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2019-11-23mingw: demonstrate that all file handles are inherited by child processesJohannes Schindelin2-0/+48
When spawning child processes, we really should be careful which file handles we let them inherit. This is doubly important on Windows, where we cannot rename, delete, or modify files if there is still a file handle open. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-23t5608-clone-2gb.sh: turn GIT_TEST_CLONE_2GB into a boolSZEDER Gábor2-2/+2
The GIT_TEST_CLONE_2GB environment variable is only ever checked with 'test -z' in 't5608-clone-2gb.sh', so any non-empty value is interpreted as "yes, run these expensive tests", even 'GIT_TEST_CLONE_2GB=NoThanks'. Similar GIT_TEST_* environment variables have already been turned into bools in 3b072c577b (tests: replace test_tristate with "git env--helper", 2019-06-21), so let's turn GIT_TEST_CLONE_2GB into a bool as well, to follow suit. Our CI builds set GIT_TEST_CLONE_2GB=YesPlease, so adjust them accordingly, thus removing the last 'YesPlease' from our CI scripts. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-23tests: add 'test_bool_env' to catch non-bool GIT_TEST_* valuesSZEDER Gábor8-11/+82
Since 3b072c577b (tests: replace test_tristate with "git env--helper", 2019-06-21) we get the normalized bool values of various GIT_TEST_* environment variables via 'git env--helper'. Now, while the 'git env--helper' command itself does catch invalid values in the environment variable or in the given --default and exits with error (exit code 128 or 129, respectively), it's invoked in conditions like 'if ! git env--helper ...', which means that all invalid bool values are interpreted the same as the ordinary 'false' (exit code 1). This has led to inadvertently skipped httpd tests in our CI builds for a couple of weeks, see 3960290675 (ci: restore running httpd tests, 2019-09-06). Let's be more careful about what the test suite accepts as bool values in GIT_TEST_* environment variables, and error out loud and clear on invalid values instead of simply skipping tests. Add the 'test_bool_env' helper function to encapsulate the invocation of 'git env--helper' and the verification of its exit code, and replace all invocations of that command in our test framework and test suite with a call to this new helper (except in 't0017-env-helper.sh', of course). $ GIT_TEST_GIT_DAEMON=YesPlease ./t5570-git-daemon.sh fatal: bad numeric config value 'YesPlease' for 'GIT_TEST_GIT_DAEMON': invalid unit error: test_bool_env requires bool values both for $GIT_TEST_GIT_DAEMON and for the default fallback Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-23sequencer: fix empty commit check when amendingPhillip Wood2-5/+53
This fixes a regression introduced in 356ee4659b ("sequencer: try to commit without forking 'git commit'", 2017-11-24). When amending a commit try_to_commit() was using the wrong parent when checking if the commit would be empty. When amending we need to check against HEAD^ not HEAD. t3403 may not seem like the natural home for the new tests but a further patch series will improve the advice printed by `git commit`. That series will mutate these tests to check that the advice includes suggesting `rebase --skip` to skip the fixup that would empty the commit. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-23git svn: stop using `rebase --preserve-merges`Johannes Schindelin2-5/+7
We deprecated `--preserve-merges` in favor of `--rebase-merges`; Let's reflect that in `git svn`. Note: Even when the user asks for `--preserve-merges`, we now silently pass `--rebase-merges` to `git rebase` instead. Technically, this is a change of behavior. But practically, `git svn` only ever asks for a non-interactive rebase, and `--preserve-merges` and `--rebase-merges` are on par with regard to that. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Acked-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-23gpg-interface: limit search for primary key fingerprintHans Jerry Illikainen2-6/+38
The VALIDSIG status line from GnuPG with --status-fd is documented to have 9 required and 1 optional fields [1]. The final, and optional, field is used to specify the fingerprint of the primary key that made the signature in case it was made by a subkey. However, this field is only available for OpenPGP signatures; not for CMS/X.509. If the VALIDSIG status line does not have the optional 10th field, the current code will continue reading onto the next status line. And this is the case for non-OpenPGP signatures [1]. The consequence is that a subsequent status line may be considered as the "primary key" for signatures that does not have an actual primary key. Limit the search of these 9 or 10 fields to the single line to avoid this problem. If the 10th field is missing, report that there is no primary key fingerprint. [Reference] [1] GnuPG Details, General status codes https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=blob;f=doc/DETAILS;h=6ce340e8c04794add995e84308bb3091450bd28f;hb=HEAD#l483 The documentation says: VALIDSIG <args> The args are: - <fingerprint_in_hex> - <sig_creation_date> - <sig-timestamp> - <expire-timestamp> - <sig-version> - <reserved> - <pubkey-algo> - <hash-algo> - <sig-class> - [ <primary-key-fpr> ] This status indicates that the signature is cryptographically valid. [...] PRIMARY-KEY-FPR is the fingerprint of the primary key or identical to the first argument. The primary-key-fpr parameter is used for OpenPGP and not available for CMS signatures. [...] Signed-off-by: Hans Jerry Illikainen <hji@dyntopia.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-23gpg-interface: refactor the free-and-xmemdupz patternHans Jerry Illikainen1-7/+15
