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2014-06-06Merge branch 'dt/merge-recursive-case-insensitive'Libravatar Junio C Hamano1-1/+2
On a case insensitive filesystem, merge-recursive incorrectly deleted the file that is to be renamed to a name that is the same except for case differences. * dt/merge-recursive-case-insensitive: mv: allow renaming to fix case on case insensitive filesystems merge-recursive.c: fix case-changing merge bug
2014-06-06Merge branch 'rs/reflog-exists'Libravatar Junio C Hamano2-7/+3
* rs/reflog-exists: checkout.c: use ref_exists instead of file_exist refs.c: add new functions reflog_exists and delete_reflog
2014-06-06Merge branch 'tg/tag-state-tag-name-in-editor-hints'Libravatar Junio C Hamano1-4/+4
* tg/tag-state-tag-name-in-editor-hints: builtin/tag.c: show tag name to hint in the message editor
2014-06-06Merge branch 'jk/grep-tell-run-command-to-cd-when-running-pager'Libravatar Junio C Hamano1-3/+1
* jk/grep-tell-run-command-to-cd-when-running-pager: grep: use run-command's "dir" option for --open-files-in-pager
2014-06-06Merge branch 'fc/status-printf-squelch-format-zero-length-warnings'Libravatar Junio C Hamano1-1/+1
* fc/status-printf-squelch-format-zero-length-warnings: silence a bunch of format-zero-length warnings
2014-06-06Merge branch 'jk/commit-C-pick-empty'Libravatar Junio C Hamano1-3/+2
"git commit --allow-empty-message -C $commit" did not work when the commit did not have any log message. * jk/commit-C-pick-empty: commit: do not complain of empty messages from -C
2014-06-03Merge branch 'jk/commit-date-approxidate'Libravatar Junio C Hamano1-19/+60
* jk/commit-date-approxidate: commit: accept more date formats for "--date" commit: print "Date" line when the user has set date pretty: make show_ident_date public commit: use split_ident_line to compare author/committer
2014-06-03Merge branch 'fc/rerere-conflict-style'Libravatar Junio C Hamano1-0/+2
* fc/rerere-conflict-style: rerere: fix for merge.conflictstyle
2014-06-03Merge branch 'sk/tag-contains-wo-recursion'Libravatar Junio C Hamano1-15/+75
* sk/tag-contains-wo-recursion: git tag --contains: avoid stack overflow
2014-06-03Merge branch 'jx/blame-align-relative-time'Libravatar Junio C Hamano1-8/+22
"git blame" miscounted number of columns needed to show localized timestamps, resulting in jaggy left-side-edge of the source code lines in its output. * jx/blame-align-relative-time: blame: dynamic blame_date_width for different locales blame: fix broken time_buf paddings in relative timestamp
2014-06-03Merge branch 'fc/merge-default-to-upstream'Libravatar Junio C Hamano1-1/+1
"git merge" without argument, even when there is an upstream defined for the current branch, refused to run until merge.defaultToUpstream is set to true. Flip the default of that configuration variable to true. * fc/merge-default-to-upstream: merge: enable defaulttoupstream by default
2014-06-03Merge branch 'rs/ref-update-check-errors-early'Libravatar Junio C Hamano1-4/+4
* rs/ref-update-check-errors-early: commit.c: check for lock error and return early sequencer.c: check for lock failure and bail early in fast_forward_to
2014-06-03Merge branch 'nd/index-pack-one-fd-per-thread'Libravatar Junio C Hamano1-10/+17
Enable threaded index-pack on platforms without thread-unsafe pread() emulation. * nd/index-pack-one-fd-per-thread: index-pack: work around thread-unsafe pread()
2014-06-03Merge branch 'ym/fix-opportunistic-index-update-race'Libravatar Junio C Hamano1-1/+1
Read-only operations such as "git status" that internally refreshes the index write out the refreshed index to the disk to optimize future accesses to the working tree, but this could race with a "read-write" operation that modify the index while it is running. Detect such a race and avoid overwriting the index. Duy raised a good point that we may need to do the same for the normal writeout codepath, not just the "opportunistic" update codepath. While that is true, nobody sane would be running two simultaneous operations that are clearly write-oriented competing with each other against the same index file. So in that sense that can be done as a less urgent follow-up for this topic. * ym/fix-opportunistic-index-update-race: read-cache.c: verify index file before we opportunistically update it wrapper.c: add xpread() similar to xread()
2014-06-03Merge branch 'mh/ref-transaction'Libravatar Junio C Hamano6-178/+277
