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rebase: stop reading and writing unnecessary strategy state

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The state files for "--strategy" and "--strategy-option" are written and
read twice, once by builtin/rebase.c and then by sequencer.c. This is an
artifact of the scripted rebase and the need to support "rebase
--preserve-merges". Now that "--preserve-merges" no-longer exists we
only need to read and write these files in sequencer.c. This enables us
to remove a call to free() in read_strategy_opts() that was added by
f1f4ebf432 (sequencer.c: fix "opts->strategy" leak in
read_strategy_opts(), 2022-11-08) as this commit fixes the root cause of
that leak.

There is further scope for removing duplication in the reading and
writing of state files between builtin/rebase.c and sequencer.c but that
is left for a follow up series.

Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Phillip Wood 2023-04-10 10:08:27 +01:00 committed by Junio C Hamano
parent 140b9478da
commit 461434a013
2 changed files with 0 additions and 25 deletions
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24
builtin/rebase.c
View file

@ -483,24 +483,6 @@ static int read_basic_state(struct rebase_options *opts)
opts->gpg_sign_opt = xstrdup(buf.buf);
}
if (file_exists(state_dir_path("strategy", opts))) {
strbuf_reset(&buf);
if (!read_oneliner(&buf, state_dir_path("strategy", opts),
READ_ONELINER_WARN_MISSING))
return -1;
free(opts->strategy);
opts->strategy = xstrdup(buf.buf);
}
if (file_exists(state_dir_path("strategy_opts", opts))) {
strbuf_reset(&buf);
if (!read_oneliner(&buf, state_dir_path("strategy_opts", opts),
READ_ONELINER_WARN_MISSING))
return -1;
free(opts->strategy_opts);
opts->strategy_opts = xstrdup(buf.buf);
}
strbuf_release(&buf);
return 0;
@ -518,12 +500,6 @@ static int rebase_write_basic_state(struct rebase_options *opts)
write_file(state_dir_path("quiet", opts), "%s", "");
if (opts->flags & REBASE_VERBOSE)
write_file(state_dir_path("verbose", opts), "%s", "");
if (opts->strategy)
write_file(state_dir_path("strategy", opts), "%s",
opts->strategy);
if (opts->strategy_opts)
write_file(state_dir_path("strategy_opts", opts), "%s",
opts->strategy_opts);
if (opts->allow_rerere_autoupdate > 0)
write_file(state_dir_path("allow_rerere_autoupdate", opts),
"-%s-rerere-autoupdate",

1
sequencer.c
View file

@ -2944,7 +2944,6 @@ static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf)
strbuf_reset(buf);
if (!read_oneliner(buf, rebase_path_strategy(), 0))
return;
free(opts->strategy);
opts->strategy = strbuf_detach(buf, NULL);
if (!read_oneliner(buf, rebase_path_strategy_opts(), 0))
return;