summaryrefslogtreecommitdiff
path: root/sequencer.c
AgeCommit message (Collapse)AuthorFilesLines
2015-02-17ref_transaction_update(): remove "have_old" parameterLibravatar Michael Haggerty1-1/+1
Instead, verify the reference's old value if and only if old_sha1 is non-NULL. ref_transaction_delete() will get the same treatment in a moment. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-22Merge branch 'cc/interpret-trailers-more'Libravatar Junio C Hamano1-15/+19
"git interpret-trailers" learned to properly handle the "Conflicts:" block at the end. * cc/interpret-trailers-more: trailer: add test with an old style conflict block trailer: reuse ignore_non_trailer() to ignore conflict lines commit: make ignore_non_trailer() non static merge & sequencer: turn "Conflicts:" hint into a comment builtin/commit.c: extract ignore_non_trailer() helper function merge & sequencer: unify codepaths that write "Conflicts:" hint builtin/merge.c: drop a parameter that is never used
2014-11-10Merge branch 'jc/conflict-hint' into cc/interpret-trailers-moreLibravatar Junio C Hamano1-15/+19
* jc/conflict-hint: merge & sequencer: turn "Conflicts:" hint into a comment builtin/commit.c: extract ignore_non_trailer() helper function merge & sequencer: unify codepaths that write "Conflicts:" hint builtin/merge.c: drop a parameter that is never used git-tag.txt: Add a missing hyphen to `-s`
2014-10-28merge & sequencer: turn "Conflicts:" hint into a commentLibravatar Junio C Hamano1-4/+3
Just like other hints such as "Changes to be committed" we show in the editor to remind the committer what paths were involved in the resulting commit to help improving their log message, this section is merely a reminder. Traditionally, it was not made into comments primarily because it has to be generated outside the wt-status infrastructure, and also because it was meant as a bit stronger reminder than the others (i.e. explaining how you resolved conflicts is much more important than mentioning what you did to every paths involved in the commit). But that still does not make this hint a part of the log message proper, and not showing it as a comment is inviting mistakes. Note that we still notice "Conflicts:" followed by list of indented pathnames as an old-style cruft and insert a new Signed-off-by: before it. This is so that "commit --amend -s" adds the new S-o-b at the right place when used on an older commit. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-24merge & sequencer: unify codepaths that write "Conflicts:" hintLibravatar Junio C Hamano1-15/+20
Two identical loops in suggest_conflicts() in merge, and do_recursive_merge() in sequencer, can use a single helper function extracted from the latter that prepares the "Conflicts:" hint that is meant to remind the user the paths for which merge conflicts had to be resolved to write a better commit log message. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15refs.c: change resolve_ref_unsafe reading argument to be a flags fieldLibravatar Ronnie Sahlberg1-2/+2
resolve_ref_unsafe takes a boolean argument for reading (a nonexistent ref resolves successfully for writing but not for reading). Change this to be a flags field instead, and pass the new constant RESOLVE_REF_READING when we want this behaviour. While at it, swap two of the arguments in the function to put output arguments at the end. As a nice side effect, this ensures that we can catch callers that were unaware of the new API so they can be audited. Give the wrapper functions resolve_refdup and read_ref_full the same treatment for consistency. Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15refs.c: pass the ref log message to _create/delete/update instead of _commitLibravatar Ronnie Sahlberg1-2/+2
Change the ref transaction API so that we pass the reflog message to the create/delete/update functions instead of to ref_transaction_commit. This allows different reflog messages for each ref update in a multi-ref transaction. Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-01lockfile.h: extract new header file for the functions in lockfile.cLibravatar Michael Haggerty1-0/+1
Move the interface declaration for the functions in lockfile.c from cache.h to a new file, lockfile.h. Add #includes where necessary (and remove some redundant includes of cache.h by files that already include builtin.h). Move the documentation of the lock_file state diagram from lockfile.c to the new header file. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-11Merge branch 'rs/ref-transaction-1'Libravatar Junio C Hamano1-8/+18
The second batch of the transactional ref update series. * rs/ref-transaction-1: (22 commits) update-ref --stdin: pass transaction around explicitly update-ref --stdin: narrow scope of err strbuf refs.c: make delete_ref use a transaction refs.c: make prune_ref use a transaction to delete the ref refs.c: remove lock_ref_sha1 refs.c: remove the update_ref_write function refs.c: remove the update_ref_lock function refs.c: make lock_ref_sha1 static walker.c: use ref transaction for ref updates fast-import.c: use a ref transaction when dumping tags receive-pack.c: use a reference transaction for updating the refs refs.c: change update_ref to use a transaction branch.c: use ref transaction for all ref updates fast-import.c: change update_branch to use ref transactions sequencer.c: use ref transactions for all ref updates commit.c: use ref transactions for updates replace.c: use the ref transaction functions for updates tag.c: use ref transactions when doing updates refs.c: add transaction.status and track OPEN/CLOSED refs.c: make ref_transaction_begin take an err argument ...
