99 lines
2.4 KiB
Bash
Executable file
99 lines
2.4 KiB
Bash
Executable file
#!/bin/sh
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# usage: claim-chroot ${arch} ${branch} ${pkgname}
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# This script cannot output anything except the name of the successfully
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# claimed chroot. In case of error, just exit.
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# XXX Return the string "chroot=*" and look for that in pdispatch to make
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# this more robust
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# configurable variables
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pb=/var/portbuild
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arch=$1
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shift
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. ${pb}/${arch}/portbuild.conf
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. ${pb}/${arch}/portbuild.$(hostname)
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. ${pb}/scripts/buildenv
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buildroot=${scratchdir}
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branch=$1
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shift
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buildenv ${pb} ${arch} ${branch}
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pkgname=$(basename $1 ${PKGSUFFIX})
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chrootdir=${buildroot}/${branch}/chroot
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# Perform initial sanity check
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if [ ! -z "${squid_dir}" ]; then
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/usr/local/sbin/squid -k check 2> /dev/null
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status=$?
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if [ "${status}" != "0" ]; then
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touch ${scratchdir}/.squid
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/usr/local/etc/rc.d/squid start > /dev/null &
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exit 1
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else
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rm -f ${scratchdir}/.squid
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fi
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fi
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# Check for enough disk space
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df=$(df -k ${scratchdir} | tail -1 | awk '{print $4}')
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if [ ${df} -lt 102400 ]; then
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touch ${scratchdir}/.disk
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exit 1
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else
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rm -f ${scratchdir}/.disk
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fi
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found=0
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# Look for pre-existing chroot directories that are populated and unused
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for dir in ${chrootdir}/*; do
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if [ -f ${dir}/.ready -o -f ${dir}/.dirty ]; then
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# Atomically claim the directory
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mkdir ${dir}/used 2>/dev/null || continue
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touch ${dir}/used/${pkgname}
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if [ -f ${dir}/.dirty ]; then
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${pb}/scripts/clean-chroot ${arch} ${branch} ${dir} 2 >/dev/null 2>/dev/null &
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continue
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fi
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found=1
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chroot=${dir}
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break
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fi
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done
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chrootnum=$$
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# If we didn't find a pre-existing directory, create and claim a new one.
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while [ ${found} != 1 ]; do
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if [ "${use_md_swap}" = "1" ]; then
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unit=$(mdconfig -a -t swap -s ${md_size})
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newfs /dev/${unit} > /dev/null
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chrootnum=$(echo ${unit} | sed 's,md,,')
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chroot=${chrootdir}/${chrootnum}
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mkdir -p ${chroot}/used 2>/dev/null || continue
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# Need to make sure that used/ is also present after mounting the fresh md so as to not leave open any races
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mount -o async /dev/${unit} ${chroot}/used
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mkdir ${chroot}/used/used
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touch ${chroot}/used/used/${pkgname}
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umount ${chroot}/used
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mount -o async /dev/${unit} ${chroot}/
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else
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chrootnum=$(($chrootnum+1))
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chroot=${chrootdir}/${chrootnum}
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mkdir -p ${chroot} 2>/dev/null || continue
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mkdir ${chroot}/used 2>/dev/null || continue
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fi
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touch ${chroot}/used/${pkgname}
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touch ${chroot}/.notready
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found=1
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done
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echo ${chroot}
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