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2010-01-13Merge branch 'nd/sparse'Libravatar Junio C Hamano1-1/+9
* nd/sparse: (25 commits) t7002: test for not using external grep on skip-worktree paths t7002: set test prerequisite "external-grep" if supported grep: do not do external grep on skip-worktree entries commit: correctly respect skip-worktree bit ie_match_stat(): do not ignore skip-worktree bit with CE_MATCH_IGNORE_VALID tests: rename duplicate t1009 sparse checkout: inhibit empty worktree Add tests for sparse checkout read-tree: add --no-sparse-checkout to disable sparse checkout support unpack-trees(): ignore worktree check outside checkout area unpack_trees(): apply $GIT_DIR/info/sparse-checkout to the final index unpack-trees(): "enable" sparse checkout and load $GIT_DIR/info/sparse-checkout unpack-trees.c: generalize verify_* functions unpack-trees(): add CE_WT_REMOVE to remove on worktree alone Introduce "sparse checkout" dir.c: export excluded_1() and add_excludes_from_file_1() excluded_1(): support exclude files in index unpack-trees(): carry skip-worktree bit over in merged_entry() Read .gitignore from index if it is skip-worktree Avoid writing to buffer in add_excludes_from_file_1() ... Conflicts: .gitignore Documentation/config.txt Documentation/git-update-index.txt Makefile entry.c t/t7002-grep.sh
2010-01-07Merge branch 'mv/commit-date'Libravatar Junio C Hamano1-1/+5
* mv/commit-date: Document date formats accepted by parse_date() builtin-commit: add --date option
2009-12-30Merge branch 'maint'Libravatar Junio C Hamano1-2/+4
* maint: textconv: stop leaking file descriptors commit: --cleanup is a message option git count-objects: handle packs bigger than 4G t7102: make the test fail if one of its check fails Documentation: always respect core.worktree if set
2009-12-30Merge branch 'maint-1.6.1' into maintLibravatar Junio C Hamano1-2/+4
* maint-1.6.1: textconv: stop leaking file descriptors commit: --cleanup is a message option git count-objects: handle packs bigger than 4G t7102: make the test fail if one of its check fails Conflicts: builtin-commit.c diff.c
2009-12-29Merge branch 'maint-1.6.0' into maint-1.6.1Libravatar Junio C Hamano1-2/+4
* maint-1.6.0: commit: --cleanup is a message option t7102: make the test fail if one of its check fails
2009-12-29commit: --cleanup is a message optionLibravatar Greg Price1-2/+4
In the usage message for "git commit", the --cleanup option appeared at the end, as one of the "contents options": usage: git commit [options] [--] <filepattern>... ... Commit message options ... Commit contents options ... --allow-empty ok to record an empty change --cleanup <default> how to strip spaces and #comments from message This is confusing, in part because it makes it ambiguous whether --allow-empty, just above, refers to an empty diff or an empty message. Move --cleanup into the 'message options' group. Also add a pair of comments to prevent similar oversights in the future. Signed-off-by: Greg Price <price@ksplice.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-27Merge branch 'jk/1.7.0-status'Libravatar Junio C Hamano1-20/+104
* jk/1.7.0-status: status/commit: do not suggest "reset HEAD <path>" while merging commit/status: "git add <path>" is not necessarily how to resolve commit/status: check $GIT_DIR/MERGE_HEAD only once t7508-status: test all modes with color t7508-status: status --porcelain ignores relative paths setting status: reduce duplicated setup code status: disable color for porcelain format status -s: obey color.status builtin-commit: refactor short-status code into wt-status.c t7508-status.sh: Add tests for status -s status -s: respect the status.relativePaths option docs: note that status configuration affects only long format commit: support alternate status formats status: add --porcelain output format status: refactor format option parsing status: refactor short-mode printing to its own function status: typo fix in usage git status: not "commit --dry-run" anymore git stat -s: short status output git stat: the beginning of "status that is not a dry-run of commit" Conflicts: t/t4034-diff-words.sh wt-status.c
2009-12-16Merge branch 'maint' to sync with 1.6.5.7Libravatar Junio C Hamano1-1/+3
* maint: Git 1.6.5.7 worktree: don't segfault with an absolute pathspec without a work tree ignore unknown color configuration help.autocorrect: do not run a command if the command given is junk Illustrate "filter" attribute with an example
2009-12-16ignore unknown color configurationLibravatar Jeff King1-1/+3