2014-09-03sequencer.c: use ref transactions for all ref updatesLibravatar Ronnie Sahlberg1-8/+18
Change to use ref transactions for all updates to refs. Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Reviewed-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-07-16Merge branch 'nd/split-index'Libravatar Junio C Hamano1-10/+6
An experiment to use two files (the base file and incremental changes relative to it) to represent the index to reduce I/O cost of rewriting a large index when only small part of the working tree changes. * nd/split-index: (32 commits) t1700: new tests for split-index mode t2104: make sure split index mode is off for the version test read-cache: force split index mode with GIT_TEST_SPLIT_INDEX read-tree: note about dropping split-index mode or index version read-tree: force split-index mode off on --index-output rev-parse: add --shared-index-path to get shared index path update-index --split-index: do not split if $GIT_DIR is read only update-index: new options to enable/disable split index mode split-index: strip pathname of on-disk replaced entries split-index: do not invalidate cache-tree at read time split-index: the reading part split-index: the writing part read-cache: mark updated entries for split index read-cache: save deleted entries in split index read-cache: mark new entries for split index read-cache: split-index mode read-cache: save index SHA-1 after reading entry.c: update cache_changed if refresh_cache is set in checkout_entry() cache-tree: mark istate->cache_changed on prime_cache_tree() cache-tree: mark istate->cache_changed on cache tree update ...
2014-07-09Merge branch 'jk/xstrfmt'Libravatar Junio C Hamano1-7/+2
* jk/xstrfmt: setup_git_env(): introduce git_path_from_env() helper unique_path: fix unlikely heap overflow walker_fetch: fix minor memory leak merge: use argv_array when spawning merge strategy sequencer: use argv_array_pushf setup_git_env: use git_pathdup instead of xmalloc + sprintf use xstrfmt to replace xmalloc + strcpy/strcat use xstrfmt to replace xmalloc + sprintf use xstrdup instead of xmalloc + strcpy use xstrfmt in favor of manual size calculations strbuf: add xstrfmt helper
2014-07-02Merge branch 'jk/commit-buffer-length'Libravatar Junio C Hamano1-41/+8
Move "commit->buffer" out of the in-core commit object and keep track of their lengths. Use this to optimize the code paths to validate GPG signatures in commit objects. * jk/commit-buffer-length: reuse cached commit buffer when parsing signatures commit: record buffer length in cache commit: convert commit->buffer to a slab commit-slab: provide a static initializer use get_commit_buffer everywhere convert logmsg_reencode to get_commit_buffer use get_commit_buffer to avoid duplicate code use get_cached_commit_buffer where appropriate provide helpers to access the commit buffer provide a helper to set the commit buffer provide a helper to free commit buffer sequencer: use logmsg_reencode in get_message logmsg_reencode: return const buffer do not create "struct commit" with xcalloc commit: push commit_index update into alloc_commit_node alloc: include any-object allocations in alloc_report replace dangerous uses of strbuf_attach commit_tree: take a pointer/len pair rather than a const strbuf
2014-06-25Merge branch 'fr/sequencer-fail-with-not-one-upon-no-ff'Libravatar Junio C Hamano1-1/+1
* fr/sequencer-fail-with-not-one-upon-no-ff: sequencer: signal failed ff as an aborted, not a conflicted merge
2014-06-19sequencer: use argv_array_pushfLibravatar Jeff King1-7/+2
This avoids a manual allocation calculation, and is shorter to boot. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13commit: record buffer length in cacheLibravatar Jeff King1-1/+1
Most callsites which use the commit buffer try to use the cached version attached to the commit, rather than re-reading from disk. Unfortunately, that interface provides only a pointer to the NUL-terminated buffer, with no indication of the original length. For the most part, this doesn't matter. People do not put NULs in their commit messages, and the log code is happy to treat it all as a NUL-terminated string. However, some code paths do care. For example, when checking signatures, we want to be very careful that we verify all the bytes to avoid malicious trickery. This patch just adds an optional "size" out-pointer to get_commit_buffer and friends. The existing callers all pass NULL (there did not seem to be any obvious sites where we could avoid an immediate strlen() call, though perhaps with some further refactoring we could). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13use get_commit_buffer everywhereLibravatar Jeff King1-1/+3