Introduce a static replace_cstring() function to simplify repeated pattern of free-and-xmemdupz() for GPG status line parsing. This also helps us avoid potential memleaks if parsing of new status lines are introduced in the future. Signed-off-by: Hans Jerry Illikainen <hji@dyntopia.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: check for dirty statusDerrick Stolee2-1/+27
The index-merge performed by 'git sparse-checkout' will erase any staged changes, which can lead to data loss. Prevent these attempts by requiring a clean 'git status' output. Helped-by: Szeder Gábor <szeder.dev@gmail.com> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: update working directory in-process for 'init'Derrick Stolee1-16/+20
The 'git sparse-checkout init' subcommand previously wrote directly to the sparse-checkout file and then updated the working directory. This may fail if there are modified files not included in the initial pattern set. However, that left a populated sparse-checkout file. Use the in-process working directory update to guarantee that the init subcommand only changes the sparse-checkout file if the working directory update succeeds. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: cone mode should not interact with .gitignoreDerrick Stolee1-0/+7
During the development of the sparse-checkout "cone mode" feature, an incorrect placement of the initializer for "use_cone_patterns = 1" caused warnings to show up when a .gitignore file was present with non-cone-mode patterns. This was fixed in the original commit introducing the cone mode, but now we should add a test to avoid hitting this problem again in the future. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: write using lockfileDerrick Stolee2-4/+18
If two 'git sparse-checkout set' subcommands are launched at the same time, the behavior can be unexpected as they compete to write the sparse-checkout file and update the working directory. Take a lockfile around the writes to the sparse-checkout file. In addition, acquire this lock around the working directory update to avoid two commands updating the working directory in different ways. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: use in-process update for disable subcommandDerrick Stolee3-16/+18
The 'git sparse-checkout disable' subcommand returns a user to a full working directory. The old process for doing this required updating the sparse-checkout file with the "/*" pattern and then updating the working directory with core.sparseCheckout enabled. Finally, the sparse-checkout file could be removed and the config setting disabled. However, it is valuable to keep a user's sparse-checkout file intact so they can re-enable the sparse-checkout they previously used with 'git sparse-checkout init'. This is now possible with the in-process mechanism for updating the working directory. Reported-by: Szeder Gábor <szeder.dev@gmail.com> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: update working directory in-processDerrick Stolee5-16/+105
The sparse-checkout builtin used 'git read-tree -mu HEAD' to update the skip-worktree bits in the index and to update the working directory. This extra process is overly complex, and prone to failure. It also requires that we write our changes to the sparse-checkout file before trying to update the index. Remove this extra process call by creating a direct call to unpack_trees() in the same way 'git read-tree -mu HEAD' does. In addition, provide an in-memory list of patterns so we can avoid reading from the sparse-checkout file. This allows us to test a proposed change to the file before writing to it. An earlier version of this patch included a bug when the 'set' command failed due to the "Sparse checkout leaves no entry on working directory" error. It would not rollback the index.lock file, so the replay of the old sparse-checkout specification would fail. A test in t1091 now covers that scenario. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: sanitize for nested foldersDerrick Stolee2-4/+29
