1 files changed, 73 insertions, 0 deletions
diff --git a/src/repo/s6-rc-set-delete.c b/src/repo/s6-rc-set-delete.c
new file mode 100644
index 0000000..e45561f
--- /dev/null
+++ b/src/repo/s6-rc-set-delete.c
@@ -0,0 +1,73 @@
+/* ISC license. */
+
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/prog.h>
+#include <skalibs/strerr.h>
+#include <skalibs/gol.h>
+#include <skalibs/djbunix.h>
+
+#include <s6-rc/config.h>
+#include <s6-rc/s6rc.h>
+
+#define USAGE "s6-rc-set-delete [ -v verbosity ] [ -r repo ] setname..."
+#define dieusage() strerr_dieusage(100, USAGE)
+
+static inline void dodelete (char const *repo, char const *setname)
+{
+  size_t repolen = strlen(repo) ;
+  size_t setlen = strlen(setname) ;
+  char fn[repolen + setlen + 10] ;
+  memcpy(fn, repo, repolen) ;
+  memcpy(fn + repolen, "/sources/", 9) ;
+  memcpy(fn + repolen + 9, setname, setlen + 1) ;
+  if (access(fn, W_OK) == -1)
+  {
+    if (errno != ENOENT) strerr_diefu2sys(111, "access ", fn) ;
+    else strerr_warnwu2sys("delete set ", setname) ;
+  }
+  else rm_rf(fn) ;
+}
+
+enum gola_e
+{
+  GOLA_VERBOSITY,
+  GOLA_REPODIR,
+  GOLA_N
+} ;
+
+static gol_arg const rgola[2] =
+{
+  { .so = 'v', .lo = "verbosity", .i = GOLA_VERBOSITY },
+  { .so = 'r', .lo = "repodir", .i = GOLA_REPODIR }
+} ;
+
+int main (int argc, char const *const *argv)
+{
+  char const *repo = S6RC_REPO_BASE ;
+  int fdlock ;
+  unsigned int verbosity = 1 ;
+  char const *wgola[2] = { 0 } ;
+  unsigned int golc ;
+
+  PROG = "s6-rc-set-delete" ;
+  golc = gol_main(argc, argv, 0, 0, rgola, 2, 0, wgola) ;
+  argc -= golc ; argv += golc ;
+  if (wgola[GOLA_VERBOSITY] && !uint0_scan(wgola[GOLA_VERBOSITY], &verbosity))
+    strerr_dief1x(100, "verbosity needs to be an unsigned integer") ;
+  if (wgola[GOLA_REPODIR]) repo = wgola[GOLA_REPODIR] ;
+  if (!argc) dieusage() ;
+  for (unsigned int i = 0 ; i < argc ; i++)
+    if (strchr(argv[i], '/') || strchr(argv[i], '\n'))
+      strerr_dief1x(100, "set names cannot contain / or newlines") ;
+
+  fdlock = s6rc_repo_lock(repo, 1) ;
+  if (fdlock == -1) strerr_diefu2sys(111, "lock ", repo) ;
+
+  for (unsigned int i = 0 ; i < argc ; i++)
+    dodelete(repo, argv[i]) ;
+  return 0 ;
+}