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author | Junio C Hamano <gitster@pobox.com> | 2013-04-21 18:40:15 -0700 |
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committer | Junio C Hamano <gitster@pobox.com> | 2013-04-21 18:40:15 -0700 |
commit | ad77690fe400d91d3da97e16c07f1a8591b19b99 (patch) | |
tree | 6b6264e1b76b1afc438856473ca45ad052a99b0c | |
parent | c6c4d616739b531b5689b78fbcb2c89d14e70a4f (diff) | |
parent | 57148ebb30fd7ed72acf7b3fc6f59d7cf2d94643 (diff) | |
download | git-ad77690fe400d91d3da97e16c07f1a8591b19b99.tar.gz git-ad77690fe400d91d3da97e16c07f1a8591b19b99.tar.xz |
Merge branch 'ta/glossary'
* ta/glossary:
glossary: improve definitions of refspec and pathspec
The name of the hash function is "SHA-1", not "SHA1"
glossary: improve description of SHA-1 related topics
glossary: remove outdated/misleading/irrelevant entries
32 files changed, 89 insertions, 111 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index 29559c88a..c67038b56 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -412,7 +412,7 @@ repository's usual working tree). core.logAllRefUpdates:: Enable the reflog. Updates to a ref <ref> is logged to the file "$GIT_DIR/logs/<ref>", by appending the new and old - SHA1, the date/time and the reason of the update, but + SHA-1, the date/time and the reason of the update, but only when the file exists. If this configuration variable is set to true, missing "$GIT_DIR/logs/<ref>" file is automatically created for branch heads (i.e. under diff --git a/Documentation/git-cat-file.txt b/Documentation/git-cat-file.txt index 2fb95bbd1..30d585af5 100644 --- a/Documentation/git-cat-file.txt +++ b/Documentation/git-cat-file.txt @@ -20,7 +20,7 @@ object type, or '-s' is used to find the object size, or '--textconv' is used (which implies type "blob"). In the second form, a list of objects (separated by linefeeds) is provided on -stdin, and the SHA1, type, and size of each object is printed on stdout. +stdin, and the SHA-1, type, and size of each object is printed on stdout. OPTIONS ------- @@ -58,11 +58,11 @@ OPTIONS to apply the filter to the content recorded in the index at <path>. --batch:: - Print the SHA1, type, size, and contents of each object provided on + Print the SHA-1, type, size, and contents of each object provided on stdin. May not be combined with any other options or arguments. --batch-check:: - Print the SHA1, type, and size of each object provided on stdin. May not + Print the SHA-1, type, and size of each object provided on stdin. May not be combined with any other options or arguments. OUTPUT diff --git a/Documentation/git-describe.txt b/Documentation/git-describe.txt index 3c81e85ec..28e5ec0e2 100644 --- a/Documentation/git-describe.txt +++ b/Documentation/git-describe.txt @@ -149,7 +149,7 @@ is found, its name will be output and searching will stop. If an exact match was not found, 'git describe' will walk back through the commit history to locate an ancestor commit which has been tagged. The ancestor's tag will be output along with an -abbreviation of the input committish's SHA1. +abbreviation of the input committish's SHA-1. If multiple tags were found during the walk then the tag which has the fewest commits different from the input committish will be diff --git a/Documentation/git-fsck.txt b/Documentation/git-fsck.txt index eff91889d..e5878bd97 100644 --- a/Documentation/git-fsck.txt +++ b/Documentation/git-fsck.txt @@ -23,7 +23,7 @@ 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 `refs` namespace, and all reflogs +index file, all SHA-1 references in `refs` namespace, and all reflogs (unless --no-reflogs is given) as heads. --unreachable:: @@ -89,7 +89,7 @@ index file, all SHA1 references in `refs` namespace, and all reflogs DISCUSSION ---------- -git-fsck tests SHA1 and general object sanity, and it does full tracking +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 diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt index 36adc5fc1..bde8eec30 100644 --- a/Documentation/git-index-pack.txt +++ b/Documentation/git-index-pack.txt @@ -89,7 +89,7 @@ Note ---- Once the index has been created, the list of object names is sorted -and the SHA1 hash of that list is printed to stdout. If --stdin was +and the SHA-1 hash of that list is printed to stdout. If --stdin was also used then this is prefixed by either "pack\t", or "keep\t" if a new .keep file was successfully created. This is useful to remove a .keep file used as a lock to prevent the race with 'git repack' diff --git a/Documentation/git-ls-files.txt b/Documentation/git-ls-files.txt index 