Update fpga-toolchain-bin on the AUR

fpga-toolchain-bin-update.sh

#!/bin/bash

# Copyright 2020 Michael Riegert
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

UPSTREAM=https://api.github.com/repos/open-tool-forge/fpga-toolchain/releases/latest
FPGADIR= # location of the PKGBUILD aur git repo
NOTIFYOPTS="-u normal -i network-server"

cd ${FPGADIR}

# pull list of latest builds
curl -s ${UPSTREAM} > upstream.txt

# check latest builds for linux build, sometimes not included
if cat upstream.txt | grep -q 'fpga-toolchain-linux_x86_64-nightly-'; then

    # pull the latest PKGBUILD from the aur
    if !(git fetch && git reset --hard HEAD && git merge '@{u}' > /dev/null); then
        notify-send "fpga-toolchain-update-bin:
Failed to pull latest PKGBUILD $( echo ${pkgtxt} | sed 's/.*=//' )" $NOTIFYOPTS
        echo "fpga-toolchain-update-bin: Failed to pull latest PKGBUILD $( echo ${pkgtxt} | sed 's/.*=//' )"
        exit 1
    fi

    # get the old and new versions of the binaries
    pkgtxt=$(echo "pkgver=" $(cat upstream.txt | grep -o -P 'nightly-.{0,8}' | head -1 | sed 's/.*-//') | sed 's/ //')
    pkgtxt_old=$(grep -o -P 'pkgver=.{0,8}' PKGBUILD | head -1 | sed 's/ //')
    # echo ${pkgtxt}        # Debug
    # echo ${pkgtxt_old}    # Debug

    # if the versions are different, need to update the AUR
    if [ $pkgtxt != $pkgtxt_old ]; then
        sed -i 's/pkgver=.*/'"${pkgtxt}"'/' PKGBUILD

        # check to see if the updated PKGBUILD successfully compiles
        # skipping checksums as they're for the old version
        if makepkg -f --skipinteg  > /dev/null; then

            # update checksums
            updpkgsums

            # AUR stuff
            makepkg --printsrcinfo > .SRCINFO
            git add PKGBUILD .SRCINFO
            git commit -m "Update nightly build"
            git push

            # notify me of success or failure
            notify-send "fpga-toolchain-update-bin:
Updated PKGBUILD with newest version $( echo ${pkgtxt} | sed 's/.*=//' )" $NOTIFYOPTS
            echo "fpga-toolchain-update-bin: Updated PKGBUILD with newest version $( echo ${pkgtxt} | sed 's/.*=//' )"

        else
            notify-send "fpga-toolchain-update-bin:
Failed to update PKGBUILD with newest version $( echo ${pkgtxt} | sed 's/.*=//' )" $NOTIFYOPTS
            echo "fpga-toolchain-update-bin: Failed to update PKGBUILD with newest version $( echo ${pkgtxt} | sed 's/.*=//' )"
        fi
    else
        notify-send "fpga-toolchain-update-bin:
No update needed" $NOTIFYOPTS
        echo "fpga-toolchain-update-bin: No update needed"
    fi
else
    notify-send "fpga-toolchain-update-bin:
No Linux build included" $NOTIFYOPTS
    echo "fpga-toolchain-update-bin: No Linux build included"
fi