These debug commands allow the command line user to read or write
the dircache, to exercise the code, and test it against C Git.
Signed-off-by: Shawn O. Pearce <spearce@xxxxxxxxxxx>
---
.../services/org.spearce.jgit.pgm.TextBuiltin | 5 ++
.../org/spearce/jgit/pgm/debug/MakeCacheTree.java | 67 ++++++++++++++++++
.../org/spearce/jgit/pgm/debug/ReadDirCache.java | 53 ++++++++++++++
.../org/spearce/jgit/pgm/debug/ShowCacheTree.java | 69 +++++++++++++++++++
.../org/spearce/jgit/pgm/debug/ShowDirCache.java | 72 ++++++++++++++++++++
.../org/spearce/jgit/pgm/debug/WriteDirCache.java | 54 +++++++++++++++
6 files changed, 320 insertions(+), 0 deletions(-)
create mode 100644 org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/MakeCacheTree.java
create mode 100644 org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ReadDirCache.java
create mode 100644 org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ShowCacheTree.java
create mode 100644 org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ShowDirCache.java
create mode 100644 org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/WriteDirCache.java
diff --git a/org.spearce.jgit.pgm/src/META-INF/services/org.spearce.jgit.pgm.TextBuiltin b/org.spearce.jgit.pgm/src/META-INF/services/org.spearce.jgit.pgm.TextBuiltin
index 734de3d..8ff815a 100644
--- a/org.spearce.jgit.pgm/src/META-INF/services/org.spearce.jgit.pgm.TextBuiltin
+++ b/org.spearce.jgit.pgm/src/META-INF/services/org.spearce.jgit.pgm.TextBuiltin
@@ -12,4 +12,9 @@ org.spearce.jgit.pgm.RevList
org.spearce.jgit.pgm.ShowRev
org.spearce.jgit.pgm.Tag
+org.spearce.jgit.pgm.debug.MakeCacheTree
+org.spearce.jgit.pgm.debug.ReadDirCache
+org.spearce.jgit.pgm.debug.ShowCacheTree
org.spearce.jgit.pgm.debug.ShowCommands
+org.spearce.jgit.pgm.debug.ShowDirCache
+org.spearce.jgit.pgm.debug.WriteDirCache
diff --git a/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/MakeCacheTree.java b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/MakeCacheTree.java
new file mode 100644
index 0000000..a7d7438
--- /dev/null
+++ b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/MakeCacheTree.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@xxxxxxxxxxx>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.spearce.jgit.pgm.debug;
+
+import org.spearce.jgit.dircache.DirCache;
+import org.spearce.jgit.dircache.DirCacheTree;
+import org.spearce.jgit.pgm.TextBuiltin;
+
+class MakeCacheTree extends TextBuiltin {
+ @Override
+ protected void run() throws Exception {
+ final DirCache cache = DirCache.read(db);
+ final DirCacheTree tree = cache.getCacheTree(true);
+ show(tree);
+ }
+
+ private void show(final DirCacheTree tree) {
+ out.print("\"");
+ out.print(tree.getPathString());
+ out.print("\"");
+ out.print(": ");
+ out.print(tree.getEntrySpan());
+ out.print(" entries");
+ out.print(", ");
+ out.print(tree.getChildCount());
+ out.print(" children");
+ out.println();
+
+ for (int i = 0; i < tree.getChildCount(); i++)
+ show(tree.getChild(i));
+ }
+}
diff --git a/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ReadDirCache.java b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ReadDirCache.java
new file mode 100644
index 0000000..d92a9fd
--- /dev/null
+++ b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ReadDirCache.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@xxxxxxxxxxx>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.spearce.jgit.pgm.debug;
+
+import org.spearce.jgit.dircache.DirCache;
+import org.spearce.jgit.pgm.TextBuiltin;
+
+class ReadDirCache extends TextBuiltin {
+ @Override
+ protected void run() throws Exception {
+ final int cnt = 100;
+ final long start = System.currentTimeMillis();
+ for (int i = 0; i < cnt; i++)
+ DirCache.read(db);
+ final long end = System.currentTimeMillis();
+ out.println(" average " + ((end - start) / cnt) + " ms/read");
+ }
+}
diff --git a/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ShowCacheTree.java b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ShowCacheTree.java
new file mode 100644
index 0000000..0683fa7
--- /dev/null
+++ b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ShowCacheTree.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@xxxxxxxxxxx>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.spearce.jgit.pgm.debug;
+
+import org.spearce.jgit.dircache.DirCache;
+import org.spearce.jgit.dircache.DirCacheTree;
+import org.spearce.jgit.pgm.TextBuiltin;
+
+class ShowCacheTree extends TextBuiltin {
+ @Override
+ protected void run() throws Exception {
+ final DirCache cache = DirCache.read(db);
+ final DirCacheTree tree = cache.getCacheTree(false);
+ if (tree == null)
+ throw die("no 'TREE' section in index");
+ show(tree);
+ }
+
+ private void show(final DirCacheTree tree) {
+ out.print("\"");
+ out.print(tree.getPathString());
+ out.print("\"");
+ out.print(": ");
+ out.print(tree.getEntrySpan());
+ out.print(" entries");
+ out.print(", ");
+ out.print(tree.getChildCount());
+ out.print(" children");
+ out.println();
+
+ for (int i = 0; i < tree.getChildCount(); i++)
+ show(tree.getChild(i));
+ }
+}
diff --git a/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ShowDirCache.java b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ShowDirCache.java
new file mode 100644
index 0000000..0822503
--- /dev/null
+++ b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/ShowDirCache.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@xxxxxxxxxxx>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.spearce.jgit.pgm.debug;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.spearce.jgit.dircache.DirCache;
+import org.spearce.jgit.dircache.DirCacheEntry;
+import org.spearce.jgit.lib.FileMode;
+import org.spearce.jgit.pgm.TextBuiltin;
+
+class ShowDirCache extends TextBuiltin {
+ @Override
+ protected void run() throws Exception {
+ final SimpleDateFormat fmt;
+ fmt = new SimpleDateFormat("yyyyMMdd,HHmmss.SSS");
+
+ final DirCache cache = DirCache.read(db);
+ for (int i = 0; i < cache.getEntryCount(); i++) {
+ final DirCacheEntry ent = cache.getEntry(i);
+ final FileMode mode = FileMode.fromBits(ent.getRawMode());
+ final int len = ent.getLength();
+ final Date mtime = new Date(ent.getLastModified());
+
+ out.print(mode);
+ out.format(" %6d", len);
+ out.print(' ');
+ out.print(fmt.format(mtime));
+ out.print(' ');
+ out.print(ent.getObjectId());
+ out.print('\t');
+ out.print(ent.getPathString());
+ out.println();
+ }
+ }
+}
diff --git a/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/WriteDirCache.java b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/WriteDirCache.java
new file mode 100644
index 0000000..a613cbe
--- /dev/null
+++ b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/debug/WriteDirCache.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@xxxxxxxxxxx>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.spearce.jgit.pgm.debug;
+
+import org.spearce.jgit.dircache.DirCache;
+import org.spearce.jgit.pgm.TextBuiltin;
+
+class WriteDirCache extends TextBuiltin {
+ @Override
+ protected void run() throws Exception {
+ final DirCache cache = DirCache.read(db);
+ if (!cache.lock())
+ throw die("failed to lock index");
+ cache.read();
+ cache.write();
+ if (!cache.commit())
+ throw die("failed to commit index");
+ }
+}
--
1.6.0.rc2.22.g71b99
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