0bdebff6f..c0856a6e0 100644 --- a/Documentation/git-ls-files.txt +++ b/Documentation/git-ls-files.txt @@ -164,7 +164,7 @@ which case it outputs: 'git ls-files --unmerged' and 'git ls-files --stage' can be used to examine detailed information on unmerged paths. -For an unmerged path, instead of recording a single mode/SHA1 pair, +For an unmerged path, instead of recording a single mode/SHA-1 pair, the index records up to three such pairs; one from tree O in stage 1, A in stage 2, and B in stage 3. This information can be used by the user (or the porcelain) to see what should eventually be recorded at the diff --git a/Documentation/git-merge-index.txt b/Documentation/git-merge-index.txt index 0c80cec0e..02676fb39 100644 --- a/Documentation/git-merge-index.txt +++ b/Documentation/git-merge-index.txt @@ -14,7 +14,7 @@ SYNOPSIS DESCRIPTION ----------- This looks up the <file>(s) in the index and, if there are any merge -entries, passes the SHA1 hash for those files as arguments 1, 2, 3 (empty +entries, passes the SHA-1 hash for those files as arguments 1, 2, 3 (empty argument if no file), and <file> as argument 4. File modes for the three files are passed as arguments 5, 6 and 7. diff --git a/Documentation/git-pack-objects.txt b/Documentation/git-pack-objects.txt index 69c9313cf..d94edcd4b 100644 --- a/Documentation/git-pack-objects.txt +++ b/Documentation/git-pack-objects.txt @@ -50,7 +50,7 @@ base-name:: Write into a pair of files (.pack and .idx), using <base-name> to determine the name of the created file. When this option is used, the two files are written in - <base-name>-<SHA1>.{pack,idx} files. <SHA1> is a hash + <base-name>-<SHA-1>.{pack,idx} files. <SHA-1> is a hash of the sorted object names to make the resulting filename based on the pack content, and written to the standard output of the command. diff --git a/Documentation/git-patch-id.txt b/Documentation/git-patch-id.txt index 90268f02e..312c3b1fe 100644 --- a/Documentation/git-patch-id.txt +++ b/Documentation/git-patch-id.txt @@ -12,7 +12,7 @@ SYNOPSIS DESCRIPTION ----------- -A "patch ID" is nothing but a SHA1 of the diff associated with a patch, with +A "patch ID" is nothing but a SHA-1 of the diff associated with a patch, with whitespace and line numbers ignored. As such, it's "reasonably stable", but at the same time also reasonably unique, i.e., two patches that have the same "patch ID" are almost guaranteed to be the same thing. diff --git a/Documentation/git-replace.txt b/Documentation/git-replace.txt index 0142cd18a..e0b405797 100644 --- a/Documentation/git-replace.txt +++ b/Documentation/git-replace.txt @@ -16,8 +16,8 @@ DESCRIPTION ----------- Adds a 'replace' reference in `refs/replace/` namespace. -The name of the 'replace' reference is the SHA1 of the object that is -replaced. The content of the 'replace' reference is the SHA1 of the +The name of the 'replace' reference is the SHA-1 of the object that is +replaced. The content of the 'replace' reference is the SHA-1 of the replacement object. Unless `-f` is given, the 'replace' reference must not yet exist. diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index 1f9ed6cfd..947d62fd2 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -95,7 +95,7 @@ can be used. one. --symbolic:: - Usually the object names are output in SHA1 form (with + Usually the object names are output in SHA-1 form (with possible '{caret}' prefix); this option makes them output in a form as close to the original input as possible. @@ -180,7 +180,7 @@ print a message to stderr and exit with nonzero status. --short:: --short=number:: - Instead of outputting the full SHA1 values of object names try to + Instead of outputting the full SHA-1 values of object names try to abbreviate them to a shorter unique name. When no length is specified 7 is used. The minimum length is 4. diff --git a/Documentation/git-show-branch.txt b/Documentation/git-show-branch.txt index a8e77b535..a515648ab 100644 --- a/Documentation/git-show-branch.txt +++ b/Documentation/git-show-branch.txt @@ -31,7 +31,7 @@ no <rev> nor <glob> is given on the command line. OPTIONS ------- <rev>:: - Arbitrary extended SHA1 expression (see linkgit:gitrevisions[7]) + Arbitrary extended SHA-1 expression (see linkgit:gitrevisions[7]) that typically names a branch head or a tag. <glob>:: @@ -142,7 +142,7 @@ displayed, indented N places. If a commit is on the I-th branch, the I-th indentation character shows a `+` sign; otherwise it shows a space. Merge commits are denoted by a `-` sign. Each commit shows a short name that -can be used as an extended SHA1 to name that commit. +can