depends: fix matching atoms for bug #668418

atoms in dependency strings can contain built-with-use declarations in
bracket notation, so ensure we ignore that when feeding this into
atom_explode.

Bug: https://bugs.gentoo.org/668418

2 files changed, 7 insertions, 3 deletions

diff --git a/qatom.c b/qatom.c
index f079299..d7782ea 100644
--- a/qatom.c
+++ b/qatom.c
@@ -133,7 +133,8 @@ int qatom_main(int argc, char **argv)
 	for (i = optind; i < argc; ++i) {
 		switch (action) {
 		case _COMPARE:
-			printf("%s %s %s\n", argv[i], booga[atom_compare_str(argv[i], argv[i+1])], argv[i+1]);
+			printf("%s %s %s\n", argv[i],
+					booga[atom_compare_str(argv[i], argv[i+1])], argv[i+1]);
 			++i;
 			break;
 		case _EXPLODE:
diff --git a/qdepends.c b/qdepends.c
index e89216b..3ff0ebb 100644
--- a/qdepends.c
+++ b/qdepends.c
@@ -555,10 +555,13 @@ qdepends_vdb_deep_cb(q_vdb_pkg_ctx *pkg_ctx, void *priv)
 		if (ret != 0)
 			break;
 
-		/* find the boundaries for matched atom */
+		/* find the boundaries for matched atom, dep specifications can
+		 * include built-with-use deps using [xxx] notation, so ensure
+		 * we exclude that as part of the atom */
 		while (match.rm_so > 0 && !isspace(ptr[match.rm_so - 1]))
 			match.rm_so--;
-		while (ptr[match.rm_eo] != '\0' && !isspace(ptr[match.rm_eo]))
+		while (ptr[match.rm_eo] != '\0' && ptr[match.rm_eo] != '[' &&
+				!isspace(ptr[match.rm_eo]))
 			match.rm_eo++;
 
 		snprintf(qbuf, sizeof(qbuf), "%.*s",