From 89e687de8bc635ff73b002b2ab494b0d88e13f10 Mon Sep 17 00:00:00 2001
From: Tharre <tharre3@gmail.com>
Date: Sat, 16 Aug 2014 01:07:03 +0200
Subject: Add redo-ifcreate (and add redo-always properly)

---
 .gitignore           |  1 +
 Redofile             | 22 +++++++++++++---------
 build.sh             |  4 +++-
 out/redo-ifcreate.do |  5 +++++
 src/redo-ifcreate.c  | 17 +++++++++++++++++
 5 files changed, 39 insertions(+), 10 deletions(-)
 create mode 100644 out/redo-ifcreate.do
 create mode 100644 src/redo-ifcreate.c

diff --git a/.gitignore b/.gitignore
index c6164a3..7fa7159 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 out/*.o
 out/redo
 out/redo-ifchange
+out/redo-ifcreate
 out/redo-always
 out/CC
 .redo
diff --git a/Redofile b/Redofile
index a1bdd41..ab241f9 100644
--- a/Redofile
+++ b/Redofile
@@ -8,15 +8,19 @@ export VERSION="pre-0.01"
 DESTDIR=${DESTDIR-/usr/bin}
 
 if [ "$1" = "all" ]; then
-	redo-ifchange $OUTDIR/redo $OUTDIR/redo-ifchange
+    redo-ifchange $OUTDIR/redo $OUTDIR/redo-ifchange $OUTDIR/redo-ifcreate \
+                  $OUTDIR/redo-always
 elif [ "$1" = "clean" ]; then
-	rm -rf $OUTDIR/*.tmp $OUTDIR/*.o $OUTDIR/redo $OUTDIR/redo-ifchange $OUTDIR/CC
-	# autoconf stuff
-	rm -rf autom4te.cache config.h.in configure config.status config.log config.h
+    rm -rf $OUTDIR/*.tmp $OUTDIR/*.o $OUTDIR/redo $OUTDIR/redo-ifchange \
+           $OUTDIR/redo-ifcreate $OUTDIR/redo-always $OUTDIR/CC
+    # autoconf stuff
+    rm -rf autom4te.cache config.h.in configure config.status config.log config.h
 elif [ "$1" = "install" ]; then
-	redo-ifchange all
-	mkdir -p $DESTDIR
-	install $OUTDIR/redo $DESTDIR
-	install $OUTDIR/redo-ifchange $DESTDIR
-	echo "Finished installing."
+    redo-ifchange all
+    mkdir -p $DESTDIR
+    install $OUTDIR/redo $DESTDIR
+    install $OUTDIR/redo-ifchange $DESTDIR
+    install $OUTDIR/redo-ifcreate $DESTDIR
+    install $OUTDIR/redo-always $DESTDIR
+    echo "Finished installing."
 fi
diff --git a/build.sh b/build.sh
index aeb1f60..1bee8a1 100755
--- a/build.sh
+++ b/build.sh
@@ -6,12 +6,14 @@ $CC $CFLAGS -o out/build.o -c src/build.c
 $CC $CFLAGS -o out/filepath.o -c src/filepath.c
 $CC $CFLAGS -o out/redo.o -c src/redo.c
 $CC $CFLAGS -o out/redo-ifchange.o -c src/redo-ifchange.c
+$CC $CFLAGS -o out/redo-ifcreate.o -c src/redo-ifcreate.c
 $CC $CFLAGS -o out/redo-always.o -c src/redo-always.c
 $CC -o out/redo out/redo.o out/util.o out/build.o out/filepath.o $LDFLAGS
 $CC -o out/redo-ifchange out/redo-ifchange.o out/util.o out/build.o out/filepath.o $LDFLAGS
+$CC -o out/redo-ifcreate out/redo-ifcreate.o out/util.o out/build.o out/filepath.o $LDFLAGS
 $CC -o out/redo-always out/redo-always.o out/util.o out/build.o out/filepath.o $LDFLAGS
 
 # TODO: just for convenience, should be removed as soon as redo can build itself
-sudo install out/redo out/redo-ifchange out/redo-always /usr/bin/
+sudo install out/redo out/redo-ifchange out/redo-ifcreate out/redo-always /usr/bin/
 
 echo "Finished compiling"
diff --git a/out/redo-ifcreate.do b/out/redo-ifcreate.do
new file mode 100644
index 0000000..4ab8f85
--- /dev/null
+++ b/out/redo-ifcreate.do
@@ -0,0 +1,5 @@
+. ./config.sh
+
+DEPS="redo-ifcreate.o build.o util.o filepath.o"
+redo-ifchange $DEPS config.sh
+$CC -o $3 $DEPS $LDFLAGS
diff --git a/src/redo-ifcreate.c b/src/redo-ifcreate.c
new file mode 100644
index 0000000..71c9a22
--- /dev/null
+++ b/src/redo-ifcreate.c
@@ -0,0 +1,17 @@
+/* redo-ifcreate.c
+ *
+ * Copyright (c) 2014 Tharre
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+#include "build.h"
+
+int main(int argc, char *argv[]) {
+    for (int i = 1; i < argc; ++i) {
+        if (has_changed(argv[i], 'e', false))
+            build_target(argv[i]);
+        add_dep(argv[i], 'e');
+    }
+}
-- 
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