diff options
| author | sinanmohd <sinan@sinanmohd.com> | 2024-06-25 10:09:51 +0530 |
|---|---|---|
| committer | sinanmohd <sinan@sinanmohd.com> | 2024-06-25 11:41:36 +0530 |
| commit | cc02eba1d357dde0132593649c67a194750fe37d (patch) | |
| tree | f21ed36fb32415faeb09b042bbb53d43c6043f0f | |
| parent | 129082adfc234cdc2481d98b7f523a75126a0cf1 (diff) | |
jobs: check cache status of derivations
| -rw-r--r-- | include/jobs.h | 2 | ||||
| -rw-r--r-- | src/jobs.c | 39 | ||||
| -rw-r--r-- | src/queue.c | 3 |
3 files changed, 42 insertions, 2 deletions
diff --git a/include/jobs.h b/include/jobs.h index 2357680..11f6b01 100644 --- a/include/jobs.h +++ b/include/jobs.h @@ -11,6 +11,7 @@ struct output { struct job { char *name, *drv_path; bool transitive; + bool insubstituters; size_t outputs_size, outputs_filled; struct output **outputs; @@ -30,6 +31,7 @@ typedef enum { JOB_READ_EOF = 1, JOB_READ_EVAL_ERR = 2, JOB_READ_JSON_INVAL = 3, + JOB_READ_CACHED = 4, } job_read_state_t; int job_read(FILE *stream, struct job **jobs); @@ -1,4 +1,5 @@ #include <errno.h> +#include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -204,6 +205,32 @@ static int job_read_outputs(struct job *job, cJSON *outputs) return 0; } +static int job_read_cache(struct job *job, cJSON *is_cached) +{ + int ret; + + if (cJSON_IsFalse(is_cached)) { + job->insubstituters = false; + return JOB_READ_SUCCESS; + } + + for (size_t i = 0; i < job->outputs_filled; i++) { + ret = access(job->outputs[i]->store_path, F_OK); + if (ret == 0) + continue; + + if (errno == ENOENT || errno == ENOTDIR) { + job->insubstituters = true; + return JOB_READ_SUCCESS; + } else { + print_err("%s", strerror(errno)); + return --errno; + } + } + + return JOB_READ_CACHED; +} + int job_read(FILE *stream, struct job **job) { cJSON *temp; @@ -263,6 +290,15 @@ int job_read(FILE *stream, struct job **job) if (ret < 0) goto out_free; + temp = cJSON_GetObjectItemCaseSensitive(root, "isCached"); + if (!cJSON_IsBool(temp)) { + ret = JOB_READ_JSON_INVAL; + goto out_free; + } + ret = job_read_cache(j, temp); + if (ret < 0) + goto out_free; + out_free: cJSON_Delete(root); if (ret != JOB_READ_SUCCESS) @@ -366,11 +402,12 @@ out_free_job: int jobs_init(FILE **stream, char *expr) { size_t argindex; - char *args[4]; + char *args[5]; int ret; argindex = 0; args[argindex++] = "nix-eval-jobs"; + args[argindex++] = "--check-cache-status"; if (evanix_opts.isflake) args[argindex++] = "--flake"; args[argindex++] = expr; diff --git a/src/queue.c b/src/queue.c index d895ebc..a5b4d6a 100644 --- a/src/queue.c +++ b/src/queue.c @@ -66,7 +66,8 @@ void *queue_thread_entry(void *queue_thread) ret = 0; break; } else if (ret == JOB_READ_EVAL_ERR || - ret == JOB_READ_JSON_INVAL) { + ret == JOB_READ_JSON_INVAL || + ret == JOB_READ_CACHED) { continue; } else if (ret == JOB_READ_SUCCESS) { queue_push(qt->queue, job); |