Update "update-ref --stdin [-z]" and then introduce a transactional support for (multi-)reference updates. * mh/ref-transaction: (27 commits) ref_transaction_commit(): work with transaction->updates in place struct ref_update: add a type field struct ref_update: add a lock field ref_transaction_commit(): simplify code using temporary variables struct ref_update: store refname as a FLEX_ARRAY struct ref_update: rename field "ref_name" to "refname" refs: remove API function update_refs() update-ref --stdin: reimplement using reference transactions refs: add a concept of a reference transaction update-ref --stdin: harmonize error messages update-ref --stdin: improve the error message for unexpected EOF t1400: test one mistake at a time update-ref --stdin -z: deprecate interpreting the empty string as zeros update-ref.c: extract a new function, parse_next_sha1() t1400: test that stdin -z update treats empty <newvalue> as zeros update-ref --stdin: simplify error messages for missing oldvalues update-ref --stdin: make error messages more consistent update-ref --stdin: improve error messages for invalid values update-ref.c: extract a new function, parse_refname() parse_cmd_verify(): copy old_sha1 instead of evaluating <oldvalue> twice ...
2014-06-03Merge branch 'jc/apply-ignore-whitespace'Libravatar Junio C Hamano1-5/+7
"--ignore-space-change" option of "git apply" ignored the spaces at the beginning of line too aggressively, which is inconsistent with the option of the same name "diff" and "git diff" have. * jc/apply-ignore-whitespace: apply --ignore-space-change: lines with and without leading whitespaces do not match
2014-05-08mv: allow renaming to fix case on case insensitive filesystemsLibravatar David Turner1-1/+2
"git mv hello.txt Hello.txt" on a case insensitive filesystem always triggers "destination already exists" error, because these two names refer to the same path from the filesystem's point of view, and requires the user to give "--force" when correcting the case of the path recorded in the index and in the next commit. Detect this case and allow it without requiring "--force". Signed-off-by: David Turner <dturner@twitter.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-08checkout.c: use ref_exists instead of file_existLibravatar Ronnie Sahlberg1-4/+1
Change checkout.c to check if a ref exists instead of checking if a loose ref file exists when deciding if to delete an orphaned log file. Otherwise, if a ref only exists as a packed ref without a corresponding loose ref for the currently checked out branch, we risk that the reflog will be deleted when we switch to a different branch. Update the reflog tests to check for this bug. The following reproduces the bug: $ git init-db $ git config core.logallrefupdates true $ git commit -m Initial --allow-empty [master (root-commit) bb11abe] Initial $ git reflog master [8561dcb master@{0}: commit (initial): Initial] $ find .git/{refs,logs} -type f | grep master [.git/refs/heads/master] [.git/logs/refs/heads/master] $ git branch foo $ git pack-refs --all $ find .git/{refs,logs} -type f | grep master [.git/logs/refs/heads/master] $ git checkout foo $ find .git/{refs,logs} -type f | grep master ... reflog file is missing ... $ git reflog master ... nothing ... Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Acked-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-08refs.c: add new functions reflog_exists and delete_reflogLibravatar Ronnie Sahlberg2-5/+4
Add two new functions, reflog_exists and delete_reflog, to hide the internal reflog implementation (that they are files under .git/logs/...) from callers. Update checkout.c to use these functions in update_refs_for_switch instead of building pathnames and calling out to file access functions. Update reflog.c to use these to check if the reflog exists. Now there are still many places in reflog.c where we are still leaking the reflog storage implementation but this at least reduces the number of such dependencies by one. Finally change two places in refs.c itself to use the new function to check if a ref exists or not isntead of build-path-and-stat(). Now, this is strictly not all that important since these are in parts of refs that are implementing the actual file storage backend but on the other hand it will not hurt either. Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Acked-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-07builtin/tag.c: show tag name to hint in the message editorLibravatar Thorsten Glaser1-4/+4
