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Implement a new caching system to make repeated runs much much faster.

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This commit is contained in:
Squibid 2025-11-14 04:02:16 -05:00
parent 4a008a82b0
commit 5e0e140b09
Signed by: squibid
GPG key ID: BECE5684D3C4005D
8 changed files with 252 additions and 44 deletions
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58
XD.c
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@ -1,3 +1,4 @@
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -16,42 +17,11 @@
#include <git2.h>
#endif
#include "helpers.h"
#include "hash.h"
#define P(X) fwrite(X, 1, 1, stdout)
#if defined(ERR) || defined(EXPLAIN)
void
l(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if (fmt[0] && fmt[strlen(fmt) - 1] == ':') {
fputc(' ', stderr);
perror(NULL);
} else {
fputc('\n', stderr);
}
}
#endif
#ifdef ERR
#define L(...) l(__VA_ARGS__)
#else
#define L(...)
#endif
#ifdef EXPLAIN
static int explain = 0;
#define E(...) if (explain) { \
l(__VA_ARGS__); \
} else
#else
#define E(...)
#endif
#ifdef GIT
/**
* @brief search all parent directories for a git repo
@ -194,9 +164,20 @@ has_untracked(git_repository *repo)
{
git_status_options opts = GIT_STATUS_OPTIONS_INIT;
git_status_list *list = NULL;
repohash *storedhash;
int r = 0;
/* FIXME: this is really slow in large git repos :( */
#ifdef GITHASH
if ((storedhash = read_hash(repo))
&& storedhash->hash == generate_hash(repo)) {
r = storedhash->changes;
free(storedhash);
return r;
}
#endif
/* if we need to regen the hash then we need to do a hard check on the real
* git repository */
opts.show = GIT_STATUS_SHOW_INDEX_AND_WORKDIR;
opts.flags = GIT_STATUS_OPT_INCLUDE_UNTRACKED |
GIT_STATUS_OPT_RENAMES_HEAD_TO_INDEX |
@ -209,9 +190,10 @@ has_untracked(git_repository *repo)
}
/* if any changes are found return 1 */
if (git_status_list_entrycount(list) > 0) {
r = 1;
}
r = git_status_list_entrycount(list) > 0;
#ifdef GITHASH
write_hash(repo, (repohash){ .hash = generate_hash(repo), .changes = r });
#endif
git_status_list_free(list);
return r;