Game of Trees Changes

update got.1 CAVEATS section; prompted by feedback from otto@
fix assignment to wrong pointer in got_ref_dup()
fix performance on repositories with many references (e.g. freebsd src.git):
- implement an object ID map for reference lists
- use reflist object id maps in got log, tog log, and tog diff (with naddy)
- switch reflist to TAILQ; insert elements more efficiently for sorted input

Game of Trees 0.46 - 2020-12-21

reset tog blame view's scroll position if line count shrinks too much (naddy)
replace unprintable characters with '.' before passing them to curses (naddy)
allow editing of log message comments with 'got histedit'
implicitly mark all files in work tree as up-to-date after rebase/histedit
add fd field to got_repository, modify got_packidx_open to use fds (yzhong)
more size_t for loop indices to avoid signedness warnings; by emaste@freebsd
fix path existence check in got_object_tree_path_changed (reported by jrick)
fix parsing of tag objects which lack a tag message; found in u-boot.git repo
do not mix up repos if tog's -r option is used in a work tree (with naddy)
avoid signed vs unsigned comparisons in fetch.c (with millert)
introduce got_custom_error array to support multiple errors in flight
switch to strerror_r(3) in error.c for thread-safety

Game of Trees 0.45 - 2020-12-13

new diff implementation from git.gameoftrees.org/diff.git (with neels)
use Patience diff algorithm with fallback to Myers diff
new blame algorithm which compares commit N-1 to N (with neels)
handle binary files in got/tog diff commands; add -a options to force text
consistently label removed files as "/dev/null" in diff headers
prevent potential fclose(NULL) in error path of diff_blobs()
use size_t for loop indices to avoid signedness warnings (by emaste@freebsd)
in tests, replace echo with printf and stop option processing via "--" (naddy)
fix test failure of test_tree_submodule_of_same_repo for packed repos (yzhong)
add fd to got_worktree, modify got_fileindex_entry_update to use fds (yzhong)
add histedit -f flag for folding shortcut (jrick)
prevent log message loss of folded commits during histedit
tog: plug two memory leaks in draw_file()
tog: show current/total line numbers in diff view header
tog: highlight matched search terms in diff and blame views
tog: call pthread_cond_destroy(cond) just once when closing log view (naddy)
tog: reset diff view's scroll position if diff context shrinks too much
tog: make tog diff accept reference and tag arguments; add -w and -C options
tog: new 'tog ref' subcommand which displays references in the repository
tog: fix entry selection when moving to the parent in tree view (naddy)
tog: fix page-down/page-up scrolling in the tree view (with naddy)
tog: trim redundant parameters from many functions, and tidy up code (naddy)
tog: log view now requests more commits when the window expands (naddy)
tog: call pledge(2) directly in main() instead of per-command
tog: fix bug on FreeBSD where pressing 'q' in a child view caused tog to exit
tog: fix move to next/prev commit in diff view if log is not displayed (naddy)
tog: make ^L in the log view stick to branches/tags selected via -c option
tog: make tree view keep track of branches/tags specified via -c
tog: fix crashes when the log view reloads displayed data
tog: resize events go to child views as well as parent views (found by naddy)
tog: move the tree view's selection cursor up if terminal shrinks too much
tog: fix display of lines that end in "\r\n" (problem found by jrick)
tog: accommodate newer ncurses where panel_userptr() returns const (naddy)
tog: use getline(3) instead of fparseln(3) for better portability

Game of Trees 0.44 - 2020-11-10

detect unknown repository format extensions such as Git's sha256 extension
prevent a NULL dereference if 'got log -p' runs against a root commit
fix permissions mode bits for fetched pack files; patch by Alisdair MacLeod
use fchmod(2) instead of chmod(2) (semarie, naddy)
initialize sb.st_mode after stat(2) failure in got_worktree_resolve_path()
clear staged file type in file index entries whenever staged status is cleared
unlink temporary files in error cases of install_blob()
fix replacing a file with a symlink during merges; problem found by jrick
fix parsing of 'ON' keyword in gotweb parse.y; patch by Martin Vahlensieck
remove unused variable in gotweb.c; patch by Martin Vahlensieck

Game of Trees 0.43 - 2020-10-21

do not treat the -h and -V flags as errors (naddy)
allow regress test data to be stored in locations other than /tmp
unveil repositories read-write when adding tags with 'got tag'
rewrite test argument parsing with the POSIX getopts shell built-in (naddy)
in tests, accommodate ls -l implementations that print "total 0" (naddy)
fix a bug where 'got status' showed an unchanged empty file as changed
handle non-const basename(3) and dirname(3) for POSIX compatibility
properly handle nonexistent remote repository names given to 'got fetch'

