Documentation / RelNotes / 1.8.2.txton commit upload-pack: share more code (cbbe50d)
   1Git v1.8.2 Release Notes
   2========================
   3
   4Backward compatibility notes
   5----------------------------
   6
   7In the upcoming major release (tentatively called 1.8.2), we will
   8change the behavior of the "git push" command.
   9
  10When "git push [$there]" does not say what to push, we have used the
  11traditional "matching" semantics so far (all your branches were sent
  12to the remote as long as there already are branches of the same name
  13over there).  We will use the "simple" semantics that pushes the
  14current branch to the branch with the same name, only when the current
  15branch is set to integrate with that remote branch.  There is a user
  16preference configuration variable "push.default" to change this.
  17
  18
  19Updates since v1.8.1
  20--------------------
  21
  22UI, Workflows & Features
  23
  24 * Initial ports to QNX and z/OS UNIX System Services have started.
  25
  26 * Output from the tests is coloured using "green is okay, yellow is
  27   questionable, red is bad and blue is informative" scheme.
  28
  29 * In bare repositories, "git shortlog" and other commands now read
  30   mailmap files from the tip of the history, to help running these
  31   tools in server settings.
  32
  33 * Color specifiers, e.g. "%C(blue)Hello%C(reset)", used in the
  34   "--format=" option of "git log" and friends can be disabled when
  35   the output is not sent to a terminal by prefixing them with
  36   "auto,", e.g. "%C(auto,blue)Hello%C(auto,reset)".
  37
  38 * Scripts can ask Git that wildcard patterns in pathspecs they give do
  39   not have any significance, i.e. take them as literal strings.
  40
  41 * The pathspec code learned to grok "foo/**/bar" as a pattern that
  42   matches "bar" in 0-or-more levels of subdirectory in "foo".
  43
  44 * "git blame" (and "git diff") learned the "--no-follow" option.
  45
  46 * "git cherry-pick" can be used to replay a root commit to an unborn
  47   branch.
  48
  49 * "git fetch --mirror" and fetch that uses other forms of refspec
  50   with wildcard used to attempt to update a symbolic ref that match
  51   the wildcard on the receiving end, which made little sense (the
  52   real ref that is pointed at by the symbolic ref would be updated
  53   anyway).  Symbolic refs no longer are affected by such a fetch.
  54
  55 * "git format-patch" now detects more cases in which a whole branch
  56   is being exported, and uses the description for the branch, when
  57   asked to write a cover letter for the series.
  58
  59 * "git format-patch" learned "-v $count" option, and prepends a
  60   string "v$count-" to the names of its output files, and also
  61   automatically sets the subject prefix to "PATCH v$count". This
  62   allows patches from rerolled series to be stored under different
  63   names and makes it easier to reuse cover letter messsages.
  64
  65 * "git push" now requires "-f" to update a tag, even if it is a
  66   fast-forward, as tags are meant to be fixed points.
  67
  68 * When "git rebase" fails to generate patches to be applied (e.g. due
  69   to oom), it failed to detect the failure and instead behaved as if
  70   there were nothing to do.  A workaround to use a temporary file has
  71   been applied, but we probably would want to revisit this later, as
  72   it hurts the common case of not failing at all.
  73
  74 * "git submodule" started learning a new mode to integrate with the
  75   tip of the remote branch (as opposed to integrating with the commit
  76   recorded in the superproject's gitlink).
  77
  78
  79Foreign Interface
  80
  81 * "git fast-export" has been updated for its use in the context of
  82   the remote helper interface.
  83
  84 * A new remote helper to interact with bzr has been added to contrib/.
  85
  86
  87Performance, Internal Implementation, etc.
  88
  89 * "git fsck" has been taught to be pickier about entries in tree
  90   objects that should not be there, e.g. ".", ".git", and "..".
  91
  92 * Matching paths with common forms of pathspecs that contain wildcard
  93   characters has been optimized further.
