testing/clsync: new aport

https://github.com/xaionaro/clsync
File live sync daemon based on inotify

testing/clsync/APKBUILD

+# Contributor: Jakub Jirutka <jakub@jirutka.cz>
+# Maintainer: Jakub Jirutka <jakub@jirutka.cz>
+pkgname=clsync
+pkgver=0.4.2
+pkgrel=0
+pkgdesc="File live sync daemon based on inotify"
+url="https://github.com/xaionaro/clsync"
+arch="all"
+license="GPLv3+"
+depends=""
+depends_dev="glib-dev fts-dev libcap-dev libexecinfo-dev linux-headers musl-dev"
+makedepends="$depends_dev autoconf automake file libtool"
+subpackages="$pkgname-doc $pkgname-dev"
+source="$pkgname-$pkgver.tar.gz::https://github.com/xaionaro/$pkgname/archive/v$pkgver.tar.gz
+	musl-fix.patch
+	pthread_setname_np.patch"
+builddir="$srcdir/$pkgname-$pkgver"
+
+prepare() {
+	default_prepare || return 1
+
+	cd "$builddir"
+	autoreconf -i && ./configure
+}
+
+build() {
+	cd "$builddir"
+
+	./configure \
+		CFLAGS="$CFLAGS -lfts -lexecinfo" \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		--mandir=/usr/share/man \
+		--localstatedir=/var \
+		--enable-capabilities \
+		--enable-seccomp \
+		--disable-debug \
+		|| return 1
+	make || return 1
+}
+
+package() {
+	cd "$builddir"
+
+	make DESTDIR="$pkgdir" install || return 1
+	rm "$pkgdir"/usr/bin/gencompilerflags
+}
+
+md5sums="1167b1a3779ac9ce23c3a65091551654  clsync-0.4.2.tar.gz
+6d601e7ddcd6b04b1da8db8954d958b3  musl-fix.patch
+da964d1b6cb2471b6f46b7099cf8401b  pthread_setname_np.patch"
+sha256sums="1af63b86c1d0bd663311f2129792446dc8fc4def5559f76658b51b69a8d0c3bd  clsync-0.4.2.tar.gz
+73c9edc647c1ccec782a24fc1cebde9061087afb92768c18617740c37acf8fc7  musl-fix.patch
+e26d72e1ebc25f9b38ffcec3ced6b37ef5fe5da5825947856b2a3fab0821d86a  pthread_setname_np.patch"
+sha512sums="d14a2efc4bf58d9d5c7a3fe5634cacdd182cd7cd814b0e9ebd99024a7282b056d1f7ceeec6903666391c3572d599a18e205af818b098ed7768d5c0e0f4cd1200  clsync-0.4.2.tar.gz
+98e81408911731f6e203368094ea0e9eda312648eef8c5beec98b13c6ee43bccee59f0777805bea4d26cbe4e964d2ff95fe863be5be7750b50358d213f106542  musl-fix.patch
+da65cfb7182fa1509c77d7da43132c1f8b4911acb819d90aaab88c78d35167c85c0f23259bb78983fdab8217c43ba93b6b21267ab96c7fdf4723878a800fe414  pthread_setname_np.patch"

testing/clsync/musl-fix.patch

+musl declares lstat64 only for GNU compatibility using macro
+`#define lstat64 lstat`. Local variable lstat in mon_gio overrides
+global function lstat from sys/stat.h.
+
+Upstream issue: https://github.com/xaionaro/clsync/issues/150
+--- a/mon_gio.c
++++ b/mon_gio.c
+@@ -305,18 +305,18 @@
+ 	count = 0;
+ 	while (gio_wait(ctx_p, indexes_p, &tv)) {
+ 		event_t *ev = event_pop();
+-		stat64_t lstat, *lstat_p;
++		stat64_t _lstat, *lstat_p;
+ 		mode_t st_mode;
+ 		size_t st_size;
+-		if ((ev->objtype_new == EOT_DOESNTEXIST) || (ctx_p->flags[CANCEL_SYSCALLS]&CSC_MON_STAT) || lstat64(ev->path, &lstat)) {
+-			debug(2, "Cannot lstat64(\"%s\", lstat). Seems, that the object had been deleted (%i) or option \"--cancel-syscalls mon_stat\" (%i) is set.", ev->path, ev->objtype_new == EOT_DOESNTEXIST, ctx_p->flags[CANCEL_SYSCALLS]&CSC_MON_STAT);
++		if ((ev->objtype_new == EOT_DOESNTEXIST) || (ctx_p->flags[CANCEL_SYSCALLS]&CSC_MON_STAT) || lstat64(ev->path, &_lstat)) {
++			debug(2, "Cannot lstat64(\"%s\", _lstat). Seems, that the object had been deleted (%i) or option \"--cancel-syscalls mon_stat\" (%i) is set.", ev->path, ev->objtype_new == EOT_DOESNTEXIST, ctx_p->flags[CANCEL_SYSCALLS]&CSC_MON_STAT);
+ 			st_mode = (ev->objtype_event == EOT_DIR ? S_IFDIR : S_IFREG);
+ 			st_size = 0;
+ 			lstat_p = NULL;
+ 		} else {
+-			st_mode = lstat.st_mode;
+-			st_size = lstat.st_size;
+-			lstat_p = &lstat;
++			st_mode = _lstat.st_mode;
++			st_size = _lstat.st_size;
++			lstat_p = &_lstat;
+ 		}
+ 
+ 		if (sync_prequeue_loadmark(1, ctx_p, indexes_p, NULL, ev->path, lstat_p, ev->objtype_old, ev->objtype_new, ev->event_id, ev->handle_id, st_mode, st_size, &path_full, &path_full_len, NULL)) {

testing/clsync/pthread_setname_np.patch

+pthread_setname_np is a glibc extension not defined in POSIX
+and is not supported by musl libc.
+--- a/privileged.c
++++ b/privileged.c
+@@ -920,7 +920,7 @@
+ # endif
+ 	} else {
+ 		register_blockthread();
+-		pthread_setname_np(pthread_self(), "clsync-helper");
++		//pthread_setname_np(pthread_self(), "clsync-helper");
+ 	}
+ 	cap_drop(ctx_p, ctx_p->caps);
+