Game of Trees 0.42 - 2020-09-30

add "branch" keyword to got.conf which specifies a list of branches to fetch
rework got's commit-time log message modification check
fix potential type mismatches between format specifiers and arguments (naddy)
prefer the BSD extension to reset getopt over the GNU one (naddy)
fix 'bad path' error from 'got clone' by unveiling the repository path again

Game of Trees 0.41 - 2020-09-25

make 'got ref -d' delete both loose and packed representations of the ref
make dangling symbolic references show up in 'got ref -l'
fix handling of slashes in got.conf repository paths (found by naddy)
hide remote HEAD refs in gotweb in order to match got and tog output
make 'got histedit' collapse folded add+delete operations (found by jrick)
fix matching the first object ID listed in a pack index (found by jrick)
let 'got clone' try to connect to server before creating repository contents
fix default branch name written to Git config file by 'got clone'
allow an interrupted 'got clone' to be resumed by 'got fetch'
handle failed connection attempts to git:// servers (patch by jrick)
make gotweb work in subdirectories of the web space (found by uwerler)

Game of Trees 0.40 - 2020-09-21

do not rely on <zlib.h> to pull in <unistd.h> (naddy)
remove unused #includes from the new got-read-gotconfig/parse.y (naddy)
document our default choice of text editor (suggested by Ricky Cintron)
in tests, replace ksh syntax with POSIX arithmetic expressions (naddy)
fix got.conf overriding GOT_AUTHOR even if no author is set in got.conf
in tests, expand arguments in shell script for POSIX compatibility (naddy)
fix crash in got_free_gotconfig()
in cmd_checkout() handle basename(3) modifying its argument for portability
print newline to clear the bottom line when tog exits (naddy)
install got-read-gotconfig into gotweb's chroot environment

Game of Trees 0.39 - 2020-09-14

add -q option to tests for quiet output and use it for 'make regress'
document how to re-create a corrupt or missing file index in got-worktree(5)
fix some memory leaks in tog (tracey)
add workaround for a performance issue when 'tog diff' shows a large diff
add -s option to 'got status' which acts as a status code filter
add -s option to 'got remove' which deletes files in a particular status
plug a memory leak in got_privsep_recv_tree() in error case
in got_object_commit_get_logmsg(), handle log messages which lack '\n'
do not rely on <zlib.h> to pull in <unistd.h> (naddy)
use POSIX standard endian functions and include <endian.h> (naddy)
add got.conf(5) configuration file
use modern POSIX timestamp fields in struct stat (naddy)
use plain write() in place of dprintf() with a pre-formatted string (naddy)
stop including <sys/syslimits.h> directly (naddy)
switch regress function declarations from ksh to POSIX shell syntax (naddy)

Game of Trees 0.38 - 2020-08-02

add support for managing symbolic links under version control
new -S option for 'got commit' and 'got stage' to skip symlink safety checks
add a 'got info' command which displays work tree meta-data
display more context in "no such entry found in tree" error messages
fix spurious 'got cherrypick' error with a path prefix and an empty tree
fix committing file additions from a work tree with a path prefix
fix build error with clang 10 due to missing for-loop block grouping (naddy@)
make 'got log' -R and -P options work in combination

Game of Trees 0.37 - 2020-07-23

cope with directory entries returned from readdir(3) with type DT_UNKNOWN
fix merging with files that do not contain a newline character
heed .{cvs,git}ignore if a path is given on the 'got status' command line
plug memory leak that occurred when files were deleted during checkout/update
add new parse.y code for future use and restructure gotweb's parse.y
fix an error return in gotweb (by Martin Vahlensieck)
document how to use commit messages prepared in a file (by Scott Bennett)
make 'got/tog tree' show symlink targets like 'ls -lF' does: link@ -> target
allow creation of commits which carry unmodified submodule tree entries along
some error, usage, and progress message improvements

Game of Trees 0.36 - 2020-05-05

fix "no such entry found in tree" error with got log -p and an added path
show a list of paths changed in a commit with 'got log -P' and in tog
prevent false positive tree entry differences due to bogus file mode bits
write directory tree entry mode bits in the same way as Git does (0040000)

Game of Trees 0.35 - 2020-04-25

don't pass "-p 22" to ssh; makes ssh_config's Port option work (semarie)
fix a file index corruption problem with 'got rebase' (found by tracey)
fix 'got log -r' loading refs from the wrong repo if invoked in a work tree
filter out "remotes/*/HEAD" references in got/tog log output

