read-tree -m -u: avoid getting confused by intermediate symlinks.
When switching from a branch with both x86_64/boot/Makefile and
i386/boot/Makefile to another branch that has x86_64/boot as a
symlink pointing at ../i386/boot, the code incorrectly removed
i386/boot/Makefile.
This was because we first removed everything under x86_64/boot
to make room to create a symbolic link x86_64/boot, then removed
x86_64/boot/Makefile which no longer exists but now is pointing
at i386/boot/Makefile, thanks to the symlink we just created.
This fixes it by using the has_symlink_leading_path() function
introduced previously for git-apply in the checkout codepath.
Earlier, "git checkout" was broken in t4122 test due to this
bug, and the test had an extra "git reset --hard" as a
workaround, which is removed because it is not needed anymore.
apply: do not get confused by symlinks in the middle
HPA noticed that git-rebase fails when changes involve symlinks
in the middle of the hierarchy. Consider:
* The tree state before the patch is applied has arch/x86_64/boot
as a symlink pointing at ../i386/boot/
* The patch tries to remove arch/x86_64/boot symlink, and
create bunch of files there: .gitignore, Makefile, etc.
git-apply tries to be careful while applying patches; it never
touches the working tree until it is convinced that the patch
would apply cleanly. One of the check it does is that when it
knows a path is going to be created by the patch, it runs
lstat() on the path to make sure it does not exist.
This leads to a false alarm. Because we do not touch the
working tree before all the check passes, when we try to make
sure that arch/x86_64/boot/.gitignore does not exist yet, we
haven't removed the arch/x86_64/boot symlink. The lstat() check
ends up seeing arch/i386/boot/.gitignore through the
yet-to-be-removed symlink, and says "Hey, you already have a
file there, but what you fed me is a patch to create a new
file. I am not going to clobber what you have in the working
tree."
We have similar checks to see a file we are going to modify does
exist and match the preimage of the diff, which is done by
directly opening and reading the file.
For a file we are going to delete, we make sure that it does
exist and matches what is going to be removed (a removal patch
records the full preimage, so we check what you have in your
working tree matches it in full -- otherwise we would risk
losing your local changes), which again is done by directly
opening and reading the file.
These checks need to be adjusted so that they are not fooled by
symlinks in the middle.
- To make sure something does not exist, first lstat(). If it
does not exist, it does not, so be happy. If it _does_, we
might be getting fooled by a symlink in the middle, so break
leading paths and see if there are symlinks involved. When
we are checking for a path a/b/c/d, if any of a, a/b, a/b/c
is a symlink, then a/b/c/d does _NOT_ exist, for the purpose
of our test.
This would fix this particular case you saw, and would not
add extra overhead in the usual case.
- To make sure something already exists, first lstat(). If it
does not exist, barf (up to this, we already do). Even if it
does seem to exist, we might be getting fooled by a symlink
in the middle, so make sure leading paths are not symlinks.
This would make the normal codepath much more expensive for
deep trees, which is a bit worrisome.
This patch implements the first side of the check "making sure
it does not exist". The latter "making sure it exists" check is
not done yet, so applying the patch in reverse would still
fail, but we have to start from somewhere.
When we are applying a patch that creates a blob at a path, or
when we are switching from a branch that does not have a blob at
the path to another branch that has one, we need to make sure
that there is nothing at the path in the working tree, as such a
file is a local modification made by the user that would be lost
by the operation.
Normally, lstat() on the path and making sure ENOENT is returned
is good enough for that purpose. However there is a twist. We
may be creating a regular file arch/x86_64/boot/Makefile, while
removing an existing symbolic link at arch/x86_64/boot that
points at existing ../i386/boot directory that has Makefile in
it. We always first check without touching filesystem and then
perform the actual operation, so when we verify the new file,
arch/x86_64/boot/Makefile, does not exist, we haven't removed
the symbolic link arc/x86_64/boot symbolic link yet. lstat() on
the file sees through the symbolic link and reports the file is
there, which is not what we want.
The function has_symlink_leading_path() function takes a path,
and sees if any of the leading directory component is a symbolic
link.
