diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/config.txt | 4 | ||||
| -rw-r--r-- | Documentation/diff-options.txt | 26 | ||||
| -rw-r--r-- | Documentation/git-merge.txt | 14 | ||||
| -rw-r--r-- | Documentation/git-pull.txt | 14 | ||||
| -rw-r--r-- | Documentation/git-repack.txt | 6 | ||||
| -rw-r--r-- | Documentation/git-reset.txt | 76 | ||||
| -rw-r--r-- | Documentation/git-show.txt | 4 | ||||
| -rw-r--r-- | Documentation/rev-list-options.txt | 5 | ||||
| -rw-r--r-- | Documentation/technical/api-sigchain.txt | 41 |
9 files changed, 133 insertions, 57 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index 7f6b2109bd..e6a8f27f26 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -1466,6 +1466,10 @@ pack.compression:: not set, defaults to -1, the zlib default, which is "a default compromise between speed and compression (currently equivalent to level 6)." ++ +Note that changing the compression level will not automatically recompress +all existing objects. You can force recompression by passing the -F option +to linkgit:git-repack[1]. pack.deltaCacheSize:: The maximum memory in bytes used for caching deltas in diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index d723e99232..5495344e61 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -247,20 +247,6 @@ endif::git-log[] Detect copies as well as renames. See also `--find-copies-harder`. If `n` is specified, it has the same meaning as for `-M<n>`. -ifndef::git-format-patch[] ---diff-filter=[(A|C|D|M|R|T|U|X|B)...[*]]:: - Select only files that are Added (`A`), Copied (`C`), - Deleted (`D`), Modified (`M`), Renamed (`R`), have their - type (i.e. regular file, symlink, submodule, ...) changed (`T`), - are Unmerged (`U`), are - Unknown (`X`), or have had their pairing Broken (`B`). - Any combination of the filter characters (including none) can be used. - When `*` (All-or-none) is added to the combination, all - paths are selected if there is any file that matches - other criteria in the comparison; if there is no file - that matches other criteria, nothing is selected. -endif::git-format-patch[] - --find-copies-harder:: For performance reasons, by default, `-C` option finds copies only if the original file of the copy was modified in the same @@ -278,6 +264,18 @@ endif::git-format-patch[] number. ifndef::git-format-patch[] +--diff-filter=[(A|C|D|M|R|T|U|X|B)...[*]]:: + Select only files that are Added (`A`), Copied (`C`), + Deleted (`D`), Modified (`M`), Renamed (`R`), have their + type (i.e. regular file, symlink, submodule, ...) changed (`T`), + are Unmerged (`U`), are + Unknown (`X`), or have had their pairing Broken (`B`). + Any combination of the filter characters (including none) can be used. + When `*` (All-or-none) is added to the combination, all + paths are selected if there is any file that matches + other criteria in the comparison; if there is no file + that matches other criteria, nothing is selected. + -S<string>:: Look for differences that introduce or remove an instance of <string>. Note that this is different than the string simply diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt index 84043cc5b2..d43416d299 100644 --- a/Documentation/git-merge.txt +++ b/Documentation/git-merge.txt @@ -59,13 +59,13 @@ include::merge-options.txt[] -m <msg>:: Set the commit message to be used for the merge commit (in case one is created). - - If `--log` is specified, a shortlog of the commits being merged - will be appended to the specified message. - - The 'git fmt-merge-msg' command can be - used to give a good default for automated 'git merge' - invocations. ++ +If `--log` is specified, a shortlog of the commits being merged +will be appended to the specified message. ++ +The 'git fmt-merge-msg' command can be +used to give a good default for automated 'git merge' +invocations. --rerere-autoupdate:: --no-rerere-autoupdate:: diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt index c50f7dcb89..e1b0bd2868 100644 --- a/Documentation/git-pull.txt +++ b/Documentation/git-pull.txt @@ -92,12 +92,14 @@ include::merge-options.txt[] :git-pull: 1 --rebase:: - Instead of a merge, perform a rebase after fetching. If - there is a remote ref for the upstream branch, and this branch - was rebased since last fetched, the rebase uses that information - to avoid rebasing non-local changes. To make this the default - for branch `<name>`, set configuration `branch.<name>.rebase` - to `true`. + Rebase the current branch on top of the upstream branch after + fetching. If there is a remote-tracking branch corresponding to + the upstream branch and the upstream branch was rebased since last + fetched, the rebase uses that information to avoid rebasing + non-local changes. ++ +See `branch.