When parsing the config file, if there is a value that is syntactically correct but unused, we generally ignore it. This lets non-core porcelains store arbitrary information in the config file, and it means that configuration files can be shared between new and old versions of git (the old versions might simply ignore certain configuration). The one exception to this is color configuration; if we encounter a color.{diff,branch,status}.$slot variable, we die if it is not one of the recognized slots (presumably as a safety valve for user misconfiguration). This behavior has existed since 801235c (diff --color: use $GIT_DIR/config, 2006-06-24), but hasn't yet caused a problem. No porcelain has wanted to store extra colors, and we once a color area (like color.diff) has been introduced, we've never changed the set of color slots. However, that changed recently with the addition of color.diff.func. Now a user with color.diff.func in their config can no longer freely switch between v1.6.6 and older versions; the old versions will complain about the existence of the variable. This patch loosens the check to match the rest of git-config; unknown color slots are simply ignored. This doesn't fix this particular problem, as the older version (without this patch) is the problem, but it at least prevents it from happening again in the future. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-14commit: correctly respect skip-worktree bitLibravatar Nguyễn Thái Ngọc Duy1-4/+7
Commit b4d1690 (Teach Git to respect skip-worktree bit (reading part)) fails to make "git commit -- a b c" respect skip-worktree (i.e. not committing paths that are skip-worktree). This is because when the index is reset back to HEAD, all skip-worktree information is gone. This patch saves skip-worktree information in the string list of committed paths, then reuse it later on to skip skip-worktree paths. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-12status/commit: do not suggest "reset HEAD <path>" while mergingLibravatar Junio C Hamano1-0/+2
Suggesting "'reset HEAD <path>' to unstage" is dead wrong if we are about to record a merge commit. For either an unmerged path (i.e. with unresolved conflicts), or an updated path, it would result in discarding what the other branch did. Note that we do not do anything special in a case where we are amending a merge. The user is making an evil merge starting from an already committed merge, and running "reset HEAD <path>" is the right way to get rid of the local edit that has been added to the index. Once "reset --unresolve <path>" becomes available, we might want to suggest it for a merged path that has unresolve information, but until then, just remove the incorrect advice. We might also want to suggest "checkout --conflict <path>" to revert the file in the work tree to the state of failed automerge for an unmerged path, but we never did that, and this commit does not change that. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-12commit/status: check $GIT_DIR/MERGE_HEAD only onceLibravatar Junio C Hamano1-6/+4
The code checked for the MERGE_HEAD file to see if we were about to commit a merge twice in the codepath; also one of them used a variable merge_head_sha1[] which was set but was never used. Just check it once, but do so also in "git status", too, as we will be using this for status generation in the next patch. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-07status: reduce duplicated setup codeLibravatar Jeff King1-12/+7
We have three output formats: short, porcelain, and long. The short and long formats respect user-config, and the porcelain one does not. This led to us repeating config-related setup code for the short and long formats. Since the last commit, color config is explicitly cleared when showing the porcelain format. Let's do the same with relative-path configuration, which enables us to hoist the duplicated code from the switch statement in cmd_status. As a bonus, this fixes "commit --dry-run --porcelain", which was unconditionally setting up that configuration, anyway. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-07status: disable color for porcelain formatLibravatar Jeff King1-2/+2
The porcelain format is identical to the shortstatus format, except that it should not respect any user configuration, including color. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-05status -s: obey color.statusLibravatar Michael J Gruber1-0/+4
Make the short version of status obey the color.status boolean. We color the status letters only, because they carry the state information and are potentially colored differently, such as for a file with staged changes as well as changes in the worktree against the index. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-05builtin-commit: refactor short-status code into wt-status.cLibravatar Michael J Gruber1-97/+4
Currently, builtin-commit.c contains most code producing the short-status output, whereas wt-status.c contains most of the code for the long format. Refactor so that most of the long and short format producing code resides in wt-status.c and is named analogously. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-03builtin-commit: add --date optionLibravatar Miklos Vajna1-1/+5
This is like --author: allow a user to specify a given date without using the GIT_AUTHOR_DATE environment variable. Signed-off-by: Miklos Vajna <vmiklos@frugalware.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-11-30Merge branch 'em/commit-claim'Libravatar Junio C Hamano1-3/+9
2009-11-26status -s: respect the status.relativePaths optionLibravatar Michael J Gruber1-0/+2
Otherwise, 'status' and 'status -s' in a subdir would produce different names. This change is all the more important because status.relativePaths is on by default. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-11-22Merge branch 'mm/config-pathname-tilde-expand'Libravatar Junio C Hamano1-1/+1
