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Introduce shell_expand

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This performs shell expansion without field splitting. This fixes issues with
filenames containing spaces.

This commit also cleans up complicated logic to join fields and to set
XDG_CONFIG_HOME.
This commit is contained in:
emersion 2018-12-10 23:20:27 +01:00
parent 6acbe84fdd
commit 8389047b47
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GPG key ID: 0FDE7BE0E88F5E48
8 changed files with 121 additions and 114 deletions
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32
swaynag/config.c
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@ -1,10 +1,10 @@
#define _POSIX_C_SOURCE 200809L
#include <getopt.h>
#include <stdlib.h>
#include <wordexp.h>
#include "log.h"
#include "list.h"
#include "log.h"
#include "readline.h"
#include "shexp.h"
#include "swaynag/swaynag.h"
#include "swaynag/types.h"
#include "util.h"
@ -306,31 +306,17 @@ char *swaynag_get_config_path(void) {
SYSCONFDIR "/swaynag/config",
};
if (!getenv("XDG_CONFIG_HOME")) {
char *home = getenv("HOME");
char *config_home = malloc(strlen(home) + strlen("/.config") + 1);
if (!config_home) {
wlr_log(WLR_ERROR, "Unable to allocate $HOME/.config");
} else {
strcpy(config_home, home);
strcat(config_home, "/.config");
setenv("XDG_CONFIG_HOME", config_home, 1);
wlr_log(WLR_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home);
free(config_home);
}
char *config_home = getenv("XDG_CONFIG_HOME");
if (config_home == NULL || config_home[0] == '\0') {
config_paths[1] = "$HOME/.config/swaynag/config";
}
wordexp_t p;
char *path;
for (size_t i = 0; i < sizeof(config_paths) / sizeof(char *); ++i) {
if (wordexp(config_paths[i], &p, 0) == 0) {
path = strdup(p.we_wordv[0]);
wordfree(&p);
if (file_exists(path)) {
return path;
}
free(path);
char *path = strdup(config_paths[i]);
if (shell_expand(&path) && file_exists(path)) {
return path;
}
free(path);
}
return NULL;