[gentoo-commits] repo/proj/prefix:master commit in: scripts/rsync-generation/

["Fabian Groffen" <grobian@gentoo.org>]

commit:     c7d6ecd8600f5a69f95427176e2f23a0b84e7e75
Author:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
AuthorDate: Thu Mar  1 10:54:24 2018 +0000
Commit:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
CommitDate: Thu Mar  1 10:54:24 2018 +0000
URL:        https://gitweb.gentoo.org/repo/proj/prefix.git/commit/?id=c7d6ecd8

scripts/rsync-generation/hashgen: return when write_hashes would produce garbage

If we can't stat the file we're writing hashes for, we're not going to
produce anything useful and something up in the stack went wrong
already.

 scripts/rsync-generation/hashgen.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/scripts/rsync-generation/hashgen.c b/scripts/rsync-generation/hashgen.c
index 833c8e7205..534d278d91 100644
--- a/scripts/rsync-generation/hashgen.c
+++ b/scripts/rsync-generation/hashgen.c
@@ -224,8 +224,10 @@ write_hashes(
 
 	snprintf(fname, sizeof(fname), "%s/%s", root, name);
 
-	if (stat(fname, &s) == 0)
-		update_times(tv, &s);
+	if (stat(fname, &s) != 0)
+		return;
+
+	update_times(tv, &s);
 
 	get_hashes(fname, sha256, sha512, whrlpl, blak2b, &flen);
 
@@ -1275,6 +1277,7 @@ process_dir_vrfy(const char *dir)
 {
 	char buf[8192];
 	int newhashes;
+	char *ret = NULL;
 
 	fprintf(stdout, "verifying %s...\n", dir);
 	snprintf(buf, sizeof(buf), "%s/metadata/layout.conf", dir);
@@ -1290,7 +1293,7 @@ process_dir_vrfy(const char *dir)
 	}
 
 	if (verify_gpg_sig(str_manifest) != 0)
-		return "gpg signature invalid";
+		ret = "gpg signature invalid";
 
 	/* verification goes like this:
 	 * - verify the signature of the top-level Manifest file (done
@@ -1301,9 +1304,9 @@ process_dir_vrfy(const char *dir)
 	 * - recurse into directories for which Manifest files are defined
 	 */
 	if (verify_manifest(".\0", str_manifest) != 0)
-		return "manifest verification failed";
+		ret = "manifest verification failed";
 
-	return NULL;
+	return ret;
 }
 
 int
@@ -1339,14 +1342,14 @@ main(int argc, char *argv[])
 	if (argc > 1) {
 		for (; arg < argc; arg++) {
 			rsn = runfunc(argv[arg]);
-			if (rsn != NULL) {
+			if (runfunc == &process_dir_vrfy && rsn != NULL) {
 				printf("%s\n", rsn);
 				ret |= 1;
 			}
 		}
 	} else {
 		rsn = runfunc(".");
-		if (rsn != NULL) {
+		if (runfunc == &process_dir_vrfy && rsn != NULL) {
 			printf("%s\n", rsn);
 			ret |= 1;
 		}