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#!/bin/bash
# Random integrity things
[ "$UID" = "" ] && UID=$(uid)
# Useful functions
UMASK=""
set_umask () {
[ "$UMASK" == "" ] && UMASK="$(umask)"
umask 002
}
restore_umask () {
umask $UMASK
}
repo_lock () { #repo_lock repo-name arch
LOCKFILE="$TMPDIR/.repolock.$1.$2"
if [ -f "$LOCKFILE" ]; then
owner="$(/usr/bin/stat -c %U $LOCKFILE)"
echo "error: db generation is already in progress (started by $owner)"
exit 1
else
/bin/touch "$LOCKFILE"
if [ ! -f "$LOCKFILE" ]; then
echo "error: could not create repo lock... something went wrong!"
fi
set_umask
fi
}
repo_unlock () { #repo_unlock repo-name arch
LOCKFILE="$TMPDIR/.repolock.$1.$2"
if [ ! -f "$LOCKFILE" ]; then
echo "error: repo lock doesn't exist... something went terribly wrong!"
else
rm -f "$LOCKFILE"
fi
restore_umask
}
# usage: _grep_pkginfo pkgfile pattern
_grep_pkginfo() {
local _ret
_ret="$(/usr/bin/bsdtar -xOqf "$1" .PKGINFO | /bin/grep -m 1 -E "$2" | /bin/sed 's|\w*\s*=\s*\(.*\)|\1|')"
echo "$_ret"
}
# Get the package base or name as fallback
getpkgbase() {
local _base
_base="$(_grep_pkginfo "$1" "^pkgbase")"
if [ -z "$_base" ]; then
getpkgname "$1"
fi
echo "$_base"
}
# Get the package name
getpkgname() {
local _name
_name="$(_grep_pkginfo "$1" "^pkgname")"
if [ -z "$_name" ]; then
echo "ERROR: Package '$1' has no pkgname in the PKGINFO. Fail!"
exit 1
fi
echo "$_name"
}
# Get the pkgver-pkgrel of this package
getpkgver() {
local _ver
_ver="$(_grep_pkginfo "$1" "^pkgver")"
if [ -z "$_ver" ]; then
echo "ERROR: Package '$1' has no pkgver in the PKGINFO. Fail!"
exit 1
fi
echo "$_ver"
}
check_pkg_arch () { #check_pkg_arch pkgfile arch
local _arch
_arch="$(_grep_pkginfo "$1" "^arch")"
if [ -z "$_arch" ]; then
echo "ERROR: Package '$1' has no arch in the PKGINFO. Fail!"
return 1
fi
if [ "$_arch" = "$2" ]; then
return 0
else
return 1
fi
}
# vim: set ts=4 sw=4 noet ft=sh:
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