Game of Trees 0.34 - 2020-04-19

make use of new convenience API functions of kcgi 0.12 in gotweb
make 'got update' skip conflicted files (prevents loss of local changes)
show a summary of conflicts and related problems after updating/merging files
add 'got log' -x option to stop logging when a specific commit was traversed
add 'got log' -R option to reverse commit display order
clarify wording in got.1 related to local changes/commits/branches
show bad object ID in "object not found" error messages where possible

Game of Trees 0.33 - 2020-04-14

normalize tree entry modes to 0100644 or 0100755 when writing tree objects
fix "searching..." displayed in tog log view while merely scrolling down
in got.1, clarify how 'got update' deals with local (aka uncommitted) changes

Game of Trees 0.32 - 2020-03-28

be nice to unaware users who attempt to use got commands in a Git work tree
show 'searching...' during 'tog log' search even if no new commits are loaded
display "no matches found" if no commit matches a 'tog log' search
display "no more matches" if 'tog log' search cannot find any more matches
make 'tog log' consistently scroll a page upon page-down key (found by naddy)
make 'got fetch' create or restore remote HEAD reference if it is missing
make 'got fetch -d' delete branches from both refs/heads and refs/remotes

Game of Trees 0.31 - 2020-03-25

take status line into account during page up/down in 'tog log' (naddy)
make 'got tree' use the current branch if invoked in a work tree (tracey)
compute pack file's checksum during download and check it in got-fetch-pack
make got-index-pack compute and verify the pack file's checksum as well
stop verifying pack file checksum in the main process during clone/fetch
fix bogus 'reference HEAD not found' error (reported by Matthias aka _xhr_)
make 'got clone' create refs/remotes/origin/HEAD, as 'git clone' does
make 'got fetch' handle updates to refs/remotes/*/HEAD

Game of Trees 0.30 - 2020-03-22

add support for git and git+ssh network protocols (patch by ori@)
add 'got clone' and 'got fetch' commands
don't error out if rebase sees no merged paths; elide the commit instead
prevent 'got commit' from committing empty sub-directories (found by tracey)
allow limiting the output of 'got ref -l' to a single ref or a namespace
add -c option to 'got ref' which now expects just one argument after options
plug a memory leak in got-read-pack
remove 'Next' link from tags on gotweb summary page if no tags exist (tracey)

Game of Trees 0.29 - 2020-03-06

trim directories in got remove -R (tracey)
prevent commits from being listed more than once in a histedit script
fix histedit 'rebase commit ID mismatch' error when splitting a commit
be helpful when users try to check out work trees without a known branch
map 'tog path' to 'tog log path' if possible (requested by mpi)
when "bad path" errors occur always show the path in question
show merged commit ID upon merge conflict during rebase and histedit

Game of Trees 0.28 - 2020-02-25

improve man page documentation of rebase and histedit
disallow 'got rebase' while a histedit operation is in progress
switch 'got tag' commit argument to a new -c option
let 'got branch' switch and update the work tree
improve documentation of -r flags in tog man page (naddy)
add 'got histedit -m' option which makes it easy to edit log messages
switch 'tog diff' repository path argument to a new -r option (naddy)
fix 'tog diff object1 object2' when run inside a work tree (naddy)
document semantics of got log and tog log path arguments
add ^B/^F key bindings (page up/down) to 'tog blame' and 'tog tree' (naddy)
disable compiler warnings in release builds to avoid -Werror build breakage

Game of Trees 0.27 - 2020-02-21

fix gotweb build with -O2 on sparc64 (tracey; reported by kmos)
add next/prev navigation to gotweb commit briefs and commits pages (tracey)
add new gotweb tags page and ability to navigate all tags (tracey)
ensure gotweb's libexec helpers inherit build flags from parent directories
allow 'got ref' to manipulate refs which do not have a slash in their name
add an optional path argument to 'tog tree'
fix misplaced tog search prompt in split-screen views

Game of Trees 0.26 - 2020-02-17

initial release of gotweb(8), a repository server for web browsers (tracey)
fix a segfault in 'got backout' (tracey, reported by semarie)
switch 'tog tree' repository path argument to a new -r option
fix 'got blame' and 'tog blame' on files added on worktree's current branch
enable searching in tog diff view with the '/' key (tracey)
ignore EROFS during checkout for repositories on read-only filesystems
do not open log message editor if there are no changes during 'histedit -c'
display branch name and first commit to be edited at top of histedit script
fix bug where 'got revert -R' failed on added subtrees
fix bug where 'got log PATH' failed to map PATH into the repository
make 'tog log' show linear history by default; add -b option and B key
make 'got log' show linear history by default; remove -f and add -b option
do not display unversioned files during 'got revert -R'
tweak default colors for directories and symlinks in 'tog tree'
sleep for one nanosecond after syncing the file index to disk
fix 'tog log -c' with tags

