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opnsense-src/bin/sh
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Baptiste Daroussin d9d0812bc6 sh: implement persistent history storage 
Implement persistent history storage:
the strategy is simple at start: loads the existing .sh_history file
at exit dump it.

The implementation respects the HISTFILE variable and its POSIX
definition: ~/.sh_history is used if HISTFILE is not set.

to avoid sh to create the history file, set HISTSIZE to 0 or HISTFILE to
en empty value

(cherry picked from commit 988b1bb0c5)

sh: try to avoid overwriting HISTFILE produced by other shells

If an attempt to load history from an existing history file was
unsuccessful, do not try to save command history to that file on exit.

(cherry picked from commit 1f82fb3834)
2022-04-30 09:55:42 +02:00
..
bltin General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
funcs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tests sh/tests: Add a second kind of binary scripts without #! 2021-01-03 23:53:37 +01:00
alias.c sh: Fix use after free when resetting an in-use alias. 2017-04-16 22:10:02 +00:00
alias.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
arith.h sh: Remove unused function declaration for arith_lex_reset(). 2017-03-18 20:41:07 +00:00
arith_yacc.c sh: Restore $((x)) error checking after fix for $((-9223372036854775808)) 2019-02-10 22:23:05 +00:00
arith_yacc.h sh: Restore $((x)) error checking after fix for $((-9223372036854775808)) 2019-02-10 22:23:05 +00:00
arith_yylex.c sh: Restore $((x)) error checking after fix for $((-9223372036854775808)) 2019-02-10 22:23:05 +00:00
builtins.def sh: Remove remnants to compile out fc completely 2020-04-22 21:45:43 +00:00
cd.c sh: Fix rare memory leak with SIGINT 2020-01-01 12:06:37 +00:00
cd.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
dot.profile sh: Set PATH envvar after setting HOME in dotfile 2021-10-31 08:46:41 +08:00
dot.shrc vfs: add restrictions to read(2) of a directory [1/2] 2020-06-04 18:09:55 +00:00
error.c src/bin/sh: Fix spelling errors 2021-11-18 21:52:21 -07:00
error.h sh: Unify EXERROR and EXEXEC 2018-11-09 14:58:24 +00:00
eval.c src/bin/sh: Fix spelling errors 2021-11-18 21:52:21 -07:00
eval.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
exec.c sh: Write absolute path in command -vV and type 2020-09-01 13:19:15 +00:00
exec.h sh: Use exitstatus instead of exerrno to pass EXEXEC status 2018-10-27 20:17:57 +00:00
expand.c sh: Fix ${param?} default error message 2018-11-28 20:03:53 +00:00
expand.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
histedit.c sh: implement persistent history storage 2022-04-30 09:55:42 +02:00
input.c sh: remove duplicate el definition 2020-03-28 17:02:32 +00:00
input.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
jobs.c sh: Explain duplicate tcsetpgrp() calls 2020-12-26 15:27:33 +01:00
jobs.h sh: Move various structs from jobs.h to jobs.c 2018-01-01 22:31:52 +00:00
mail.c sh: Don't use padvance() for MAIL/MAILPATH 2018-07-15 09:14:30 +00:00
mail.h General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
main.c sh: implement persistent history storage 2022-04-30 09:55:42 +02:00
main.h General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
Makefile Bump WARNS for sh(1). 2020-04-01 15:12:51 +00:00
Makefile.depend DIRDEPS_BUILD: Update dependencies. 2017-10-31 00:07:04 +00:00
memalloc.c sh: silence sanitizer 2021-05-05 13:04:58 +02:00
memalloc.h General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
miscbltin.c sh: Remove a comment that was obsoleted by r358152 2020-05-22 14:46:23 +00:00
mkbuiltins sh: Remove remnants to compile out fc completely 2020-04-22 21:45:43 +00:00
mknodes.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
mksyntax.c sh: Split CNL syntax category to avoid a check on state[level].syntax 2018-05-21 21:52:48 +00:00
mktokens Don't hardcode /usr/bin as the path for mktemp in build tools 2018-02-06 15:41:35 +00:00
myhistedit.h sh: implement persistent history storage 2022-04-30 09:55:42 +02:00
mystring.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
mystring.h General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
nodes.c.pat Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
nodetypes src/bin/sh: Fix spelling errors 2021-11-18 21:52:21 -07:00
options.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
options.h sh: Add set -o pipefail 2019-02-24 21:05:13 +00:00
output.c sh: Send normal output from bind builtin to stdout 2019-02-19 21:27:30 +00:00
output.h sh: Send normal output from bind builtin to stdout 2019-02-19 21:27:30 +00:00
parser.c Make sh(1) support \u in PS1. This removes one fork/exec on interactive 2019-01-24 11:59:46 +00:00
parser.h General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
profile Don't mess with BLOCKSIZE in shell startup files - it's set by login.conf(5); 2019-01-20 22:08:49 +00:00
redir.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
redir.h General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
sh.1 sh: implement persistent history storage 2022-04-30 09:55:42 +02:00
shell.h src/bin/sh: Fix spelling errors 2021-11-18 21:52:21 -07:00
show.c sh: fix debug build 2021-05-05 13:04:58 +02:00
show.h sh: fix debug build 2021-05-05 13:04:58 +02:00
TOUR sh: Unify EXERROR and EXEXEC 2018-11-09 14:58:24 +00:00
trap.c sh: implement persistent history storage 2022-04-30 09:55:42 +02:00
trap.h sh: Keep ignored SIGINT/SIGQUIT after set in a background job 2020-08-28 15:35:45 +00:00
var.c sh: Do not place exported but unset variables into the environment 2019-01-03 20:22:35 +00:00
var.h General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00