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#include "conf-update.h"
char *get_real_filename(const char *update) {
char *file = (char *)calloc(strlen(update) + 1 - strlen("._cfg????_"), sizeof(char));
strncpy(file, update, strrchr(update, '/') - update + 1);
strcat(file, strrchr(update, '/') + strlen("._cfg????_") + 1);
return file;
}
char *get_highest_update(char **index, char *update) {
// update is just any update of the real file we want to get the highest update for
char *real_file = get_real_filename(update);
char *my_real_file;
char *highest_update = update;
int i;
for (i=0;!is_last_entry(index[i]);i++) {
if (is_valid_entry(index[i])) {
my_real_file = get_real_filename(index[i]);
if (!strcmp(my_real_file, real_file)) {
if (strcmp(index[i], highest_update) > 0) {
highest_update = index[i];
}
}
free(my_real_file);
}
}
free(real_file);
return highest_update;
}
bool is_last_entry(const char *entry) {
if (entry == LAST_ENTRY) {
return TRUE;
} else {
return FALSE;
}
}
bool is_valid_entry(const char *entry) {
if (entry == LAST_ENTRY || entry == SKIP_ENTRY) {
return FALSE;
} else {
return TRUE;
}
}
void merge(char *update, char **index) {
char *real_file = get_real_filename(update);
char *my_real_file;
int i;
exit_error(!rename(update, real_file), update);
for (i=0;!is_last_entry(index[i]);i++) {
if (is_valid_entry(index[i])) {
my_real_file = get_real_filename(index[i]);
if (!strcmp(my_real_file, real_file)) {
if (strcmp(update, index[i])) {
exit_error(!unlink(index[i]), index[i]);
}
free(index[i]);
index[i] = SKIP_ENTRY;
}
free(my_real_file);
}
}
free(real_file);
}
int show_diff(char *update) {
extern struct configuration config;
char *realfile = get_real_filename(update);
char *esc_realfile = g_shell_quote(realfile);
char *esc_update = g_shell_quote(update);
char *cmd = (char *)calloc(strlen(config.diff_tool) + strlen(" % % | ") + strlen(esc_update) + strlen(esc_realfile) + strlen(config.pager) + 1, sizeof(char));
int ret;
strcpy(cmd, config.diff_tool);
strcat(cmd, " ");
strcat(cmd, esc_realfile);
strcat(cmd, " ");
strcat(cmd, esc_update);
if (strcmp(config.pager, "")) {
strcat(cmd, " | ");
strcat(cmd, config.pager);
}
ret = system(cmd);
free(realfile);
g_free(esc_realfile);
g_free(esc_update);
free(cmd);
return ret;
}
int edit_update(char *update) {
extern struct configuration config;
char *esc_update = g_shell_quote(update);
char *cmd = calloc(strlen(config.edit_tool) + strlen(" ") + strlen(esc_update), sizeof(char));
int ret;
strcpy(cmd, config.edit_tool);
strcat(cmd, " ");
strcat(cmd, esc_update);
ret = system(cmd);
g_free(esc_update);
free(cmd);
return ret;
}
char **merge_interactively(char *update, char **index) {
// customized versions are ._cfg????- with a minus instead of a underscore
// that way get_real_filename() works without modification
extern struct configuration config;
char *realfile = get_real_filename(update);
char *esc_realfile = g_shell_quote(realfile);
char *esc_update = g_shell_quote(update);
char *cmd = calloc(strlen("clear ; ") + strlen(config.merge_tool) + 2 * strlen(esc_update) + strlen(esc_realfile) + strlen(" % % %"), sizeof(char));
char *merged, *esc_merged;
char **new_index = index;
int retval, ct;
// interactively merge an interactively merged file? naah.
if (*(strstr(update, "._cfg") + strlen("._cfg????")) == '_') {
merged = strdup(update);
*(strstr(merged, "._cfg") + strlen("._cfg????")) = '-';
esc_merged = g_shell_quote(merged);
strcpy(cmd, "clear ; ");
strcat(cmd, config.merge_tool);
strcat(cmd, " ");
strcat(cmd, esc_merged);
strcat(cmd, " ");
strcat(cmd, esc_realfile);
strcat(cmd, " ");
strcat(cmd, esc_update);
retval = WEXITSTATUS(system(cmd));
if (retval == 0 || retval == 1) {
for (ct=0;!is_last_entry(index[ct]);ct++) {}
new_index = realloc(index, (ct + 2) * sizeof(char *));
new_index[ct] = strdup(merged);
new_index[ct+1] = LAST_ENTRY;
} else {
// user aborted or error
unlink(merged);
}
free(merged);
g_free(esc_merged);
}
free(cmd);
free(realfile);
g_free(esc_realfile);
g_free(esc_update);
return new_index;
}
void display_help() {
char *str = \
"Usage: " PROG_NAME " [options] [location1] [locationN] ...\n\n"
"Options:\n"
"\t--help (-h) Show this message\n"
"\n"
"Locations: absolute path to a directory to search through\n"
" instead of CONFIG_PROTECT\n"
"\n"
"Shortcuts: \n"
"\tSelecting a directory will select all its updates\n";
fprintf(stderr, "%s", str);
exit(EXIT_SUCCESS);
}
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