<name>.rebase` in linkgit:git-config[1] if you want to make +`git pull` always use `{litdd}rebase` instead of merging. + [NOTE] This is a potentially _dangerous_ mode of operation. diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt index af79b86516..27f7865b06 100644 --- a/Documentation/git-repack.txt +++ b/Documentation/git-repack.txt @@ -8,7 +8,7 @@ git-repack - Pack unpacked objects in a repository SYNOPSIS -------- -'git repack' [-a] [-A] [-d] [-f] [-l] [-n] [-q] [--window=<n>] [--depth=<n>] +'git repack' [-a] [-A] [-d] [-f] [-F] [-l] [-n] [-q] [--window=<n>] [--depth=<n>] DESCRIPTION ----------- @@ -62,6 +62,10 @@ other objects in that pack they already have locally. linkgit:git-pack-objects[1]. -f:: + Pass the `--no-reuse-delta` option to `git-pack-objects`, see + linkgit:git-pack-objects[1]. + +-F:: Pass the `--no-reuse-object` option to `git-pack-objects`, see linkgit:git-pack-objects[1]. diff --git a/Documentation/git-reset.txt b/Documentation/git-reset.txt index 9cf31485fe..fd72976371 100644 --- a/Documentation/git-reset.txt +++ b/Documentation/git-reset.txt @@ -15,17 +15,24 @@ SYNOPSIS DESCRIPTION ----------- In the first and second form, copy entries from <commit> to the index. -In the third form, set the current branch to <commit>, optionally -modifying index and worktree to match. The <commit> defaults to HEAD +In the third form, set the current branch head (HEAD) to <commit>, optionally +modifying index and working tree to match. The <commit> defaults to HEAD in all forms. 'git reset' [-q] [<commit>] [--] <paths>...:: This form resets the index entries for all <paths> to their - state at the <commit>. (It does not affect the worktree, nor + state at <commit>. (It does not affect the working tree, nor the current branch.) + This means that `git reset <paths>` is the opposite of `git add <paths>`. ++ +After running `git reset <paths>` to update the index entry, you can +use linkgit:git-checkout[1] to check the contents out of the index to +the working tree. +Alternatively, using linkgit:git-checkout[1] and specifying a commit, you +can copy the contents of a path out of a commit to the index and to the +working tree in one go. 'git reset' --patch|-p [<commit>] [--] [<paths>...]:: Interactively select hunks in the difference between the index @@ -36,16 +43,17 @@ This means that `git reset -p` is the opposite of `git add -p` (see linkgit:git-add[1]). 'git reset' [--<mode>] [<commit>]:: - This form points the current branch to <commit> and then - updates index and working tree according to <mode>, which must - be one of the following: + This form resets the current branch head to <commit> and + possibly updates the index (resetting it to the tree of <commit>) and + the working tree depending on <mode>, which + must be one of the following: + -- --soft:: - Does not touch the index file nor the working tree at all, but - requires them to be in a good order. This leaves all your changed - files "Changes to be committed", as 'git status' would - put it. + Does not touch the index file nor the working tree at all (but + resets the head to <commit>, just like all modes do). This leaves + all your changed files "Changes to be committed", as 'git status' + would put it. --mixed:: Resets the index but not the working tree (i.e., the changed files @@ -53,22 +61,30 @@ linkgit:git-add[1]). been updated. This is the default action. --hard:: - Matches the working tree and index to that of the tree being - switched to. Any changes to tracked files in the working tree - since <commit> are lost. + Resets the index and working tree. Any changes to tracked files in the + working tree since <commit> are discarded. --merge:: - Resets the index to match the tree recorded by the named commit, - and updates the files that are different between the named commit - and the current commit in the working tree. + Resets the index and updates the files in the working tree that are + different between <commit> and HEAD, but keeps those which are + different between the index and working tree (i.e. which have changes + which have not been added). + If a file that is different between <commit> and the index has unstaged + changes, reset is aborted. ++ +In other words, --merge does something like a 'git read-tree -u -m <commit>', +but carries forward unmerged index entries. --keep:: - Reset the index to the given commit, keeping local changes in - the working tree since the current commit, while updating - working tree files without local changes to what appears in - the given commit. If a file that is different between the - current commit and the given commit has local changes, reset - is aborted. + Resets the index, updates files in the working tree that are + different between <commit> and HEAD, but keeps those + which are different between HEAD and the working tree (i.e. + which have local changes). + If a file that is different between <commit> and HEAD has local changes, + reset is aborted. ++ +In other words, --keep does a 2-way merge between <commit> and HEAD followed by +'git reset --mixed <commit>'. -- If you want to undo a commit other than the latest on a branch, @@ -184,7 +200,7 @@ tip of the current branch in ORIG_HEAD, so resetting hard to it brings your index file and the working tree back to that state, and resets the tip of