167 lines
4.2 KiB
Bash
Executable File
167 lines
4.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# list_apps_in_pkg
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#
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###
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### settings
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###
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set -e # exit on any uncaught error
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set +o histexpand # don't expand history expressions
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shopt -s nocasematch # case-insensitive regular expressions
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###
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### global variables
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###
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opt_lax=''
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opt_pkg=''
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pkgdir=''
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# prefer GNU xargs
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xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
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###
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### functions
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###
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warn () {
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local message="$@"
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message="${message//\\t/$'\011'}"
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message="${message//\\n/$'\012'}"
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message="${message%"${message##*[![:space:]]}"}"
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printf "%s\n" "$message" 1>&2
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}
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die () {
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warn "$@"
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exit 1
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}
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app_source_1 () {
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/usr/bin/find "$pkgdir" -name PackageInfo -print0 | \
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"$xargs" -0 /usr/bin/perl -0777 -ne \
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'while (m{<pkg-info[^\n]*install-location="/Applications".*?path\s*=\s*"([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
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}
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app_source_2 () {
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/usr/bin/find "$pkgdir" -name PackageInfo -print0 | \
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"$xargs" -0 /usr/bin/perl -0777 -ne \
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'while (m{<pkg-info[^\n]*install-location="/".*?path\s*=\s*"./Applications/([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
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}
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app_source_3 () {
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/usr/bin/find "$pkgdir" -type d -name '*.app' | \
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perl -pe 's{\A.*/}{}';
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}
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app_source_4 () {
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/usr/bin/find "$pkgdir" -name PackageInfo -print0 | \
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"$xargs" -0 /usr/bin/perl -0777 -ne \
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'while (m{path\s*=\s*"([^"]+\.app)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
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}
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app_source_5 () {
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/usr/bin/find "$pkgdir" -name Archive.pax.gz -print0 | \
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"$xargs" -0 -n1 -I{} /bin/bash -c \
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"/usr/bin/gunzip -c '{}' | /bin/pax | /usr/bin/egrep '\.app'" | \
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/usr/bin/perl -pe 's{\A.*/([^/]+\.app).*\Z}{$1}';
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}
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merge_sources () {
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/usr/bin/sort | /usr/bin/uniq
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}
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mark_up_sources () {
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/usr/bin/perl -pe 's{\n}{\000}sg' | \
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"$xargs" -0 -I{} -n1 /bin/bash -c \
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'printf "{}"; /bin/test -n "$(/usr/bin/find /Applications -type d -maxdepth 3 -name "{}" -print0; /usr/bin/find ~/Applications -type d -maxdepth 3 -name "{}")" && printf " (+)"; printf "\n"'
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}
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process_args () {
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local arg
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if [[ "$#" -eq 0 ]]; then
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die "ERROR: A file argument is required"
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else
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opt_pkg="${!#}" # last arg
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fi
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for arg in "$@"; do
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if [[ $arg =~ ^-+h(elp)?$ ]]; then
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printf "list_apps_in_pkg [ -lax ] <file.pkg>
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Given a package file, extract a list of candidate App names from
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inside the pkg, which may be useful for naming a Cask.
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The given package file need not be installed.
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If an App of the listed name is already installed in /Applications
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or ~/Applications, it will be followed by a plus symbol '(+)' in
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the output. This can be verified via 'ls' or the Finder.
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Arguments
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-lax Be less selective in looking for App names. Generate
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more, but less accurate, guesses.
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Bugs: This script is imperfect.
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- It does not fully parse PackageInfo files
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- An App can be hidden within a nested archive and not found
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- Some pkg files simply don't contain any Apps
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See CONTRIBUTING.md and 'man pkgutil' for more information.
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"
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exit
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elif [[ $arg =~ ^-+lax$ ]]; then
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opt_lax='true'
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elif [[ "$arg" = "$opt_pkg" ]]; then
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true
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else
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die "ERROR: Unknown argument '$arg'"
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fi
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done
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if [[ -h "$opt_pkg" ]]; then
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opt_pkg="$(/usr/bin/readlink "$opt_pkg")"
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fi
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if ! [[ -e "$opt_pkg" ]]; then
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die "ERROR: No such pkg file: '$opt_pkg'"
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fi
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}
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###
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### main
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###
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_list_apps_in_pkg () {
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if [[ -d "$opt_pkg" ]]; then
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pkgdir="$opt_pkg"
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else
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local tmpdir="$(usr/bin/mktemp -d -t list_ids_in_pkg)"
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trap "/bin/rm -rf -- '$tmpdir'" EXIT
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pkgdir="$tmpdir/unpack"
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/usr/sbin/pkgutil --expand "$opt_pkg" "$tmpdir/unpack" "$pkgdir"
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fi
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{
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# strings that look like App names (Something.app)
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app_source_1;
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app_source_2;
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app_source_3;
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if [[ -n "$opt_lax" ]]; then
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app_source_4;
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app_source_5;
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fi
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} | \
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merge_sources | \
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mark_up_sources
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}
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process_args "${@}"
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# dispatch main
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_list_apps_in_pkg
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#
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