Each of these sites assumes that commit->buffer is valid. Since they would segfault if this was not the case, they are likely to be correct in practice. However, we can future-proof them by using get_commit_buffer. And as a side effect, we abstract away the final bare uses of commit->buffer. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13convert logmsg_reencode to get_commit_bufferLibravatar Jeff King1-1/+1
Like the callsites in the previous commit, logmsg_reencode already falls back to read_sha1_file when necessary. However, I split its conversion out into its own commit because it's a bit more complex. We return either: 1. The original commit->buffer 2. A newly allocated buffer from read_sha1_file 3. A reencoded buffer (based on either 1 or 2 above). while trying to do as few extra reads/allocations as possible. Callers currently free the result with logmsg_free, but we can simplify this by pointing them straight to unuse_commit_buffer. This is a slight layering violation, in that we may be passing a buffer from (3). However, since the end result is to free() anything except (1), which is unlikely to change, and because this makes the interface much simpler, it's a reasonable bending of the rules. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13cache-tree: mark istate->cache_changed on cache tree updateLibravatar Nguyễn Thái Ngọc Duy1-3/+1
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13read-cache: new API write_locked_index instead of write_index/write_cacheLibravatar Nguyễn Thái Ngọc Duy1-6/+4
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-12sequencer: use logmsg_reencode in get_messageLibravatar Jeff King1-40/+5
This simplifies the code, as logmsg_reencode handles the reencoding for us in a single call. It also means we learn logmsg_reencode's trick of pulling the buffer from disk when commit->buffer is NULL (we currently just silently return!). It is doubtful this matters in practice, though, as sequencer operations would not generally turn off save_commit_buffer. Note that we may be fixing a bug here. The existing code does: if (same_encoding(to, from)) reencode_string(buf, to, from); That probably should have been "!same_encoding". Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-09sequencer: signal failed ff as an aborted, not a conflicted mergeLibravatar Fabian Ruch1-1/+1
`do_pick_commit` handles three situations if it is not fast-forwarding. In order for `do_pick_commit` to identify the situation, it examines the return value of the selected merge command. 1. return value 0 stands for a clean merge 2. 1 is passed in case of a failed merge due to conflict 3. any other return value means that the merge did not even start So far, the sequencer returns 1 in case of a failed fast-forward, which would mean "failed merge due to conflict". However, a fast-forward either starts and succeeds or does not start at all. In particular, it cannot fail in between like a merge with a dirty index due to conflicts. In order to signal the three possible situations (not only success and failure to complete) after a pick through porcelain commands such as `cherry-pick`, exit with a return value that is neither 0 nor 1. 128 was chosen in line with the other situations in which the sequencer encounters an error. In such situations, the sequencer returns a negative value and `cherry-pick` translates this into a call to `die`. `die` then terminates the process with exit status 128. Signed-off-by: Fabian Ruch <bafain@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-29sequencer: do not update/refresh index if the lock cannot be heldLibravatar Nguyễn Thái Ngọc Duy1-1/+1
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-17sequencer.c: check for lock failure and bail early in fast_forward_toLibravatar Ronnie Sahlberg1-0/+4
Change fast_forward_to() to check if locking the ref failed, print a nice error message and bail out early. The old code did not check if ref_lock was NULL and relied on the fact that the write_ref_sha1() would safely detect this condition and set the return variable ret to indicate an error. While that is safe, it makes the code harder to read for two reasons: * Inconsistency. Almost all other places we do check the lock for NULL explicitly, so the naive reader is confused "why don't we check here?" * And relying on write_ref_sha1() to detect and return an error for when a previous lock_any_ref_for_update() failed feels obfuscated. This change should not change any functionality or logic aside from adding an extra error message when this condition is triggered (write_ref_sha1() returns an error silently for this condition). Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-27cherry-pick, revert: add the --gpg-sign optionLibravatar Nicolas Vigier1-0/+11
Signed-off-by: Nicolas Vigier <boklm@mars-attacks.org> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-12-05replace {pre,suf}fixcmp() with {starts,ends}_with()Libravatar Christian Couder1-4/+4
