close(3) = 0
[pid 6184]
open("/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23/lib/locale/en_US.UTF-8/LC_COLLATE",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 6184]
open("/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23/lib/locale/en_US.utf8/LC_COLLATE",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 6184]
open("/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23/lib/locale/en_US/LC_COLLATE",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 6184]
open("/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23/lib/locale/en.UTF-8/LC_COLLATE",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 6184]
open("/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23/lib/locale/en.utf8/LC_COLLATE",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 6184]
open("/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23/lib/locale/en/LC_COLLATE",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
And indeed those don't exist.
/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23 does exist. There's a
share/locale in there but no lib/locale .