When files in a new directory are created, we tend to process
them together because both index and tree are sorted. The
function takes advantage of this and allows the caller to cache
and reuse which symbolic link on the filesystem caused the
function to return true.
The calling sequence would be:
char last_symlink[PATH_MAX];
*last_symlink = '\0';
for each index entry {
if (!lose)
continue;
if (lstat(it))
if (errno == ENOENT)
; /* happy */
else
error;
else if (has_symlink_leading_path(it, last_symlink))
; /* happy */
else
error; /* would lose local changes */
unlink_entry(it, last_symlink);
}
* 'master' of git://repo.or.cz/git-gui:
git gui 0.7.0
git-gui: Paperbag fix blame in subdirectory
git-gui: Format author/committer times in ISO format
git-gui: Cleanup minor nits in blame code
git-gui: Generate blame on uncommitted working tree file
git-gui: Smarter command line parsing for browser, blame
git-gui: Use prefix if blame is run in a subdirectory
git-gui: Convert blame to the "class" way of doing things
git-gui: Don't attempt to inline array reads in methods
git-gui: Convert browser, console to "class" format
git-gui: Define a simple class/method system
git-gui: Allow shift-{k,j} to select a range of branches to merge
git-gui: Call changes "Staged" and "Unstaged" in file list titles.
Avoid specifying font sizes in pixels, since that is just pure evil.
Pointed out by Chris Riddoch.
Note that this is pretty much just a proposal; I didn't test if everything
fits perfectly right, but things seem to be pretty much okay. repo.or.cz
uses it now as a test drive - if you find any visual quirks, please point
them out, with a patch if possible since I'm total CSS noob and debugging
CSS is an extremely painful experience for me.
Note that this patch actually does change visual look of gitweb in Firefox
with my resolution and default settings - everything is bigger and I can't
explain the joy of actually seeing gitweb text that is in _readable_ size;
also, my horizontal screen real estate feels better used now. But judging
from the look of most modern webpages on the 'net, most people prefer
reading the web with strained eyes and/or a magnifying glass (I wonder what
species of scientists should look into this mystifying phenomenon) - so,
please tell us what you think.
Maybe we might want to get rid of absolute sizes other than font sizes in
the CSS file too in the long term.
Signed-off-by: Petr Baudis <pasky@suse.cz> Signed-off-by: Junio C Hamano <junkio@cox.net>
This patch renames config_boolean() to config_bool() for consistency with
the commandline interface and because it is shorter but still obvious. ;-)
It also changes the return value from some obscure string to real Perl
boolean, allowing for clean user code.
* maint:
.mailmap: add some aliases
SPECIFYING RANGES typo fix: it it => it is
git-clone: don't get fooled by $PWD
Fix documentation of tag in git-fast-import.txt
If you have /home/me/git symlink pointing at /pub/git/mine,
trying to clone from /pub/git/his/ using relative path would not
work as expected:
$ cd /home/me
$ cd git
$ ls ../
his mine
$ git clone -l -s -n ../his/stuff.git
This is because "cd ../his/stuff.git" done inside git-clone to
check if the repository is local is confused by $PWD, which is
set to /home/me, and tries to go to /home/his/stuff.git which is
different from /pub/git/his/stuff.git.
We could probably say "set -P" (or "cd -P") instead, if we know
the shell is POSIX, but the way the patch is coded is probably
more portable.
[jc: this is updated with Andy Whitcroft's improvements]
gitweb: choose appropriate view for file type if a= parameter missing
gitweb URLs use the a= parameter for the view to use on the given path, such
as "blob" or "tree". Currently, if a gitweb URL omits the a= parameter,
gitweb just shows the top-level repository summary, regardless of the path
given. gitweb could instead choose an appropriate view based on the file
type: blob for blobs (files), tree for trees (directories), and summary if
no path given (the URL included no f= parameter, or an empty f= parameter).
Apart from making gitweb more robust and supporting URL editing more easily,
this change would aid the creation of shortcuts to git repositories using
simple substitution, such as:
http://example.org/git/?p=path/to/repo.git;hb=HEAD;f=%s
With this patch, if given the hash through the h= parameter, or the hash
base (hb=) and a filename (f=), gitweb uses cat-file -t to automatically set
the a= parameter.