Game of Trees 0.25 - 2020-01-14

fix suspending and resuming tog with Ctrl-Z and fg (reported by naddy@)
fix 'tog tree' usage displayed in error case (patch by naddy@)
support Git-style "lightweight" tags as arguments for 'got diff'
handle Git-style "lightweight" tags in got tag -l
make got and tog accept a --version argument (prompted by tedu@)
add -E option to 'got checkout' allowing use of a non-empty work tree path
make 'tog log PATH' fail when a non-existent path is specified
fix out of bounds access (patch by Martin <openbsd () academicsolutions ! ch>)
fix switching to tog's tree view when logging a path (reported by naddy@)

Game of Trees 0.24 - 2020-01-08

do not open and close pack index files needlessly
fix 'got log' and 'tog log' performance issue when lots of tags exist
do history traversal in got-read-pack to improve 'got blame' performance
plug memory leaks in got-read-commit, got-read-tree, and got-read-pack
fix reading reference deltas with GOT_PACK_NO_MMAP builds
disable got-read-pack's delta cache in GOT_NO_OBJ_CACHE builds
make it possible to run regress tests with packed repositories
more portable string comparison in Makefile.inc (patch by Edgar Pettijohn)
prevent rebase with an out-of-date work tree
make 'got checkout' and 'got update' work with read-only repositories

Game of Trees 0.23 - 2019-12-16

prevent status crawl from racing with paths changing in the filesystem
add -k option to 'got remove' to keep files on disk (Tracey Emery)
add -R option to 'got remove' for recursive deletion (Tracey Emery)
add -I option to 'got add' to disregard ignore patterns (Tracey Emery)
show numeric dates in ISO-8601/xkcd-1179 format in 'tog log' and 'got blame'

Game of Trees 0.22 - 2019-12-01

allow empty diff context context (-C0) in 'got diff' (kn@)
add '-s search-pattern' option to 'got log' (kn@)
forward rebased branch if there are no commits to rebase, instead of error
parse remote repository URLs from gitconfig
actually forbid new reference names with a leading '-', as intended
convert tree entries from SIMPLEQ to an array for better performance
compile static binaries in PROFILE build

Game of Trees 0.21 - 2019-11-25

add -R option to 'got add' for recursive addition (patch by Tracey Emery)
reduce the amount of memcpy() and strdup() while parsing tree entries
fix tog display issue caused by Tab in commit messages; reported by mpi@
cache delta data buffers in an LRU cache to improve performance
add -c option to 'got branch', replacing the optional second argument

Game of Trees 0.20 - 2019-11-09

fix reading pack files larger than 2GB
try not to hide errors from helper programs when got exits
use less empty padding space after author name in 'tog log'
rename 'got init' and 'got import' default branch to "main" (patch by kmos@)

Game of Trees 0.19 - 2019-11-08

add optional colorized display mode to tog
make 'tog log' show abbreviated commit IDs if the window is large enough
fix staging of multiple files with -p
show commit date's century in 'got blame' output (patch by Tracey Emery)

Game of Trees 0.18 - 2019-10-21

always show the input path when realpath(3) returns an error
preserve log message when an error occurs during commit, tag, or import
ignore empty files in refs directory instead of throwing errors
show file mode differences (executable bit) when diffing in-repository trees
fix handling of executable-bit changes during update, commit, and status
improve tog's responsiveness after loading hundreds of thousands of commits
fix tog performance bug which made searching through commits very slow
add 'got integrate' command for merging a branch back to its parent branch
show content from the merge-base file in 3-way merge conflicts, if available
improved indication of 3-way merge inputs in conflict marker labels
handle read errors in got_packidx_init_hdr (found by jj@ with scan-build)
remove worklist code; it was only used to unlink files already unlinked
show bad reference names in error messages to make such errors more clear
add -w (ignore whitespace) option to 'got diff'
improved coding style and error handling in diff3 code

Game of Trees 0.17 - 2019-10-06

make 'got branch' without args show work tree's branch (requested by benno)
show temporary branch in 'got branch -l' during rebase and histedit
refresh references when 'tog log' view is refreshed with Ctrl+L
make 'got status' read .gitignore files; support **/ and /**/ in patterns
handle empty trees during 'import' and 'checkout' (issue reported by sthen)
show only whitelisted commit headers in 'got log' (semarie)
properly handle getline(3) return type as ssize_t (hiltjo)