Leaving only the function definitions and declarations so that any new topic in flight can still make use of the old functions, replace existing uses of the prefixcmp() and suffixcmp() with new API functions. The change can be recreated by mechanically applying this: $ git grep -l -e prefixcmp -e suffixcmp -- \*.c | grep -v strbuf\\.c | xargs perl -pi -e ' s|!prefixcmp\(|starts_with\(|g; s|prefixcmp\(|!starts_with\(|g; s|!suffixcmp\(|ends_with\(|g; s|suffixcmp\(|!ends_with\(|g; ' on the result of preparatory changes in this series. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-30refs: report ref type from lock_any_ref_for_updateLibravatar Brad King1-1/+2
Expose lock_ref_sha1_basic's type_p argument to callers of lock_any_ref_for_update. Update all call sites to ignore it by passing NULL for now. Signed-off-by: Brad King <brad.king@kitware.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-07-09Convert "struct cache_entry *" to "const ..." wherever possibleLibravatar Nguyễn Thái Ngọc Duy1-3/+4
I attempted to make index_state->cache[] a "const struct cache_entry **" to find out how existing entries in index are modified and where. The question I have is what do we do if we really need to keep track of on-disk changes in the index. The result is - diff-lib.c: setting CE_UPTODATE - name-hash.c: setting CE_HASHED - preload-index.c, read-cache.c, unpack-trees.c and builtin/update-index: obvious - entry.c: write_entry() may refresh the checked out entry via fill_stat_cache_info(). This causes "non-const struct cache_entry *" in builtin/apply.c, builtin/checkout-index.c and builtin/checkout.c - builtin/ls-files.c: --with-tree changes stagemask and may set CE_UPDATE Of these, write_entry() and its call sites are probably most interesting because it modifies on-disk info. But this is stat info and can be retrieved via refresh, at least for porcelain commands. Other just uses ce_flags for local purposes. So, keeping track of "dirty" entries is just a matter of setting a flag in index modification functions exposed by read-cache.c. Except unpack-trees, the rest of the code base does not do anything funny behind read-cache's back. The actual patch is less valueable than the summary above. But if anyone wants to re-identify the above sites. Applying this patch, then this: diff --git a/cache.h b/cache.h index 430d021..1692891 100644 --- a/cache.h +++ b/cache.h @@ -267,7 +267,7 @@ static inline unsigned int canon_mode(unsigned int mode) #define cache_entry_size(len) (offsetof(struct cache_entry,name) + (len) + 1) struct index_state { - struct cache_entry **cache; + const struct cache_entry **cache; unsigned int version; unsigned int cache_nr, cache_alloc, cache_changed; struct string_list *resolve_undo; will help quickly identify them without bogus warnings. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-27Merge branch 'rr/cherry-pick-fast-forward-reflog-message'Libravatar Junio C Hamano1-3/+8
The reflog message created when "git cherry-pick" fast-forwarded did not say anything but "cherry-pick", but it now says "cherry-pick: fast-forward". * rr/cherry-pick-fast-forward-reflog-message: sequencer: write useful reflog message for fast-forward
2013-06-19sequencer: write useful reflog message for fast-forwardLibravatar Ramkumar Ramachandra1-3/+8
The following command $ git cherry-pick --ff b8bb3f writes the following uninformative message to the reflog cherry-pick Improve it to cherry-pick: fast-forward Avoid hard-coding "cherry-pick" in fast_forward_to(), so the sequencer is generic enough to support future actions. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-06sequencer: avoid leaking message buffer when refusing to create an empty commitLibravatar Felipe Contreras1-2/+4
We should free objects before leaving. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-03sequencer: remove useless indentationLibravatar Felipe Contreras1-7/+9
By using good ol' goto. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-09Merge branch 'mv/sequencer-pick-error-diag'Libravatar Junio C Hamano1-3/+3
Fix "git cherry-pick $annotated_tag", which was mistakenly rejected. * mv/sequencer-pick-error-diag: cherry-pick: picking a tag that resolves to a commit is OK
2013-05-09cherry-pick: picking a tag that resolves to a commit is OKLibravatar Junio C Hamano1-3/+3
Earlier, 21246dbb9e0a (cherry-pick: make sure all input objects are commits, 2013-04-11) tried to catch an unlikely "git cherry-pick $blob" as an error, but broke a more important use case to cherry-pick a tag that points at a commit. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-19Merge branch 'mv/sequencer-pick-error-diag'Libravatar Junio C Hamano1-0/+18
"git cherry-pick $blob $tree" is diagnosed as a nonsense. * mv/sequencer-pick-error-diag: cherry-pick: make sure all input objects are commits
2013-04-12Sync with 'maint'Libravatar Junio C Hamano1-1/+1