  94
  95 * The implementation of "imap-send" has been updated to reuse xml
  96   quoting code from http-push codepath.
  97
  98 * There is a simple-minded checker for the test scripts in t/
  99   directory to catch most common mistakes (it is not enabled by
 100   default).
 101
 102
 103Also contains minor documentation updates and code clean-ups.
 104
 105
 106Fixes since v1.8.1
 107------------------
 108
 109Unless otherwise noted, all the fixes since v1.8.1 in the maintenance
 110track are contained in this release (see release notes to them for
 111details).
 112
 113 * An element on GIT_CEILING_DIRECTORIES list that does not name the
 114   real path to a directory (i.e. a symbolic link) could have caused
 115   the GIT_DIR discovery logic to escape the ceiling.
 116   (merge 059b379 mh/ceiling later to maint).
 117
 118 * When attempting to read the XDG-style $HOME/.config/git/config and
 119   finding that $HOME/.config/git is a file, we gave a wrong error
 120   message, instead of treating the case as "a custom config file does
 121   not exist there" and moving on.
 122   (merge 8f2bbe4 jn/warn-on-inaccessible-loosen later to maint).
 123
 124 * The behaviour visible to the end users was confusing, when they
 125   attempt to kill a process spawned in the editor that was in turn
 126   launched by Git with SIGINT (or SIGQUIT), as Git would catch that
 127   signal and die.  We ignore these signals now.
 128   (merge 1250857 pf/editor-ignore-sigint later to maint).
 129
 130 * A child process that was killed by a signal (e.g. SIGINT) was
 131   reported in an inconsistent way depending on how the process was
 132   spawned by us, with or without a shell in between.
 133   (merge 709ca73 jk/unify-exit-code-by-receiving-signal later to maint).
 134
 135 * After failing to create a temporary file using mkstemp(), failing
 136   pathname was not reported correctly on some platforms.
 137   (merge f7be59b jc/mkstemp-more-careful-error-reporting later to maint).
 138
 139 * The attribute mechanism didn't allow limiting attributes to be
 140   applied to only a single directory itself with "path/" like the
 141   exclude mechanism does.
 142   (merge 94bc671 ja/directory-attrs later to maint).
 143
 144 * "git apply" misbehaved when fixing whitespace breakages by removing
 145   excess trailing blank lines.
 146   (merge 5de7166 jc/apply-trailing-blank-removal later to maint).
 147
 148 * A tar archive created by "git archive" recorded a directory in a
 149   way that made NetBSD's implementation of "tar" sometimes unhappy.
 150   (merge 22f0dcd rs/leave-base-name-in-name-field-of-tar later to maint).
 151
 152 * "git archive" did not record uncompressed size in the header when
 153   streaming a zip archive, which confused some implementations of unzip.
 154   (merge 5ea2c84 rs/zip-with-uncompressed-size-in-the-header later to maint).
 155
 156 * When "git clone --separate-git-dir=$over_there" is interrupted, it
 157   failed to remove the real location of the $GIT_DIR it created.
 158   This was most visible when interrupting a submodule update.
 159   (merge 9be1980 jl/interrupt-clone-remove-separate-git-dir later to maint).
 160
 161 * The way "git svn" asked for password using SSH_ASKPASS and
 162   GIT_ASKPASS was not in line with the rest of the system.
 163   (merge e9263e4 ss/svn-prompt later to maint).
 164
 165 * The --graph code fell into infinite loop when asked to do what the
 166   code did not expect.
 167   (merge 656197a mk/maint-graph-infinity-loop later to maint).
 168
 169 * http transport was wrong to ask for the username when the
 170   authentication is done by certificate identity.
 171   (merge 75e9a40 rb/http-cert-cred-no-username-prompt later to maint).
 172
 173 * "git pack-refs" that ran in parallel to another process that
 174   created new refs had a nasty race.
 175   (merge b3f1280 jk/repack-ref-racefix later to maint).
 176
 177 * After "git add -N" and then writing a tree object out of the
 178   index, the cache-tree data structure got corrupted.
