iAdd root dir option - dedup - deduplicating backup program	Err	bitreich.org	70
hgit clone git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/	URL:git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/	bitreich.org	70
1Log	/scm/dedup/log.gph	bitreich.org	70
1Files	/scm/dedup/files.gph	bitreich.org	70
1Refs	/scm/dedup/refs.gph	bitreich.org	70
1Tags	/scm/dedup/tag	bitreich.org	70
1README	/scm/dedup/file/README.gph	bitreich.org	70
1LICENSE	/scm/dedup/file/LICENSE.gph	bitreich.org	70
i---	Err	bitreich.org	70
1commit 367928d1742c6f7b12720e6c60a9292e6b708c7c	/scm/dedup/commit/367928d1742c6f7b12720e6c60a9292e6b708c7c.gph	bitreich.org	70
1parent 34990ad2e3066a5fd23cebc22b997dff63ac272a	/scm/dedup/commit/34990ad2e3066a5fd23cebc22b997dff63ac272a.gph	bitreich.org	70
hAuthor: sin <sin@2f30.org>	URL:mailto:sin@2f30.org	bitreich.org	70
iDate:   Wed, 21 Mar 2018 16:08:11 +0000	Err	bitreich.org	70
i	Err	bitreich.org	70
iAdd root dir option	Err	bitreich.org	70
i	Err	bitreich.org	70
iThanks lostd!	Err	bitreich.org	70
i	Err	bitreich.org	70
iDiffstat:	Err	bitreich.org	70
i  M README                              |      18 +++++++++---------	Err	bitreich.org	70
i  M dedup.c                             |      12 ++++++++++--	Err	bitreich.org	70
i	Err	bitreich.org	70
i2 files changed, 19 insertions(+), 11 deletions(-)	Err	bitreich.org	70
i---	Err	bitreich.org	70
1diff --git a/README b/README	/scm/dedup/file/README.gph	bitreich.org	70
i@@ -4,29 +4,29 @@ used in a pipeline with tar/gpg etc.	Err	bitreich.org	70
i dedup only handles a single file at a time, so using tar is advised.	Err	bitreich.org	70
i For example, to dedup a tar file you can invoke dedup as follows:	Err	bitreich.org	70
i 	Err	bitreich.org	70
i-    tar cf - ~/bak | dedup	Err	bitreich.org	70
i+    tar cf - ~/bak | dedup -r ~/bak-dedup	Err	bitreich.org	70
i 	Err	bitreich.org	70
i-This will create .{cache,index,store} files in the current directory.	Err	bitreich.org	70
i-The store file contains all the unique blocks.  The index file	Err	bitreich.org	70
i-contains all the revisions of files that have been deduplicated.  Each	Err	bitreich.org	70
i-revision is identified by its SHA256 hash.  The cache file is only	Err	bitreich.org	70
i-used to speed up block comparison.	Err	bitreich.org	70
i+This will create .{cache,index,store} files in the ~/bak-dedup	Err	bitreich.org	70
i+directory.  The store file contains all the unique blocks.  The index	Err	bitreich.org	70
i+file contains all the revisions of files that have been deduplicated.	Err	bitreich.org	70
i+Each revision is identified by its SHA256 hash.  The cache file is	Err	bitreich.org	70
i+only used to speed up block comparison.	Err	bitreich.org	70
i 	Err	bitreich.org	70
i To list all known revisions run:	Err	bitreich.org	70
i 	Err	bitreich.org	70
i-    dedup -l	Err	bitreich.org	70
i+    dedup -r ~/bak-dedup -l	Err	bitreich.org	70
i 	Err	bitreich.org	70
i You will get a list of hashes.  Each hash corresponds to a single file	Err	bitreich.org	70
i (in this case, a tar archive).	Err	bitreich.org	70
i 	Err	bitreich.org	70
i To extract a file from the deduplicated store run:	Err	bitreich.org	70
i 	Err	bitreich.org	70
i-    dedup -e <hash> > bak.tar	Err	bitreich.org	70
i+    dedup -r ~/bak-dedup -e <hash> > bak.tar	Err	bitreich.org	70
i 	Err	bitreich.org	70
i You can mix dedup with other programs like gpg(1).  For example to	Err	bitreich.org	70
i perform a remote backup you can use the following command:	Err	bitreich.org	70
i 	Err	bitreich.org	70
i-    tar cf - ~/bak | gpg -c | ssh user@host dedup	Err	bitreich.org	70
i+    tar cf - ~/bak | gpg -c | ssh user@host dedup -r ~/bak-dedup	Err	bitreich.org	70
i 	Err	bitreich.org	70
i Cheers,	Err	bitreich.org	70
i sin	Err	bitreich.org	70
1diff --git a/dedup.c b/dedup.c	/scm/dedup/file/dedup.c.gph	bitreich.org	70
i@@ -519,14 +519,14 @@ term(void)	Err	bitreich.org	70
i void	Err	bitreich.org	70
i usage(void)	Err	bitreich.org	70
i {	Err	bitreich.org	70
i-        fprintf(stderr, "usage: %s [-clv] [-e id] [file]\n", argv0);	Err	bitreich.org	70
i+        fprintf(stderr, "usage: %s [-clv] [-e id] [-r root] [file]\n", argv0);	Err	bitreich.org	70
i         exit(1);	Err	bitreich.org	70
i }	Err	bitreich.org	70
i 	Err	bitreich.org	70
i int	Err	bitreich.org	70
i main(int argc, char *argv[])	Err	bitreich.org	70
i {	Err	bitreich.org	70
i-        char *id = NULL;	Err	bitreich.org	70
i+        char *id = NULL, *root = NULL;	Err	bitreich.org	70
i         int fd = -1, lflag = 0, cflag = 0;	Err	bitreich.org	70
i 	Err	bitreich.org	70
i         ARGBEGIN {	Err	bitreich.org	70
i@@ -539,6 +539,9 @@ main(int argc, char *argv[])	Err	bitreich.org	70
i         case 'l':	Err	bitreich.org	70
i                 lflag = 1;	Err	bitreich.org	70
i                 break;	Err	bitreich.org	70
i+        case 'r':	Err	bitreich.org	70
i+                root = EARGF(usage());	Err	bitreich.org	70
i+                break;	Err	bitreich.org	70
i         case 'v':	Err	bitreich.org	70
i                 verbose = 1;	Err	bitreich.org	70
i                 break;	Err	bitreich.org	70
i@@ -549,6 +552,11 @@ main(int argc, char *argv[])	Err	bitreich.org	70
i         if (argc > 1)	Err	bitreich.org	70
i                 usage();	Err	bitreich.org	70
i 	Err	bitreich.org	70
i+        if (root != NULL) {	Err	bitreich.org	70
i+                mkdir(root, 0700);	Err	bitreich.org	70
i+                chdir(root);	Err	bitreich.org	70
i+        }	Err	bitreich.org	70
i+	Err	bitreich.org	70
i         init();	Err	bitreich.org	70
i 	Err	bitreich.org	70
i         if (cflag) {	Err	bitreich.org	70
.