This feature was requested by Josh Triplett through
http://bugs.debian.org/410465
Signed-off-by: Gerrit Pape <pape@smarden.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* jc/diffopt:
diff -S: release the image after looking for needle in it
diff -M: release the preimage candidate blobs after rename detection.
diff.c: do not use a separate "size cache".
diff: release blobs after generating textual diff.
* jn/gitweb:
gitweb: Show combined diff for merge commits in 'commit' view
gitweb: Show combined diff for merge commits in 'commitdiff' view
gitweb: Make it possible to use pre-parsed info in git_difftree_body
gitweb: Add combined diff support to git_patchset_body
gitweb: Add combined diff support to git_difftree_body
gitweb: Add parsing of raw combined diff format to parse_difftree_raw_line
Rather than storing the temporary commit message data in .msg (in
the working tree) we now store the message data in .git/MERGE_MSG.
By storing the message in the .git/ directory we are sure we will
never have a collision with a user file, should a project actually
have a ".msg" file in their top level tree. We also don't need to
worry about leaving this stale file behind during a `reset --hard`
and have it show up in the output of status.
We are using .git/MERGE_MSG here to store the temporary message as
it is an already established convention between git-merge, git-am
and git-rebase that git-commit will default the user's edit buffer
to the contents of .git/MERGE_MSG. If the user is going to need
to resolve this commit or wants to edit the message on their own
prepping that file with the desired message "just works".
Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
We can use [list ...] rather than "", especially when we are talking
about values as then they are properly escaped if necessary. Small
nit, but probably not a huge deal as the only data being inlined here
is Tk paths.
Some of the lines in the parser code were longer than 80 characters
wide, and they actually were all the same value on the end part of
the line. Rather than keeping the mess copied-and-pasted around we
can set the last argument into a local variable and reuse it many
times.
The commit display code was also rather difficult to read on an 80
character wide terminal, so I'm moving it all into a double quoted
string that is easier to read.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Generate blame on uncommitted working tree file
If the user doesn't give us a revision parameter to our blame
subcommand then we can generate blame against the working tree
file by passing the file path off to blame with the --contents
argument. In this case we cannot obtain the contents of the
file from the ODB; instead we must obtain the contents by
reading the working directory file as-is.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Smarter command line parsing for browser, blame
The browser subcommand now optionally accepts a single revision
argument; if no revision argument is supplied then we use the
current branch as the tree to browse. This is very common, so
its a nice option.
Our blame subcommand now tries to perform the same assumptions
as the command line git-blame; both the revision and the file
are optional. We assume the argument is a filename if the file
exists in the working directory, otherwise we assume the argument
is a revision name. A -- can be supplied between the two to force
parsing, or before the filename to force it to be a filename.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Use prefix if blame is run in a subdirectory
I think it was Andy Parkins who pointed out that git gui blame HEAD f
does not work if f is in a subdirectory and we are currently running
git-gui within that subdirectory. This is happening because we did
not take the user's prefix into account when we computed the file
path in the repository.
We now assume the prefix as returned by rev-parse --show-prefix is
valid and we use that during the command line blame subcommand when
we apply the parameters.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Convert blame to the "class" way of doing things
Our blame viewer code has historically been a mess simply
because the data for multiple viewers was all crammed into
a single pair of Tcl arrays. This made the code hard to
read and even harder to maintain.
Now that we have a slightly better way of tracking the data
for our "meta-widgets" we can make use of it here in the
blame viewer to cleanup the code and make it easier to work
with long term.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Don't attempt to inline array reads in methods
If a variable reference to a field is to an array, and it is
the only reference to that field in that method we cannot make
it an inlined [set foo] call as the regexp was converting the
Tcl code wrong. We were producing "[set foo](x)" for "$foo(x)",
and that isn't valid Tcl when foo is an array. So we just punt
if the only occurance has a ( after it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Convert browser, console to "class" format
Now that we have a slightly easier method of working with per-widget
data we should make use of that technique in our browser and console
meta-widgets, as both have a decent amount of information that they
store on a per-widget basis and our current approach of handling
it is difficult to follow.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
As most of the git-gui interface is based upon "meta-widgets"
that need to carry around a good deal of state (e.g. console
windows, browser windows, blame viewer) we have a good deal
of messy code that tries to store this meta-widget state in
global arrays, where keys into the array are formed from a
union of a unique "object instance id" and the field name.
