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1 | // -*- mode: cpp; mode: fold -*- |
2 | // Description /*{{{*/ | |
b2e465d6 | 3 | // $Id: clean.cc,v 1.4 2001/02/20 07:03:17 jgg Exp $ |
1bc849af AL |
4 | /* ###################################################################### |
5 | ||
6 | Clean - Clean out downloaded directories | |
7 | ||
8 | ##################################################################### */ | |
9 | /*}}}*/ | |
10 | // Includes /*{{{*/ | |
1bc849af AL |
11 | #include <apt-pkg/clean.h> |
12 | #include <apt-pkg/strutl.h> | |
13 | #include <apt-pkg/error.h> | |
c98b1307 | 14 | #include <apt-pkg/configuration.h> |
1bc849af | 15 | |
b2e465d6 AL |
16 | #include <apti18n.h> |
17 | ||
1bc849af AL |
18 | #include <dirent.h> |
19 | #include <sys/stat.h> | |
20 | #include <unistd.h> | |
21 | /*}}}*/ | |
22 | ||
23 | // ArchiveCleaner::Go - Perform smart cleanup of the archive /*{{{*/ | |
24 | // --------------------------------------------------------------------- | |
25 | /* Scan the directory for files to erase, we check the version information | |
26 | against our database to see if it is interesting */ | |
27 | bool pkgArchiveCleaner::Go(string Dir,pkgCache &Cache) | |
28 | { | |
c98b1307 | 29 | bool CleanInstalled = _config->FindB("APT::Clean-Installed",true); |
b2e465d6 AL |
30 | string MyArch = _config->Find("APT::Architecture"); |
31 | ||
32 | DIR *D = opendir(Dir.c_str()); | |
1bc849af | 33 | if (D == 0) |
b2e465d6 AL |
34 | return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str()); |
35 | ||
1bc849af AL |
36 | string StartDir = SafeGetCWD(); |
37 | if (chdir(Dir.c_str()) != 0) | |
38 | { | |
39 | closedir(D); | |
b2e465d6 | 40 | return _error->Errno("chdir",_("Unable to change to %s"),Dir.c_str()); |
1bc849af AL |
41 | } |
42 | ||
43 | for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D)) | |
44 | { | |
45 | // Skip some files.. | |
46 | if (strcmp(Dir->d_name,"lock") == 0 || | |
47 | strcmp(Dir->d_name,"partial") == 0 || | |
48 | strcmp(Dir->d_name,".") == 0 || | |
49 | strcmp(Dir->d_name,"..") == 0) | |
50 | continue; | |
51 | ||
52 | struct stat St; | |
53 | if (stat(Dir->d_name,&St) != 0) | |
b2e465d6 AL |
54 | { |
55 | chdir(StartDir.c_str()); | |
56 | closedir(D); | |
57 | return _error->Errno("stat",_("Unable to stat %s."),Dir->d_name); | |
58 | } | |
59 | ||
1bc849af AL |
60 | // Grab the package name |
61 | const char *I = Dir->d_name; | |
62 | for (; *I != 0 && *I != '_';I++); | |
63 | if (*I != '_') | |
64 | continue; | |
65 | string Pkg = DeQuoteString(string(Dir->d_name,I-Dir->d_name)); | |
66 | ||
67 | // Grab the version | |
68 | const char *Start = I + 1; | |
69 | for (I = Start; *I != 0 && *I != '_';I++); | |
70 | if (*I != '_') | |
71 | continue; | |
72 | string Ver = DeQuoteString(string(Start,I-Start)); | |
73 | ||
74 | // Grab the arch | |
75 | Start = I + 1; | |
76 | for (I = Start; *I != 0 && *I != '.' ;I++); | |
77 | if (*I != '.') | |
78 | continue; | |
79 | string Arch = DeQuoteString(string(Start,I-Start)); | |
b2e465d6 AL |
80 | |
81 | if (Arch != "all" && Arch != MyArch) | |
82 | continue; | |
83 | ||
1bc849af AL |
84 | // Lookup the package |
85 | pkgCache::PkgIterator P = Cache.FindPkg(Pkg); | |
86 | if (P.end() != true) | |
87 | { | |
88 | pkgCache::VerIterator V = P.VersionList(); | |
89 | for (; V.end() == false; V++) | |
90 | { | |
91 | // See if we can fetch this version at all | |
92 | bool IsFetchable = false; | |
93 | for (pkgCache::VerFileIterator J = V.FileList(); | |
94 | J.end() == false; J++) | |
95 | { | |
c98b1307 AL |
96 | if (CleanInstalled == true && |
97 | (J.File()->Flags & pkgCache::Flag::NotSource) != 0) | |
1bc849af AL |
98 | continue; |
99 | IsFetchable = true; | |
100 | break; | |
101 | } | |
102 | ||
103 | // See if this verison matches the file | |
104 | if (IsFetchable == true && Ver == V.VerStr()) | |
105 | break; | |
106 | } | |
107 | ||
108 | // We found a match, keep the file | |
109 | if (V.end() == false) | |
110 | continue; | |
111 | } | |
112 | ||
113 | Erase(Dir->d_name,Pkg,Ver,St); | |
1bc849af AL |
114 | }; |
115 | ||
116 | chdir(StartDir.c_str()); | |
117 | closedir(D); | |
118 | return true; | |
119 | } | |
120 | /*}}}*/ |