If a user provides folders A/ and A/B/ for inclusion in a cone-mode sparse-checkout file, the parsing logic will notice that A/ appears both as a "parent" type pattern and as a "recursive" type pattern. This is unexpected and hence will complain via a warning and revert to the old logic for checking sparse-checkout patterns. Prevent this from happening accidentally by sanitizing the folders for this type of inclusion in the 'git sparse-checkout' builtin. This happens in two ways: 1. Do not include any parent patterns that also appear as recursive patterns. 2. Do not include any recursive patterns deeper than other recursive patterns. In order to minimize duplicate code for scanning parents, create hashmap_contains_parent() method. It takes a strbuf buffer to avoid reallocating a buffer when calling in a tight loop. Helped-by: Eric Wong <e@80x24.org> Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22unpack-trees: add progress to clear_ce_flags()Derrick Stolee2-15/+43
When a large repository has many sparse-checkout patterns, the process for updating the skip-worktree bits can take long enough that a user gets confused why nothing is happening. Update the clear_ce_flags() method to write progress. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22unpack-trees: hash less in cone modeDerrick Stolee3-17/+26
The sparse-checkout feature in "cone mode" can use the fact that the recursive patterns are "connected" to the root via parent patterns to decide if a directory is entirely contained in the sparse-checkout or entirely removed. In these cases, we can skip hashing the paths within those directories and simply set the skipworktree bit to the correct value. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: init and set in cone modeDerrick Stolee4-20/+206
To make the cone pattern set easy to use, update the behavior of 'git sparse-checkout (init|set)'. Add '--cone' flag to 'git sparse-checkout init' to set the config option 'core.sparseCheckoutCone=true'. When running 'git sparse-checkout set' in cone mode, a user only needs to supply a list of recursive folder matches. Git will automatically add the necessary parent matches for the leading directories. When testing 'git sparse-checkout set' in cone mode, check the error stream to ensure we do not see any errors. Specifically, we want to avoid the warning that the patterns do not match the cone-mode patterns. Helped-by: Eric Wong <e@80x24.org> Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: use hashmaps for cone patternsDerrick Stolee4-9/+241
The parent and recursive patterns allowed by the "cone mode" option in sparse-checkout are restrictive enough that we can avoid using the regex parsing. Everything is based on prefix matches, so we can use hashsets to store the prefixes from the sparse-checkout file. When checking a path, we can strip path entries from the path and check the hashset for an exact match. As a test, I created a cone-mode sparse-checkout file for the Linux repository that actually includes every file. This was constructed by taking every folder in the Linux repo and creating the pattern pairs here: /$folder/ !/$folder/*/ This resulted in a sparse-checkout file sith 8,296 patterns. Running 'git read-tree -mu HEAD' on this file had the following performance: core.sparseCheckout=false: 0.21 s (0.00 s) core.sparseCheckout=true: 3.75 s (3.50 s) core.sparseCheckoutCone=true: 0.23 s (0.01 s) The times in parentheses above correspond to the time spent in the first clear_ce_flags() call, according to the trace2 performance traces. While this example is contrived, it demonstrates how these patterns can slow the sparse-checkout feature. Helped-by: Eric Wong <e@80x24.org> Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: add 'cone' modeDerrick Stolee6-4/+85
The sparse-checkout feature can have quadratic performance as the number of patterns and number of entries in the index grow. If there are 1,000 patterns and 1,000,000 entries, this time can be very significant. Create a new Boolean config option, core.sparseCheckoutCone, to indicate that we expect the sparse-checkout file to contain a more limited set of patterns. This is a separate config setting from core.sparseCheckout to avoid breaking older clients by introducing a tri-state option. The config option does nothing right now, but will be expanded upon in a later commit. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22trace2: add region in clear_ce_flagsJeff Hostetler1-1/+9
When Git updates the working directory with the sparse-checkout feature enabled, the unpack_trees() method calls clear_ce_flags() to update the skip-wortree bits on the cache entries. This check can be expensive, depending on the patterns used. Add trace2 regions around the method, including some flag information, so we can get granular performance data during experiments. This data will be used to measure improvements to the pattern-matching algorithms for sparse-checkout. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: create 'disable' subcommandDerrick Stolee3-16/+52
The instructions for disabling a sparse-checkout to a full working directory are complicated and non-intuitive. Add a subcommand, 'git sparse-checkout disable', to perform those steps for the user. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: add '--stdin' option to set subcommandDerrick Stolee3-2/+55
