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Since inception, git-blame -L has been documented as accepting 1-based
line numbers. When handed a line number less than 1, -L's behavior is
undocumented and undefined; it's also nonsensical and should be
diagnosed as an error. Do so.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-blame -L is documented as accepting 1-based line numbers. When
handed a line number less than 1, -L's behavior is undocumented and
undefined; it's also nonsensical and should be rejected but is
nevertheless accepted. Demonstrate this shortcoming.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The -L:RE option of blame/log searches from the end of the previous -L
range, if any. Add new notation -L^:RE to override this behavior and
search from start of file.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For consistency with -L/RE/, teach -L:RE to search relative to the end
of the previous -L range, if any.
The new behavior invalidates one test in t4211 which assumes that -L:RE
begins searching at start of file. This test will be resurrected in a
follow-up patch which teaches -L:RE how to override the default relative
search behavior.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The -L/RE/ option of blame/log searches from the end of the previous -L
range, if any. Add new notation -L^/RE/ to override this behavior and
search from start of file.
The new ^/RE/ syntax is valid only as the <start> argument of
-L<start>,<end>. The <end> argument, as usual, is relative to <start>.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Empty ranges -L,+0 and -L,-0 are nonsensical in the context of blame yet
they are accepted (in fact, both are interpreted as -L1,Y where Y is
end-of-file). Report them as invalid.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Empty ranges -L,+0 and -L,-0 are nonsensical in the context of blame yet
they are accepted. They should be errors. Demonstrate this shortcoming.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Empty ranges -LX,+0 and -LX,-0 are nonsensical in the context of blame
yet they are accepted (in fact, both are interpreted as -LX,+2). Report
them as invalid.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Empty ranges -LX,+0 and -LX,-0 are nonsensical in the context of blame
yet they are accepted. They should be errors. Demonstrate this
shortcoming.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When 12da1d1f added -L support to git-log, a broken bounds check was
copied from git-blame -L which incorrectly allows -LX to extend one line
past end of file without reporting an error. Instead, it generates an
empty range. Fix this bug.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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58960978 and 99780b0a added tests which demonstrated bugs (crashes) in
range-set and line-log when handed empty ranges specified via "log
-LX:file" where X is one greater than the last line of the file. After
these tests were added, it was realized that the ability to specify an
empty range is a loophole due to a bug in -L bounds checking. That bug
is slated to be fixed in a subsequent patch.
Unfortunately, the closure of this loophole makes it impossible to
continue checking range-set and line-log behavior with regard to empty
ranges since there is no other way to specify empty ranges via the
command-line. APIs of both facilities are private (file static) so
there likewise is no way to test their behaviors programmatically.
Consequently, retire these two tests.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A bounds checking bug allows the X in -LX to extend one line past the
end of file. For example, given a file with 5 lines, -L6 is accepted as
valid. Demonstrate this problem.
While here, also add tests to check that the remaining cases of X and Y
in -LX,Y are handled correctly at and in the vicinity of end-of-file.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since inception, -LX,Y has correctly reported an out-of-range error when
Y is beyond end of file, however, X was not checked, and an out-of-range
X would cause a crash. 92f9e273 (blame: prevent a segv when -L given
start > EOF; 2010-02-08) attempted to rectify this shortcoming but has
its own off-by-one error which allows X to extend one line past end of
file. For example, given a file with 5 lines:
git blame -L5 foo # OK, blames line 5
git blame -L6 foo # accepted, no error, no output, huh?
git blame -L7 foo # error "fatal: file foo has only 5 lines"
Fix this bug.
In order to avoid regressing "blame foo" when foo is an empty file, the
fix is slightly more complicated than changing '<' to '<='.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add boundary case tests, with and without -L, for empty file; file with
one partial line; file with one full line.
The empty file test without -L is of particular interest. Historically,
this case has been supported (empty blame output) and this test protects
against regression by a subsequent patch fixing an off-by-one bug which
incorrectly accepts -LX where X is one past end-of-file.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A bounds checking bug allows the X in -LX to extend one line past the
end of file. For example, given a file with 5 lines, -L6 is accepted as
valid. Demonstrate this problem.
While here, also add tests to check that the remaining cases of X and Y
in -LX,Y are handled correctly at and in the vicinity of end-of-file.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Checking all bogus -L syntax forms in a single test makes it difficult
to identify the offender when one case fails. Decompose this
conglomerate test in order to check each bad syntax case separately.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* es/blame-L-breakage:
t8001, t8002: fix "blame -L :literal" test on NetBSD
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Sub-test 42 of t8001 and t8002 ("blame -L :literal") fails on NetBSD
with the following verbose output:
git annotate -L:main hello.c
Author F (expected 4, attributed 3) bad
Author G (expected 1, attributed 1) good
This is not caused by different behaviour of git blame or annotate on
that platform, but by different test input, in turn caused by a sed
command that forgets to add a newline on NetBSD. Here's the diff of the
commit that adds "goodbye" to hello.c, for Linux:
@@ -1,4 +1,5 @@
int main(int argc, const char *argv[])
{
puts("hello");
+ puts("goodbye");
}
We see that it adds an extra TAB, but that's not a problem. Here's the
same on NetBSD:
@@ -1,4 +1,4 @@
int main(int argc, const char *argv[])
{
puts("hello");
-}
+ puts("goodbye");}
It also adds an extra TAB, but it is missing the newline character
after the semicolon.