Display the tag name about to be added to the user during interactive editing. Signed-off-by: Thorsten Glaser <tg@debian.org> Signed-off-by: Richard Hartmann <richih@debian.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-07silence a bunch of format-zero-length warningsLibravatar Felipe Contreras1-1/+1
This can be observed in many versions of gcc and still exists with 4.9.0: wt-status.c: In function ‘wt_status_print_unmerged_header’: wt-status.c:191:2: warning: zero-length gnu_printf format string [-Wformat-zero-length] status_printf_ln(s, c, ""); ^ The user have long been told to pass -Wno-format-zero-length, but a patch that avoids warning altogether is not too noisy, so let's do so. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-07grep: use run-command's "dir" option for --open-files-in-pagerLibravatar Jeff King1-3/+1
Git generally changes directory to the repository root on startup. When running "grep --open-files-in-pager" from a subdirectory, we chdir back to the original directory before running the pager, so that we can feed the relative pathnames to the pager. We currently do this chdir manually, but we can ask run_command to do it for us. This is fewer lines of code, and as a bonus, the chdir is limited to the child process, which avoids any unexpected surprises for code running after the pager (there isn't any currently, but this is future-proofing). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02commit: accept more date formats for "--date"Libravatar Jeff King1-2/+25
Right now we pass off the string found by "--date" straight to the fmt_ident function, which will use our strict parse_date to normalize it. However, this means obvious things like "--date=now" or "--date=2.days.ago" will not work. Instead, let's fallback to the approxidate function to handle this for us. Note that we must try parse_date ourselves first, even though approxidate will try strict parsing itself. The reason is that approxidate throws away any timezone information it sees from the strict parsing, and we want to preserve it. So asking for: git commit --date="@1234567890 -0700" continues to set the date in -0700, regardless of what the local timezone is. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02commit: print "Date" line when the user has set dateLibravatar Jeff King1-0/+19
When we make a commit and the author is not the same as the committer (e.g., because you used "-c $commit" or "--author=$somebody"), we print the author's name and email in both the commit-message template and as part of the commit summary. This is a safety check to give the user a chance to confirm that we are doing what they expect. This patch brings the same safety for the "date" field, which may be set by "-c" or by using "--date". Note that we explicitly do not set it for $GIT_AUTHOR_DATE, as it is probably not of interest when "git commit" is being fed its parameters by a script. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02commit: use split_ident_line to compare author/committerLibravatar Jeff King1-17/+16
Instead of string-wise comparing the author/committer lines with their timestamps truncated, we can use split_ident_line and ident_cmp. These functions are more robust than our ad-hoc parsing, though in practice it should not matter, as we just generated these ident lines ourselves. However, this will also allow us easy access to the timestamp and tz fields in future patches. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-30rerere: fix for merge.conflictstyleLibravatar Felipe Contreras1-0/+2
If we use a different conflict style `git rerere forget` is not able to find the matching conflict SHA-1 because the diff generated is actually different from what `git merge` generated, due to the XDL_MERGE_* option differences among the codepaths. The fix is to call git_xmerge_config() so that git_xmerge_style is set properly and the diffs match. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-28commit: do not complain of empty messages from -CLibravatar Jeff King1-3/+2
