63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
// PROMPT_COMMAND for z.sh
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <unistd.h>
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int main(int argc, char **argv) {
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if (argv[1] == NULL) return EXIT_FAILURE;
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char * _Z_DATA;
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char datafile[PATH_MAX];
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char tmpfile[PATH_MAX];
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FILE *read;
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FILE *write;
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char line[LINE_MAX];
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char pth[PATH_MAX];
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float rank;
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int timestamp;
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struct stat s;
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time_t epoch = time(NULL);
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int found = 0;
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// Don't track $HOME
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if (strcmp(argv[1], getenv("HOME")) == 0) return EXIT_SUCCESS;
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_Z_DATA = getenv("_Z_DATA");
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if( _Z_DATA == NULL ) {
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sprintf(datafile, "%s/.z", getenv("HOME"));
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} else {
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sprintf(datafile, "%s", _Z_DATA);
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}
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read = fopen(datafile, "r");
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if (read == NULL) return EXIT_FAILURE;
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srand(time(NULL));
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sprintf(tmpfile, "%s.%d", datafile, rand());
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write = fopen(tmpfile, "w");
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if (write == NULL) return EXIT_FAILURE;
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while (fgets(line, sizeof line, read) != NULL) {
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sscanf(line, "%[^|]|%f|%d\n", pth, &rank, ×tamp);
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if (stat(pth, &s) == 0 && s.st_mode & S_IFDIR ) {
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if (strcmp(pth, argv[1]) == 0) {
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fprintf(write, "%s|%f|%d\n", pth, rank + 1, (int) epoch);
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found = 1;
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} else if (rank >= 1) fprintf(write, "%s", line);
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}
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}
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if (!found) fprintf(write, "%s|1|%d\n", argv[1], (int) epoch);
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fclose(read);
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fclose(write);
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if (rename(tmpfile, datafile) == 0) return EXIT_SUCCESS;
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return EXIT_FAILURE;
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}
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