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Mount tmpfs in chroot's /dev folders (#1317)

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Oliver Smith 2018-03-10 14:24:16 +00:00 • committed by GitHub
parent 0269073cc1
commit dc624aecea
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2 changed files with 23 additions and 5 deletions
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23
pmb/chroot/mount.py
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@ -22,10 +22,31 @@ import pmb.parse
import pmb.helpers.mount
def mount_dev_tmpfs(args, suffix="native"):
"""
Mount tmpfs inside the chroot's dev folder to make sure we can create
device nodes, even if the filesystem of the work folder does not support
it.
"""
# Do nothing when it is already mounted
dev = args.work + "/chroot_" + suffix + "/dev"
if pmb.helpers.mount.ismount(dev):
return
# Create the folder structure and mount it
if not os.path.exists(dev):
pmb.helpers.run.root(args, ["mkdir", "-p", dev])
pmb.helpers.run.root(args, ["mount", "-t", "tmpfs",
"-o", "size=1M,noexec,dev",
"tmpfs", dev])
def mount(args, suffix="native"):
arch = pmb.parse.arch.from_chroot_suffix(args, suffix)
# Mount tmpfs as the chroot's /dev
mount_dev_tmpfs(args, suffix)
# Get all mountpoints
arch = pmb.parse.arch.from_chroot_suffix(args, suffix)
mountpoints = {}
for source, target in pmb.config.chroot_mount_bind.items():
source = source.replace("$WORK", args.work)