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config: provide access to the current line number

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Users are nowadays trained to see message from CLI tools in the form

    <file>:<lno>: …

To be able to give such messages when notifying the user about
configurations in any config file, it is currently only possible to get
the file name (if the value originates from a file to begin with) via
`current_config_name()`. Now it is also possible to query the current line
number for the configuration.

Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Bert Wesarg
2020-01-27 08:04:31 +01:00
committed by Junio C Hamano
parent 923d4a5ca4
commit f2a2327a4a
4 changed files with 22 additions and 2 deletions
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t/helper/test-config.c
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@ -48,6 +48,7 @@ static int iterate_cb(const char *var, const char *value, void *data)
printf("value=%s\n", value ? value : "(null)");
printf("origin=%s\n", current_config_origin_type());
printf("name=%s\n", current_config_name());
printf("lno=%d\n", current_config_line());
printf("scope=%s\n", config_scope_name(current_config_scope()));
return 0;