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pactree: Add "--config" option

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This allows for specifying an alternate configuration file path, similar
to pacman's "--config" option.

Given that there is currently no other way to tell pactree to read from
another configuration file (except for patching or symlinking), this
seems totally sensible - even if there are plans to refactor and/or
replace the standalone configuration file parser.

We do not define a short option for the sake of consistency with
pacman's set of command line options.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Lukas Fleischer 2011-10-10 14:38:59 +02:00 committed by Dan McGee
parent 36f31dd133
commit fb401f569e
1 changed files with 15 additions and 3 deletions
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18
src/util/pactree.c
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@ -76,6 +76,11 @@ static struct color_choices no_color = {
""
};
/* long operations */
enum {
OP_CONFIG = 1000
};
/* globals */
alpm_handle_t *handle = NULL;
alpm_list_t *walked = NULL;
@ -90,6 +95,7 @@ int reverse = 0;
int unique = 0;
int searchsyncs = 0;
const char *dbpath = DBPATH;
const char *configfile = CONFFILE;
#ifndef HAVE_STRNDUP
/* A quick and dirty implementation derived from glibc */
@ -154,7 +160,7 @@ static int register_syncs(void) {
char line[LINE_MAX];
const alpm_siglevel_t level = ALPM_SIG_DATABASE | ALPM_SIG_DATABASE_OPTIONAL;
fp = fopen(CONFFILE, "r");
fp = fopen(configfile, "r");
if(!fp) {
return 1;
}
@ -202,6 +208,8 @@ static int parse_options(int argc, char *argv[])
{"reverse", no_argument, 0, 'r'},
{"sync", no_argument, 0, 'S'},
{"unique", no_argument, 0, 'u'},
{"config", required_argument, 0, OP_CONFIG},
{0, 0, 0, 0}
};
@ -211,6 +219,9 @@ static int parse_options(int argc, char *argv[])
}
switch(opt) {
case OP_CONFIG:
configfile = optarg;
break;
case 'b':
dbpath = optarg;
break;
@ -263,11 +274,12 @@ static void usage(void)
" -c, --color colorize output\n"
" -d, --depth <#> limit the depth of recursion\n"
" -g, --graph generate output for graphviz's dot\n"
" -h, --help display this help message\n"
" -l, --linear enable linear output\n"
" -r, --reverse show reverse dependencies\n"
" -s, --sync search sync DBs instead of local\n"
" -u, --unique show dependencies with no duplicates (implies -l)\n\n"
" -h, --help display this help message\n");
" -u, --unique show dependencies with no duplicates (implies -l)\n"
" --config <path> set an alternate configuration file\n");
}
static void cleanup(void)