$ pacaur -Ss mattermost
aur/mattermost-desktop 3.7.1-1 (35, 2.98)
    Mattermost Desktop application for Linux (Beta)
aur/mattermost 4.6.1-1 (22, 1.46) [installed]
    Open source Slack-alternative in Golang and React
aur/purple-mattermost-git v1.1.r0.g30cfb74-1 (4, 0.48) [installed: v1.1.r79.g90dc0ea-1]
    A purple-based (Pidgin) plugin for Mattermost.
aur/mattermosti18n-git r23.7e95378-2 (2, 0.44)
    A tool for Mattermost used to convert translations between GNU gettext .po
    and JSON files
aur/python-mattermostdriver 2.1.1-2 (1, 0.42)
    A Python Mattermost Driver
aur/mattermost-desktop-bin 4.0.0-1 (6, 0.14)
    Mattermost Desktop (Beta) for Linux (binary)
aur/matterhorn 40600.1.0-1 (2, 0.05)
    A terminal-based chat client for MatterMost
aur/mattermost-git 4.4.0.rc2.r9.gae8fd3733-2 (2, 0.04)
    Open source Slack-alternative in Golang and React
aur/matterhorn-git 30802.1.0-2 (1, 0.01)
    A terminal-based chat client for MatterMost
aur/mattermost-push-proxy 3.5-1 (0, 0.00)
    Mattermost Push Notifications Service
aur/mattersend 2.0-2 (1, 0.00)
    Library and CLI utility to send messages to mattermost's incoming webhooks
aur/purple-mattermost-spectrum2 v1.2.r1.daf5d6b-1 (0, 0.00)
    A purple-based (Pidgin) plugin for Mattermost. (spectrum2 work)
02:14 roman in /home/roman/.config/nvim
$ pacaur -S mattermost-git
:: Package mattermost-git not found in repositories, trying AUR...
:: resolving dependencies...
:: looking for inter-conflicts...
:: mattermost-git and mattermost are in conflict (mattermost). Remove mattermost? [y/N] y
:: mattermost-git-latest has been flagged out of date on Tue 13 Feb 2018 06:00:13 PM EST

AUR Packages  (1) mattermost-git-latest

:: Proceed with installation? [Y/n] y
:: Retrieving package(s)...
:: mattermost-git build files are up-to-date -- skipping
[sudo] password for roman:
:: Checking mattermost-git integrity...
==> Making package: mattermost-git 4.4.0.rc2.r9.gae8fd3733-2 (Sun Feb 18 02:15:44 EST 2018)
==> Retrieving sources...
  -> Updating mattermost-server git repo...
Fetching origin
  -> Updating mattermost-webapp git repo...
Fetching origin
  -> Found mattermost.service
  -> Found mattermost.sh
  -> Found mattermost.sysusers
  -> Found mattermost.tmpfiles
==> Validating source files with sha512sums...
    mattermost-server ... Skipped
    mattermost-webapp ... Skipped
    mattermost.service ... Passed
    mattermost.sh ... Passed
    mattermost.sysusers ... Passed
    mattermost.tmpfiles ... Passed
:: Building mattermost-git package(s)...
==> Making package: mattermost-git 4.7.0.rc2.r19.g30197584d-1 (Sun Feb 18 02:15:49 EST 2018)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> WARNING: Using existing $srcdir/ tree
==> Starting pkgver()...
==> Removing existing $pkgdir/ directory...
==> Starting build()...
Cleaning
rm -Rf dist
go clean  -i ./...
cd ../mattermost-webapp && make clean
make[1]: Entering directory '/home/roman/.cache/pacaur/mattermost-git/src/mattermost-webapp'
Cleaning Webapp
yarn cache clean
yarn cache v1.3.2
success Cleared cache.
Done in 0.03s.
rm -rf dist
rm -rf node_modules
rm -f .yarninstall
make[1]: Leaving directory '/home/roman/.cache/pacaur/mattermost-git/src/mattermost-webapp'
find . -type d -name data -not -path './vendor/*' | xargs rm -r
rm: missing operand
Try 'rm --help' for more information.
make: *** [Makefile:477: clean] Error 123
==> ERROR: A failure occurred in build().
    Aborting...
:: failed to build mattermost-git package(s)
02:15 roman in /home/roman/.config/nvim
$
02:15 roman in /home/roman/.config/nvim
$ pacaur -S mattermost-git
:: Package mattermost-git not found in repositories, trying AUR...
:: resolving dependencies...
:: looking for inter-conflicts...
:: mattermost-git and mattermost are in conflict (mattermost). Remove mattermost? [y/N] y
:: mattermost-git-latest has been flagged out of date on Tue 13 Feb 2018 06:00:13 PM EST

AUR Packages  (1) mattermost-git-latest

:: Proceed with installation? [Y/n] y
:: Retrieving package(s)...
:: mattermost-git build files are up-to-date -- skipping
[sudo] password for roman:
:: Checking mattermost-git integrity...
==> Making package: mattermost-git 4.4.0.rc2.r9.gae8fd3733-2 (Sun Feb 18 02:30:10 EST 2018)
==> Retrieving sources...
  -> Updating mattermost-server git repo...
Fetching origin
  -> Updating mattermost-webapp git repo...
Fetching origin
  -> Found mattermost.service
  -> Found mattermost.sh
  -> Found mattermost.sysusers
  -> Found mattermost.tmpfiles
==> Validating source files with sha512sums...
    mattermost-server ... Skipped
    mattermost-webapp ... Skipped
    mattermost.service ... Passed
    mattermost.sh ... Passed
    mattermost.sysusers ... Passed
    mattermost.tmpfiles ... Passed
:: Building mattermost-git package(s)...
==> Making package: mattermost-git 4.7.0.rc2.r19.g30197584d-1 (Sun Feb 18 02:30:14 EST 2018)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> WARNING: Using existing $srcdir/ tree
==> Starting pkgver()...
==> Removing existing $pkgdir/ directory...
==> Starting build()...
Cleaning
rm -Rf dist
go clean  -i ./...
cd ../mattermost-webapp && make clean
make[1]: Entering directory '/home/roman/.cache/pacaur/mattermost-git/src/mattermost-webapp'
Cleaning Webapp
yarn cache clean
yarn cache v1.3.2
success Cleared cache.
Done in 0.03s.
rm -rf dist
rm -rf node_modules
rm -f .yarninstall
make[1]: Leaving directory '/home/roman/.cache/pacaur/mattermost-git/src/mattermost-webapp'
find . -type d -name data -not -path './vendor/*' | xargs rm -r
rm: missing operand
Try 'rm --help' for more information.
make: *** [Makefile:477: clean] Error 123
==> ERROR: A failure occurred in build().
    Aborting...
:: failed to build mattermost-git package(s)
02:30 roman in /home/roman/.config/nvim
$ ^C
02:30 roman in /home/roman/.config/nvim
$ ^C
02:30 roman in /home/roman/.config/nvim
$ ^C
02:30 roman in /home/roman/.config/nvim
$ pacaur --edit mattermost-git
:: mattermost-git PKGBUILD viewed
02:38 roman in /home/roman/.config/nvim
$ pacman -Ss mattermost
[sudo] password for roman:
Sorry, try again.
[sudo] password for roman:
sudo: 1 incorrect password attempt
02:39 roman in /home/roman/.config/nvim
$ ^C
02:39 roman in /home/roman/.config/nvim
$
02:39 roman in /home/roman/.config/nvim
$