This is a simple class system for Tcl that allows us to
hide much of that mess by making Tcl do what it does best;
process strings to manipulate its own code during startup.
Each object instance is placed into its own namespace. The
namespace is created when the object instance is created and
the namespace is destroyed when the object instance is removed
from the system. Within that namespace we place variables for
each field within the class; these variables can themselves be
scalar values or full-blown Tcl arrays.
All fields must be declared before any constructors or methods. This
allows our class to generate a list of the fields so it can properly
alter the definition of the constructor and method bodies prior to
passing them off to Tcl for definition with proc. A field may optionally
be given a default/initial value. This can only be done for non-array
type fields.
Constructors are given full access to all fields of the class, so they
can initialize the data values. The default values of fields (if any)
are set before the constructor runs, and the implicit local variable
$this is initialized to the instance identifier.
Methods are given access to fields they actually use in their body.
Every method has an implicit "this" argument inserted as its first
parameter; callers of methods must be sure they supply this value.
Some basic optimization tricks are performed (but not much). We
try to only upvar (locally bind) fields that are accessed within a
method, but we err on the side of caution and may upvar more than
we need to. If a variable is accessed only once within a method
and that access is by $foo (read) we avoid the upvar and instead
use [set foo] to obtain the value. This is slightly faster as Tcl
does not need to lookup the variable twice.
We also offer some small syntatic sugar for interacting with Tk and
the fileevent callback system in Tcl. If a field (say "foo") is used
as "@foo" we insert instead the true global variable name of that
variable into the body of the constructor or method. This allows easy
binding to Tk textvariable options, e.g.:
label $w.title -textvariable @title
Proper namespace callbacks can also be setup with the special cb proc
that is defined in each namespace. [cb _foo a] will invoke the method
_foo in the current namespace, passing it $this as the first (implied)
parameter and a as the second parameter. This makes it very simple to
connect an object instance to a -command option for a Tk widget or to
a fileevent readable or writable for a file channel.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Allow shift-{k,j} to select a range of branches to merge
I found it useful to be able to use j/k (vi-like keys) to move
up and down the list of branches to merge and shift-j/k to do
the selection, much as shift-up/down (arrow keys) would alter
the selection.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Build fails for git 1.5.1.3 on AIX, with the message:
utf8.c:66: error: conflicting types for 'wcwidth'
/.../lib/gcc/powerpc-ibm-aix5.3.0.0/4.0.3/include/string.h:266: error: previous declaration of 'wcwidth' was here
Fix this by renaming our static variant to our own name.
Signed-off-by: Amos Waterland <apw@us.ibm.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
* 'master' of git://repo.or.cz/git-gui:
git-gui: Use vi-like keys in merge dialog
git-gui: Include commit id/subject in merge choices
git-gui: Show all possible branches for merge
git-gui: Move merge support into a namespace
git-gui: Allow vi keys to scroll the diff/blame regions
git-gui: Move console procs into their own namespace
git-gui: Refactor into multiple files to save my sanity
git-gui: Track our own embedded values and rebuild when they change
git-gui: Refactor to use our git proc more often
git-gui: Use option database defaults to set the font
git-gui: Cleanup common font handling for font_ui
git-gui: Correct line wrapping for too many branch message
git-gui: Warn users before making an octopus merge
git-gui: Include the subject in the status bar after commit
Also perform an evil merge change to update Git's main Makefile to
pass the proper options down into git-gui now that it depends on
reasonable values for 'sharedir' and 'TCL_PATH'.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Since we support vi-like keys for scrolling in other UI contexts
we can easily do so here too. Tk's handy little `event generate'
makes this a lot easier than I thought it would be. We may want
to go back and fix some of the other vi-like bindings to redirect
to the arrow and pageup/pagedown keys, rather than running the
view changes directly.
I've bound 'v' to visualize, as this is a somewhat common thing
to want to do in the merge dialog. Control (or Command) Return
is also bound to start the merge, much as it is bound in the
main window to activate the commit.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Include commit id/subject in merge choices
When merging branches using our local merge feature it can be
handy to know the first few digits of the commit the ref points
at as well as the short description of the branch name.