The 'git sparse-checkout set' subcommand takes a list of patterns and places them in the sparse-checkout file. Then, it updates the working directory to match those patterns. For a large list of patterns, the command-line call can get very cumbersome. Add a '--stdin' option to instead read patterns over standard in. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: 'set' subcommandDerrick Stolee3-2/+84
The 'git sparse-checkout set' subcommand takes a list of patterns as arguments and writes them to the sparse-checkout file. Then, it updates the working directory using 'git read-tree -mu HEAD'. The 'set' subcommand will replace the entire contents of the sparse-checkout file. The write_patterns_and_update() method is extracted from cmd_sparse_checkout() to make it easier to implement 'add' and/or 'remove' subcommands in the future. If the core.sparseCheckout config setting is disabled, then enable the config setting in the worktree config. If we set the config this way and the sparse-checkout fails, then re-disable the config setting. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22clone: add --sparse modeDerrick Stolee4-1/+53
When someone wants to clone a large repository, but plans to work using a sparse-checkout file, they either need to do a full checkout first and then reduce the patterns they included, or clone with --no-checkout, set up their patterns, and then run a checkout manually. This requires knowing a lot about the repo shape and how sparse-checkout works. Add a new '--sparse' option to 'git clone' that initializes the sparse-checkout file to include the following patterns: /* !/*/ These patterns include every file in the root directory, but no directories. This allows a repo to include files like a README or a bootstrapping script to grow enlistments from that point. During the 'git sparse-checkout init' call, we must first look to see if HEAD is valid, since 'git clone' does not have a valid HEAD at the point where it initializes the sparse-checkout. The following checkout within the clone command will create the HEAD ref and update the working directory correctly. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: create 'init' subcommandDerrick Stolee3-1/+125
Getting started with a sparse-checkout file can be daunting. Help users start their sparse enlistment using 'git sparse-checkout init'. This will set 'core.sparseCheckout=true' in their config, write an initial set of patterns to the sparse-checkout file, and update their working directory. Make sure to use the `extensions.worktreeConfig` setting and write the sparse checkout config to the worktree-specific config file. This avoids confusing interactions with other worktrees. The use of running another process for 'git read-tree' is sub- optimal. This will be removed in a later change. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-22sparse-checkout: create builtin with 'list' subcommandDerrick Stolee9-1/+226
The sparse-checkout feature is mostly hidden to users, as its only documentation is supplementary information in the docs for 'git read-tree'. In addition, users need to know how to edit the .git/info/sparse-checkout file with the right patterns, then run the appropriate 'git read-tree -mu HEAD' command. Keeping the working directory in sync with the sparse-checkout file requires care. Begin an effort to make the sparse-checkout feature a porcelain feature by creating a new 'git sparse-checkout' builtin. This builtin will be the preferred mechanism for manipulating the sparse-checkout file and syncing the working directory. The documentation provided is adapted from the "git read-tree" documentation with a few edits for clarity in the new context. Extra sections are added to hint toward a future change to a more restricted pattern set. Helped-by: Elijah Newren <newren@gmail.com> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21unpack-trees: skip stat on fsmonitor-valid filesUtsav Shah3-9/+29
The index might be aware that a file hasn't modified via fsmonitor, but unpack-trees did not pay attention to it and checked via ie_match_stat which can be inefficient on certain filesystems. This significantly slows down commands that run oneway_merge, like checkout and reset --hard. This patch makes oneway_merge check whether a file is considered unchanged through fsmonitor and skips ie_match_stat on it. unpack-trees also now correctly copies over fsmonitor validity state from the source index. Finally, for correctness, we force a refresh of fsmonitor state in tweak_fsmonitor. After this change, commands like stash (that use reset --hard internally) go from 8s or more to ~2s on a 250k file repository on a mac. Helped-by: Junio C Hamano <gitster@pobox.com> Helped-by: Kevin Willford <Kevin.Willford@microsoft.com> Signed-off-by: Utsav Shah <utsav@dropbox.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21lib-bash.sh: move `then` onto its own lineDenton Liu1-2/+4
The code style for tests is to have statements on their own line if possible. Move the `then` onto its own line so that it conforms with the test style. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: replace `! git` with `test_must_fail git`Denton Liu1-2/+2