* mm/config-pathname-tilde-expand: Documentation: avoid xmlto input error expand_user_path: expand ~ to $HOME, not to the actual homedir. Expand ~ and ~user in core.excludesfile, commit.template
2009-11-17Expand ~ and ~user in core.excludesfile, commit.templateLibravatar Matthieu Moy1-1/+1
These config variables are parsed to substitute ~ and ~user with getpw entries. user_path() refactored into new function expand_user_path(), to allow dynamically allocating the return buffer. Original patch by Karl Chen, modified by Matthieu Moy, and further amended by Junio C Hamano. Signed-off-by: Karl Chen <quarl@quarl.org> Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-11-06Merge branch 'jc/commit-s-subject-is-not-a-footer'Libravatar Junio C Hamano1-1/+1
* jc/commit-s-subject-is-not-a-footer: builtin-commit.c: fix logic to omit empty line before existing footers
2009-11-06builtin-commit.c: fix logic to omit empty line before existing footersLibravatar Junio C Hamano1-1/+1
"commit -s" used to add an empty line before adding S-o-b line only when the last line of the existing log message is not another S-o-b line, but c1e01b0 (commit: More generous accepting of RFC-2822 footer lines., 2009-10-28) introduced logic to omit this empty line when the message ends with a run of "footer" lines, to cover S-o-b's friends, e.g. Acked-by. However, the logic was overzealous and missed one corner case. A message that consists of a single line that begins with Token + colon, it can be mistaken as a S-o-b's friend. We do want an empty line in such a case. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-11-04commit -c/-C/--amend: reset timestamp and authorship to committer with ↵Libravatar Erick Mattos1-3/+9
--reset-author When we use -c, -C, or --amend, we are trying one of two things: using the source as a template or modifying a commit with corrections. When these options are used, the authorship and timestamp recorded in the newly created commit are always taken from the original commit. This is inconvenient when we just want to borrow the commit log message or when our change to the code is so significant that we should take over the authorship (with the blame for bugs we introduce, of course). The new --reset-author option is meant to solve this need by regenerating the timestamp and setting the committer as the new author. Signed-off-by: Erick Mattos <erick.mattos@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-10-30fixup tr/stash-format mergeLibravatar Junio C Hamano1-2/+6
2009-10-28commit: More generous accepting of RFC-2822 footer lines.Libravatar David Brown1-1/+42
'git commit -s' will insert a blank line before the Signed-off-by line at the end of the message, unless this last line is a Signed-off-by line itself. Common use has other trailing lines at the ends of commit text, in the style of RFC2822 headers. Be more generous in considering lines to be part of this footer. If the last paragraph of the commit message reasonably resembles RFC-2822 formatted lines, don't insert that blank line. The new Signed-off-by line is still only suppressed when the author's existing Signed-off-by is the last line of the message. Signed-off-by: David Brown <davidb@quicinc.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-10-19Refactor pretty_print_commit arguments into a structLibravatar Thomas Rast1-2/+6
pretty_print_commit() has a bunch of rarely-used arguments, and introducing more of them requires yet another update of all the call sites. Refactor most of them into a struct to make future extensions easier. The ones that stay "plain" arguments were chosen on the grounds that all callers put real arguments there, whereas some callers have 0/NULL for all arguments that were factored into the struct. We declare the struct 'const' to ensure none of the callers are bitten by the changed (no longer call-by-value) semantics. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-09-05commit: support alternate status formatsLibravatar Jeff King1-7/+32
The status command recently grew "short" and "porcelain" options for alternate output formats. Since status is no longer "commit --dry-run", these formats are inaccessible to people who do want to see a dry-run in a parseable form. This patch makes those formats available to "git commit", implying the "dry-run" option when they are used. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-09-05status: add --porcelain output formatLibravatar Jeff King1-1/+8
The "short" format was added to "git status" recently to provide a less verbose way of looking at the same information. This has two practical uses: 1. Users who want a more dense display of the information. 2. Scripts which want to parse the information and need a stable, easy-to-parse interface. For now, the "--short" format covers both of those uses. However, as time goes on, users of (1) may want additional format tweaks, or for "git status" to change its behavior based on configuration variables. Those wishes will be at odds with (2), which wants to stability for scripts. This patch introduces a separate --porcelain option early to avoid problems later on. Right now the --short and --porcelain outputs are identical. However, as time goes on, we will have the freedom to customize --short for human consumption while keeping --porcelain stable. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-09-05status: refactor format option parsingLibravatar Jeff King1-7/+14
