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#!/bin/bash
# Usage : parse_pkgbuilds.sh arch <pkgbuilds_dir1,dir2,...>
# Example : parse_pkgbuilds.sh i686 /var/abs/core /var/abs/extra
exit() { return; }
splitpkg_overrides=('depends' 'optdepends' 'provides' 'conflicts')
variables=('pkgname' 'pkgbase' 'epoch' 'pkgver' 'pkgrel' 'makedepends' 'arch' "${splitpkg_overrides[@]}")
readonly -a variables splitpkg_overrides
backup_package_variables() {
for var in "${splitpkg_overrides[@]}"; do
indirect="${var}_backup"
eval "${indirect}=(\"\${$var[@]}\")"
done
}
restore_package_variables() {
for var in "${splitpkg_overrides[@]}"; do
indirect="${var}_backup"
if [ -n "${!indirect}" ]; then
eval "${var}=(\"\${$indirect[@]}\")"
else
unset "${var}"
fi
done
}
print_info() {
echo -e "%NAME%\n$pkgname\n"
if [ -n "$epoch" ]; then
echo -e "%VERSION%\n$epoch:$pkgver-$pkgrel\n"
else
echo -e "%VERSION%\n$pkgver-$pkgrel\n"
fi
echo -e "%PATH%\n$dir\n"
if [ -n "$pkgbase" ]; then
echo -e "%BASE%\n$pkgbase\n"
fi
if [ -n "$arch" ]; then
echo "%ARCH%"
for i in "${arch[@]}"; do echo "$i"; done
echo ""
fi
if [ -n "$depends" ]; then
echo "%DEPENDS%"
for i in "${depends[@]}"; do
echo "$i"
done
echo ""
fi
if [ -n "$makedepends" ]; then
echo "%MAKEDEPENDS%"
for i in "${makedepends[@]}"; do
echo "$i"
done
echo ""
fi
if [ -n "$conflicts" ]; then
echo "%CONFLICTS%"
for i in "${conflicts[@]}"; do echo "$i"; done
echo ""
fi
if [ -n "$provides" ]; then
echo "%PROVIDES%"
for i in "${provides[@]}"; do echo "$i"; done
echo ""
fi
}
source_pkgbuild() {
ret=0
dir=$1
pkgbuild=$dir/PKGBUILD
for var in "${variables[@]}"; do
unset "${var}"
done
source "$pkgbuild" &>/dev/null || ret=$?
# ensure $pkgname and $pkgver variables were found
if [ $ret -ne 0 -o -z "$pkgname" -o -z "$pkgver" ]; then
echo -e "%INVALID%\n$pkgbuild\n"
return 1
fi
if [ "${#pkgname[@]}" -gt "1" ]; then
pkgbase=${pkgbase:-${pkgname[0]}}
for pkg in "${pkgname[@]}"; do
if [ "$(type -t "package_${pkg}")" != "function" ]; then
echo -e "%INVALID%\n$pkgbuild\n"
return 1
else
backup_package_variables
pkgname=$pkg
while IFS= read -r line; do
var=${line%%=*}
var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
for realvar in "${variables[@]}"; do
if [ "$var" == "$realvar" ]; then
eval $line
break
fi
done
done < <(type "package_${pkg}")
print_info
restore_package_variables
fi
done
else
echo
print_info
fi
return 0
}
find_pkgbuilds() {
#Skip over some dirs
local d="${1##*/}"
if [ "$d" = "CVS" -o "$d" = ".svn" ]; then
return
fi
if [ -f "$1/PKGBUILD" ]; then
source_pkgbuild "$1"
return
fi
empty=1
for dir in "$1"/*; do
if [ -d "$dir" ]; then
find_pkgbuilds "$dir"
unset empty
fi
done
if [ -n "$empty" ]; then
echo -e "%MISSING%\n$1\n"
fi
}
if [ -z "$1" -o -z "$2" ]; then
exit 1
fi
CARCH=$1
shift
for dir in "$@"; do
find_pkgbuilds "$dir"
done
exit 0
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