Game of Trees 0.16 - 2019-09-23

replace fgetln(3) with getline(3) for portability (patch by Steven McDonald)
fix implicit time.h includes (patch by Steven McDonald)
fix tiny memory leaks and other minor bugs found by jj@ with scan-build
fix missing error checks (found by jj@ with scan-build and by Steven McDonald)
avoid a couple of potential NULL derefs (found by jj@ with scan-build)
fix cosmetic display issues involving \n and TABs in tog(1)

Game of Trees 0.15 - 2019-09-08

use author name/email from ~/.gitconfig if GOT_AUTHOR is not set
obtain repo format version and commit author name/email from .git/config
fix line-wrap for lines spanning the terminal in tog diff view
make 'got status' ignore inaccessible directories (reported by semarie)
unstage may need to write to repository; fix unveil(2) call accordingly
fix modified files not shown by 'got status' after committing staged changes

Game of Trees 0.14 - 2019-09-03

fix tag_list test failure on single-day-digit dates (patch by Evan Silberman)
prevent theoretical double-free with non-OpenBSD asprintf (found by jasper@)
fix NULL deref in got_error_from_errno via got_error_uuid (found by jasper@)
make tog release its work tree lock before going into main loop
'got stage' writes to repository, fix unveil(2) call accordingly

Game of Trees 0.13 - 2019-08-30

fix several possible leaks, use after frees, and NULL derefs (hiltjo)
tog: mbs2ws: fix sizeof of element for memory allocation (hiltjo)
fix deletion of branches stored in packed-refs
fix 'got log path' in a work tree with a path prefix (with Evan Silberman)

Game of Trees 0.12 - 2019-08-26

add support for path arguments to 'got cat'
make 'got log -p path' display patches for the specified path only
allow creating branches based on commit IDs
prevent deletion of the work tree's current branch
detect and ignore Git submodules
indicate non-existent path arguments in 'got status'
make 'got diff' error for non-existent path arguments
make 'got tag -l' list tags by time stamp in descending order
fix reading pack index files with large offsets (patch by Hiltjo Posthuma)

Game of Trees 0.11 - 2019-08-23

add 'got tag' command
add 'got cat' command
support quick cancellation in 'tog blame' view
fix search prompt location in split-screen tog views

Game of Trees 0.10 - 2019-08-21

fix and simplify blame algorithm

Game of Trees 0.9 - 2019-08-19

fix blame bug where lines were annotated with wrong commit
man page spelling fixes (patch by Hiltjo Posthuma)
fix uninitialized 'editor' variable (found by Hiltjo Posthuma)
make 'got revert' ignore unversioned files instead of aborting (semarie@)
fix "last commit cannot be folded" histedit check with reordered commits

Game of Trees 0.8 - 2019-08-16

write tree entries the way git likes it to prevent git index corruption
make 'got blame' show line numbers, dates, and author names
add GOT_LOG_DEFAULT_LIMIT env var for setting a got log -l default

Game of Trees 0.7 - 2019-08-13

properly parse timestamps in commit objects as UTC (patch by Hiltjo Posthuma)
strip Git GPG signatures from log messages
fix regression: don't try to parse "lightweight" tags as real tag objects

Game of Trees 0.6 - 2019-08-13

'got log' and 'tog log' now display tags in addition to branch references
'got ref' can now be used to create symbolic references
use <limits.h> instead of <sys/limits.h> (patch by Thomas Klausner)
fix crash if 'got rebase' has no commits to rebase (with semarie@)
annotate symlinks with @ in 'got tree' and 'tog tree'

Game of Trees 0.5 - 2019-08-12

fix blame with single-commit history and with files without \n
fix crashes in tog when blame returns no results on a file (found by otto@)
man page improvements (bentley@)

Game of Trees 0.4 - 2019-08-11

add support for tag objects to 'got diff'
fix tog log -r option (patch by semarie@)
fix use of potentially out-of-date errno values (patch by Hiltjo Posthuma)
fix getline(3) return value check (patch by Hiltjo Posthuma)
use Oo/Oc/Op instead of plain brackets in man pages (patch by bentley@)
fix spurious failures of test_revert_patch_one_change due to race condition

Game of Trees 0.3 - 2019-08-10

fix bug where 'revert -p' would delete all lines following a reverted change
fix merge bug inherited from OpenRCS, affecting lines with leading .
fix man page installation during manual 'make install' from plain tarball

Game of Trees 0.2 - 2019-08-09

improve error message if helper binaries fail to unveil(2)
add support for tags to -c options of some got commands
attempt to reject GOT_AUTHOR values without an email address because git is unable to parse resulting commit objects
fix build on OpenBSD/sparc64 (gcc)

Game of Trees 0.1 - 2019-08-09

initial release; see git repository history for changes up to this point