The following patch gets rid of the extra TAB at the beginning, but
more importantly adds the missing newline at the end in a (hopefully)
portable way, mentioned in http://sed.sourceforge.net/sedfaq4.html.
The diff becomes this, on both Linux and NetBSD:
@@ -1,4 +1,5 @@
int main(int argc, const char *argv[])
{
puts("hello");
+ puts("goodbye");
}
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* dn/test-reject-utf-16:
t3900: test rejecting log message with NULs correctly
Add missing test file for UTF-16.
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It is not like that our longer term desire is to someday start
accept log messages with NULs in them, so it is wrong to mark a test
that demonstrates "git commit" that correctly fails given such an
input as "expect-failure". "git commit" should fail today, and it
should fail the same way in the future given a message with NUL in it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The test file that the UTF-16 rejection test looks for is missing, but this went
unnoticed because the test is expected to fail anyway; as a consequence, the
test fails because the file containing the commit message is missing, and not
because the test file contains a NUL byte. Fix this by including a sample text
file containing a commit message encoded in UTF-16.
Signed-off-by: Brian M. Carlson <sandals@crustytoothpaste.net>
Tested-by: Duy Nguyen <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/cat-file-batch-optim:
Revert "cat-file: split --batch input lines on whitespace"
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This reverts commit c334b87b30c1464a1ab563fe1fb8de5eaf0e5bac; the
update assumed that people only used the command to read from
"rev-list --objects" output, whose lines begin with a 40-hex object
name followed by a whitespace, but it turns out that scripts feed
random extended SHA-1 expressions (e.g. "HEAD:$pathname") in which
a whitespace has to be kept.
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* ob/typofixes:
many small typofixes
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* lf/echo-n-is-not-portable:
Avoid using `echo -n` anywhere
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* jx/clean-interactive:
git-clean: implement partial matching for selection
Documentation/git-clean: fix description for range
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Signed-off-by: Ondřej Bílka <neleai@seznam.cz>
Reviewed-by: Marc Branchaud <marcnarc@xiplink.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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`echo -n` is non-portable. The POSIX specification says:
Conforming applications that wish to do prompting without <newline>
characters or that could possibly be expecting to echo a -n, should
use the printf utility derived from the Ninth Edition system.
Since all of the affected shell scripts use a POSIX shell shebang,
replace `echo -n` invocations with printf.
Signed-off-by: Lukas Fleischer <git@cryptocrack.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On systems that understand a CRLF as a line ending, tests in this
script that worked on files with CRLF line endings using "grep" to
extract matching lines may lose the CR at the end of lines that
match, causing the actual output not to match the expected output.
* ml/avoid-using-grep-on-crlf-files:
test-lib.sh - define and use GREP_STRIPS_CR
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Fix "log -L" command line parsing bugs.
* tr/line-log:
t4211: fix incorrect rebase at f8395edc (range-set: satisfy non-empty ranges invariant)
line-log: fix "log -LN" crash when N is last line of file
range-set: satisfy non-empty ranges invariant
t4211: demonstrate crash when first -L encountered is empty range
t4211: demonstrate empty -L range crash
range-set: fix sort_and_merge_range_set() corner case bug
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Document for interactive git-clean says: "You also could say `c` or
`clean` above as long as the choice is unique". But it's not true,
because only hotkey `c` and full match (`clean`) could work.
Implement partial matching via find_unique function to make the
document right.
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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invariant)
Wnen I rewrote "cat b.c | wc -l" into "wc -l <b.c" to squash in a
suggestion on the list to this series, I screwed up subsequent
rebase. Fix it up.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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range-set invariants are: ranges must be (1) non-empty, (2) disjoint,
(3) sorted in ascending order.
line_log_data_insert() breaks the non-empty invariant under the
following conditions: the incoming range is empty and the pathname
attached to the range has not yet been encountered. In this case,
line_log_data_insert() assigns the empty range to a new line_log_data
record without taking any action to ensure that the empty range is
eventually folded out. Subsequent range-set functions crash or throw an
assertion failure upon encountering such an anomaly. Fix this bug.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Acked-by: Thomas Rast <trast@inf.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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range-set invariants are: ranges must be (1) non-empty, (2) disjoint,
(3) sorted in ascending order.
