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libxbps: globally check for unresolved reverse dependencies.

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Close #46. See NEWS for more information.
This commit is contained in:
Juan RP
2015-02-03 10:20:13 +01:00
parent 7d23a7e69c
commit d607655371
7 changed files with 121 additions and 83 deletions
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39
bin/xbps-remove/main.c
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@ -48,7 +48,8 @@ usage(bool fail)
" -C --config <dir> Path to confdir (xbps.d)\n"
" -c --cachedir <dir> Path to cachedir\n"
" -d --debug Debug mode shown to stderr\n"
" -F --force-revdeps Force package removal even with revdeps\n"
" -F --force-revdeps Force package removal even with revdeps or\n"
" unresolved shared libraries\n"
" -f --force Force package files removal\n"
" -h --help Print help usage\n"
" -n --dry-run Dry-run mode\n"
@ -126,26 +127,12 @@ state_cb_rm(const struct xbps_state_cb_data *xscd, void *cbdata _unused)
}
static int
remove_pkg(struct xbps_handle *xhp, const char *pkgname, int cols,
bool recursive)
remove_pkg(struct xbps_handle *xhp, const char *pkgname, bool recursive)
{
xbps_array_t reqby;
const char *pkgver;
int rv;
rv = xbps_transaction_remove_pkg(xhp, pkgname, recursive);
if (rv == EEXIST) {
/* pkg has revdeps */
reqby = xbps_pkgdb_get_pkg_revdeps(xhp, pkgname);
printf("WARNING: %s IS REQUIRED BY %u PACKAGE%s:\n\n",
pkgname, xbps_array_count(reqby),
xbps_array_count(reqby) > 1 ? "S" : "");
for (unsigned int x = 0; x < xbps_array_count(reqby); x++) {
xbps_array_get_cstring_nocopy(reqby, x, &pkgver);
print_package_line(pkgver, cols, false);
}
printf("\n\n");
print_package_line(NULL, cols, true);
return rv;
} else if (rv == ENOENT) {
printf("Package `%s' is not currently installed.\n", pkgname);
@ -183,14 +170,12 @@ main(int argc, char **argv)
struct xbps_handle xh;
const char *rootdir, *cachedir, *confdir;
int c, flags, rv;
bool yes, drun, recursive, ignore_revdeps, clean_cache;
bool orphans, reqby_force;
bool yes, drun, recursive, clean_cache, orphans;
int maxcols;
rootdir = cachedir = confdir = NULL;
flags = rv = 0;
drun = recursive = ignore_revdeps = clean_cache = false;
reqby_force = yes = orphans = false;
drun = recursive = clean_cache = yes = orphans = false;
while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
switch (c) {
@ -204,7 +189,7 @@ main(int argc, char **argv)
flags |= XBPS_FLAG_DEBUG;
break;
case 'F':
ignore_revdeps = true;
flags |= XBPS_FLAG_FORCE_REMOVE_REVDEPS;
break;
case 'f':
flags |= XBPS_FLAG_FORCE_REMOVE_FILES;
@ -291,20 +276,12 @@ main(int argc, char **argv)
}
for (int i = optind; i < argc; i++) {
rv = remove_pkg(&xh, argv[i], maxcols, recursive);
if (rv == 0)
continue;
else if (rv != EEXIST) {
rv = remove_pkg(&xh, argv[i], recursive);
if (rv != 0) {
xbps_end(&xh);
exit(rv);
} else {
reqby_force = true;
}
}
if (reqby_force && !ignore_revdeps && !drun) {
xbps_end(&xh);
exit(EXIT_FAILURE);
}
if (orphans || (argc > optind)) {
rv = exec_transaction(&xh, maxcols, yes, drun);
}