When we pick another commit's message, we die() immediately if we find that it's empty and we are not going to run an editor (i.e., when running "-C" instead of "-c"). However, this check is redundant and harmful. It's redundant because we will already notice the empty message later, after we would have run the editor, and die there (just as we would for a regular, not "-C" case, where the user provided an empty message in the editor). It's harmful for a few reasons: 1. It does not respect --allow-empty-message. As a result, a "git rebase -i" cannot "pick" such a commit. So you cannot even go back in time to fix it with a "reword" or "edit" instruction. 2. It does not take into account other ways besides the editor to modify the message. For example, "git commit -C empty-commit -m foo" could take the author information from empty-commit, but add a message to it. There's more to do to make that work correctly (and right now we explicitly forbid "-C with -m"), but this removes one roadblock. 3. The existing check is not enough to prevent segfaults. We try to find the "\n\n" header/body boundary in the commit. If it is at the end of the string (i.e., no body), _or_ if we cannot find it at all (i.e., a truncated commit object), we consider the message empty. With "-C", that's OK; we die in either case. But with "-c", we continue on, and in the case of a truncated commit may end up dereferencing NULL+2. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-25git tag --contains: avoid stack overflowLibravatar Jean-Jacques Lafay1-15/+75
In large repos, the recursion implementation of contains(commit, commit_list) may result in a stack overflow. Replace the recursion with a loop to fix it. This problem is more apparent on Windows than on Linux, where the stack is more limited by default. See also this thread on the msysGit list: https://groups.google.com/d/topic/msysgit/FqT6boJrb2g/discussion [jes: re-written to imitate the original recursion more closely] Thomas Braun pointed out several documentation shortcomings. Tests are run only if ulimit -s is available. This means they cannot be run on Windows. Signed-off-by: Jean-Jacques Lafay <jeanjacques.lafay@gmail.com> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Tested-by: Stepan Kasal <kasal@ucw.cz> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-23blame: dynamic blame_date_width for different localesLibravatar Jiang Xin1-1/+8
When show date in relative date format for git-blame, the max display width of datetime is set as the length of the string "Thu Oct 19 16:00:04 2006 -0700" (30 characters long). But actually the max width for C locale is only 22 (the length of string "x years, xx months ago"). And for other locale, it maybe smaller. E.g. For Chinese locale, only needs a half (16-character width). Set blame_date_width as the display width of _("4 years, 11 months ago"), so that translators can make the choice. Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jiang Xin <worldhello.net@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-23blame: fix broken time_buf paddings in relative timestampLibravatar Jiang Xin1-7/+14
Command `git blame --date relative` aligns the date field with a fixed-width (defined by blame_date_width), and if time_str is shorter than that, it adds spaces for padding. But there are two bugs in the following codes: time_len = strlen(time_str); ... memset(time_buf + time_len, ' ', blame_date_width - time_len); 1. The type of blame_date_width is size_t, which is unsigned. If time_len is greater than blame_date_width, the result of "blame_date_width - time_len" will never be a negative number, but a really big positive number, and will cause memory overwrite. This bug can be triggered if either l10n message for function show_date_relative() in date.c is longer than 30 characters, then `git blame --date relative` may exit abnormally. 2. When show blame information with relative time, the UTF-8 characters in time_str will break the alignment of columns after the date field. This is because the time_buf padding with spaces should have a constant display width, not a fixed strlen size. So we should call utf8_strwidth() instead of strlen() for width calibration. Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Jiang Xin <worldhello.net@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-22merge: enable defaulttoupstream by defaultLibravatar Felipe Contreras1-1/+1
There's no point in this: % git merge fatal: No commit specified and merge.defaultToUpstream not set. We know the most likely scenario is that the user wants to merge the upstream, and if not, he can set merge.defaultToUpstream to false. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-17commit.c: check for lock error and return earlyLibravatar Ronnie Sahlberg1-4/+4
