ref: refs/heads/master
commit 56e33b98a6f3feee1e8115af5c5855c7d9ffc528
Author: Michael Schroeder
Date: Thu Jul 9 12:33:46 2009 +0200
- support fedora style yum repos (var subst, mirrorlist)
---
examples/solv.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 119 insertions(+), 6 deletions(-)
diff --git a/examples/solv.c b/examples/solv.c
index 7f2c534..aa5918f 100644
--- a/examples/solv.c
+++ b/examples/solv.c
@@ -66,6 +66,7 @@ struct repoinfo {
int enabled;
int autorefresh;
char *baseurl;
+ char *metalink;
char *path;
int type;
int gpgcheck;
@@ -73,6 +74,67 @@ struct repoinfo {
int keeppackages;
};
+#ifdef FEDORA
+char *
+yum_substitute(Pool *pool, char *line)
+{
+ char *p, *p2;
+
+ p = line;
+ while ((p2 = strchr(p, '$')) != 0)
+ {
+ if (!strncmp(p2, "$releasever", 11))
+ {
+ static char *releaseevr;
+ if (!releaseevr)
+ {
+ FILE *fp;
+ char buf[1024], *bp;
+
+ fp = popen("rpm --nodigest --nosignature -q --qf '%{VERSION}\n' --whatprovides redhat-release", "r");
+ fread(buf, 1, sizeof(buf), fp);
+ fclose(fp);
+ bp = buf;
+ while (*bp != ' ' && *bp != '\t' && *bp != '\n')
+ bp++;
+ *bp = 0;
+ releaseevr = strdup(buf);
+ }
+ *p2 = 0;
+ p = pool_tmpjoin(pool, line, releaseevr, p2 + 11);
+ p2 = p + (p2 - line);
+ line = p;
+ p = p2 + strlen(releaseevr);
+ continue;
+ }
+ if (!strncmp(p2, "$basearch", 9))
+ {
+ static char *basearch;
+ if (!basearch)
+ {
+ struct utsname un;
+ if (uname(&un))
+ {
+ perror("uname");
+ exit(1);
+ }
+ basearch = strdup(un.machine);
+ if (basearch[0] == 'i' && basearch[1] && !strcmp(basearch + 2, "86"))
+ basearch[1] = '3';
+ }
+ *p2 = 0;
+ p = pool_tmpjoin(pool, line, basearch, p2 + 9);
+ p2 = p + (p2 - line);
+ line = p;
+ p = p2 + strlen(basearch);
+ continue;
+ }
+ p = p2 + 1;
+ }
+ return line;
+}
+#endif
+
#define TYPE_UNKNOWN 0
#define TYPE_SUSETAGS 1
#define TYPE_RPMMD 2
@@ -129,6 +191,8 @@ read_repoinfos(Pool *pool, const char *reposdir, int *nrepoinfosp)
kp++;
if (!*kp || *kp == '#')
continue;
+ if (strchr(kp, '$'))
+ kp = yum_substitute(pool, kp);
if (*kp == '[')
{
vp = strrchr(kp, ']');
@@ -140,6 +204,7 @@ read_repoinfos(Pool *pool, const char *reposdir, int *nrepoinfosp)
memset(cinfo, 0, sizeof(*cinfo));
cinfo->alias = strdup(kp + 1);
cinfo->type = TYPE_RPMMD;
+ cinfo->autorefresh = 1;
continue;
}
if (!cinfo)
@@ -166,6 +231,11 @@ read_repoinfos(Pool *pool, const char *reposdir, int *nrepoinfosp)
cinfo->gpgcheck = *vp == '0' ? 0 : 1;
else if (!strcmp(kp, "baseurl"))
cinfo->baseurl = strdup(vp);
+ else if (!strcmp(kp, "mirrorlist"))
+ {
+ if (strstr(vp, "metalink"))
+ cinfo->metalink = strdup(vp);
+ }
else if (!strcmp(kp, "path"))
{
if (vp && strcmp(vp, "/") != 0)
@@ -252,6 +322,31 @@ verify_checksum(int fd, const char *file, const unsigned char *chksum, Id chksum
return 1;
}
+char *
+findmetalinkurl(FILE *fp)
+{
+ char buf[4096], *bp, *ep;
+ while((bp = fgets(buf, sizeof(buf), fp)) != 0)
+ {
+ while (*bp == ' ' || *bp == '\t')
+ bp++;
+ if (strncmp(bp, "');
+ if (!bp)
+ continue;
+ bp++;
+ ep = strstr(bp, "repodata/repomd.xml</url>");
+ if (!ep)
+ continue;
+ *ep = 0;
+ if (strncmp(bp, "http", 4))
+ continue;
+ return strdup(bp);
+ }
+ return 0;
+}
+
FILE *
curlfopen(struct repoinfo *cinfo, const char *file, int uncompress, const unsigned char *chksum, Id chksumtype)
{
@@ -262,12 +357,30 @@ curlfopen(struct repoinfo *cinfo, const char *file, int uncompress, const unsign
const char *baseurl = cinfo->baseurl;
if (!baseurl)
- return 0;
- l = strlen(baseurl);
- if (l && baseurl[l - 1] == '/')
- snprintf(url, sizeof(url), "%s%s", baseurl, file);
+ {
+ if (!cinfo->metalink)
+ return 0;
+ if (file != cinfo->metalink)
+ {
+ FILE *fp = curlfopen(cinfo, cinfo->metalink, 0, 0, 0);
+ if (!fp)
+ return 0;
+ cinfo->baseurl = findmetalinkurl(fp);
+ fclose(fp);
+ if (!cinfo->baseurl)
+ return 0;
+ return curlfopen(cinfo, file, uncompress, chksum, chksumtype);
+ }
+ snprintf(url, sizeof(url), "%s", file);
+ }
else
- snprintf(url, sizeof(url), "%s/%s", baseurl, file);
+ {
+ l = strlen(baseurl);
+ if (l && baseurl[l - 1] == '/')
+ snprintf(url, sizeof(url), "%s%s", baseurl, file);
+ else
+ snprintf(url, sizeof(url), "%s/%s", baseurl, file);
+ }
fd = opentmpfile();
if ((pid = fork()) == (pid_t)-1)
{
@@ -281,7 +394,7 @@ curlfopen(struct repoinfo *cinfo, const char *file, int uncompress, const unsign
dup2(fd, 1);
close(fd);
}
- execlp("curl", "curl", "-s", "-L", url, (char *)0);
+ execlp("curl", "curl", "-f", "-s", "-L", url, (char *)0);
perror("curl");
_exit(0);
}
--
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