diff options
Diffstat (limited to 'Documentation/git-fsck.txt')
| -rw-r--r-- | Documentation/git-fsck.txt | 66 |
1 files changed, 31 insertions, 35 deletions
diff --git a/Documentation/git-fsck.txt b/Documentation/git-fsck.txt index 3ad48a6336..84ee92e158 100644 --- a/Documentation/git-fsck.txt +++ b/Documentation/git-fsck.txt @@ -10,7 +10,8 @@ SYNOPSIS -------- [verse] 'git fsck' [--tags] [--root] [--unreachable] [--cache] [--no-reflogs] - [--[no-]full] [--strict] [--verbose] [--lost-found] [<object>*] + [--[no-]full] [--strict] [--verbose] [--lost-found] + [--[no-]dangling] [--[no-]progress] [--connectivity-only] [<object>*] DESCRIPTION ----------- @@ -22,13 +23,17 @@ OPTIONS An object to treat as the head of an unreachability trace. + If no objects are given, 'git fsck' defaults to using the -index file, all SHA1 references in .git/refs/*, and all reflogs (unless ---no-reflogs is given) as heads. +index file, all SHA-1 references in `refs` namespace, and all reflogs +(unless --no-reflogs is given) as heads. --unreachable:: - Print out objects that exist but that aren't readable from any + Print out objects that exist but that aren't reachable from any of the reference nodes. +--[no-]dangling:: + Print objects that exist but that are never 'directly' used (default). + `--no-dangling` can be used to omit this information from the output. + --root:: Report root nodes. @@ -50,16 +55,21 @@ index file, all SHA1 references in .git/refs/*, and all reflogs (unless ($GIT_DIR/objects), but also the ones found in alternate object pools listed in GIT_ALTERNATE_OBJECT_DIRECTORIES or $GIT_DIR/objects/info/alternates, - and in packed git archives found in $GIT_DIR/objects/pack + and in packed Git archives found in $GIT_DIR/objects/pack and corresponding pack subdirectories in alternate object pools. This is now default; you can turn it off with --no-full. +--connectivity-only:: + Check only the connectivity of tags, commits and tree objects. By + avoiding to unpack blobs, this speeds up the operation, at the + expense of missing corrupt objects or other problematic issues. + --strict:: Enable more strict checking, namely to catch a file mode recorded with g+w bit set, which was created by older - versions of git. Existing repositories, including the - Linux kernel, git itself, and sparse repository have old + versions of Git. Existing repositories, including the + Linux kernel, Git itself, and sparse repository have old objects that triggers this check, but it is recommended to check new projects with this flag. @@ -72,30 +82,27 @@ index file, all SHA1 references in .git/refs/*, and all reflogs (unless a blob, the contents are written into the file, rather than its object name. -It tests SHA1 and general object sanity, and it does full tracking of -the resulting reachability and everything else. It prints out any -corruption it finds (missing or bad objects), and if you use the -'--unreachable' flag it will also print out objects that exist but -that aren't readable from any of the specified head nodes. +--[no-]progress:: + Progress status is reported on the standard error stream by + default when it is attached to a terminal, unless + --no-progress or --verbose is specified. --progress forces + progress status even if the standard error stream is not + directed to a terminal. -So for example +DISCUSSION +---------- - git fsck --unreachable HEAD \ - $(git for-each-ref --format="%(objectname)" refs/heads) - -will do quite a _lot_ of verification on the tree. There are a few -extra validity tests to be added (make sure that tree objects are -sorted properly etc), but on the whole if 'git fsck' is happy, you -do have a valid tree. +git-fsck tests SHA-1 and general object sanity, and it does full tracking +of the resulting reachability and everything else. It prints out any +corruption it finds (missing or bad objects), and if you use the +'--unreachable' flag it will also print out objects that exist but that +aren't reachable from any of the specified head nodes (or the default +set, as mentioned above). Any corrupt objects you will have to find in backups or other archives (i.e., you can just remove them and do an 'rsync' with some other site in the hopes that somebody else has the object you have corrupted). -Of course, "valid tree" doesn't mean that it wasn't generated by some -evil person, and the end result might be crap. git is a revision -tracking system, not a quality assurance system ;) - Extracted Diagnostics --------------------- @@ -123,9 +130,6 @@ dangling <type> <object>:: The <type> object <object>, is present in the database but never 'directly' used. A dangling commit could be a root node. -warning: git-fsck: tree <tree> has full pathnames in it:: - And it shouldn't... - sha1 mismatch <object>:: The database has an object who's sha1 doesn't match the database value. @@ -143,14 +147,6 @@ GIT_INDEX_FILE:: GIT_ALTERNATE_OBJECT_DIRECTORIES:: used to specify additional object database roots (usually unset) -Author ------- -Written by Linus Torvalds <torvalds@osdl.org> - -Documentation --------------- -Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>. - GIT --- Part of the linkgit:git[1] suite |