freebsd-ports/Mk/Scripts/functions.sh
2015-01-08 04:04:55 +00:00

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#!/bin/sh
# $FreeBSD$
# This file for common functions used for port scripts.
#
# MAINTAINER: portmgr@FreeBSD.org
# Expand TMPPLIST to absolute paths, splitting files and dirs into separate
# descriptors.
# Input:
# fd:0 - plist to parse
# Required params:
# PREFIX
# parse_comments: Whether to parse and include commented files.
# Output:
# fd:1 - list of files
# fd:2 - stderr
# fd:3 - list of directories
parse_plist() {
local cwd cwd_save commented_cwd comment line newcwd parse_comments \
PREFIX
PREFIX="${1}"
parse_comments="${2:-1}"
cwd=${PREFIX}
cwd_save=
commented_cwd=
while read line; do
# Handle deactivated OPTIONS. Treat "@comment file" as being in
# the plist so it does not show up as an orphan. PLIST_SUB uses
# a @comment to deactive files. XXX: It would be better to
# make all ports use @ignore instead of @comment.
if [ ${parse_comments} -eq 1 -a -z "${line%%@comment *}" ]; then
line="${line##*@comment }"
# Remove @comment so it can be parsed as a file,
# but later prepend it again to create a list of
# all files commented and uncommented.
comment="@comment "
# Only consider comment @cwd for commented lines
if [ -n "${commented_cwd}" ]; then
[ -z "${cwd_save}" ] && cwd_save=${cwd}
cwd=${commented_cwd}
fi
else
comment=
# On first uncommented line, forget about commented
# @cwd
if [ -n "${cwd_save}" ]; then
cwd=${cwd_save}
cwd_save=
commented_cwd=
fi
fi
# Strip (owner,group,perm) from keywords
line="$(printf %s "$line" \
| sed -Ee 's/^@\([^)]*\)[[:space:]]+//' \
-e 's/^(@[[:alpha:]]+)\([^)]*\)[[:space:]]+/\1 /')"
case $line in
@dir*|'@unexec rmdir'*|'@unexec /bin/rmdir'*)
line="$(printf %s "$line" \
| sed -Ee 's/\|\|.*//;s|[[:space:]]+[0-9]*[[:space:]]*>[&]?[[:space:]]*[^[:space:]]+||g' \
-e "/^@unexec[[:space:]]+(\/bin\/)?rmdir( -p)?/s|([^%])%D([^%])|\1${cwd}\2|g" \
-e '/^@unexec[[:space:]]+(\/bin\/)?rmdir( -p)?/s|"(.*)"[[:space:]]*|\1|g' \
-e 's/@unexec[[:space:]]+(\/bin\/)?rmdir( -p)?[[:space:]]+//' \
-e 's/@dir(rm|rmtry)?[[:space:]]+//' \
-e 's/[[:space:]]+$//')"
case "$line" in
/*) echo >&3 "${comment}${line%/}" ;;
*) echo >&3 "${comment}${cwd}/${line%/}" ;;
esac
;;
# Handle [file] Keywords
@info\ *|@shell\ *)
set -- $line
shift
case "$@" in
/*) echo "${comment}$@" ;;
*) echo "${comment}${cwd}/$@" ;;
esac
;;
@sample\ *)
set -- $line
shift
# Ignore the actual file if it is in stagedir
case "$@" in
/*)
echo "@comment ${@%.sample}"
echo "${comment}$@"
;;
*)
echo "@comment ${cwd}/${@%.sample}"
echo "${comment}${cwd}/$@"
;;
esac
;;
# Handle [dir] Keywords
@fc\ *|@fcfontsdir\ *|@fontsdir\ *)
set -- $line
shift
case "$@" in
/*)
echo >&3 "${comment}$@"
;;
*)
echo >&3 "${comment}${cwd}/$@"
;;
esac
;;
# order matters here - we must check @cwd first because
# otherwise the @cwd* would also match it first, shadowing the
# @cwd) line.
@cwd|@cd)
# Don't actually reset cwd for commented @cwd
if [ -n "${comment}" ]; then
commented_cwd=${PREFIX}
else
cwd=${PREFIX}
fi
;;
@cwd*|@cd*)
set -- $line
newcwd=$2
# Don't set cwd=/ as it causes // in plist and
# won't match later.
[ "${newcwd}" = "/" ] && newcwd=
# Don't actually reset cwd for commented @cwd
if [ -n "${comment}" ]; then
commented_cwd=${newcwd}
else
cwd=${newcwd}
fi
unset newcwd
;;
@*) ;;
/*) echo "${comment}${line}" ;;
*) echo "${comment}${cwd}/${line}" ;;
esac
done
}