be used as an extended SHA-1 to name that commit. The following example shows three branches, "master", "fixes" and "mhf": diff --git a/Documentation/git-show-index.txt b/Documentation/git-show-index.txt index 9cbbed944..fbdc8adae 100644 --- a/Documentation/git-show-index.txt +++ b/Documentation/git-show-index.txt @@ -19,7 +19,7 @@ Reads given idx file for packed Git archive created with The information it outputs is subset of what you can get from 'git verify-pack -v'; this command only shows the packfile -offset and SHA1 of each object. +offset and SHA-1 of each object. GIT --- diff --git a/Documentation/git-show-ref.txt b/Documentation/git-show-ref.txt index 5dbcd47fe..de4d352da 100644 --- a/Documentation/git-show-ref.txt +++ b/Documentation/git-show-ref.txt @@ -50,8 +50,8 @@ OPTIONS -s:: --hash[=<n>]:: - Only show the SHA1 hash, not the reference name. When combined with - --dereference the dereferenced tag will still be shown after the SHA1. + Only show the SHA-1 hash, not the reference name. When combined with + --dereference the dereferenced tag will still be shown after the SHA-1. --verify:: diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt index b21aa87fe..22894cbee 100644 --- a/Documentation/git-tag.txt +++ b/Documentation/git-tag.txt @@ -33,7 +33,7 @@ in the tag message. If `-m <msg>` or `-F <file>` is given and `-a`, `-s`, and `-u <key-id>` are absent, `-a` is implied. -Otherwise just a tag reference for the SHA1 object name of the commit object is +Otherwise just a tag reference for the SHA-1 object name of the commit object is created (i.e. a lightweight tag). A GnuPG signed tag object will be created when `-s` or `-u diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt index c92775829..670e9fb2c 100644 --- a/Documentation/git-update-index.txt +++ b/Documentation/git-update-index.txt @@ -247,7 +247,7 @@ $ git update-index --index-info ------------ The first line of the input feeds 0 as the mode to remove the -path; the SHA1 does not matter as long as it is well formatted. +path; the SHA-1 does not matter as long as it is well formatted. Then the second and third line feeds stage 1 and stage 2 entries for that path. After the above, we would end up with this: diff --git a/Documentation/git-verify-pack.txt b/Documentation/git-verify-pack.txt index 0eb9ffbdd..526ba7be9 100644 --- a/Documentation/git-verify-pack.txt +++ b/Documentation/git-verify-pack.txt @@ -40,11 +40,11 @@ OUTPUT FORMAT ------------- When specifying the -v option the format used is: - SHA1 type size size-in-pack-file offset-in-packfile + SHA-1 type size size-in-pack-file offset-in-packfile for objects that are not deltified in the pack, and - SHA1 type size size-in-packfile offset-in-packfile depth base-SHA1 + SHA-1 type size size-in-packfile offset-in-packfile depth base-SHA-1 for objects that are deltified. diff --git a/Documentation/git-verify-tag.txt b/Documentation/git-verify-tag.txt index e996135be..f88ba96f0 100644 --- a/Documentation/git-verify-tag.txt +++ b/Documentation/git-verify-tag.txt @@ -21,7 +21,7 @@ OPTIONS Print the contents of the tag object before validating it. <tag>...:: - SHA1 identifiers of Git tag objects. + SHA-1 identifiers of Git tag objects. GIT --- diff --git a/Documentation/git.txt b/Documentation/git.txt index 6a875f2ad..807a13c80 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -741,7 +741,7 @@ where: <old|new>-file:: are files GIT_EXTERNAL_DIFF can use to read the contents of <old|new>, - <old|new>-hex:: are the 40-hexdigit SHA1 hashes, + <old|new>-hex:: are the 40-hexdigit SHA-1 hashes, <old|new>-mode:: are the octal representation of the file modes. + The file parameters can point at the user's working file @@ -864,7 +864,7 @@ The commit, equivalent to what other systems call a "changeset" or represents an immediately preceding step. Commits with more than one parent represent merges of independent lines of development. -All objects are named by the SHA1 hash of their contents, normally +All objects are named by the SHA-1 hash of their contents, normally written as a string of 40 hex digits. Such names are globally unique. The entire history leading up to a commit can be vouched for by signing just that commit. A fourth object type, the tag, is provided for this @@ -874,9 +874,9 @@ When first created, objects are stored in individual files, but for efficiency may later be compressed together into "pack files". Named pointers called refs mark interesting points in history. A ref -may contain the SHA1 name of an object or the name of another ref. Refs -with names beginning `ref/head/` contain