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-rw-r--r--guix-data-service/model/derivation.scm18
1 files changed, 18 insertions, 0 deletions
diff --git a/guix-data-service/model/derivation.scm b/guix-data-service/model/derivation.scm
index 5e8e3cf..f26102c 100644
--- a/guix-data-service/model/derivation.scm
+++ b/guix-data-service/model/derivation.scm
@@ -41,6 +41,7 @@
select-derivation-sources-by-derivation-id
select-derivation-references-by-derivation-id
select-derivation-source-file-by-store-path
+ select-derivation-source-file-nar-data-by-file-name
select-derivation-by-output-filename
select-derivations-using-output
select-derivations-in-revision
@@ -804,6 +805,23 @@ WHERE store_path = $1")
(map car (exec-query conn query (list store-path))))
+(define (select-derivation-source-file-nar-data-by-file-name conn file-name)
+ (match (exec-query
+ conn
+ "
+SELECT data
+FROM derivation_source_file_nars
+INNER JOIN derivation_source_files
+ ON derivation_source_file_nars.derivation_source_file_id =
+ derivation_source_files.id
+WHERE derivation_source_files.store_path = $1"
+ (list file-name))
+ (((data))
+ (base16-string->bytevector
+ ;; Drop \x from the start of the string
+ (string-drop data 2)))
+ (() #f)))
+
(define (select-serialized-derivation-by-file-name conn derivation-file-name)
(define (double-quote s)
(string-append