#!/bin/sh
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2020-08-23 23:30:31 +0100 (Sun, 23 Aug 2020)
#
# https://github.com/harisekhon/bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/harisekhon
#
# Used on Alpine so needs to be /bin/sh
set +eu #o pipefail
if [ " ${ SHELL ##*/ } " = bash ] ; then
# shellcheck disable=SC2039
set -o pipefail
fi
[ -n " ${ DEBUG :- } " ] && set -x
# used in client code
# shellcheck disable=SC2034
package_args_description = "Takes a list of packages as arguments or via stdin, and for any arguments that are plaintext files, reads the packages from those given files (one package per line)"
packages = ""
_process_package_args( ) {
for arg; do
if [ -f " $arg " ] && file " $arg " | grep -q ASCII; then
echo " adding packages from file: $arg " >& 2
packages = " $packages $( sed 's/#.*//; s/^[[:space:]]*//; s/[[:space:]]*$//; /^[[:space:]]*$/d; /^[^[:alnum:]]/d' " $arg " ) "
echo >& 2
else
packages = " $packages $arg "
fi
done
# Homebrew tap package lists are in format "tap package" and those lines should not be split
echo " $packages " |
if [ -n " ${ HOMEBREW_PACKAGES_TAP :- } " ] ; then
cat
else
# filter out commands in scripts which have spaces between tokens like 'cat <<END' or 'brew install'
# get rid of EOF / END type heredocs endings, using perl because Mac's sed has weak regex
# /^[[:upper:]]{2,3}$/d'
tr ' ' '\n' |
sed 's/^[[:space:]]*//; s/[[:space:]]*$//' |
#perl -p -e 's/^[[:upper:]]{3}$//' |
#sed '/[^[:space:]][[:space:]][^[:space:]]/d' |
sort -u || :
fi |
sed ' s/^[ [ :space:] ] *//;
s/[ [ :space:] ] *$//;
/^[ [ :space:] ] *$/d' || :
}
process_package_args( ) {
if [ -n " ${ * :- } " ] ; then
_process_package_args " $@ "
else
# shellcheck disable=SC2046
_process_package_args " $( cat) "
fi
}
installed_apk( ) {
apk info 2>/dev/null
}
installed_debs( ) {
dpkg-query -W -f '${db:Status-Abbrev}\t${binary:Package}\n' |
awk '/^i/{print $2}' |
sed 's/:.*$//' |
sort -u || :
}
installed_rpms( ) {
rpm -qa --queryformat '%{RPMTAG_NAME}\n'
}
rpms_filter_provided( ) {
while read -r rpm; do
# accounts for vim being provided by vim-enhanced, so we don't try to install the metapackage again and again
rpm -q --whatprovides " $rpm " >/dev/null 2>& 1 &&
echo " $rpm "
done
}
rpms_filter_not_provided( ) {
while read -r rpm; do
# accounts for vim being provided by vim-enhanced, so we don't try to install the metapackage again and again
rpm -q --whatprovides " $rpm " >/dev/null 2>& 1 ||
echo " $rpm "
done
}