the SHA1 name of the most -recent commit (or "head") of a branch under development. SHA1 names of +may contain the SHA-1 name of an object or the name of another ref. Refs +with names beginning `ref/head/` contain the SHA-1 name of the most +recent commit (or "head") of a branch under development. SHA-1 names of tags of interest are stored under `ref/tags/`. A special ref named `HEAD` contains the name of the currently checked-out branch. diff --git a/Documentation/gitcore-tutorial.txt b/Documentation/gitcore-tutorial.txt index 59c1c17cc..f538a870c 100644 --- a/Documentation/gitcore-tutorial.txt +++ b/Documentation/gitcore-tutorial.txt @@ -106,9 +106,9 @@ branch. A number of the Git tools will assume that `.git/HEAD` is valid, though. [NOTE] -An 'object' is identified by its 160-bit SHA1 hash, aka 'object name', +An 'object' is identified by its 160-bit SHA-1 hash, aka 'object name', and a reference to an object is always the 40-byte hex -representation of that SHA1 name. The files in the `refs` +representation of that SHA-1 name. The files in the `refs` subdirectory are expected to contain these hex references (usually with a final `\n` at the end), and you should thus expect to see a number of 41-byte files containing these @@ -763,7 +763,7 @@ already discussed, the `HEAD` branch is nothing but a symlink to one of these object pointers. You can at any time create a new branch by just picking an arbitrary -point in the project history, and just writing the SHA1 name of that +point in the project history, and just writing the SHA-1 name of that object into a file under `.git/refs/heads/`. You can use any filename you want (and indeed, subdirectories), but the convention is that the "normal" branch is called `master`. That's just a convention, though, @@ -1233,7 +1233,7 @@ file (the first tree goes to stage 1, the second to stage 2, etc.). After reading three trees into three stages, the paths that are the same in all three stages are 'collapsed' into stage 0. Also paths that are the same in two of three stages are -collapsed into stage 0, taking the SHA1 from either stage 2 or +collapsed into stage 0, taking the SHA-1 from either stage 2 or stage 3, whichever is different from stage 1 (i.e. only one side changed from the common ancestor). diff --git a/Documentation/gitdiffcore.txt b/Documentation/gitdiffcore.txt index 4ed71c76c..568d75783 100644 --- a/Documentation/gitdiffcore.txt +++ b/Documentation/gitdiffcore.txt @@ -108,7 +108,7 @@ it changes it to: For the purpose of breaking a filepair, diffcore-break examines the extent of changes between the contents of the files before and after modification (i.e. the contents that have "bcd1234..." -and "0123456..." as their SHA1 content ID, in the above +and "0123456..." as their SHA-1 content ID, in the above example). The amount of deletion of original contents and insertion of new material are added together, and if it exceeds the "break score", the filepair is broken into two. The break diff --git a/Documentation/githooks.txt b/Documentation/githooks.txt index dc6693fe4..d48bf4d6f 100644 --- a/Documentation/githooks.txt +++ b/Documentation/githooks.txt @@ -99,7 +99,7 @@ given); `template` (if a `-t` option was given or the configuration option `commit.template` is set); `merge` (if the commit is a merge or a `.git/MERGE_MSG` file exists); `squash` (if a `.git/SQUASH_MSG` file exists); or `commit`, followed by -a commit SHA1 (if a `-c`, `-C` or `--amend` option was given). +a commit SHA-1 (if a `-c`, `-C` or `--amend` option was given). If the exit status is non-zero, 'git commit' will abort. @@ -196,11 +196,11 @@ hook would receive a line like the following: refs/heads/master 67890 refs/heads/foreign 12345 -although the full, 40-character SHA1s would be supplied. If the foreign ref -does not yet exist the `<remote SHA1>` will be 40 `0`. If a ref is to be +although the full, 40-character SHA-1s would be supplied. If the foreign ref +does not yet exist the `<remote SHA-1>` will be 40 `0`. If a ref is to be deleted, the `<local ref>` will be supplied as `(delete)` and the `<local -SHA1>` will be 40 `0`. If the local commit was specified by something other -than a name which could be expanded (such as `HEAD~`, or a SHA1) it will be +SHA-1>` will be 40 `0`. If the local commit was specified by something other +than a name which could be expanded (such as `HEAD~`, or a SHA-1) it will be supplied as it was originally given. If this hook exits with a non-zero status, 'git push' will abort without diff --git a/Documentation/gitrepository-layout.txt b/Documentation/gitrepository-layout.txt