Uninstall packages that are conflicting with packages in BuildRequires list.

[projects/pld-builder.new.git] / PLD_Builder / install_br.py

# vi: encoding=utf-8 ts=8 sts=4 sw=4 et

import re
import string

import chroot

def install_br(r, b):
    tmpdir = "/tmp/BR." + b.b_id[0:6]
    chroot.run("install -m 700 -d %s" % tmpdir)
    cmd = "cd rpm/SPECS; TMPDIR=%s rpmbuild --nobuild %s %s 2>&1" \
                % (tmpdir, b.bconds_string(), b.spec)
    f = chroot.popen(cmd)
    rx = re.compile(r"^\s*([^\s]+) .*is needed by")
    needed = {}
    b.log_line("checking BR")
    for l in f.xreadlines():
        b.log_line("rpm: %s" % l)
        m = rx.search(l)
        if m: needed[m.group(1)] = 1
    f.close()
    chroot.run("rm -rf %s" % tmpdir)
    if len(needed) == 0:
        b.log_line("no BR needed")
        return
    nbr = ""
    for bre in needed.keys():
        nbr = nbr + " " + re.escape(bre)
    br = string.strip(nbr)
    b.log_line("updating poldek cache...")
    chroot.run("poldek --up; poldek --upa",
            user = "root",
            logfile = b.logfile)
    # check conflicts in BRed packages
    b.log_line("checking conflicting packages in BRed packages")
    f = chroot.popen("poldek --test --caplookup -Q -v --upgrade %s" % br, user = "root")
    rx = re.compile(r".*conflicts with installed ([^\s]+)")
    conflicting = {}
    for l in f.xreadlines():
        b.log_line("rpm: %s" % l)
        m = rx.search(l)
        if m: conflicting[m.group(1)] = 1
    f.close()
    if len(conflicting) == 0:
        b.log_line("no conflicts found")
    else:
        ncf = ""
        for cfe in conflicting.keys():
            ncf = ncf + " " + re.escape(cfe)
        cf = string.strip(cfe)
        b.log_line("uninstalling conflicting packages")
        res = chroot.run("poldek -Q -v --noask --erase %s" % br,
                user = "root",
                logfile = b.logfile)
        if res != 0:
            b.log_line("error: conflicting packages uninstallation failed")
    b.log_line("installing BR: %s" % br)
    res = chroot.run("poldek --caplookup -Q -v --upgrade %s" % br,
            user = "root",
            logfile = b.logfile)
    if res != 0:
        b.log_line("error: BR installation failed")
    return res