Mercurial > cpython-lru_cache-weakref

comparison Python/sysmodule.c @ 69481:febb6cf195e7 3.1

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Up-port changeset 5cf8f6da8743 (closes #11890)
author Jesus Cea <jcea@jcea.es>
date Wed, 20 Apr 2011 20:24:57 +0200
parents f57c94073b35
children f4b7ecf8a5f8 063b4ab49fcc
comparison
equal deleted inserted replaced
69472:77c657e47b5c 69481:febb6cf195e7
1063 " 1063 "
1064 ) 1064 )
1065 /* end of sys_doc */ ; 1065 /* end of sys_doc */ ;
1066 1066
1067 /* Subversion branch and revision management */ 1067 /* Subversion branch and revision management */
1068 static const char _patchlevel_revision[] = PY_PATCHLEVEL_REVISION;
1069 static const char headurl[] = "$HeadURL$";
1070 static int svn_initialized; 1068 static int svn_initialized;
1071 static char patchlevel_revision[50]; /* Just the number */ 1069 static char patchlevel_revision[50]; /* Just the number */
1072 static char branch[50]; 1070 static char branch[50];
1073 static char shortbranch[50]; 1071 static char shortbranch[50];
1074 static const char *svn_revision; 1072 static const char *svn_revision;
1075 1073
1076 static void 1074 static void
1077 svnversion_init(void) 1075 svnversion_init(void)
1078 { 1076 {
1079 const char *python, *br_start, *br_end, *br_end2, *svnversion;
1080 Py_ssize_t len;
1081 int istag = 0;
1082
1083 if (svn_initialized) 1077 if (svn_initialized)
1084 return; 1078 return;
1085 1079
1086 python = strstr(headurl, "/python/");
1087 if (!python) {
1088 strcpy(branch, "unknown branch");
1089 strcpy(shortbranch, "unknown");
1090 }
1091 else {
1092 br_start = python + 8;
1093 br_end = strchr(br_start, '/');
1094 assert(br_end);
1095
1096 /* Works even for trunk,
1097 as we are in trunk/Python/sysmodule.c */
1098 br_end2 = strchr(br_end+1, '/');
1099
1100 istag = strncmp(br_start, "tags", 4) == 0;
1101 if (strncmp(br_start, "trunk", 5) == 0) {
1102 strcpy(branch, "trunk");
1103 strcpy(shortbranch, "trunk");
1104 }
1105 else if (istag || strncmp(br_start, "branches", 8) == 0) {
1106 len = br_end2 - br_start;
1107 strncpy(branch, br_start, len);
1108 branch[len] = '\0';
1109
1110 len = br_end2 - (br_end + 1);
1111 strncpy(shortbranch, br_end + 1, len);
1112 shortbranch[len] = '\0';
1113 }
1114 else {
1115 Py_FatalError("bad HeadURL");
1116 return;
1117 }
1118 }
1119
1120
1121 svnversion = _Py_svnversion();
1122 if (strcmp(svnversion, "Unversioned directory") != 0 && strcmp(svnversion, "exported") != 0)
1123 svn_revision = svnversion;
1124 else if (istag) {
1125 len = strlen(_patchlevel_revision);
1126 assert(len >= 13);
1127 assert(len < (sizeof(patchlevel_revision) + 13));
1128 strncpy(patchlevel_revision, _patchlevel_revision + 11,
1129 len - 13);
1130 patchlevel_revision[len - 13] = '\0';
1131 svn_revision = patchlevel_revision;
1132 }
1133 else
1134 svn_revision = "";
1135
1136 svn_initialized = 1; 1080 svn_initialized = 1;
1081 *patchlevel_revision = '\0';
1082 strcpy(branch, "");
1083 strcpy(shortbranch, "unknown");
1084 svn_revision = "";
1137 } 1085 }
1138 1086
1139 /* Return svnversion output if available. 1087 /* Return svnversion output if available.
1140 Else return Revision of patchlevel.h if on branch. 1088 Else return Revision of patchlevel.h if on branch.
1141 Else return empty string */ 1089 Else return empty string */