index f0eef765b..2ad09f4ba 100644 --- a/Documentation/gitrepository-layout.txt +++ b/Documentation/gitrepository-layout.txt @@ -106,7 +106,7 @@ refs/remotes/`name`:: from a remote repository. refs/replace/`<obj-sha1>`:: - records the SHA1 of the object that replaces `<obj-sha1>`. + records the SHA-1 of the object that replaces `<obj-sha1>`. This is similar to info/grafts and is internally used and maintained by linkgit:git-replace[1]. Such refs can be exchanged between repositories while grafts are not. diff --git a/Documentation/gittutorial-2.txt b/Documentation/gittutorial-2.txt index 94c906eda..3109ea8aa 100644 --- a/Documentation/gittutorial-2.txt +++ b/Documentation/gittutorial-2.txt @@ -46,9 +46,9 @@ What are the 7 digits of hex that Git responded to the commit with? We saw in part one of the tutorial that commits have names like this. It turns out that every object in the Git history is stored under -a 40-digit hex name. That name is the SHA1 hash of the object's +a 40-digit hex name. That name is the SHA-1 hash of the object's contents; among other things, this ensures that Git will never store -the same data twice (since identical data is given an identical SHA1 +the same data twice (since identical data is given an identical SHA-1 name), and that the contents of a Git object will never change (since that would change the object's name as well). The 7 char hex strings here are simply the abbreviation of such 40 character long strings. @@ -56,7 +56,7 @@ Abbreviations can be used everywhere where the 40 character strings can be used, so long as they are unambiguous. It is expected that the content of the commit object you created while -following the example above generates a different SHA1 hash than +following the example above generates a different SHA-1 hash than the one shown above because the commit object records the time when it was created and the name of the person performing the commit. @@ -80,14 +80,14 @@ A tree can refer to one or more "blob" objects, each corresponding to a file. In addition, a tree can also refer to other tree objects, thus creating a directory hierarchy. You can examine the contents of any tree using ls-tree (remember that a long enough initial portion -of the SHA1 will also work): +of the SHA-1 will also work): ------------------------------------------------ $ git ls-tree 92b8b694 100644 blob 3b18e512dba79e4c8300dd08aeb37f8e728b8dad file.txt ------------------------------------------------ -Thus we see that this tree has one file in it. The SHA1 hash is a +Thus we see that this tree has one file in it. The SHA-1 hash is a reference to that file's data: ------------------------------------------------ @@ -106,7 +106,7 @@ Note that this is the old file data; so the object that Git named in its response to the initial tree was a tree with a snapshot of the directory state that was recorded by the first commit. -All of these objects are stored under their SHA1 names inside the Git +All of these objects are stored under their SHA-1 names inside the Git directory: ------------------------------------------------ @@ -142,7 +142,7 @@ ref: refs/heads/master As you can see, this tells us which branch we're currently on, and it tells us this by naming a file under the .git directory, which itself -contains a SHA1 name referring to a commit object, which we can +contains a SHA-1 name referring to a commit object, which we can examine with cat-file: ------------------------------------------------ @@ -208,7 +208,7 @@ project's history: Note, by the way, that lots of commands take a tree as an argument. But as we can see above, a tree can be referred to in many different -ways--by the SHA1 name for that tree, by the name of a commit that +ways--by the SHA-1 name for that tree, by the name of a commit that refers to the tree, by the name of a branch whose head refers to that tree, etc.--and most such commands can accept any of these names. diff --git a/Documentation/glossary-content.txt b/Documentation/glossary-content.txt index 2478a3963..ce3e4fae7 100644 --- a/Documentation/glossary-content.txt +++ b/Documentation/glossary-content.txt @@ -117,9 +117,6 @@ branch --set-upstream-to` that sets what remote tracking branch the current branch integrates with) obviously do not work, as there is no (real) current branch to ask about in this state. -[[def_dircache]]dircache:: - You are *waaaaay* behind. See <<def_index,index>>. - [[def_directory]]directory:: The list you get with "ls" :-) @@ -128,11 +125,6 @@ current branch integrates with) obviously do not work, as there is no it contains