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gummiboot-builder.py: Handle the case where there's no /etc/machine-id.

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Bug hit by add^_ in IRC when installing from the livecd, as there's no /mnt/etc/machine-id
This commit is contained in:
Shea Levy 2013-02-12 10:47:52 -05:00
parent 46b7ddf402
commit b669633d63
1 changed files with 10 additions and 3 deletions
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13
modules/system/boot/loader/gummiboot/gummiboot-builder.py
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@ -6,6 +6,7 @@ import errno
import subprocess
import glob
import tempfile
import errno
def copy_if_not_exists(source, dest):
known_paths.append(dest)
@ -26,7 +27,7 @@ def write_entry(generation, kernel, initrd):
with open(tmp_path, 'w') as f:
print >> f, "title NixOS"
print >> f, "version Generation %d" % (generation)
print >> f, "machine-id %s" % (machine_id)
if machine_id is not None: print >> f, "machine-id %s" % (machine_id)
print >> f, "linux %s" % (kernel)
print >> f, "initrd %s" % (initrd)
print >> f, "options %s" % (kernel_params)
@ -143,8 +144,14 @@ args = parser.parse_args()
known_paths = []
mkdir_p("@efiSysMountPoint@/efi/nixos")
mkdir_p("@efiSysMountPoint@/loader/entries")
with open("/etc/machine-id") as machine_file:
machine_id = machine_file.readlines()[0]
try:
with open("/etc/machine-id") as machine_file:
machine_id = machine_file.readlines()[0]
except IOError as e:
if e.errno != errno.ENOENT:
raise
machine_id = None
gens = get_generations("system")
for gen in gens:
add_entry(gen)