Unfortunately I'm unable to use three listboxes in a row, as Tcl
freaks out and refuses to let me have a selection in more than
one of them at any given point in time. So instead we use a
fixed width font in the existing listbox and organize the data
into three columns. Not nearly as nice looking, but users can
continue to use the listbox's features.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Johannes Sixt pointed out that git-gui was randomly selecting
which branch (or tag!) it will show in the merge dialog when
more than one ref points at the same commit. This can be a
problem for the user if they want to merge a branch, but the
ref that git-gui selected to display was actually a tag that
points at the commit at the tip of that branch. Since the
user is looking for the branch, and not the tag, its confusing
to not find it, and worse, merging the tag causes git-merge to
generate a different message than if the branch was selected.
While I am in here and am messing around I have changed the
for-each-ref usage to take advantage of its --tcl formatting,
and to fetch the subject line of the commit (or tag) we are
looking at. This way we could present the subject line in the
UI to the user, given them an even better chance to select
the correct branch.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Allow vi keys to scroll the diff/blame regions
Users who are used to vi and recent versions of gitk may want
to scroll the diff region using vi style keybindings. Since
these aren't bound to anything else and that widget does not
accept focus for data input, we can easily support that too.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Move console procs into their own namespace
To help modularize git-gui better I'm isolating the code and
variables required to handle our little console windows into
their own namespace. This way we can say console::new rather
than new_console, and the hidden internal procs to create the
window and read data from our filehandle are off in their own
private little land, where most users don't see them.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
git-gui: Refactor into multiple files to save my sanity
I'm finding it difficult to work with a 6,000+ line Tcl script
and not go insane while looking for a particular block of code.
Since most of the program is organized into different units of
functionality and not all users will need all units immediately
on startup we can improve things by splitting procs out into
multiple files and let auto_load handle things for us.
This should help not only to better organize the source, but
it may also improve startup times for some users as the Tcl
parser does not need to read as much script before it can show
the UI. In many cases the user can avoid reading at least half
of git-gui now.
Unfortunately we now need a library directory in our runtime
location. This is currently assumed to be $(sharedir)/git-gui/lib
and its expected that the Makefile invoker will setup some sort of
reasonable sharedir value for us, or let us assume its going to be
$(gitexecdir)/../share.
We now also require a tclsh (in TCL_PATH) to just run the Makefile,
as we use tclsh to generate the tclIndex for our lib directory. I'm
hoping this is not an unncessary burden on end-users who are building
from source.
I haven't really made any functionality changes here, this is just a
huge migration of code from one file to many smaller files. All of
the new changes are to setup the library path and install the library
files.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
gitweb: Show combined diff for merge commits in 'commit' view
When commit shown is a merge commit (has more than one parent),
display combined difftree output (result of git-diff-tree -c).
Earlier (since commit 549ab4a30703012ff3a12b5455d319216805a8db)
difftree output (against first parent) was not printed for merges.
gitweb: Show combined diff for merge commits in 'commitdiff' view
When 'commitdiff' action is requested without 'hp' (hash parent)
parameter, and commit given by 'h' (hash) parameter is merge commit,
show merge as combined diff.
Earlier for merge commits without 'hp' parameter diff to first parent
was shown.
Note that in compact combined (--cc) format 'uninteresting' hunks
omission mechanism can make that there is no patch corresponding to
line in raw format (difftree) output. That is why (at least for now)
we use --combined and not --cc format for showing commitdiff for merge
commits.
Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
gitweb: Make it possible to use pre-parsed info in git_difftree_body
Make it possible to use pre-parsed, or generated by hand, difftree
info in git_difftree_body, similarly to how was and is it done in
git_patchset_body.
Use just introduced feature in git_commitdiff to parse difftree info
(raw diff output) only once: difftree info is now parsed in
git_commitdiff directly, and parsed information is passed to both
git_difftree_body and git_patchset_body. (Till now only git_blobdiff
made use of git_patchset_body ability to use pre-parsed or hand
generated info.) Additionally this makes rename info for combined diff
with renames (or copies) calculated only once in git_difftree_body;
the $difftree is modified and git_patchset_body makes use of added
info.
Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
gitweb: Add combined diff support to git_patchset_body
Calling convention for combined diff similar to the one for
git_difftree_body subroutine: difftree info (first parameter) must be
result of calling git-diff-tree with -c/--cc option, and all parents
of a commit must be passed as last parameters. See also description in
"gitweb: Add combined diff support to git_difftree_body"
This ability is not used yet.
Generating "src" file name for renames in combined diff was separated
into fill_from_file_info subroutine; git_difftree_body was modified to
use it. Currently git_difftree_body and git_patchset_body fills this
info separately.
The from-file line in two-line from-file/to-file header is not
hyperlinked: there can be more than one "from"/"src" file. This
differs from HTML output of ordinary (not combined) diff.
format_diff_line subroutine needs extra $from/$to parameters to format
combined diff patch line correctly.
Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
gitweb: Add combined diff support to git_difftree_body
You have to pass all parents as final parameters of git_difftree_body
subroutine; the number of parents of a diff must be equal to the
number derived from parsing git-diff-tree output, raw combined diff
for git_difftree_body to display combined diff correctly (but it is
not checked).
Currently the possibility of displaying diffree of combined diff is
not used in gitweb code; git_difftree_body is always caled for
ordinary diff, and with only one parent.
Description of output for combined diff:
----------------------------------------
The difftree table for combined diff starts with a cell with pathname
of changed blob (changed file), which if possible is hidden link
(class="list") to the 'blob' view of final version (if it exists),
like for difftree for ordinary diff. If file was deleted in the final
commit then filename is not hyperlinked.
There is no cell with single file status (new, deleted, mode change,
rename), as for combined diff as there is no single status: different
parents might have different status.
If git_difftree_body was called from git_commitdiff (for 'commitdiff'
action) there is inner link to anchor to appropriate fragment (patch)
in patchset body; the "patch" link does not replace "diff" link like
for ordinary diff.
Each of "diff" links is in separate cell, contrary to output for
ordinary diff in which all links are (at least for now) in a single
cell.
For each parent, if file was not present we leave cell empty. If file
was deleted in the result, we provide link to 'blob' view. Otherwise
we provide link to 'commitdiff' view, even if patch (diff) consist
only of extended diff header, and contents is not changed (pure
rename, pure mode change). The only difference is that link to
"blobdiff" view with no contents change is with 'nochange' class.
At last, there is provided link to current version of file as "blob"
link, if the file was not deleted in the result, and lik to history of
a file, if there exists one. (The link to file history might be
confused, at least for now, by renames.)
Note that git-diff-tree raw output dor combined diff does not provide
filename before change for renames and copies; we use
git_get_path_by_hash to get "src" filename for renames (this means
additional call to git-ls-tree for a _whole_ tree).
Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
gitweb: Add parsing of raw combined diff format to parse_difftree_raw_line
Add parsing line of raw combined diff ("git diff-tree -c/-cc" output)
as described in section "diff format for merges" in diff-format.txt
to parse_difftree_raw_line subroutine.
Returned hash (or hashref) has for combined diff 'nparents' key which
holds number of parents in a merge. At keys 'from_mode' and 'from_id'
there are arrayrefs holding modes and ids, respectively. There is no
'similarity' value, and there is only 'to_file' value and no
'from_file' value.
Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
Randal L. Schwartz pointed out multiple times that we should be
testing the length of the name string here, not if it is "true".
The problem is the string '0' is actually false in Perl when we
try to evaluate it in this context, as '0' is 0 numerically and
the number 0 is treated as a false value. This would cause us
to break out of the import loop early if anyone had a file or
directory named "0".
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
diff: release blobs after generating textual diff.
This reduces the memory pressure when dealing with many paths.
An unscientific test of running "diff-tree --stat --summary -M"
between v2.6.19 and v2.6.20-rc1 in the linux kernel repository
indicates that the number of minor faults are reduced by 2/3.
dir.c: Omit non-excluded directories with dir->show_ignored
This makes "git-ls-files --others --directory --ignored" behave
as documented and consequently also fixes "git-clean -d -X".