During processing, various range-set utility functions break the
invariants (for instance, by adding empty ranges), with the
expectation that a finalizing sort_and_merge_range_set() will restore
sanity.
sort_and_merge_range_set(), however, neglects to fold out empty
ranges, thus it fails to satisfy the non-empty constraint. Subsequent
range-set functions crash or throw an assertion failure upon
encountering such an anomaly. Rectify the situation by having
sort_and_merge_range_set() fold out empty ranges.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Acked-by: Thomas Rast <trast@inf.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Acked-by: Thomas Rast <trast@inf.ethz.ch>
Helped-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Acked-by: Thomas Rast <trast@inf.ethz.ch>
Helped-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* mv/merge-ff-tristate:
t7600: fix typo in test title
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Spotted by Ram, confirmed by Miklos.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Corrects the longstanding sloppiness in the implementation of
name-rev that conflated "we take commit-ish" and "differences
between tags and commits do not matter".
* jc/name-rev-exact-ref:
describe: fix --contains when a tag is given as input
name-rev: differentiate between tags and commits they point at
describe: use argv-array
name-rev: allow converting the exact object name at the tip of a ref
name-ref: factor out name shortening logic from name_ref()
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A new command to allow scripts to query the mailmap information.
* es/check-mailmap:
t4203: test check-mailmap command invocation
builtin: add git-check-mailmap command
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Add "interactive" mode to "git clean".
The early part to refactor relative path related helper functions
looked sensible.
* jx/clean-interactive:
test: run testcases with POSIX absolute paths on Windows
test: add t7301 for git-clean--interactive
git-clean: add documentation for interactive git-clean
git-clean: add ask each interactive action
git-clean: add select by numbers interactive action
git-clean: add filter by pattern interactive action
git-clean: use a git-add-interactive compatible UI
git-clean: add colors to interactive git-clean
git-clean: show items of del_list in columns
git-clean: add support for -i/--interactive
git-clean: refactor git-clean into two phases
write_name{_quoted_relative,}(): remove redundant parameters
quote_path_relative(): remove redundant parameter
quote.c: substitute path_relative with relative_path
path.c: refactor relative_path(), not only strip prefix
test: add test cases for relative_path
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Allow configuration data to be read from in-tree blob objects,
which would help working in a bare repository and submodule
updates.
* hv/config-from-blob:
do not die when error in config parsing of buf occurs
teach config --blob option to parse config from database
config: make parsing stack struct independent from actual data source
config: drop cf validity check in get_next_char()
config: factor out config file stack management
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Fix for recent test breakage on 'master'.
* jk/t0008-sigpipe-fix:
t0008: avoid SIGPIPE race condition on fifo
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The "--head" option to "git show-ref" was only to add "HEAD" to the
list of candidate refs to be filtered by the usual rules
(e.g. "--heads" that only show refs under refs/heads). Change the
meaning of the option to always show "HEAD" regardless of what
filtering will be applied to any other ref (this is a backward
incompatible change, so I may need to add an entry to the Release
Notes).
* db/show-ref-head:
show-ref: make --head always show the HEAD ref
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The refactoring made for parsing "-L" option recently to support
"git log -L" seems to have broken "git blame -L X,-5" to show 5
lines leading to X.
* es/blame-L-breakage:
blame-options.txt: explain that -L <start> and <end> are optional
blame-options.txt: place each -L option variation on its own line
t8001/t8002 (blame): add blame -L :funcname tests
t8001/t8002 (blame): add blame -L tests
t8001/t8002 (blame): modernize style
line-range: fix "blame -L X,-N" regression
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"git show -s" was less discoverable than it should be.
* mm/diff-no-patch-synonym-to-s:
Documentation/git-log.txt: capitalize section names
Documentation: move description of -s, --no-patch to diff-options.txt
Documentation/git-show.txt: include common diff options, like git-log.txt
diff: allow --patch & cie to override -s/--no-patch
diff: allow --no-patch as synonym for -s
t4000-diff-format.sh: modernize style
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The mailmap mechanism unnecessarily downcased the e-mail addresses
in the output, and also ignored the human name when it is a single
character name.
This now has become Eric Sunshine's series, even though it still is
under jc/ hierarchy.
* jc/mailmap-case-insensitivity:
mailmap: style fixes
mailmap: debug: avoid passing NULL to fprintf() '%s' conversion specification
mailmap: debug: eliminate -Wformat field precision type warning
mailmap: debug: fix malformed fprintf() format conversion specification
mailmap: debug: fix out-of-order fprintf() arguments
mailmap: do not downcase mailmap entries
t4203: demonstrate loss of uppercase characters in canonical email
mailmap: do not lose single-letter names
t4203: demonstrate loss of single-character name in mailmap entry
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Eric Sunshine
Junio C Hamano
René Scharfe
Brian M. Carlson
Ondřej Bílka
Lukas Fleischer
Jiang Xin