the branch to that commit. -Undo a merge or pull inside a dirty work tree:: +Undo a merge or pull inside a dirty working tree:: + ------------ $ git pull <1> @@ -257,7 +273,7 @@ Suppose you are working on something and you commit it, and then you continue working a bit more, but now you think that what you have in your working tree should be in another branch that has nothing to do with what you committed previously. You can start a new branch and -reset it while keeping the changes in your work tree. +reset it while keeping the changes in your working tree. + ------------ $ git tag start @@ -294,8 +310,10 @@ In these tables, A, B, C and D are some different states of a file. For example, the first line of the first table means that if a file is in state A in the working tree, in state B in the index, in state C in HEAD and in state D in the target, then "git reset --soft -target" will put the file in state A in the working tree, in state B -in the index and in state D in HEAD. +target" will leave the file in the working tree in state A and in the +index in state B. It resets (i.e. moves) the HEAD (i.e. the tip of +the current branch, if you are on one) to "target" (which has the file +in state D). working index HEAD target working index HEAD ---------------------------------------------------- @@ -346,11 +364,11 @@ in the index and in state D in HEAD. --keep B C C "reset --merge" is meant to be used when resetting out of a conflicted -merge. Any mergy operation guarantees that the work tree file that is +merge. Any mergy operation guarantees that the working tree file that is involved in the merge does not have local change wrt the index before -it starts, and that it writes the result out to the work tree. So if +it starts, and that it writes the result out to the working tree. So if we see some difference between the index and the target and also -between the index and the work tree, then it means that we are not +between the index and the working tree, then it means that we are not resetting out from a state that a mergy operation left after failing with a conflict. That is why we disallow --merge option in this case. diff --git a/Documentation/git-show.txt b/Documentation/git-show.txt index 2049c60f75..f0a8a1aff3 100644 --- a/Documentation/git-show.txt +++ b/Documentation/git-show.txt @@ -54,6 +54,10 @@ git show v1.0.0:: git show v1.0.0^\{tree\}:: Shows the tree pointed to by the tag `v1.0.0`. +git show -s --format=%s v1.0.0^\{commit\}:: + Shows the subject of the commit pointed to by the + tag `v1.0.0`. + git show next~10:Documentation/README:: Shows the contents of the file `Documentation/README` as they were current in the 10th last commit of the branch diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt index 7a42567060..42ca059908 100644 --- a/Documentation/rev-list-options.txt +++ b/Documentation/rev-list-options.txt @@ -95,6 +95,8 @@ you would get an output like this: to be printed in between commits, in order for the graph history to be drawn properly. + +This enables parent rewriting, see 'History Simplification' below. ++ This implies the '--topo-order' option by default, but the '--date-order' option may also be specified. @@ -146,6 +148,9 @@ options may be given. See linkgit:git-diff-files[1] for more options. -t:: Show the tree objects in the diff output. This implies '-r'. + +-s:: + Suppress diff output. endif::git-rev-list[] Commit Limiting diff --git a/Documentation/technical/api-sigchain.txt b/Documentation/technical/api-sigchain.txt new file mode 100644 index 0000000000..535cdff164 --- /dev/null +++ b/Documentation/technical/api-sigchain.txt @@ -0,0 +1,41 @@ +sigchain API +============ + +Code often wants to set a signal handler to clean up temporary files or +other work-in-progress when we die unexpectedly. For multiple pieces of +code to do this without conflicting, each piece of code must remember +the old value of the handler and restore it either when: + + 1. The work-in-progress is finished, and the handler is no longer + necessary. The handler should revert to the original behavior + (either another handler, SIG_DFL, or SIG_IGN). + + 2. The signal is received. We should then do our cleanup, then chain + to the next handler (or die if it is SIG_DFL). + +Sigchain is a tiny library for keeping a stack of handlers. Your handler +and installation code should look something like: + +------------------------------------------ + void clean_foo_on_signal(int sig) + { + clean_foo(); + sigchain_pop(sig); + raise(sig); + } + + void other_func() + { + sigchain_push_common(clean_foo_on_signal); + mess_up_foo(); + clean_foo(); + } +------------------------------------------ + +Handlers are given the typdef of sigchain_fun. This is the same type +that is given to signal() or sigaction(). It is perfectly reasonable to +push SIG_DFL or SIG_IGN onto the stack. + +You can sigchain_push and sigchain_pop individual signals. For +convenience, sigchain_push_common will push the handler onto the stack +for many common signals. |