Installing the new 1.3.1 dev package results in the removal of the old one:
The following packages will be REMOVED:
libzstd-dev
The following NEW packages will be installed:
libzstd1-dev
RELEASE UPGRADE TO ARTFUL
a) starting with old 0.5.x dev package:
libzstd-dev 0.5.1-1
libzstd0 0.5.1-1
libzstd1 1.3.1+dfsg-1~ubuntu0.16.04.1~ppa3
zstd 1.3.1+dfsg-1~ubuntu0.16.04.1~ppa3
You end up with:
libzstd-dev 1.3.1+dfsg-1ubuntu0.1~ppa2
libzstd1 1.3.1+dfsg-1ubuntu0.1~ppa2
zstd 1.3.1+dfsg-1ubuntu0.1~ppa2
b) starting with new dev package:
libzstd0 0.5.1-1
libzstd1 1.3.1+dfsg-1~ubuntu0.16.04.1~ppa3
libzstd1-dev 1.3.1+dfsg-1~ubuntu0.16.04.1~ppa3
zstd 1.3.1+dfsg-1~ubuntu0.16.04.1~ppa3
You end up with:
libzstd-dev 1.3.1+dfsg-1ubuntu0.1~ppa2
libzstd1 1.3.1+dfsg-1ubuntu0.1~ppa2
libzstd1-dev 1.3.1+dfsg-1ubuntu0.1~ppa2
zstd 1.3.1+dfsg-1ubuntu0.1~ppa2
I have some good results. Xenial first, and artful in a subsequent but comment.
XENIAL (details in the attached zstd-xenial.txt file):
starting with:
libzstd-dev 0.5.1-1
libzstd0 0.5.1-1
zstd 0.5.1-1
results in: 1~ubuntu0. 16.04.1~ ppa3 1~ubuntu0. 16.04.1~ ppa3
libzstd-dev 0.5.1-1
libzstd0 0.5.1-1
libzstd1 1.3.1+dfsg-
zstd 1.3.1+dfsg-
Installing the new 1.3.1 dev package results in the removal of the old one:
The following packages will be REMOVED:
libzstd-dev
The following NEW packages will be installed:
libzstd1-dev
which gives you: 1~ubuntu0. 16.04.1~ ppa3 1~ubuntu0. 16.04.1~ ppa3 1~ubuntu0. 16.04.1~ ppa3
libzstd0 0.5.1-1
libzstd1 1.3.1+dfsg-
libzstd1-dev 1.3.1+dfsg-
zstd 1.3.1+dfsg-
RELEASE UPGRADE TO ARTFUL 1~ubuntu0. 16.04.1~ ppa3 1~ubuntu0. 16.04.1~ ppa3
a) starting with old 0.5.x dev package:
libzstd-dev 0.5.1-1
libzstd0 0.5.1-1
libzstd1 1.3.1+dfsg-
zstd 1.3.1+dfsg-
You end up with: 1ubuntu0. 1~ppa2 1ubuntu0. 1~ppa2 1ubuntu0. 1~ppa2
libzstd-dev 1.3.1+dfsg-
libzstd1 1.3.1+dfsg-
zstd 1.3.1+dfsg-
b) starting with new dev package: 1~ubuntu0. 16.04.1~ ppa3 1~ubuntu0. 16.04.1~ ppa3 1~ubuntu0. 16.04.1~ ppa3
libzstd0 0.5.1-1
libzstd1 1.3.1+dfsg-
libzstd1-dev 1.3.1+dfsg-
zstd 1.3.1+dfsg-
You end up with: 1ubuntu0. 1~ppa2 1ubuntu0. 1~ppa2 1ubuntu0. 1~ppa2 1ubuntu0. 1~ppa2
libzstd-dev 1.3.1+dfsg-
libzstd1 1.3.1+dfsg-
libzstd1-dev 1.3.1+dfsg-
zstd 1.3.1+dfsg-