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Added support to run pre/post remove actions with binpkgs.

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--HG--
extra : convert_revision : ecc70358e9009a0b2f71aaccc5b8b1282417e3bf
This commit is contained in:
Juan RP 2009-02-03 16:07:08 +01:00
parent 4a9125364a
commit edfeec4622
1 changed files with 58 additions and 10 deletions
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68
lib/remove.c
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@ -49,6 +49,8 @@ xbps_unregister_pkg(const char *pkgname)
if (!xbps_remove_pkg_dict_from_file(pkgname, plist))
rv = errno;
free(plist);
return rv;
}
@ -57,23 +59,56 @@ int
xbps_remove_binary_pkg(const char *pkgname, const char *destdir)
{
FILE *flist;
char path[PATH_MAX - 1], line[LINE_MAX - 1], *p;
int rv = 0;
char path[PATH_MAX - 1], line[LINE_MAX - 1], *p, *buf;
int fd, rv = 0;
size_t len = 0;
bool prepostf = false;
assert(pkgname != NULL);
if (destdir) {
if ((rv = chdir(destdir)) != 0)
return errno;
} else
if (destdir == NULL)
destdir = "";
/*
* This length is '%s%s/metadata/%s/prepost-action' not
* including nul.
*/
len = strlen(XBPS_META_PATH) + strlen(destdir) + strlen(pkgname) + 26;
buf = malloc(len + 1);
if (buf == NULL)
return errno;
if (snprintf(buf, len + 1, "%s%s/metadata/%s/prepost-action",
destdir, XBPS_META_PATH, pkgname) < 0) {
free(buf);
return -1;
}
/* Find out if the prepost-action file exists */
if ((fd = open(buf, O_RDONLY)) == -1) {
if (errno != ENOENT) {
rv = errno;
goto out;
}
} else {
/* Run the preremove action */
(void)close(fd);
prepostf = true;
if ((rv = xbps_file_exec(buf, destdir, "prerm", pkgname,
NULL)) != 0) {
printf("%s: prerm action target error (%s)\n", pkgname,
strerror(errno));
goto out;
}
}
(void)snprintf(path, sizeof(path), "%s%s/metadata/%s/flist",
destdir, XBPS_META_PATH, pkgname);
if ((flist = fopen(path, "r")) == NULL)
return errno;
if ((flist = fopen(path, "r")) == NULL) {
rv = errno;
goto out;
}
while (!feof(flist)) {
p = fgets(line, sizeof(line), flist);
@ -127,9 +162,22 @@ next:
free(p);
p = NULL;
}
(void)fclose(flist);
/* If successful, unregister pkg from db */
return rv ? rv : xbps_unregister_pkg(pkgname);
if (rv == 0) {
if (((rv = xbps_unregister_pkg(pkgname)) == 0) && prepostf) {
/* Run the postremove action target */
if ((rv = xbps_file_exec(buf, destdir, "postrm",
pkgname, NULL)) != 0) {
printf("%s: postrm action target error (%s)\n",
pkgname, strerror(errno));
}
}
}
out:
free(buf);
return rv;
}