Preliminary support for optdepends

Add some alpm functions for getting optdepends, have makepkg include them
in the PKGINFO file, and have a pacman -Qi operation display the raw string
as stored by libalpm.

Signed-off-by: Dan McGee <dan@archlinux.org>

lib/libalpm/alpm.h

@@ -213,6 +213,7 @@ pmpkgreason_t alpm_pkg_get_reason(pmpkg_t *pkg);
 alpm_list_t *alpm_pkg_get_licenses(pmpkg_t *pkg);
 alpm_list_t *alpm_pkg_get_groups(pmpkg_t *pkg);
 alpm_list_t *alpm_pkg_get_depends(pmpkg_t *pkg);
+alpm_list_t *alpm_pkg_get_optdepends(pmpkg_t *pkg);
 alpm_list_t *alpm_pkg_get_requiredby(pmpkg_t *pkg);
 alpm_list_t *alpm_pkg_get_conflicts(pmpkg_t *pkg);
 alpm_list_t *alpm_pkg_get_provides(pmpkg_t *pkg);

lib/libalpm/be_files.c

@@ -388,6 +388,10 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
 				while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
 					info->depends = alpm_list_add(info->depends, strdup(line));
 				}
+			} else if(!strcmp(line, "%OPTDEPENDS%")) {
+				while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+					info->optdepends = alpm_list_add(info->optdepends, strdup(line));
+				}
 			} else if(!strcmp(line, "%REQUIREDBY%")) {
 				while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
 					info->requiredby = alpm_list_add(info->requiredby, strdup(line));
@@ -587,6 +591,13 @@ int _alpm_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
 			}
 			fprintf(fp, "\n");
 		}
+		if(info->optdepends) {
+			fputs("%OPTDEPENDS%\n", fp);
+			for(lp = info->optdepends; lp; lp = lp->next) {
+				fprintf(fp, "%s\n", (char *)lp->data);
+			}
+			fprintf(fp, "\n");
+		}
 		if(local && info->requiredby) {
 			fputs("%REQUIREDBY%\n", fp);
 			for(lp = info->requiredby; lp; lp = lp->next) {

lib/libalpm/package.c

@@ -417,7 +417,6 @@ alpm_list_t SYMEXPORT *alpm_pkg_get_groups(pmpkg_t *pkg)
 	return pkg->groups;
 }
 
-/* depends */
 alpm_list_t SYMEXPORT *alpm_pkg_get_depends(pmpkg_t *pkg)
 {
 	ALPM_LOG_FUNC;
@@ -432,6 +431,20 @@ alpm_list_t SYMEXPORT *alpm_pkg_get_depends(pmpkg_t *pkg)
 	return pkg->depends;
 }
 
+alpm_list_t SYMEXPORT *alpm_pkg_get_optdepends(pmpkg_t *pkg)
+{
+	ALPM_LOG_FUNC;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(pkg != NULL, return(NULL));
+
+	if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
+		_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS);
+	}
+	return pkg->optdepends;
+}
+
 alpm_list_t SYMEXPORT *alpm_pkg_get_requiredby(pmpkg_t *pkg)
 {
 	ALPM_LOG_FUNC;
@@ -721,6 +734,7 @@ pmpkg_t *_alpm_pkg_dup(pmpkg_t *pkg)
 	newpkg->files      = alpm_list_strdup(alpm_pkg_get_files(pkg));
 	newpkg->backup     = alpm_list_strdup(alpm_pkg_get_backup(pkg));
 	newpkg->depends    = alpm_list_strdup(alpm_pkg_get_depends(pkg));
+	newpkg->optdepends = alpm_list_strdup(alpm_pkg_get_optdepends(pkg));
 	newpkg->groups     = alpm_list_strdup(alpm_pkg_get_groups(pkg));
 	newpkg->provides   = alpm_list_strdup(alpm_pkg_get_provides(pkg));
 	newpkg->replaces   = alpm_list_strdup(alpm_pkg_get_replaces(pkg));
@@ -746,6 +760,7 @@ void _alpm_pkg_free(pmpkg_t *pkg)
 	FREELIST(pkg->files);
 	FREELIST(pkg->backup);
 	FREELIST(pkg->depends);
+	FREELIST(pkg->optdepends);
 	FREELIST(pkg->conflicts);
 	FREELIST(pkg->requiredby);
 	FREELIST(pkg->groups);
@@ -876,6 +891,8 @@ static int parse_descfile(const char *descfile, pmpkg_t *info)
 				info->isize = atol(ptr);
 			} else if(!strcmp(key, "depend")) {
 				info->depends = alpm_list_add(info->depends, strdup(ptr));
+			} else if(!strcmp(key, "optdepend")) {
+				info->optdepends = alpm_list_add(info->optdepends, strdup(ptr));
 			} else if(!strcmp(key, "conflict")) {
 				info->conflicts = alpm_list_add(info->conflicts, strdup(ptr));
 			} else if(!strcmp(key, "replaces")) {

lib/libalpm/package.h

@@ -71,6 +71,7 @@ struct __pmpkg_t {
 	alpm_list_t *files;
 	alpm_list_t *backup;
 	alpm_list_t *depends;
+	alpm_list_t *optdepends;
 	alpm_list_t *requiredby;
 	alpm_list_t *conflicts;
 	alpm_list_t *provides;

scripts/makepkg.sh.in

@@ -815,6 +815,9 @@ create_package() {
 	for it in "${depends[@]}"; do
 		echo "depend = $it" >>.PKGINFO
 	done
+	for it in "${optdepends[@]}"; do
+		echo "optdepend = $it" >>.PKGINFO
+	done
 	for it in "${conflicts[@]}"; do
 		echo "conflict = $it" >>.PKGINFO
 	done
@@ -1177,7 +1180,7 @@ fi
 
 unset pkgname pkgver pkgrel pkgdesc url license groups provides md5sums force
 unset replaces depends conflicts backup source install build makedepends
-unset options noextract
+unset optdepends options noextract
 
 if [ ! -f "$BUILDSCRIPT" ]; then
 	error "$(gettext "%s does not exist.")" "$BUILDSCRIPT"

src/pacman/package.c

@@ -75,6 +75,7 @@ void dump_pkg_full(pmpkg_t *pkg, int level)
 	list_display(_("Groups         :"), alpm_pkg_get_groups(pkg));
 	list_display(_("Provides       :"), alpm_pkg_get_provides(pkg));
 	list_display(_("Depends On     :"), alpm_pkg_get_depends(pkg));
+	list_display(_("Optional Deps  :"), alpm_pkg_get_optdepends(pkg));
 	/* Only applicable if installed */
 	if(level > 0) {
 		list_display(_("Required By    :"), alpm_pkg_get_requiredby(pkg));