 179   (merge eec3e7e nd/invalidate-i-t-a-cache-tree later to maint).
 180
 181 * "git merge --no-edit" computed who were involved in the work done
 182   on the side branch, even though that information is to be discarded
 183   without getting seen in the editor.
 184   (merge 9bcbb1c jc/maint-fmt-merge-msg-no-edit-lose-credit later to maint).
 185
 186 * "git merge" started calling prepare-commit-msg hook like "git
 187   commit" does some time ago, but forgot to pay attention to the exit
 188   status of the hook.
 189   (merge 3e4141d ap/merge-stop-at-prepare-commit-msg-failure later to maint).
 190
 191 * When users spell "cc:" in lowercase in the fake "header" in the
 192   trailer part, "git send-email" failed to pick up the addresses from
 193   there. As e-mail headers field names are case insensitive, this
 194   script should follow suit and treat "cc:" and "Cc:" the same way.
 195   (merge 6310071 nz/send-email-headers-are-case-insensitive later to maint).
 196
 197 * Output from "git status --ignored" showed an unexpected interaction
 198   with "--untracked".
 199   (merge a45fb69 ap/status-ignored-in-ignored-directory later to maint).
 200
 201 * "gitweb", when sorting by age to show repositories with new
 202   activities first, used to sort repositories with absolutely
 203   nothing in it early, which was not very useful.
 204   (merge 28dae18 md/gitweb-sort-by-age later to maint).
 205
 206 * "gitweb"'s code to sanitize control characters before passing it to
 207   "highlight" filter lost known-to-be-safe control characters by
 208   mistake.
 209   (merge 0e901d2 os/gitweb-highlight-uncaptured later to maint).
 210
 211 * When a line to be wrapped has a solid run of non space characters
 212   whose length exactly is the wrap width, "git shortlog -w" failed
 213   to add a newline after such a line.
 214   (merge e0db176 sp/shortlog-missing-lf later to maint).
 215
 216 * Command line completion leaked an unnecessary error message while
 217   looking for possible matches with paths in <tree-ish>.
 218   (merge ca87dd6 ds/completion-silence-in-tree-path-probe later to maint).
 219
 220 * Command line completion for "tcsh" emitted an unwanted space
 221   after completing a single directory name.
 222   (merge 92f1c04 mk/complete-tcsh later to maint).
 223
 224 * Some shells do not behave correctly when IFS is unset; work it
 225   around by explicitly setting it to the default value.
 226   (merge 393050c jc/maint-fbsd-sh-ifs-workaround later to maint).
 227
 228 * Some scripted programs written in Python did not get updated when
 229   PYTHON_PATH changed.
 230   (cherry-pick 96a4647fca54031974cd6ad1 later to maint).
 231
 232 * When autoconf is used, any build on a different commit always ran
 233   "config.status --recheck" even when unnecessary.
 234   (merge 1226504 jn/less-reconfigure later to maint).
 235
 236 * We have been carrying a translated and long-unmaintained copy of an
 237   old version of the tutorial; removed.
 238   (merge 0a85441 ta/remove-stale-translated-tut later to maint).
 239
 240 * t4014, t9502 and t0200 tests had various portability issues that
 241   broke on OpenBSD.
 242   (merge 27f6342 jc/maint-test-portability later to maint).
 243
 244 * t9020 and t3600 tests had various portability issues.
 245   (merge 5a02966 jc/test-portability later to maint).
 246
 247 * t9200 runs "cvs init" on a directory that already exists, but a
 248   platform can configure this fail for the current user (e.g. you
 249   need to be in the cvsadmin group on NetBSD 6.0).
 250   (merge 8666df0 jc/test-cvs-no-init-in-existing-dir later to maint).
 251
 252 * t9020 and t9810 had a few non-portable shell script construct.
 253   (merge 2797914 tb/test-t9020-no-which later to maint).
 254   (merge 6f4e505 tb/test-t9810-no-sed-i later to maint).