When I think about it, this package should be called "unciv-bin"
because it's downloading a precompiled binary from the upstream
releases. I'm thinking about resubmitting this package with the
new name and turning the current one into a transitional dummy
package that just depends on the new one. Then I could disown
this package and make it available for anyone who wants to make a
proper "download and compile source" package.

For those who are curious, the "pkgrel" version (e.g., the last "3" in "3.9.0-3") is set to 1 + $PATCH. This scheme will break the package ever needs redoing within a given upstream Unciv release. But it's the cleanest way I could think of to incorporate that information.

I've decided to keep maintaining this package after all, but
would gladly disown it if a more dedicated maintainer wants to
take over. I also posted the PKGBUILD update script to [1].

[1]: https://gist.github.com/refola/d05df4de … 0f654fd53d

(License note: The script I pasted into my previous comment is my own work and I hereby license it under the WTFPL version 2.)

I'm moving on from maintaining this package for personal reasons.

For anyone who wishes to adopt this package, here's the script I've been using for automating updates (i.e., change PKGBUILD to point to new version, download it, update sha256sums array, and make unciv-$pkgver-$pkgrel.src.tar.gz for upload). It should be ran from the parent directory of an "unciv" directory that contains the PKGBUILD. I'm sorry for the messy code.


#!/usr/bin/bash

echo "Flags: ($*)"
# Check that everything's okay to run this
if ! cd "$(dirname "$(readlink -f "$0")")/unciv"; then
    echo "Could not 'cd' to script's directory."
    exit 1
fi
echo "cd'd"
PKGREL=1
PATCH=
if [ "$#" = "2" ]; then
    PATCH="$2"
    ((PKGREL+=PATCH))
    set "$1"
    echo "PATCH=$PATCH"
fi
if [ "$#" != "1" ]; then
    echo "$0 newversion [patch]"
    echo "Updates the PKGBUILD to the new version, removes old downloads, and builds."
    echo "With '-' as the new version, rebuild for the old version."
    exit 1
fi
echo "enough args"
NEW="$1"
echo "NEW=$NEW"
FULL_NEW="$NEW${PATCH:+-patch$PATCH}"
echo "FULL_NEW=$FULL_NEW"
echo "PKGREL=$PKGREL"
OLD="$(grep -E "pkgver=[0-9.]+" PKGBUILD | cut -c8-)"
echo "OLD=$OLD"
OLD_PATCH="$(grep -E "_patch=[0-9.]*" PKGBUILD | cut -c8-)"
OLD_FULL="$OLD${OLD_PATCH:+-patch$OLD_PATCH}"
echo "OLD_FULL=$OLD_FULL"
if [ "$OLD_FULL" = "$NEW_FULL" ]; then
    echo "Already at version $OLD. Use '-' to keep the same version."
    exit 1
fi
echo "tested OLD vs NEW"
if [ "$NEW_FULL" = "-" ]; then
    NEW_FULL="$OLD_FULL"
fi

# Save old files, and recover new ones if previously saved.
echo "Shuffling current files as applicable..."
FILES=(Unciv.jar
       Unciv%20icon%20v3%20for%20google%20play.png
       linuxFilesForJar.zip)
for f in "${FILES[@]}"; do
    if [ -e "$f" ]; then
        mv "$f" "$f.$OLD_FULL"
    fi
    if [ -e "$f.$NEW_FULL" ]; then
        mv "$f.$NEW_FULL" "$f"
    fi
done

# Switch PKGBUILD to new version
echo "Updating version in PKGBUILD..."
sed -r "s/^pkgver=$OLD$/pkgver=$NEW/g" -i ./PKGBUILD
sed -r "s/[0-9a-f]{64}/SKIP/g" -i ./PKGBUILD
if [ -n "$PATCH" ]; then
    echo "Setting patch version $PATCH."
    sed -r "s/^#?_patch=[0-9]*/_patch=$PATCH/g" -i ./PKGBUILD
else
    echo "Setting nil patch version."
    sed -r "s/^#?_patch=[0-9]*/#_patch=/g" -i ./PKGBUILD
fi
sed -r "s/^pkgrel=[0-9.]+$/pkgrel=$PKGREL/g" -i ./PKGBUILD

# Download and update checksums for new version
echo "Getting sources..."
makepkg --nobuild
echo "Updating checksums..."
makepkg --geninteg | grep -Eo '[0-9a-f]{64}' |
    while read -r; do
        # Per https://stackoverflow.com/a/33416489, this GNU sed
        # command matches the find pattern ('SKIP') from line 0 or
        # later, uses it in an "s/find/replace/" expression (while
        # reusing the find pattern with "//"), and replaces it with
        # the replace pattern ('$REPLY').
        sed -r "0,/'SKIP'/ s//'$REPLY'/" -i ./PKGBUILD
    done

# Make source tarball to upload to the CCR
echo "Making source tarball"
makepkg --source

echo "Done! ^.^"

Note: The "Sources" list on this page is inaccurate because I use a "_patch" variable and "${_patch:+-patch$_patch}" Bash syntax in the PKGBUILD to match upstream "-patch1" versions.

I also made a script for automating PKGBUILD updates, but I want to fix some things before posting it (or see if there's a better way than a ton of sed commands to update PKGBUILD versions).…

This package has frequent upstream updates and is relatively low priority for me (updates are unlikely to have particular security implications, and I mostly play Unciv more on my phone). So I triage and this package is often a couple days/weeks out of date. If anyone wants to keep it more up-to-date, then I'll disown it so you can take over. Otherwise, enjoy the game!