# -*- mode: shell-script -*-

if [ -n "${MSYSTEM}" ]
then
    agm2()
    {
        local MINGW_DIRS="mingw32 mingw64"
        local AG_FIND=
        for dir in ${MINGW_DIRS}; do
            if type -p /${dir}/bin/ag >/dev/null; then
                AG_FIND=/${dir}/bin/ag
            fi
        done
        if ! type -p /usr/bin/git >/dev/null; then
            echo "bash: git: command not found. Please install \"git\" package."
            exit 1
        fi
        if [ -n "$AG_FIND" ]; then
            $AG_FIND --makepkg --depth 1 "$@" $(git rev-parse --show-toplevel)
        else
            echo "bash: ag: conmmand not found. Please install \"mingw-w64-i686-ag\" or \"mingw-w64-x86_64-ag\" package."
            exit 1
        fi
    }
fi

# This function defines a 'cd' replacement function capable of keeping,
# displaying and accessing history of visited directories, up to 10 entries.
# acd_func 1.0.5, 10-nov-2004
# Petar Marinov, http:/geocities.com/h2428, this is public domain
cd_func()
{
    local x2 the_new_dir adir index
    local -i cnt
    if [[ $1 ==  "--" ]]
    then
        dirs -v
        return 0
    fi
    the_new_dir=$1
    [[ -z $1 ]] && the_new_dir=$HOME
    if [[ ${the_new_dir:0:1} == '-' ]]
    then
        #
        # Extract dir N from dirs
        index=${the_new_dir:1}
        [[ -z $index ]] && index=1
        adir=$(dirs +$index)
        [[ -z $adir ]] && return 1
        the_new_dir=$adir
    fi
    #
    # '~' has to be substituted by ${HOME}
    [[ ${the_new_dir:0:1} == '~' ]] && the_new_dir="${HOME}${the_new_dir:1}"
    #
    # Now change to the new dir and add to the top of the stack
    pushd "${the_new_dir}" > /dev/null
    [[ $? -ne 0 ]] && return 1
    the_new_dir=$(pwd)
    #
    # Trim down everything beyond 11th entry
    popd -n +11 2>/dev/null 1>/dev/null
    #
    # Remove any other occurence of this dir, skipping the top of the stack
    for ((cnt=1; cnt <= 10; cnt++))
    do
        x2=$(dirs +${cnt} 2>/dev/null)
        [[ $? -ne 0 ]] && return 0
        [[ ${x2:0:1} == '~' ]] && x2="${HOME}${x2:1}"
        if [[ "${x2}" == "${the_new_dir}" ]]
        then
            popd -n +$cnt 2>/dev/null 1>/dev/null
            cnt=cnt-1
        fi
    done
    return 0
}
alias cd=cd_func

settitle()
{
    echo -ne "\e]2;$@\a\e]1;$@\a";
}

# Function which adds an alias to the current shell and to
# the ~/.bash_aliases file.
add-alias()
{
    local name=$1 value="$2"
    echo alias $name=\'$value\' >>~/.bash_aliases
    eval alias $name=\'$value\'
    alias $name
}

# "repeat" command.  Like:
#
#	repeat 10 echo foo
repeat()
{
    local count="$1" i;
    shift;
    for i in $(_seq 1 "$count");
    do
        eval "$@";
    done
}

# Subfunction needed by `repeat'.
_seq()
{
    local lower upper output;
    lower=$1 upper=$2;
    if [ $lower -ge $upper ]
    then
        return;
    fi
    while [ $lower -lt $upper ];
    do
        echo -n "$lower "
        lower=$(($lower + 1))
    done
    echo "$lower"
}

remove_dups() {
    local D=${2:-:} path= dir=
    while IFS= read -d$D dir
    do
        [[ $path$D =~ .*$D$dir$D.* ]] || path+="$D$dir"
    done <<< "$1$D"
    printf %s "${path#$D}"
}

prepend_roslyn_to_path() {
    if [ -d "/c/Program Files/Microsoft Visual Studio/2022/Community/MSBuild/Current/Bin/Roslyn" ]
    then
        PATH="/c/Program Files/Microsoft Visual Studio/2022/Community/MSBuild/Current/Bin/Roslyn:${PATH}"
        return 0
    fi
    if [ -d "/c/Program Files/Microsoft Visual Studio/2022/Professional/MSBuild/Current/Bin/Roslyn" ]
    then
        PATH="/c/Program Files/Microsoft Visual Studio/2022/Professional/MSBuild/Current/Bin/Roslyn:${PATH}"
        return 0
    fi
    return 1
}

prepend_opt_context_to_path() {
    if [ ! -d "${OptDirectory}/context-win64" ]
    then
        return 1
    fi
    PATH="${OptDirectory}/context-win64/tex/texmf-win64/bin:${OptDirectory}/context-win64/bin:${PATH}"
    return 0
}

set_msvc_env_x64() {
    if [ -d "/c/Program Files/Microsoft Visual Studio/2022/Professional/VC/Tools/MSVC/14.42.34433/bin/Hostx64/x64" ]
    then
        PATH="/c/Program Files/Microsoft Visual Studio/2022/Professional/VC/Tools/MSVC/14.42.34433/bin/Hostx64/x64:/c/Program Files/Microsoft Visual Studio/2022/Professional/Common7/IDE/VC/VCPackages:/c/Program Files/Microsoft Visual Studio/2022/Professional/Common7/IDE/CommonExtensions/Microsoft/TestWindow:/c/Program Files/Microsoft Visual Studio/2022/Professional/Common7/IDE/CommonExtensions/Microsoft/TeamFoundation/Team Explorer:/c/Program Files/Microsoft Visual Studio/2022/Professional/MSBuild/Current/bin/Roslyn:/c/Program Files/Microsoft Visual Studio/2022/Professional/Common7/IDE/CommonExtensions/Microsoft/FSharp/Tools:/c/Program Files/Microsoft Visual Studio/2022/Professional/Team Tools/DiagnosticsHub/Collector:/c/Program Files/Microsoft Visual Studio/2022/Professional//MSBuild/Current/Bin/amd64:/c/Program Files/Microsoft Visual Studio/2022/Professional/Common7/IDE:/c/Program Files/Microsoft Visual Studio/2022/Professional/Common7/Tools:${PATH}"
        return 0
    fi
    return 1
}