Move the check for the lock failure to happen immediately after lock_any_ref_for_update(). Previously the lock and the check-if-lock-failed was separated by a handful of string manipulation statements. Moving the check to occur immediately after the failed lock makes the code slightly easier to read and makes it follow the pattern of try-to-take-a-lock(); if (check-if-lock-failed) { error(); } Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-17i18n: only extract comments marked with "TRANSLATORS:"Libravatar Jiang Xin1-5/+3
When extract l10n messages, we use "--add-comments" option to keep comments right above the l10n messages for references. But sometimes irrelevant comments are also extracted. For example in the following code block, the comment in line 2 will be extracted as comment for the l10n message in line 3, but obviously it's wrong. { OPTION_CALLBACK, 0, "ignore-removal", &addremove_explicit, NULL /* takes no arguments */, N_("ignore paths removed in the working tree (same as --no-all)"), PARSE_OPT_NOARG, ignore_removal_cb }, Since almost all comments for l10n translators are marked with the same prefix (tag): "TRANSLATORS:", it's safe to only extract comments with this special tag. I.E. it's better to call xgettext as: xgettext --add-comments=TRANSLATORS: ... Also tweaks the multi-line comment in "init-db.c", to make it start with the proper tag, not "* TRANSLATORS:" (which has a star before the tag). Signed-off-by: Jiang Xin <worldhello.net@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-16index-pack: work around thread-unsafe pread()Libravatar Nguyễn Thái Ngọc Duy1-10/+17
Multi-threaing of index-pack was disabled with c0f8654 (index-pack: Disable threading on cygwin - 2012-06-26), because pread() implementations for Cygwin and MSYS were not thread safe. Recent Cygwin does offer usable pread() and we enabled multi-threading with 103d530f (Cygwin 1.7 has thread-safe pread, 2013-07-19). Work around this problem on platforms with a thread-unsafe pread() emulation by opening one file handle per thread; it would prevent parallel pread() on different file handles from stepping on each other. Also remove NO_THREAD_SAFE_PREAD that was introduced in c0f8654 because it's no longer used anywhere. This workaround is unconditional, even for platforms with thread-safe pread() because the overhead is small (a couple file handles more) and not worth fragmenting the code. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Tested-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-10wrapper.c: add xpread() similar to xread()Libravatar Yiannis Marangos1-1/+1
It is a common mistake to call read(2)/pread(2) and forget to anticipate that they may return error with EAGAIN/EINTR when the system call is interrupted. We have xread() helper to relieve callers of read(2) from having to worry about it; add xpread() helper to do the same for pread(2). Update the caller in the builtin/index-pack.c and the mmap emulation in compat/. Signed-off-by: Yiannis Marangos <yiannis.marangos@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-09Merge branch 'jl/nor-or-nand-and' into maintLibravatar Junio C Hamano6-8/+8
* jl/nor-or-nand-and: code and test: fix misuses of "nor" comments: fix misuses of "nor" contrib: fix misuses of "nor" Documentation: fix misuses of "nor"
2014-04-09Merge branch 'mh/update-ref-batch-create-fix' into maintLibravatar Junio C Hamano1-0/+1
* mh/update-ref-batch-create-fix: update-ref: fail create operation over stdin if ref already exists
2014-04-08Merge branch 'bp/commit-p-editor' into maintLibravatar Junio C Hamano5-17/+38
* bp/commit-p-editor: run-command: mark run_hook_with_custom_index as deprecated merge hook tests: fix and update tests merge: fix GIT_EDITOR override for commit hook commit: fix patch hunk editing with "commit -p -m" test patch hunk editing with "commit -p -m" merge hook tests: use 'test_must_fail' instead of '!' merge hook tests: fix missing '&&' in test
2014-04-08Merge branch 'jk/pack-bitmap'Libravatar Junio C Hamano1-1/+12
* jk/pack-bitmap: pack-objects: do not reuse packfiles without --delta-base-offset add `ignore_missing_links` mode to revwalk
2014-04-08Merge branch 'jl/nor-or-nand-and'Libravatar Junio C Hamano6-8/+8
Eradicate mistaken use of "nor" (that is, essentially "nor" used not in "neither A nor B" ;-)) from in-code comments, command output strings, and documentations. * jl/nor-or-nand-and: code and test: fix misuses of "nor" comments: fix misuses of "nor" contrib: fix misuses of "nor" Documentation: fix misuses of "nor"
