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Load configuration from files

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Default configuration will be created, then merged (if the files exist) with
/etc/spp-defaults.rc and then ~/.spp.rc
This commit is contained in:
Emmanuel BENOîT 2020-10-21 10:00:13 +02:00
parent e501848b14
commit 8652ef6f68
1 changed files with 27 additions and 3 deletions
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30
spp.pl
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@ -12,8 +12,11 @@ use POSIX qw(strftime);
# DEFAULT CONFIGURATION ====================================================={{{ # DEFAULT CONFIGURATION ====================================================={{{
our %CONFIG = ( our %CONFIG = (
# Allow overrides from environment # CONFIGURATION
allow_env_overrides => 0 , # - Issue warnings about configuration files
cfg_warn_files => 1 ,
# - Allow overrides from environment
cfg_from_env => 0 ,
# LAYOUT # LAYOUT
# - Theme and local overrides # - Theme and local overrides
@ -740,11 +743,32 @@ sub get_config_overrides
} }
} }
sub load_config
{
foreach my $cfg_file ( ( '/etc/spp-defaults.rc' , "$ENV{HOME}/.spp.rc" ) ) {
next unless -f $cfg_file;
my $data = do $cfg_file;
my $warn = $CONFIG{cfg_warn_files};
if ( $@ ) {
warn "could not parse `$cfg_file': $@" if $warn;
} elsif ( !defined $data ) {
warn "could not do `$cfg_file': $!\n" if $warn;
} elsif ( !$data ) {
warn "could not run `$cfg_file'\n" if $warn;
} elsif ( ref( $data ) ne 'HASH' ) {
warn "`$cfg_file' does not contain a hash\n" if $warn;
} else {
%CONFIG = ( %CONFIG , %$data );
}
}
get_config_overrides if $CONFIG{cfg_from_env};
}
sub main sub main
{ {
load_config;
%THEMES = init_themes; %THEMES = init_themes;
chop( $COLUMNS = `tput cols` ); chop( $COLUMNS = `tput cols` );
get_config_overrides if $CONFIG{allow_env_overrides};
%TLEN = compute_trans_lengths; %TLEN = compute_trans_lengths;
my $pg = gen_term_title; my $pg = gen_term_title;
my $ps1 = $pg . gen_top_line; my $ps1 = $pg . gen_top_line;