Currently, if a git command fails in an unexpected way, such as a segfault, it will be masked and ignored. Replace the ! with test_must_fail so that only expected failures pass. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: remove redundant lines in test casesDenton Liu1-8/+0
In the previous patches, the mechanical application of changes left some duplicate statements in the test case which were not strictly incorrect but were redundant and possibly misleading. Remove these duplicate statements so that it is clear that the intent behind the tests are that the content of the file stays the same throughout the whole test case. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: replace $(cat ...) comparison with test_cmpDenton Liu1-35/+70
We currently have many instances of `test <line> = $(cat <file>)` and `test $(cat <file>) = <line>`. In the case where this fails, it will be difficult for a developer to debug since the output will be masked. Replace these instances with invocations of test_cmp(). This change was done with the following GNU sed expressions: s/\(\s*\)test \([^=]*\)= "$(cat \([^)]*\))"/\1echo \2>expect \&\&\n\1test_cmp expect \3/ s/\(\s*\)test "$(cat \([^)]*\))" = \([^&]*\)\( &&\)\?$/\1echo \3 >expect \&\&\n\1test_cmp expect \2\4/ A future patch will clean up situations where we have multiple duplicate statements within a test case. This is done to keep this patch purely mechanical. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: don't put git in upstream of pipeDenton Liu1-1/+2
Before, if the invocation of git failed, it would be masked by the pipe since only the return code of the last element of a pipe is used. Rewrite the test to put the git command on its own line so its return code is not masked. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: test single-line files by git with test_cmpDenton Liu1-16/+48
In case an invocation of a git command fails within the command substitution, the failure will be masked. Replace the command substitution with a file-redirection and a call to test_cmp. This change was done with the following GNU sed expressions: s/\(\s*\)test \([^ ]*\) = "$(\(git [^)]*\))"/\1echo \2 >expect \&\&\n\1\3 >actual \&\&\n\1test_cmp expect actual/ s/\(\s*\)test "$(\(git [^)]*\))" = \([^ ]*\)/\1echo \3 >expect \&\&\n\1\2 >actual \&\&\n\1test_cmp expect actual/ A future patch will clean up situations where we have multiple duplicate statements within a test case. This is done to keep this patch purely mechanical. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: use test_cmp_rev where possibleDenton Liu1-25/+25
In case an invocation of `git rev-list` fails within the command substitution, the failure will be masked. Remove the command substitution and use test_cmp_rev() so that failures can be discovered. This change was done with the following sed expressions: s/test "$(git rev-parse.* \([^)]*\))" = "$(git rev-parse \([^)]*\))"/test_cmp_rev \1 \2/ s/test \([^ ]*\) = "$(git rev-parse.* \([^)]*\))"/test_cmp_rev \1 \2/ s/test "$(git rev-parse.* \([^)]*\))" != "$(git rev-parse.* \([^)]*\))"/test_cmp_rev ! \1 \2/ s/test \([^ ]*\) != "$(git rev-parse.* \([^)]*\))"/test_cmp_rev ! \1 \2/ Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: replace test -{n,z} with test-lib functionsDenton Liu1-4/+8
When wrapping a git command in a command substitution within another command, we throw away the git command's exit code. In case the git command fails, we would like to know about it rather than the failure being silent. Extract git commands so that their exit codes are not lost. Instead of using `test -n` or `test -z`, replace them respectively with invocations of test_file_not_empty() and test_must_be_empty() so that we get better debugging information in the case of a failure. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: use test_line_count where possibleDenton Liu1-1/+2
Instead of rolling our own functionality to test the number of lines a command outputs, use test_line_count() which provides better debugging information in the case of a failure. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: remove spaces after redirect operatorDenton Liu1-5/+5
The style for tests in Git is to have the redirect operator attached to the filename with no spaces. Fix test cases where this is not the case. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: replace test -f with test-lib functionsDenton Liu1-5/+5
Although `test -f` has the same functionality as test_path_is_file(), in the case where test_path_is_file() fails, we get much better debugging information. Replace `test -f` with test_path_is_file() so that future developers will have a better experience debugging these test cases. Also, in the case of `! test -f`, not only should that path not be a file, it shouldn't exist at all so replace it with test_path_is_missing(). Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: let sed open its own inputDenton Liu1-1/+1
