diff options
| author | Allan McRae <allan@archlinux.org> | 2012-08-12 08:28:42 +0200 |
|---|---|---|
| committer | Allan McRae <allan@archlinux.org> | 2012-12-14 03:35:34 +0100 |
| commit | d0e5cd2c7faef6159ab353714fa5227739994b2f (patch) | |
| tree | 290fa301adf0daa733f7ec298593a456b3c01e61 /lib/libalpm/package.c | |
| parent | 9a24f1ffc50deb7d979430ac85475b10b4a98d28 (diff) | |
| download | pacman-d0e5cd2c7faef6159ab353714fa5227739994b2f.tar.gz pacman-d0e5cd2c7faef6159ab353714fa5227739994b2f.tar.xz | |
Add "Optional for" to package information output
Much like packages that require a give package are displayed in the
"Required by" field of its information output, alos display packages
that optionally require the package.
Inspired-by: Benedikt Morbach <benedikt.morbach@googlemail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
Diffstat (limited to 'lib/libalpm/package.c')
| -rw-r--r-- | lib/libalpm/package.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/lib/libalpm/package.c b/lib/libalpm/package.c index 4887e215..f3e0b7fa 100644 --- a/lib/libalpm/package.c +++ b/lib/libalpm/package.c @@ -389,7 +389,8 @@ int SYMEXPORT alpm_pkg_has_scriptlet(alpm_pkg_t *pkg) return pkg->ops->has_scriptlet(pkg); } -static void find_requiredby(alpm_pkg_t *pkg, alpm_db_t *db, alpm_list_t **reqs) +static void find_requiredby(alpm_pkg_t *pkg, alpm_db_t *db, alpm_list_t **reqs, + int optional) { const alpm_list_t *i; pkg->handle->pm_errno = 0; @@ -397,7 +398,14 @@ static void find_requiredby(alpm_pkg_t *pkg, alpm_db_t *db, alpm_list_t **reqs) for(i = _alpm_db_get_pkgcache(db); i; i = i->next) { alpm_pkg_t *cachepkg = i->data; alpm_list_t *j; - for(j = alpm_pkg_get_depends(cachepkg); j; j = j->next) { + + if(optional == 0) { + j = alpm_pkg_get_depends(cachepkg); + } else { + j = alpm_pkg_get_optdepends(cachepkg); + } + + for(; j; j = j->next) { if(_alpm_depcmp(pkg, j->data)) { const char *cachepkgname = cachepkg->name; if(alpm_list_find_str(*reqs, cachepkgname) == NULL) { @@ -408,8 +416,7 @@ static void find_requiredby(alpm_pkg_t *pkg, alpm_db_t *db, alpm_list_t **reqs) } } -/** Compute the packages requiring a given package. */ -alpm_list_t SYMEXPORT *alpm_pkg_compute_requiredby(alpm_pkg_t *pkg) +static alpm_list_t *compute_requiredby(alpm_pkg_t *pkg, int optional) { const alpm_list_t *i; alpm_list_t *reqs = NULL; @@ -420,17 +427,17 @@ alpm_list_t SYMEXPORT *alpm_pkg_compute_requiredby(alpm_pkg_t *pkg) if(pkg->origin == ALPM_PKG_FROM_FILE) { /* The sane option; search locally for things that require this. */ - find_requiredby(pkg, pkg->handle->db_local, &reqs); + find_requiredby(pkg, pkg->handle->db_local, &reqs, optional); } else { /* We have a DB package. if it is a local package, then we should * only search the local DB; else search all known sync databases. */ db = pkg->origin_data.db; if(db->status & DB_STATUS_LOCAL) { - find_requiredby(pkg, db, &reqs); + find_requiredby(pkg, db, &reqs, optional); } else { for(i = pkg->handle->dbs_sync; i; i = i->next) { db = i->data; - find_requiredby(pkg, db, &reqs); + find_requiredby(pkg, db, &reqs, optional); } reqs = alpm_list_msort(reqs, alpm_list_count(reqs), _alpm_str_cmp); } @@ -438,6 +445,19 @@ alpm_list_t SYMEXPORT *alpm_pkg_compute_requiredby(alpm_pkg_t *pkg) return reqs; } +/** Compute the packages requiring a given package. */ +alpm_list_t SYMEXPORT *alpm_pkg_compute_requiredby(alpm_pkg_t *pkg) +{ + return compute_requiredby(pkg, 0); +} + +/** Compute the packages optionally requiring a given package. */ +alpm_list_t SYMEXPORT *alpm_pkg_compute_optionalfor(alpm_pkg_t *pkg) +{ + return compute_requiredby(pkg, 1); +} + + /** @} */ alpm_file_t *_alpm_file_copy(alpm_file_t *dest, |