This makes it possible to have more than two formats. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-09-05status: refactor short-mode printing to its own functionLibravatar Jeff King1-20/+25
We want to be able to call it from multiple places. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-09-05status: typo fix in usageLibravatar Jeff King1-1/+1
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-23Teach Git to respect skip-worktree bit (reading part)Libravatar Nguyễn Thái Ngọc Duy1-0/+5
grep: turn on --cached for files that is marked skip-worktree ls-files: do not check for deleted file that is marked skip-worktree update-index: ignore update request if it's skip-worktree, while still allows removing diff*: skip worktree version Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-22git status: not "commit --dry-run" anymoreLibravatar Junio C Hamano1-25/+4
This removes tentative "git stat" and make it take over "git status". There are some tests that expect "git status" to exit with non-zero status when there is something staged. Some tests expect "git status path..." to show the status for a partial commit. For these, replace "git status" with "git commit --dry-run". For the ones that do not attempt a dry-run of a partial commit that check the output from the command, check the output from "git status" as well, as they should be identical. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-22git stat -s: short status outputLibravatar Junio C Hamano1-8/+106
Give -s(hort) option to "git stat" that shows the status of paths in a more concise way. XY PATH1 -> PATH2 format to be more machine readable than output from "git status", which is about previewing of "git commit" with the same arguments. PATH1 is the path in the HEAD, and " -> PATH2" part is shown only when PATH1 corresponds to a different path in the index/worktree. For unmerged entries, X shows the status of stage #2 (i.e. ours) and Y shows the status of stage #3 (i.e. theirs). For entries that do not have conflicts, X shows the status of the index, and Y shows the status of the work tree. For untracked paths, XY are "??". X Y Meaning ------------------------------------------------- [MD] not updated M [ MD] updated in index A [ MD] added to index D [ MD] deleted from index R [ MD] renamed in index C [ MD] copied in index [MARC] index and work tree matches [ MARC] M work tree changed since index [ MARC] D deleted in work tree D D unmerged, both deleted A U unmerged, added by us U D unmerged, deleted by them U A unmerged, added by them D U unmerged, deleted by us A A unmerged, both added U U unmerged, both modified ? ? untracked When given -z option, the records are terminated by NUL characters for better machine readability. Because the traditional long format is designed for human consumption, NUL termination does not make sense. For this reason, -z option implies -s (short output). Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-22git stat: the beginning of "status that is not a dry-run of commit"Libravatar Junio C Hamano1-10/+65
Tentatively add "git stat" as a new command. This is not "preview of commit with the same arguments"; the path parameters are not paths to be added to the pristine index (aka "--only" option), but are taken as pathspecs to limit the output. Later in 1.7.0 release, it will take over "git status". Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-15git commit --dry-run -v: show diff in color when askedLibravatar Junio C Hamano1-2/+4
The earlier implementation of --dry-run didn't duplicate the use of color "git status -v" set up for diff output. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-10Make git_status_config() file scope static to builtin-commit.cLibravatar Junio C Hamano1-0/+60
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-10wt-status: move many global settings to wt_status structureLibravatar Junio C Hamano1-39/+48
Turn four global variables (wt_status_use_color, show_tracked_files, wt_status_relative_paths, and wt_status_submodule_summary) into fields of wt_status structure. They can also lose "wt_status_" prefix. Get rid of "untracked" field that was used only to keep track of otherwise available information redundantly. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-07commit: --dry-runLibravatar Junio C Hamano1-13/+16
This teaches --dry-run option to "git commit". It is the same as "git status", but in the longer term we would want to change the semantics of "git status" not to be the preview of commit, and this is the first step for doing so. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-06wt-status.c: rework the way changes to the index and work tree are summarizedLibravatar Junio C Hamano1-5/+8