modifications which have not been <<def_commit,committed>> to the current <<def_branch,branch>>. -[[def_ent]]ent:: - Favorite synonym to "<<def_tree-ish,tree-ish>>" by some total geeks. See - http://en.wikipedia.org/wiki/Ent_(Middle-earth) for an in-depth - explanation. Avoid this term, not to confuse people. - [[def_evil_merge]]evil merge:: An evil merge is a <<def_merge,merge>> that introduces changes that do not appear in any <<def_parent,parent>>. @@ -174,7 +166,7 @@ current branch integrates with) obviously do not work, as there is no created. Configured via the `.git/info/grafts` file. [[def_hash]]hash:: - In Git's context, synonym to <<def_object_name,object name>>. + In Git's context, synonym for <<def_object_name,object name>>. [[def_head]]head:: A <<def_ref,named reference>> to the <<def_commit,commit>> at the tip of a @@ -246,7 +238,7 @@ This commit is referred to as a "merge commit", or sometimes just a [[def_object]]object:: The unit of storage in Git. It is uniquely identified by the - <<def_SHA1,SHA1>> of its contents. Consequently, an + <<def_SHA1,SHA-1>> of its contents. Consequently, an object can not be changed. [[def_object_database]]object database:: @@ -258,10 +250,9 @@ This commit is referred to as a "merge commit", or sometimes just a Synonym for <<def_object_name,object name>>. [[def_object_name]]object name:: - The unique identifier of an <<def_object,object>>. The <<def_hash,hash>> - of the object's contents using the Secure Hash Algorithm - 1 and usually represented by the 40 character hexadecimal encoding of - the <<def_hash,hash>> of the object. + The unique identifier of an <<def_object,object>>. The + object name is usually represented by a 40 character + hexadecimal string. Also colloquially called <<def_SHA1,SHA-1>>. [[def_object_type]]object type:: One of the identifiers "<<def_commit_object,commit>>", @@ -270,8 +261,7 @@ This commit is referred to as a "merge commit", or sometimes just a <<def_object,object>>. [[def_octopus]]octopus:: - To <<def_merge,merge>> more than two <<def_branch,branches>>. Also denotes an - intelligent predator. + To <<def_merge,merge>> more than two <<def_branch,branches>>. [[def_origin]]origin:: The default upstream <<def_repository,repository>>. Most projects have @@ -291,7 +281,7 @@ This commit is referred to as a "merge commit", or sometimes just a pack. [[def_pathspec]]pathspec:: - Pattern used to specify paths. + Pattern used to limit paths in Git commands. + Pathspecs are used on the command line of "git ls-files", "git ls-tree", "git add", "git grep", "git diff", "git checkout", @@ -300,6 +290,8 @@ limit the scope of operations to some subset of the tree or worktree. See the documentation of each command for whether paths are relative to the current directory or toplevel. The pathspec syntax is as follows: ++ +-- * any path matches itself * the pathspec up to the last slash represents a @@ -309,11 +301,12 @@ pathspec syntax is as follows: of the pathname. Paths relative to the directory prefix will be matched against that pattern using fnmatch(3); in particular, '*' and '?' _can_ match directory separators. + +-- + For example, Documentation/*.jpg will match all .jpg files in the Documentation subtree, including Documentation/chapter_1/figure_1.jpg. - + A pathspec that begins with a colon `:` has special meaning. In the short form, the leading colon `:` is followed by zero or more "magic @@ -329,18 +322,10 @@ and a close parentheses `)`, and the remainder is the pattern to match against the path. + The "magic signature" consists of an ASCII symbol that is not -alphanumeric. -+ --- -top `/`;; - The magic word `top` (mnemonic: `/`) makes the pattern match - from the root of the working tree, even when you are running - the command from inside a subdirectory. --- -+ -Currently only the slash `/` is recognized as the "magic signature", -but it is envisioned that we will support more types of magic in later -versions of Git. +alphanumeric. Currently only the slash `/` is recognized as a +"magic signature": it makes the pattern match from the root of +the working tree, even when you are running the command from +inside a subdirectory. + A pathspec with only a colon means "there is no pathspec". This form should not be combined with other pathspec. @@ -398,7 +383,7 @@ should not be combined with other pathspec. to the result. [[def_ref]]ref:: - A 40-byte hex representation of a <<def_SHA1,SHA1>> or a name that + A 40-byte hex representation of a <<def_SHA1,SHA-1>> or a name that denotes a particular <<def_object,object>>. They may be stored in a file under `$GIT_DIR/refs/` directory, or in the `$GIT_DIR/packed-refs` file. @@ -412,15 +397,7 @@ should not be combined with other pathspec. [[def_refspec]]refspec:: A "refspec" is used by <<def_fetch,fetch>> and <<def_push,push>> to describe the mapping between remote - <<def_ref,ref>> and local ref. They are combined with a colon in - the format <src>:<dst>, preceded by an optional plus sign, +. - For example: `git fetch $URL - refs/heads/master:refs/heads/origin` means "grab the master - <<def_branch,branch>> <<def_head,head>> from the $URL and store - it as my origin branch head". And `git push - $URL refs/heads/master:refs/heads/to-upstream` means "publish my - master branch head as to-upstream branch at $URL". See also - linkgit:git-push[1]. + <<def_ref,ref>> and local ref. [[def_remote_tracking_branch]]remote-tracking branch:: A regular Git <<def_branch,branch>> that is used to follow changes from @@ -454,8 +431,9 @@ should not be combined with other pathspec. [[def_SCM]]SCM:: Source code management (tool). -[[def_SHA1]]SHA1:: - Synonym for <<def_object_name,object name>>. +[[def_SHA1]]SHA-1:: + "Secure Hash Algorithm 1"; a cryptographic hash function. + In the context of Git used as a synonym for <<def_object_name,object name>>. [[def_shallow_repository]]shallow repository:: A shallow <<def_repository,repository>> has an incomplete @@ -469,7 +447,7 @@ should not be combined with other pathspec. its history can be later deepened with linkgit:git-fetch[1]. [[def_symref]]symref:: - Symbolic reference: instead of containing the <<def_SHA1,SHA1>> + Symbolic reference: instead of containing the <<def_SHA1,SHA-1>> id itself, it is of the format 'ref: refs/some/thing' and when referenced, it recursively dereferences to this reference. '<<def_HEAD,HEAD>>' is a prime example of a symref. Symbolic diff --git a/Documentation/howto/recover-corrupted-blob-object.txt b/Documentation/howto/recover-corrupted-blob-object.txt index 6d362ceb1..1b3b188d3 100644 --- a/Documentation/howto/recover-corrupted-blob-object.txt +++ b/Documentation/howto/recover-corrupted-blob-object.txt @@ -15,7 +15,7 @@ On Fri, 9 Nov 2007, Yossi Leybovich wrote: > Any one know how can I track this object and understand which file is it ----------------------------------------------------------- -So exactly *because* the SHA1 hash is cryptographically secure, the hash +So exactly *because* the SHA-1 hash is cryptographically secure, the hash itself doesn't actually tell you anything, in order to fix a corrupt object you basically have to find the "original source" for it. @@ -44,7 +44,7 @@ So: ----------------------------------------------------------- This is the right thing to do, although it's usually best to save it under -it's full SHA1 name (you just dropped the "4b" from the result ;). +it's full SHA-1 name (you just dropped the "4b" from the result ;). Let's see what that tells us: @@ -89,7 +89,7 @@ working tree, in which case fixing this problem is really simple, just do git hash-object -w my-magic-file -again, and if it outputs the missing SHA1 (4b945..) you're now all done! +again, and if it outputs the missing SHA-1 (4b945..) you're now all done! But that's the really lucky case, so let's assume that it was some older version that was broken. How do you tell which version it was? diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index afac703f2..f5b50dcba 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt @@ -75,7 +75,7 @@ This is designed to be as compact as possible. * 'raw' + The 'raw' format shows the entire commit exactly as -stored in the commit object. Notably, the SHA1s are +stored in the commit object. Notably, the SHA-1s are displayed in full, regardless of whether --abbrev or --no-abbrev are used, and 'parents' information show the true parent commits, without taking grafts nor history diff --git a/Documentation/revisions.txt b/Documentation/revisions.txt index 8855b1a0a..a8ff69149 100644 --- a/Documentation/revisions.txt +++ b/Documentation/revisions.txt @@ -2,13 +2,13 @@ SPECIFYING REVISIONS -------------------- A revision parameter '<rev>' typically, but not necessarily, names a -commit object. It uses what is called an 'extended SHA1' +commit object. It uses what is called an 'extended SHA-1' syntax. Here are various ways to spell object names. The ones listed near the end of this list name trees and blobs contained in a commit. '<sha1>', e.g. 