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install-gsos.py: Refactor digest check

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This commit is contained in:
T. Joseph Carter 2015-11-14 14:39:53 -08:00
parent 7e38c7fe37
commit 442d48c0be
1 changed files with 24 additions and 26 deletions
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50
experimental/install-gsos.py
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@ -335,6 +335,17 @@ def a2setup_umount(mountpoint):
os.rmdir(mountpoint)
def a2setup_check_digest(bootfile, file_digest, gsos_version, pristine=True, patched=True):
if pristine and bootfile["digest"] == file_digest:
return True
if patched and "patch" in bootfile and gsos_version in bootfile["patch"]:
if bootfile["patch"][gsos_version]["digest"] == file_digest:
return True
return False
def install_bootblocks(dest_dir, dest_fmt, gsos_version):
if dest_fmt not in ["unix", "netatalk"]:
raise ValueError("Only basic UNIX and netatalk formats are supported for now")
@ -359,31 +370,18 @@ def install_bootblocks(dest_dir, dest_fmt, gsos_version):
for bootfile in a2boot_files:
dest_path = os.path.join(dest_dir, bootfile[dest_fmt])
if not os.path.isfile(dest_path):
# A file is missing
if os.path.isfile(dest_path):
dest_digest = sha1sum_file(dest_path)
if not a2setup_check_digest(bootfile, dest_digest, gsos_version):
a2boot_needed = True
break
else:
a2boot_needed = True
break
else:
# Now check the digest
dest_digest = sha1sum_file(dest_path)
if bootfile["digest"] == dest_digest:
# File is pristine, good
pass
else:
if "patch" in bootfile and gsos_version in bootfile["patch"]:
if bootfile["patch"][gsos_version]["digest"] == dest_digest:
# File is patched for this GS/OS version, good
pass
else:
# File is wrong version or corrupt
a2boot_needed = True
break
else:
# File is wrong version or corrupt
a2boot_needed = True
break
if a2boot_needed:
if not a2boot_needed:
a2boot_installed = True
else:
if download_from_sources(disk7_sources, work_dir):
if disk7_sources["type"] == "sea.bin":
a2setup_extracted = extract_800k_sea_bin(disk7_sources["file"],
@ -399,13 +397,13 @@ def install_bootblocks(dest_dir, dest_fmt, gsos_version):
if not quiet:
print("Copying files...", end="")
a2setup_installed = True
a2boot_installed = True
for bootfile in a2boot_files:
if not a2setup_copyfile(bootfile, mountpoint, dest_dir, dest_fmt):
a2setup_installed = False
a2boot_installed = False
if not quiet:
if a2setup_installed:
if a2boot_installed:
print(" success.")
else:
print(" error copying files")
@ -415,7 +413,7 @@ def install_bootblocks(dest_dir, dest_fmt, gsos_version):
os.rmdir(work_dir)
if not a2setup_installed and not quiet:
if not a2boot_installed and not quiet:
print("Installation failed.")