* maint: Correct common spelling mistakes in comments and tests kwset: fix spelling in comments precompose-utf8: fix spelling of "want" in error message compat/nedmalloc: fix spelling in comments compat/regex: fix spelling and grammar in comments obstack: fix spelling of similar contrib/subtree: fix spelling of accidentally git-remote-mediawiki: spelling fixes doc: various spelling fixes fast-export: fix argument name in error messages Documentation: distinguish between ref and offset deltas in pack-format i18n: make the translation of -u advice in one go
2013-04-12Correct common spelling mistakes in comments and testsLibravatar Stefano Lattarini1-1/+1
Most of these were found using Lucas De Marchi's codespell tool. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Acked-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-11cherry-pick: make sure all input objects are commitsLibravatar Miklos Vajna1-0/+18
When a single argument was a non-commit, the error message used to be: fatal: BUG: expected exactly one commit from walk For multiple arguments, when none of the arguments was a commit, the error was: fatal: empty commit set passed Finally, when some of the arguments were non-commits, we ignored those arguments. Fix this bug and make sure all arguments are commits, and for the first non-commit, error out with: fatal: <name>: Can't cherry-pick a <type> Signed-off-by: Miklos Vajna <vmiklos@suse.cz> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-01Merge branch 'bc/append-signed-off-by'Libravatar Junio C Hamano1-51/+141
Consolidate codepaths that inspect log-message-to-be and decide to add a new Signed-off-by line in various commands. * bc/append-signed-off-by: git-commit: populate the edit buffer with 2 blank lines before s-o-b Unify appending signoff in format-patch, commit and sequencer format-patch: update append_signoff prototype t4014: more tests about appending s-o-b lines sequencer.c: teach append_signoff to avoid adding a duplicate newline sequencer.c: teach append_signoff how to detect duplicate s-o-b sequencer.c: always separate "(cherry picked from" from commit body sequencer.c: require a conforming footer to be preceded by a blank line sequencer.c: recognize "(cherry picked from ..." as part of s-o-b footer t/t3511: add some tests of 'cherry-pick -s' functionality t/test-lib-functions.sh: allow to specify the tag name to test_commit commit, cherry-pick -s: remove broken support for multiline rfc2822 fields sequencer.c: rework search for start of footer to improve clarity
2013-02-23git-commit: populate the edit buffer with 2 blank lines before s-o-bLibravatar Brandon Casey1-2/+25
'commit -s' populates the edit buffer with a blank line before the Signed-off-by line, to allow the user to immediately start typing the log message. But commit 33f2f9ab removed this space, forcing the user to first push the Signed-off-by line down to open a place to type the log message. Fix this regression and let's ensure that the Signed-off-by line is preceded by two blank lines, instead of just one, to hint that something should be filled in, and that a blank line should separate it from the body and the Signed-off-by line. Add a test for this behavior. Reported-by: John Keeping <john@keeping.me.uk> Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-12sequencer.c: teach append_signoff to avoid adding a duplicate newlineLibravatar Brandon Casey1-2/+13
Teach append_signoff to detect whether a blank line exists at the position that the signed-off-by line will be added, and refrain from adding an additional one if one already exists. Or, add an additional line if one is needed to make sure the new footer is separated from the message body by a blank line. Signed-off-by: Brandon Casey <bcasey@nvidia.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-12sequencer.c: teach append_signoff how to detect duplicate s-o-bLibravatar Brandon Casey1-14/+45
Teach append_signoff how to detect a duplicate s-o-b in the commit footer. This is in preparation to unify the append_signoff implementations in log-tree.c and sequencer.c. Fixes test in t3511. Signed-off-by: Brandon Casey <bcasey@nvidia.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-12sequencer.c: always separate "(cherry picked from" from commit bodyLibravatar Brandon Casey1-63/+65
Start treating the "(cherry picked from" line added by cherry-pick -x the same way that the s-o-b lines are treated. Namely, separate them from the main commit message body with an empty line. Introduce tests to test this functionality. Signed-off-by: Brandon Casey <bcasey@nvidia.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-12sequencer.c: require a conforming footer to be preceded by a blank lineLibravatar Brandon Casey1-1/+5