'dae86e1950b1277e545cee180551750029cfe735', 'dae86e':: - The full SHA1 object name (40-byte hexadecimal string), or + The full SHA-1 object name (40-byte hexadecimal string), or a leading substring that is unique within the repository. E.g. dae86e1950b1277e545cee180551750029cfe735 and dae86e both name the same commit object if there is no other object in diff --git a/Documentation/technical/api-sha1-array.txt b/Documentation/technical/api-sha1-array.txt index 45d1c517c..3e75497a3 100644 --- a/Documentation/technical/api-sha1-array.txt +++ b/Documentation/technical/api-sha1-array.txt @@ -1,7 +1,7 @@ sha1-array API ============== -The sha1-array API provides storage and manipulation of sets of SHA1 +The sha1-array API provides storage and manipulation of sets of SHA-1 identifiers. The emphasis is on storage and processing efficiency, making them suitable for large lists. Note that the ordering of items is not preserved over some operations. @@ -11,7 +11,7 @@ Data Structures `struct sha1_array`:: - A single array of SHA1 hashes. This should be initialized by + A single array of SHA-1 hashes. This should be initialized by assignment from `SHA1_ARRAY_INIT`. The `sha1` member contains the actual data. The `nr` member contains the number of items in the set. The `alloc` and `sorted` members are used internally, diff --git a/Documentation/technical/pack-format.txt b/Documentation/technical/pack-format.txt index a37f1378d..8e5bf60be 100644 --- a/Documentation/technical/pack-format.txt +++ b/Documentation/technical/pack-format.txt @@ -34,7 +34,7 @@ Git pack format Observation: length of each object is encoded in a variable length format and is not constrained to 32-bit or anything. - - The trailer records 20-byte SHA1 checksum of all of the above. + - The trailer records 20-byte SHA-1 checksum of all of the above. == Original (version 1) pack-*.idx files have the following format: @@ -55,10 +55,10 @@ Git pack format - The file is concluded with a trailer: - A copy of the 20-byte SHA1 checksum at the end of + A copy of the 20-byte SHA-1 checksum at the end of corresponding packfile. - 20-byte SHA1-checksum of all of the above. + 20-byte SHA-1-checksum of all of the above. Pack Idx file: @@ -106,7 +106,7 @@ Pack file entry: <+ If it is not DELTA, then deflated bytes (the size above is the size before compression). If it is REF_DELTA, then - 20-byte base object name SHA1 (the size above is the + 20-byte base object name SHA-1 (the size above is the size of the delta data that follows). delta data, deflated. If it is OFS_DELTA, then @@ -135,7 +135,7 @@ Pack file entry: <+ - A 256-entry fan-out table just like v1. - - A table of sorted 20-byte SHA1 object names. These are + - A table of sorted 20-byte SHA-1 object names. These are packed together without offset values to reduce the cache footprint of the binary search for a specific object name. @@ -156,7 +156,7 @@ Pack file entry: <+ - The same trailer as a v1 pack file: - A copy of the 20-byte SHA1 checksum at the end of + A copy of the 20-byte SHA-1 checksum at the end of corresponding packfile. - 20-byte SHA1-checksum of all of the above. + 20-byte SHA-1-checksum of all of the above. diff --git a/Documentation/technical/pack-heuristics.txt b/Documentation/technical/pack-heuristics.txt index dbdf7ba9c..8b7ae1c14 100644 --- a/Documentation/technical/pack-heuristics.txt +++ b/Documentation/technical/pack-heuristics.txt @@ -89,7 +89,7 @@ Ah, grasshopper! And thus the enlightenment begins anew. <linus> The "magic" is actually in theory totally arbitrary. ANY order will give you a working pack, but no, it's not - ordered by SHA1. + ordered by SHA-1. Before talking about the ordering for the sliding delta window, let's talk about the recency order. That's more diff --git a/Documentation/technical/shallow.txt b/Documentation/technical/shallow.txt index ea2f69faf..5183b1542 100644 --- a/Documentation/technical/shallow.txt +++ b/Documentation/technical/shallow.txt @@ -8,7 +8,7 @@ repo, and therefore grafts are introduced pretending that these commits have no parents. ********************************************************* -The basic idea is to write the SHA1s of shallow commits into +The basic idea is to write the SHA-1s of shallow commits into $GIT_DIR/shallow, and handle its contents like the contents of $GIT_DIR/info/grafts (with the difference that shallow cannot contain parent information). @@ -18,7 +18,7 @@ even the config, since the user should not touch that file at all (even throughout development of the shallow clone, it was never manually edited!). -Each line contains exactly one SHA1. When read, a commit_graft +Each line contains exactly one SHA-1. When read, a commit_graft will be constructed, which has nr_parent < 0 to make it easier to discern from user provided grafts. |