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#!/bin/sh
# Format for entries `program,alternative_program:output_message`
# `alternative_program` and `message` are optional
check() {
fail=0
[ "${1}" = "-l" ] && { ISLIB=1; shift;} || ISLIB=0
for entry in "${@}"; do
missing=0
program_part=${entry%%:*}
program=${program_part%%,*}
alt_program=${program_part#*,}
msg=${entry#*:}
[ "${msg}" = "${entry}" ] && msg="${program} is missing"
if [ "${ISLIB}" -eq 1 ]; then
pkg-config --exists "${program}" || missing=1
elif ! command -v "${program}" > /dev/null 2>&1 &&
! command -v "${alt_program}" > /dev/null 2>&1; then
missing=1
fi
[ "${missing}" -eq 1 ] && { echo "$msg" >&2; fail=1; }
done
return "${fail}"
}
retval=0
# Programs
check \
Xorg \
dunst \
fzf \
git \
lf \
mpv \
picom \
qutebrowser \
scrot \
startx:"xorg-xinit is missing" \
sxiv,nsxiv \
vim,nvim \
zathura \
zsh,bash || retval=1
# Script dependencies
check \
brightnessctl \
pactl:"pulseaudio is missing" \
xgamma \
xinput \
xset \
xwallpaper || retval=1
# Build dependencies
check \
cc:"c compiler is missing" \
curl \
ld:"linker is missing" \
make \
tar || retval=1
# Libraries
if check pkg-config; then
check -l \
x11:"libX11 is missing" \
xft:"libXft is missing " \
xinerama:"libXinerama is missing" || retval=1
else
echo "Warning: Skipping library check since 'pkg-config' is missing" >&2
retval=1
fi
exit "${retval}"
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