fdroidserver/fd-commit

#!/bin/bash

# Commits updates to apps, allowing you to edit the commit messages

commands=()

while read line; do
    if [[ "$line" == *M*metadata/*.txt ]]; then
        file=${line##* }

        while read l; do
            [[ "$l" == "Auto Name:"* ]] && name=${l##*:}
        done < "$file"

        id=${file##*/}
        id=${id%.txt*}
        [ -d metadata/$id ] && extra=metadata/$id
        [ -n "$name" ] && id="$name ($id)"

        newbuild=0
        while read l; do
            if [[ "$l" == "+Build:"* ]]; then
                newbuild=1
                build=${l#*:}
                version=${build%%,*}
                build=${build#*,}
                vercode=${build%%,*}
            fi
        done < <(git diff HEAD -- "$file")

        if [ $newbuild -eq 0 ]
		then
			message="$id:"
		else
			message="Update $id to $version ($vercode)"
		fi

        commands+=("git commit -m '$message' -e -v -- $file $extra")
    fi
done < <(git status --porcelain)

for cmd in "${commands[@]}"; do
    eval "$cmd"
done