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authorTimo Teräs <timo.teras@iki.fi>2016-02-16 15:19:15 +0200
committerTimo Teräs <timo.teras@iki.fi>2016-02-16 15:19:52 +0200
commit445ea072205cfb2d9ecd9ffb28d88023d5d24ea5 (patch)
tree7285a08987facb67d8513a3b22f8aa22650b7ad5 /src
parent22d56cfe28ed53f3bf3d53dc606ae45748c5bb7d (diff)
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implement fetch --purge
which will delete any .apk package on output directory that were not downloaded by fetch this allows apk fetch to incrementally build repositories for binary images
Diffstat (limited to 'src')
-rw-r--r--src/fetch.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/fetch.c b/src/fetch.c
index 3bb7934..14e0790 100644
--- a/src/fetch.c
+++ b/src/fetch.c
@@ -264,6 +264,37 @@ err:
mark_error(ctx, match, name);
}
+static int purge_package(void *pctx, int dirfd, const char *filename)
+{
+ char tmp[PATH_MAX];
+ struct fetch_ctx *ctx = (struct fetch_ctx *) pctx;
+ struct apk_database *db = ctx->db;
+ struct apk_provider *p0;
+ struct apk_name *name;
+ apk_blob_t b = APK_BLOB_STR(filename), bname, bver;
+ size_t l;
+
+ if (apk_pkg_parse_name(b, &bname, &bver)) return 0;
+ name = apk_db_get_name(db, bname);
+ if (!name) return 0;
+
+ foreach_array_item(p0, name->providers) {
+ if (p0->pkg->name != name) continue;
+ l = snprintf(tmp, sizeof tmp, PKG_FILE_FMT, PKG_FILE_PRINTF(p0->pkg));
+ if (l > sizeof tmp) continue;
+ if (apk_blob_compare(b, APK_BLOB_PTR_LEN(tmp, l)) != 0) continue;
+ if (p0->pkg->marked) return 0;
+ break;
+ }
+
+ apk_message("Purging %s", filename);
+ if (apk_flags & APK_SIMULATE)
+ return 0;
+
+ unlinkat(dirfd, filename, 0);
+ return 0;
+}
+
static int fetch_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
{
struct fetch_ctx *ctx = (struct fetch_ctx *) pctx;
@@ -290,6 +321,11 @@ static int fetch_main(void *pctx, struct apk_database *db, struct apk_string_arr
if (!ctx->errors)
apk_hash_foreach(&db->available.packages, fetch_package, ctx);
+ /* Remove packages not matching download spec from the output directory */
+ if (!ctx->errors && (apk_flags & APK_PURGE) &&
+ !(ctx->flags & FETCH_STDOUT) && ctx->outdir_fd > 0)
+ apk_dir_foreach_file(ctx->outdir_fd, purge_package, ctx);
+
return ctx->errors;
}