Add repo/set touching to avoid extra compiles

3 files changed, 72 insertions, 0 deletions

diff --git a/src/libs6rc/deps-lib/s6rc b/src/libs6rc/deps-lib/s6rc
index d847297..79c2909 100644
--- a/src/libs6rc/deps-lib/s6rc
+++ b/src/libs6rc/deps-lib/s6rc
@@ -42,6 +42,8 @@ s6rc_repo_sv_cmpr.o
 s6rc_repo_sync.o
 s6rc_repo_syncset.o
 s6rc_repo_syncset_tmp.o
+s6rc_repo_touch.o
+s6rc_repo_touchset.o
 s6rc_sanitize_dir.o
 s6rc_servicedir_internal.o
 s6rc_servicedir_block.o
diff --git a/src/libs6rc/s6rc_repo_touch.c b/src/libs6rc/s6rc_repo_touch.c
new file mode 100644
index 0000000..069ed78
--- /dev/null
+++ b/src/libs6rc/s6rc_repo_touch.c
@@ -0,0 +1,45 @@
+/* ISC license. */
+
+#include <string.h>
+#include <errno.h>
+
+#include <skalibs/direntry.h>
+#include <skalibs/strerr.h>
+
+#include <s6-rc/repo.h>
+
+int s6rc_repo_touch (char const *repo)
+{
+  DIR *dir ;
+  size_t repolen = strlen(repo) ;
+  char sources[repolen + 9] ;
+  memcpy(sources, repo, repolen) ;
+  memcpy(sources + repolen, "/sources", 9) ;
+
+  dir = opendir(sources) ;
+  if (!dir)
+  {
+    strerr_warnfu2sys("opendir ", sources) ;
+    return 0 ;
+  }
+  for (;;)
+  {
+    direntry *d ;
+    errno = 0 ;
+    d = readdir(dir) ;
+    if (!d) break ;
+    if (d->d_name[0] == '.') continue ;
+    if (!s6rc_repo_touchset(repo, d->d_name))
+    {
+      dir_close(dir) ;
+      return 0 ;
+    }
+  }
+  dir_close(dir) ;
+  if (errno)
+  {
+    strerr_warnfu2sys("readdir ", sources) ;
+    return 0 ;
+  }
+  return 1 ;
+}
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 ;
+}