Introduce a new infrastructure to find and summarize changes in a single string list, and rewrite wt_status_print_{updated,changed} functions using it. The goal of this change is to give more information on conflicted paths in the status output. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-06-27Use die_errno() instead of die() when checking syscallsLibravatar Thomas Rast1-2/+3
Lots of die() calls did not actually report the kind of error, which can leave the user confused as to the real problem. Use die_errno() where we check a system/library call that sets errno on failure, or one of the following that wrap such calls: Function Passes on error from -------- -------------------- odb_pack_keep open read_ancestry fopen read_in_full xread strbuf_read xread strbuf_read_file open or strbuf_read_file strbuf_readlink readlink write_in_full xwrite Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-06-27Convert existing die(..., strerror(errno)) to die_errno()Libravatar Thomas Rast1-13/+10
Change calls to die(..., strerror(errno)) to use the new die_errno(). In the process, also make slight style adjustments: at least state _something_ about the function that failed (instead of just printing the pathname), and put paths in single quotes. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-25parse-opts: add OPT_FILENAME and transition builtinsLibravatar Stephen Boyd1-8/+2
Commit dbd0f5c (Files given on the command line are relative to $cwd, 2008-08-06) introduced parse_options_fix_filename() as a minimal fix. OPT_FILENAME is intended to be a more robust fix for the same issue. OPT_FILENAME and its associated enum OPTION_FILENAME are used to represent filename options within the parse options API. This option is similar to OPTION_STRING. If --no is prefixed to the option the filename is unset. If no argument is given and the default value is set, the filename is set to the default value. The difference is that the filename is prefixed with the prefix passed to parse_options() (or parse_options_start()). Update git-apply, git-commit, git-fmt-merge-msg, and git-tag to use OPT_FILENAME with their filename options. Also, rename parse_options_fix_filename() to fix_filename() as it is no longer extern. Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-25parse-opts: prepare for OPT_FILENAMELibravatar Stephen Boyd1-1/+2
To give OPT_FILENAME the prefix, we pass the prefix to parse_options() which passes the prefix to parse_options_start() which sets the prefix member of parse_opts_ctx accordingly. If there isn't a prefix in the calling context, passing NULL will suffice. Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-23commit: -F overrides -tLibravatar Stephen Boyd1-0/+4
Commit dbd0f5c7 (Files given on the command line are relative to $cwd, 2008-08-06) introduced parse_options_fix_filename() as a quick fix for filename arguments used in the parse options API. git-commit was still broken. This means git commit -F log -t temp in a subdirectory would make git think the log message should be taken from temp instead of log. This is because parse_options_fix_filename() calls prefix_filename() which uses a single static char buffer to do its work. Making two calls with two char pointers causes the pointers to alias. To prevent aliasing, we duplicate the string returned by parse_options_fix_filename(). Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-05Merge branch 'maint-1.6.1' into maintLibravatar Junio C Hamano1-1/+2
* maint-1.6.1: commit: abort commit if interactive add failed git-repack: use non-dashed update-server-info
2009-04-05Merge branch 'maint-1.6.0' into maint-1.6.1Libravatar Junio C Hamano1-1/+2
* maint-1.6.0: commit: abort commit if interactive add failed git-repack: use non-dashed update-server-info Conflicts: builtin-commit.c
2009-04-05commit: abort commit if interactive add failedLibravatar Jeff King1-1/+2
Previously we ignored the result of calling add_interactive, which meant that if an error occurred we simply committed whatever happened to be in the index. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-10Generalize and libify index_is_dirty() to index_differs_from(...)Libravatar Stephan Beyer1-11/+2
index_is_dirty() in builtin-revert.c checks if the index is dirty. This patch generalizes this function to check if the index differs from a revision, i.e. the former index_is_dirty() behavior can now be achieved by index_differs_from("HEAD", 0). The second argument "diff_flags" allows to set further diff option flags like DIFF_OPT_IGNORE_SUBMODULES. See DIFF_OPT_* macros in diff.h for a list. index_differs_from() seems to be useful for more than builtin-revert.c, so it is moved into diff-lib.c and also used in builtin-commit.c. Yet to mention: - "rev.abbrev = 0;" can be safely removed. This has no impact on performance or functioning of neither setup_revisions() nor run_diff_index(). - rev.pending.objects is free()d because this fixes a leak. (Also see 295dd2ad "Fix memory leak in traverse_commit_list") Mentored-by: Daniel Barkalow <barkalow@iabervon.org> Mentored-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Stephan Beyer <s-beyer@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>