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Fix 'git log' early pager startup error case

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We start the pager too early for several git commands, which results in
the errors sometimes going to the pager rather than show up as errors.

This is often hidden by the fact that we pass in '-X' to less by default,
which causes 'less' to exit for small output, but if you do

  export LESS=-S

you can then clearly see the problem by doing

  git log --prretty

which shows the error message ("fatal: unrecognized argument: --prretty")
being sent to the pager.

This happens for pretty much all git commands that use USE_PAGER, and then
check arguments separately. But "git diff" does it too early too (even
though it does an explicit setup_pager() call)

This only fixes it for the trivial "git log" family case.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds 2010-08-24 10:33:59 -07:00 committed by Junio C Hamano
parent ef45e4dae0
commit 1fda91b511
2 changed files with 4 additions and 9 deletions
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7
builtin/log.c
View File

@ -125,6 +125,7 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
rev->show_decorations = 1;
load_ref_decorations(decoration_style);
}
setup_pager();
}
/*
@ -491,12 +492,6 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix)
rev.use_terminator = 1;
rev.always_show_header = 1;
/*
* We get called through "git reflog", so unlike the other log
* routines, we need to set up our pager manually..
*/
setup_pager();
return cmd_log_walk(&rev);
}

6
git.c
View File

@ -336,7 +336,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "index-pack", cmd_index_pack },
{ "init", cmd_init_db },
{ "init-db", cmd_init_db },
{ "log", cmd_log, RUN_SETUP | USE_PAGER },
{ "log", cmd_log, RUN_SETUP },
{ "ls-files", cmd_ls_files, RUN_SETUP },
{ "ls-tree", cmd_ls_tree, RUN_SETUP },
{ "ls-remote", cmd_ls_remote },
@ -380,7 +380,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "send-pack", cmd_send_pack, RUN_SETUP },
{ "shortlog", cmd_shortlog, USE_PAGER },
{ "show-branch", cmd_show_branch, RUN_SETUP },
{ "show", cmd_show, RUN_SETUP | USE_PAGER },
{ "show", cmd_show, RUN_SETUP },
{ "status", cmd_status, RUN_SETUP | NEED_WORK_TREE },
{ "stripspace", cmd_stripspace },
{ "symbolic-ref", cmd_symbolic_ref, RUN_SETUP },
@ -395,7 +395,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "var", cmd_var },
{ "verify-tag", cmd_verify_tag, RUN_SETUP },
{ "version", cmd_version },
{ "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER },
{ "whatchanged", cmd_whatchanged, RUN_SETUP },
{ "write-tree", cmd_write_tree, RUN_SETUP },
{ "verify-pack", cmd_verify_pack },
{ "show-ref", cmd_show_ref, RUN_SETUP },