Add repo/set touching to avoid extra compiles

1 files changed, 25 insertions, 0 deletions

diff --git a/src/libs6rc/s6rc_repo_touchset.c b/src/libs6rc/s6rc_repo_touchset.c
new file mode 100644
index 0000000..684bfc4
--- /dev/null
+++ b/src/libs6rc/s6rc_repo_touchset.c
@@ -0,0 +1,25 @@
+/* ISC license. */
+
+#include <string.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/strerr.h>
+
+#include <s6-rc/repo.h>
+
+int s6rc_repo_touchset (char const *repo, char const *set)
+{
+  size_t repolen = strlen(repo) ;
+  size_t setlen = strlen(set) ;
+  char fn[repolen + 17 + setlen] ;
+  memcpy(fn, repo, repolen) ;
+  memcpy(fn + repolen, "/sources/", 9) ;
+  memcpy(fn + repolen + 9, set, setlen) ;
+  memcpy(fn + repolen + 9 + setlen, "/.stamp", 8) ;
+  if (!touch(fn))
+  {
+    strerr_warnfu2sys("touch ", fn) ;
+    return 0 ;
+  }
+  return 1 ;
+}