We were using a redirection operator to feed input into sed. However, since sed is capable of opening its own files, make sed open its own files instead of redirecting input into it. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: use sq for test case namesDenton Liu1-2/+2
The usual convention is for test case names to be written between single-quotes. Change all double-quoted test case names to single-quotes except for two test case names that use variables within. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t5520: improve test styleDenton Liu1-42/+44
Improve the test style by removing leading and trailing empty lines within test cases. Also, reformat multi-line subshells to conform to the existing style. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t: teach test_cmp_rev to accept ! for not-equalsDenton Liu8-14/+25
In the case where we are using test_cmp_rev() to report not-equals, we write `! test_cmp_rev`. However, since test_cmp_rev() contains r1=$(git rev-parse --verify "$1") && r2=$(git rev-parse --verify "$2") && `! test_cmp_rev` will succeed if any of the rev-parses fail. This behavior is not desired. We want the rev-parses to _always_ be successful. Rewrite test_cmp_rev() to optionally accept "!" as the first argument to do a not-equals comparison. Rewrite `! test_cmp_rev` to `test_cmp_rev !` in all tests to take advantage of this new functionality. Also, rewrite the rev-parse logic to end with a `|| return 1` instead of &&-chaining into the rev-comparison logic. This makes it obvious to future readers that we explicitly intend on returning early if either of the rev-parses fail. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t0000: test multiple local assignmentDenton Liu1-7/+8
According to POSIX enhancement request '0000767: Add built-in "local"'[1], dash only allows one variable in a local definition; it permits assignment though it doesn't document that clearly. however, this isn't true since t0000 still passes with this patch applied on dash 0.5.10.2. Needless to say, since `local` isn't POSIX standardized, it is not exactly clear what `local` entails on different versions of different shells. We currently already have many instances of multiple local assignments in our codebase. Ensure that this is actually supported by explicitly testing that it is sane. [1]: http://austingroupbugs.net/bug_view_page.php?bug_id=767 Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21format-patch: pass notes configuration to range-diffDenton Liu2-2/+123
Since format-patch accepts `--[no-]notes`, one would expect the range-diff generated to also respect the setting. Unfortunately, the range-diff we currently generate only uses the default option (which always outputs default notes, even when notes are not being used elsewhere). Pass the notes configuration to range-diff so that it can honor it. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21range-diff: pass through --notes to `git log`Denton Liu7-10/+72
When a commit being range-diff'd has a note attached to it, the note will be compared as well. However, if a user has multiple notes refs or if they want to suppress notes from being printed, there is currently no way to do this. Pass through `--[no-]notes[=<ref>]` to the `git log` call so that this option is customizable. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21range-diff: output `## Notes ##` headerDenton Liu2-7/+13
When notes were included in the output of range-diff, they were just mashed together with the rest of the commit message. As a result, users wouldn't be able to clearly distinguish where the commit message ended and where the notes started. Output a `## Notes ##` header when notes are detected so that notes can be compared more clearly. Note that we handle case of `Notes (<ref>): -> ## Notes (<ref>) ##` with this code as well. We can't test this in this patch, however, since there is currently no way to pass along different notes refs to `git log`. This will be fixed in a future patch. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t3206: range-diff compares logs with commit notesDenton Liu1-0/+52
The test suite had a blindspot where it did not check the behavior of range-diff and format-patch when notes were present. Cover this blindspot. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t3206: s/expected/expect/Denton Liu1-32/+32
For test cases, the usual convention is to name expected output files "expect", not "expected". Replace all instances of "expected" with "expect". Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t3206: disable parameter substitution in heredocDenton Liu1-1/+1
In the first heredoc, parameter substitution is not used so prevent it from happening in the future (perhaps by accident) by escaping the limit EOF. The remaining heredocs use parameter substitution so they cannot be changed. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-21t3206: remove spaces after redirect operatorsDenton Liu1-1/+1
For shell scripts, the usual convention is for there to be no space after redirection operators, (e.g. `>file`, not `> file`). Remove the one instance of this. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>