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list_ids_in_pkg
executable file
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list_ids_in_pkg
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#!/bin/bash
#
# list_ids_in_pkg
#
###
### settings
###
set -e # exit on any uncaught error
set +o histexpand # don't expand history expressions
shopt -s nocasematch # case-insensitive regular expressions
###
### global variables
###
pkgdir=''
# prefer GNU xargs
xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
###
### functions
###
bundle_id_source_1 () {
/usr/bin/find "$pkgdir" -name PackageInfo -print0 | \
"$xargs" -0 /usr/bin/perl -0777 -ne \
'while (m{<pkg-info.*?\sid(?:entifier)?\s*=\s*"([^"]*?)"}sg) { print "$1\n" }'
}
bundle_id_source_2 () {
/usr/bin/find "$pkgdir" -name Info.plist -print0 | \
"$xargs" -0 -I {} /usr/libexec/PlistBuddy {} -c 'Print :CFBundleIdentifier'
}
merge_sources () {
/usr/bin/sort | /usr/bin/uniq
}
clean_sources () {
/usr/bin/egrep -v '^com\.apple\.' | \
/usr/bin/egrep -v 'sparkle\.finish-installation$'
}
mark_up_sources () {
/usr/bin/perl -pe 's{\n}{\000}sg' | \
"$xargs" -0 -I{} -n1 /bin/bash -c \
'printf "{}"; /usr/sbin/pkgutil --pkg-info "{}" >/dev/null 2>&1 && printf " (+)"; printf "\n"'
}
###
### main
###
_list_ids_in_pkg () {
if [[ -d "$1" ]]; then
pkgdir="$1"
if [[ -h "$pkgdir" ]]; then
pkgdir="$(/usr/bin/readlink "$pkgdir")"
fi
else
local tmpdir="$(/usr/bin/mktemp -d -t list_ids_in_pkg)"
trap "/bin/rm -rf -- '$tmpdir'" EXIT
pkgdir="$tmpdir/unpack"
/usr/sbin/pkgutil --expand "$1" "$tmpdir/unpack" "$pkgdir"
fi
{
# emit strings that look like bundle ids
bundle_id_source_1;
bundle_id_source_2;
} | \
merge_sources | \
clean_sources | \
mark_up_sources
}
# process args
if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then
printf "list_ids_in_pkg <file.pkg>
Given a package file, extract a list of candidate Package IDs
which may be useful in a Cask uninstall stanza, eg
uninstall pkgutil: 'package.id.goes.here'
The given package file need not be installed.
The output of this script should be overly inclusive -- not
every candidate package id in the output will be needed at
uninstall time.
Package IDs designated by Apple or common development frameworks
will be excluded from the output.
If a package id is already installed, it will be followed by
a plus symbol '(+)' in the output. This can be verified via
the command
/usr/sbin/pkgutil --pkg-info 'package.id.goes.here'
See CONTRIBUTING.md and 'man pkgutil' for more information.
"
exit
fi
# dispatch main
_list_ids_in_pkg "${@}"
#