2014-04-08Merge branch 'mh/update-ref-batch-create-fix'Libravatar Junio C Hamano1-0/+1
* mh/update-ref-batch-create-fix: update-ref: fail create operation over stdin if ref already exists
2014-04-08Merge branch 'jc/rev-parse-argh-dashed-multi-words'Libravatar Junio C Hamano7-9/+37
Make sure that the help text given to describe the "<param>" part of the "git cmd --option=<param>" does not contain SP or _, e.g. "--gpg-sign=<key-id>" option for "git commit" is not spelled as "--gpg-sign=<key id>". * jc/rev-parse-argh-dashed-multi-words: parse-options: make sure argh string does not have SP or _ update-index: teach --cacheinfo a new syntax "mode,sha1,path" parse-options: multi-word argh should use dash to separate words
2014-04-07update-ref --stdin: reimplement using reference transactionsLibravatar Michael Haggerty1-67/+75
This change is mostly clerical: the parse_cmd_*() functions need to use local variables rather than a struct ref_update to collect the arguments needed for each update, and then call ref_transaction_*() to queue the change rather than building up the list of changes at the caller side. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: harmonize error messagesLibravatar Michael Haggerty1-12/+12
Make (most of) the error messages for invalid input have the same format [1]: $COMMAND [SP $REFNAME]: $MESSAGE Update the tests accordingly. [1] A few error messages are left with their old form, because $COMMAND and $REFNAME aren't passed all the way down the call stack. Maybe those sites should be changed some day, too. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: improve the error message for unexpected EOFLibravatar Michael Haggerty1-2/+2
Distinguish this error from the error that an argument is missing for another reason. Update the tests accordingly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin -z: deprecate interpreting the empty string as zerosLibravatar Michael Haggerty1-0/+2
In the original version of this command, for the single case of the "update" command's <newvalue>, the empty string was interpreted as being equivalent to 40 "0"s. This shorthand is unnecessary (binary input will usually be generated programmatically anyway), and it complicates the parser and the documentation. So gently deprecate this usage: remove its description from the documentation and emit a warning if it is found. But for reasons of backwards compatibility, continue to accept it. Helped-by: Brad King <brad.king@kitware.com> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref.c: extract a new function, parse_next_sha1()Libravatar Michael Haggerty1-62/+98
Replace three functions, update_store_new_sha1(), update_store_old_sha1(), and parse_next_arg(), with a single function, parse_next_sha1(). The new function takes care of a whole argument, including checking whether it is there, converting it to an SHA-1, and emitting errors on EOF or for invalid values. The return value indicates whether the argument was present or absent, which requires a bit of intelligence because absent values are represented differently depending on whether "-z" was used. The new interface means that the calling functions, parse_cmd_*(), don't have to interpret the result differently based on the line_termination mode that is in effect. It also means that parse_cmd_create() can distinguish unambiguously between an empty new value and a zeros new value, which fixes a failure in t1400. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: simplify error messages for missing oldvaluesLibravatar Michael Haggerty1-3/+3
Instead of, for example, fatal: update refs/heads/master missing [<oldvalue>] NUL emit fatal: update refs/heads/master missing <oldvalue> Update the tests accordingly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: make error messages more consistentLibravatar Michael Haggerty1-4/+4
The old error messages emitted for invalid input sometimes said "<oldvalue>"/"<newvalue>" and sometimes said "old value"/"new value". Convert them all to the former. Update the tests accordingly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: improve error messages for invalid valuesLibravatar Michael Haggerty1-11/+13
If an invalid value is passed to "update-ref --stdin" as <oldvalue> or <newvalue>, include the command and the name of the reference at the beginning of the error message. Update the tests accordingly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>