1 files changed, 92 insertions, 0 deletions
diff --git a/src/libs6rc/s6rc_repo_set_makebundle.c b/src/libs6rc/s6rc_repo_set_makebundle.c
new file mode 100644
index 0000000..fa52e40
--- /dev/null
+++ b/src/libs6rc/s6rc_repo_set_makebundle.c
@@ -0,0 +1,92 @@
+/* ISC license. */
+
+#include <skalibs/bsdsnowflake.h>
+#include <skalibs/nonposix.h>
+
+#include <string.h>
+#include <errno.h>
+
+#include <skalibs/stat.h>
+#include <skalibs/direntry.h>
+#include <skalibs/strerr.h>
+#include <skalibs/djbunix.h>
+
+#include <s6-rc/repo.h>
+
+int s6rc_repo_set_makebundle (char const *repo, char const *set, char const *sub, char const *bundle)
+{
+  size_t repolen = strlen(repo) ;
+  size_t setlen = strlen(set) ;
+  size_t sublen = strlen(sub) ;
+  size_t bundlelen = strlen(bundle) ;
+  size_t bfnlen = repolen + setlen + bundlelen + 28 ;
+  DIR *dir ;
+  char bfn[bfnlen + 1] ;
+  char subfn[repolen + setlen + sublen + 11] ;
+
+  memcpy(bfn, repo, repolen) ;
+  memcpy(bfn + repolen, "/sources/", 9) ;
+  memcpy(bfn + repolen + 9, set, setlen) ;
+  memcpy(bfn + repolen + 9 + setlen, "/bundle/", 8) ;
+  memcpy(bfn + repolen + 17 + setlen, bundle, bundlelen + 1) ;
+  if (rm_rf(bfn) == -1)
+  {
+    strerr_warnfu2sys("delete previous directory at ", bfn) ;
+    return 0 ;
+  }
+  if (mkdir(bfn, 02755) == -1)
+  {
+    strerr_warnfu2sys("mkdir ", bfn) ;
+    return 0 ;
+  }
+  memcpy(bfn + repolen + setlen + 17 + bundlelen, "/type", 6) ;
+  if (!openwritenclose_unsafe(bfn, "bundle\n", 7))
+  {
+    strerr_warnfu2sys("write to ", bfn) ;
+    return 0 ;
+  }
+  memcpy(bfn + repolen + setlen + 18 + bundlelen, "contents.d", 11) ;
+  if (mkdir(bfn, 02755) == -1)
+  {
+    strerr_warnfu2sys("mkdir ", bfn) ;
+    return 0 ;
+  }
+  bfn[bfnlen] = '/' ;
+
+  memcpy(subfn, bfn, repolen + 10 + setlen) ;
+  memcpy(subfn + repolen + 10 + setlen, sub, sublen + 1) ;
+  dir = opendir(subfn) ;
+  if (!dir)
+  {
+    strerr_warnfu2sys("opendir ", subfn) ;
+    return 0 ;
+  }
+
+  for (;;)
+  {
+    size_t len ;
+    direntry *d ;
+    errno = 0 ;
+    d = readdir(dir) ;
+    if (!d) break ;
+    if (d->d_name[0] == '.') continue ;
+    len = strlen(d->d_name) ;
+    char fn[bfnlen + len + 2] ;
+    memcpy(fn, bfn, bfnlen + 1) ;
+    memcpy(fn + bfnlen + 1, d->d_name, len + 1) ;
+    if (!openwritenclose_unsafe(fn, "", 0))
+    {
+      strerr_warnfu2sys("write to ", fn) ;
+      dir_close(dir) ;
+      return 0 ;
+    }
+  }
+  dir_close(dir) ;
+  if (errno)
+  {
+    strerr_warnfu2sys("readdir ", subfn) ;
+    return 0 ;
+  }
+
+  return 1 ;
+}