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-rwxr-xr-xtupkg/update/tupkgupdate116
1 files changed, 56 insertions, 60 deletions
diff --git a/tupkg/update/tupkgupdate b/tupkg/update/tupkgupdate
index 4dbac358..36b37aa5 100755
--- a/tupkg/update/tupkgupdate
+++ b/tupkg/update/tupkgupdate
@@ -1,8 +1,8 @@
#!/usr/bin/python -O
-import re
-import os
-import sys
+import re, os, sys, pacman
+
+############################################################
# Define some classes we need
class Version:
@@ -16,7 +16,10 @@ class Package:
self.old = None
self.new = None
-# And a few convenience functions
+############################################################
+# Functions for walking the file trees
+############################################################
+
def filesForRegexp(topdir, regexp):
retval = []
def matchfile(regexp, dirpath, namelist):
@@ -32,63 +35,35 @@ def packagesInTree(topdir):
def pkgbuildsInTree(topdir):
return filesForRegexp(topdir, re.compile("^PKGBUILD$"))
-def parseAssignLine(line):
- if (line == None):
- return None
- defline_re = re.compile("^\s*(?P<key>\w+)\s*=\s*(?P<value>.+)\s*$")
- quote_re = re.compile("[\"']")
- match = defline_re.match(line)
- if (match != None):
- key = match.group("key")
- value = match.group("value")
- value = quote_re.sub('', value)
- return key, value
- else:
- return None
-
-def infoFromPkgbuild(filename):
- fobj = file(filename)
- lines = fobj.readlines()
- fobj.close()
-
- pkgname = None
- pkgver = None
- pkgrel = None
-
- for line in lines:
- result = parseAssignLine(line)
- if (result != None):
- key, value = result
- if (key == "pkgname"):
- pkgname = value
- elif (key == "pkgver"):
- pkgver = value
- elif (key == "pkgrel"):
- pkgrel = value
- if (pkgname != None and pkgver != None and pkgrel != None):
- return pkgname, pkgver + "-" + pkgrel
- return None
+############################################################
+# Function for fetching info from PKGBUILDs and packages
+############################################################
def infoFromPackageFile(filename):
- regexp = re.compile("^(?P<pkgname>[^-]+)-(?P<version>[^-]+-[^\.]+)\.pkg\.tar\.gz$")
- match = regexp.match(filename)
- if (match != None):
- return match.group("pkgname"), match.group("version")
- return None
+ pkgbuild = pacman.load(filename)
+ return pkgbuild.name, pkgbuild.version + "-" + pkgbuild.release
+
+############################################################
+# Functions for doing the final steps of execution
+############################################################
def copyFileToRepo(filename, repodir):
destfile = os.path.join(repodir, os.path.basename(filename))
- command = "cp '" + filename + "' '" + destfile + "'"
- print(command + "\n")
+ command = "cp -p '" + filename + "' '" + destfile + "'"
+ print(command)
def deleteFile(filename):
command = "rm '" + filename + "'"
- print(command + "\n")
+ print(command)
def runGensync(repo, pkgbuild):
target = os.path.join(repo, os.path.basename(repo) + ".db.tar.gz")
command = "gensync '" + pkgbuild_dir + "' '" + target + "'"
- print(command + "\n")
+ print(command)
+
+############################################################
+# Functions for error handling
+############################################################
had_error = 0
def error(string):
@@ -96,6 +71,10 @@ def error(string):
print >>sys.stderr, string + "\n"
had_error = 1
+############################################################
+# MAIN
+############################################################
+
# ARGUMENTS
#
# tupkgupdate <repo_dir> <pkgbuild_dir> <build_dir>
@@ -114,11 +93,12 @@ delete = list()
# PASS 1: PARSING/LOCATING
#
# A) Go through the PKGBUILD tree
-# For each PKGBUILD, create a Package with new Version containing parsed version and and None for file
+# For each PKGBUILD, create a Package with new Version containing
+# parsed version and and None for file
a_files = pkgbuildsInTree(pkgbuild_dir)
for a_file in a_files:
- pkgname, ver = infoFromPkgbuild(a_file)
+ pkgname, ver = infoFromPackageFile(a_file)
# Error (and skip) if we encounter any invalid PKGBUILD files
if (pkgname == None or ver == None):
@@ -141,7 +121,8 @@ for a_file in a_files:
packages[pkgname] = package
# B) Go through the old repo dir
-# For each package file we encounter, create a Package with old Version containing parsed version and filepath
+# For each package file we encounter, create a Package with old
+# Version containing parsed version and filepath
b_files = packagesInTree(repo_dir)
for b_file in b_files:
@@ -163,7 +144,7 @@ for b_file in b_files:
# 1 - look up the package name; if it fails, ignore the file (no error)
# 2 - if package.new = None, ignore the package (no error)
# 3 - if package.new.version doesn't match, then skip (no error)
-# 4 - if package.new.file = None, set the new version to point to that file
+# 4 - if package.new.file = None, new should point to this file
# otherwise, log an error (and skip)
c_files = packagesInTree(build_dir)
@@ -194,30 +175,45 @@ for c_file in c_files:
# PASS 2: CHECKING
#
# Go through the package collection
-# 1 - if package has no new, place its file on the "delete" list
+# 1 - if package has no new, place its old file on the "delete" list
# 2 - if package has a new but no new.file, error and skip
# 3 - if package has no old, add new file to "copy" list into repo dir
# 4 - if old > new, error and skip
-#
-# if new and old are the same version, do nothing
-# otherwise, add entry to "delete" list for old file and "copy" list for new file into repo dir with obvious name
+# 5 - if new == old, compare them and error and skip if files not the same
+# 6 - add entry to "delete" list for old file and "copy" list for
+# new file into repo dir
for package in packages.values():
+ # 1
if (package.new == None):
delete.append(package.old.file)
continue
+
+ # 2
if (package.new.file == None):
error("No new package supplied for " + package.name + " " + package.new.version + "!")
continue
+
+ # 3
if (package.old == None):
copy.append(package.new.file)
- if (package.old.ver > package.new.ver):
- error("Old package " + package.name + " " + package.old.version + " is newer than new version " + package.new.version + "!")
continue
+
+ # 4
if (package.old.ver < package.new.ver):
delete.append(package.old.file)
copy.append(package.new.file)
- # do nothing if the packages are equal in version
+ continue
+
+ # 5
+ if (package.old.ver == package.new.ver):
+ # TODO: implement checking that package files are identical
+ continue
+
+ # 6
+ delete.append(package.old.file)
+ copy.append(package.new.file)
+ continue
## IF WE HAVE HAD ANY ERRORS AT THIS POINT, ABORT! ##
if (had_error == 1):