[pull] master from git:master #143
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Join two paragraphs that start with the standard “The default <hook>, when enabled” into one and put it at the end of the “pre-commit” section. The trailing whitespace paragraph was added in the first commit for the doc, in 6d35cc7 (Document hooks., 2005-09-02). Then 3e14dd2 (mention use of "hooks.allownonascii" in "man githooks", 2019-02-20) updated the “pre-commit” section to mention the non-ASCII check that was added in d00e364.[1] But this paragraph was added one-past the original “default” paragraph, after the env. variable paragraph, and starts exactly the same. That causes the flow of this section to feel off (paragraphs in order): 1. Invoked by <cmd> and what parameters it takes 2. The default 'pre-commit' hook catches introduction of trailing whitespace 3. `GIT_EDITOR=:` 4. The default pre-commit' hook catches introduction of non-ASCII filenames Let’s instead join these two paragrahs and explain the whole behavior of the default script. † 1: Extend sample pre-commit hook to check for non ascii filenames, 2009-05-19 Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name> Signed-off-by: Junio C Hamano <gitster@pobox.com>
When pushing to a set of remotes using a nickname for the group, the
client initializes the connection to each remote, talks to the
remote and reads and parses capabilities line, and holds the
capabilities in a file-scope static variable server_capabilities_v1.
There are a few other such file-scope static variables, and these
connections cannot be parallelized until they are refactored to a
structure that keeps track of active connections.
Which is *not* the theme of this patch ;-)
For a single connection, the server_capabilities_v1 variable is
initialized to NULL (at the program initialization), populated when
we talk to the other side, used to look up capabilities of the other
side possibly multiple times, and the memory is held by the variable
until program exit, without leaking. When talking to multiple remotes,
however, the server capabilities from the second connection overwrites
without freeing the one from the first connection, which leaks.
==1080970==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 421 byte(s) in 2 object(s) allocated from:
#0 0x5615305f849e in strdup (/home/gitster/g/git-jch/bin/bin/git+0x2b349e) (BuildId: 54d149994c9e85374831958f694bd0aa3b8b1e26)
#1 0x561530e76cc4 in xstrdup /home/gitster/w/build/wrapper.c:43:14
#2 0x5615309cd7fa in process_capabilities /home/gitster/w/build/connect.c:243:27
#3 0x5615309cd502 in get_remote_heads /home/gitster/w/build/connect.c:366:4
#4 0x561530e2cb0b in handshake /home/gitster/w/build/transport.c:372:3
#5 0x561530e29ed7 in get_refs_via_connect /home/gitster/w/build/transport.c:398:9
#6 0x561530e26464 in transport_push /home/gitster/w/build/transport.c:1421:16
#7 0x561530800bec in push_with_options /home/gitster/w/build/builtin/push.c:387:8
#8 0x5615307ffb99 in do_push /home/gitster/w/build/builtin/push.c:442:7
#9 0x5615307fe926 in cmd_push /home/gitster/w/build/builtin/push.c:664:7
#10 0x56153065673f in run_builtin /home/gitster/w/build/git.c:506:11
#11 0x56153065342f in handle_builtin /home/gitster/w/build/git.c:779:9
#12 0x561530655b89 in run_argv /home/gitster/w/build/git.c:862:4
#13 0x561530652cba in cmd_main /home/gitster/w/build/git.c:984:19
#14 0x5615308dda0a in main /home/gitster/w/build/common-main.c:9:11
#15 0x7f051651bca7 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
SUMMARY: AddressSanitizer: 421 byte(s) leaked in 2 allocation(s).
Free the capablities data for the previous server before overwriting
it with the next server to plug this leak.
The added test fails without the freeing with SANITIZE=leak; I
somehow couldn't get it fail reliably with SANITIZE=leak,address
though.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The list continuation has to be “immediately adjacent to the block being attached”.[1] [1]: https://web.archive.org/web/20251208172615/https://docs.asciidoctor.org/asciidoc/latest/lists/continuation/ Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name> Signed-off-by: Junio C Hamano <gitster@pobox.com>
While investigating the config options set by 'scalar' I noticed this one wasn't documented. Signed-off-by: Matthew Hughes <matthewhughes934@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Leakfix. * jc/capability-leak: connect: plug protocol capability leak
Docfix. * kh/doc-pre-commit-fix: doc: join default pre-commit paragraphs
Docfix. * mh/doc-config-gui-gcwarning: config: document 'gui.GCWarning'
Docfix. * kh/doc-send-email-paragraph-fix: doc: send-email: fix broken list continuation
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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