Previously, git-clean would remove non-excluded directories
even when using the -X option.
Signed-off-by: Michael Spang <mspang@uwaterloo.ca> Signed-off-by: Junio C Hamano <junkio@cox.net>
* maint:
Documentation: don't reference non-existent 'git-cvsapplycommit'
user-manual: stop deprecating the manual
user-manual: miscellaneous editing
user-manual: fix .gitconfig editing examples
user-manual: clean up fast-forward and dangling-objects sections
user-manual: add section ID's
user-manual: more discussion of detached heads, fix typos
git-gui: Allow spaces in path to 'wish'
gitk: Allow user to choose whether to see the diff, old file, or new file
It's just as much a work-in-progress, but at least now it's gotten
enough technical review to shake out most of the really bad lies, so
hopefully it doesn't do any actual damage. And if we encourage people
to read it, they'll be more likely to whine about it, which will help
get it fixed faster.
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
I cherry-picked some additional miscellaneous fixes from those suggested
by Santi Béjar, including fixes to:
- correct discussion of repository/HEAD->repository shortcut
- add mention of git-mergetool
- add mention of --track
- mention "-f" as well as "+" for fetch
Cc: Santi Béjar <sbejar@gmail.com> Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Santi Béjar points out that when telling people how to "introduce
themselves" to git we're advising them to replace their entire
.gitconfig file. Fix that.
Cc: "Santi Béjar <sbejar@gmail.com> Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
user-manual: clean up fast-forward and dangling-objects sections
The previous commit calls attention to the fact that we have two
sections each devoted to fast-forwards and to dangling objects. Revise
and attempt to differentiate them a bit. Some more reorganization may
be required later....
Any section lacking an id gets an annoying warning when you build
the manual. More seriously, the table of contents then generates
volatile id's which change with every build, with the effect that
we get URL's that change all the time.
The ID's are manually generated and sometimes inconsistent, but
that's OK.
XXX: what to do about the preface?
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
* maint:
Small correction in reading of commit headers
Documentation: fix typo in git-remote.txt
Add test for blame corner cases.
blame: -C -C -C
blame: Notice a wholesale incorporation of an existing file.
Fix --boundary output
diff format documentation: describe raw combined diff format
Mention version 1.5.1 in tutorial and user-manual
Add --no-rebase option to git-svn dcommit
Fix markup in git-svn man page
When you do this, existing "blame -C -C" would not find that the
latter half of the file2 came from the existing file1:
... both file1 and file2 are tracked ...
$ cat file1 >>file2
$ git add file1 file2
$ git commit
This is because we avoid the expensive find-copies-harder code
that makes unchanged file (in this case, file1) as a candidate
for copy & paste source when annotating an existing file
(file2). The third -C now allows it. However, this obviously
makes the process very expensive. We've actually seen this
patch before, but I dismissed it because it covers such a narrow
(and arguably stupid) corner case.
blame: Notice a wholesale incorporation of an existing file.
The -C option to blame tries to find a section of a preimage
file by running diff against the lines whose origin is still
unknown, and excluding the different parts. The code however
did not cover the case where the tail part of the section
matched, which we handle for the normal non-move/copy codepath.
This breakage was most visible when preimage file matches in its
entirety and failed to pass blame in such a case.
Most other documentation will frequently be read from an installation
of git so will naturally be associated with the installed version.
But these two documents in particular are often read from web pages
while users are still exploring git. It's important to mention
version 1.5.1 since these documents provide example commands that
won't work with previous versions of git.
git-svn dcommit exports commits to Subversion, then imports them back
to git again, and last but not least rebases or resets HEAD to the
last of the new commits. I guess this rebasing is convenient when
using just git, but when the commits to be exported are managed by
StGIT, it's really annoying. So add an option to disable this
behavior. And document it, too!
Signed-off-by: Karl Hasselström <kha@treskal.com> Acked-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
git-tag(1): -v option is a subcommand; fix code block
When the -v is passed, git-tag will exit after it is processed like it
does with the -d and -l options. Additionally, missing code block caused
wrong rendering of an option example.
Signed-off-by: Jonas Fonseca <fonseca@diku.dk> Signed-off-by: Junio C Hamano <junkio@cox.net>