Currently, append_signoff() performs a search for the last line of the commit buffer by searching back from the end until it hits a newline. If it reaches the beginning of the buffer without finding a newline, that means either the commit message was empty, or there was only one line in it. In this case, append_signoff will skip the call to has_conforming_footer since it already knows that it is necessary to append a newline before appending the sob. Let's perform this function inside of has_conforming_footer where it appropriately belongs and generalize it so that we require that the footer paragraph be an actual distinct paragraph separated by a blank line. Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-12sequencer.c: recognize "(cherry picked from ..." as part of s-o-b footerLibravatar Brandon Casey1-14/+37
When 'cherry-pick -s' is used to append a signed-off-by line to a cherry picked commit, it does not currently detect the "(cherry picked from..." that may have been appended by a previous 'cherry-pick -x' as part of the s-o-b footer and it will insert a blank line before appending a new s-o-b. Let's detect "(cherry picked from...)" as part of the footer so that we will produce this: Signed-off-by: A U Thor <author@example.com> (cherry picked from da39a3ee5e6b4b0d3255bfef95601890afd80709) Signed-off-by: C O Mmitter <committer@example.com> instead of this: Signed-off-by: A U Thor <author@example.com> (cherry picked from da39a3ee5e6b4b0d3255bfef95601890afd80709) Signed-off-by: C O Mmitter <committer@example.com> [with improvements from Jonathan Nieder] Signed-off-by: Brandon Casey <bcasey@nvidia.com> Acked-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-12commit, cherry-pick -s: remove broken support for multiline rfc2822 fieldsLibravatar Brandon Casey1-6/+0
Starting with c1e01b0c (commit: More generous accepting of RFC-2822 footer lines, 2009-10-28), "git commit -s" carefully parses the last paragraph of each commit message to check if it consists only of RFC2822-style headers, in which case the signoff will be added as a new line in the same list: Reported-by: Reporter <reporter@example.com> Signed-off-by: Author <author@example.com> Acked-by: Lieutenant <lt@example.com> It even included support for accepting indented continuation lines for multiline fields. Unfortunately the multiline field support is broken because it checks whether buf[k] (the first character of the *next* line) instead of buf[i] is a whitespace character. The result is that any footer with a continuation line is not accepted, since the last continuation line neither starts with an RFC2822 field name nor is followed by a continuation line. That this has remained broken for so long is good evidence that nobody actually needed multiline fields. Rip out the broken continuation support. There should be no functional change. [Thanks to Jonathan Nieder for the excellent commit message] Signed-off-by: Brandon Casey <bcasey@nvidia.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-12sequencer.c: rework search for start of footer to improve clarityLibravatar Jonathan Nieder1-4/+6
This code sequence is somewhat difficult to read. Let's rewrite it and add some comments to improve clarity. Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-23learn to pick/revert into unborn branchLibravatar Martin von Zweigbergk1-8/+12
cherry-picking into an unborn branch should work, so make it work, with or without --ff. Cherry-picking anything other than a commit that only adds files, will naturally result in conflicts. Similarly, revert also works, but will result in conflicts unless the specified revision only deletes files. Signed-off-by: Martin von Zweigbergk <martinvonz@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-11-15Merge branch 'jc/same-encoding'Libravatar Junio C Hamano1-1/+1
Various codepaths checked if two encoding names are the same using ad-hoc code and some of them ended up asking iconv() to convert between "utf8" and "UTF-8". The former is not a valid way to spell the encoding name, but often people use it by mistake, and we equated them in some but not all codepaths. Introduce a new helper function to make these codepaths consistent. * jc/same-encoding: reencode_string(): introduce and use same_encoding() Conflicts: builtin/mailinfo.c
2012-11-04reencode_string(): introduce and use same_encoding()Libravatar Junio C Hamano1-1/+1
Callers of reencode_string() that re-encodes a string from one encoding to another all used ad-hoc way to bypass the case where the input and the output encodings are the same. Some did strcmp(), some did strcasecmp(), yet some others when converting to UTF-8 used is_encoding_utf8(). Introduce same_encoding() helper function to make these callers use the same logic. Notably, is_encoding_utf8() has a work-around for common misconfiguration to use "utf8" to name UTF-8 encoding, which does not match "UTF-8" hence strcasecmp() would not consider the same. Make use of it in this helper function. Signed-off-by: Junio C Hamano <gitster@pobox.com>