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| author | Ludovic Courtès <ludo@gnu.org> | 2019-02-12 22:51:23 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-02-12 23:30:16 +0100 |
| commit | 201253674bca6a1bf5d45e2af46fbb5c34f060bf (patch) | |
| tree | b2419a01f33065ac6b9a20235e31ff01d053f093 /guix | |
| parent | cf0eacceb46492515431fec6bcf25b750b7d402d (diff) | |
pull: Speed up the new/upgraded package computation.
* guix/scripts/pull.scm (new/upgraded-packages): OLD no longer stores
all the versions of each package. Remove 'vhash-fold*' call and reduce
the number of 'version>?' calls when computing UPGRADED.
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/scripts/pull.scm | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/guix/scripts/pull.scm b/guix/scripts/pull.scm index 408ff91978..730b6a0bf2 100644 --- a/guix/scripts/pull.scm +++ b/guix/scripts/pull.scm @@ -353,7 +353,13 @@ pairs, and return two values: the list of packages new in ALIST2, and the list of packages upgraded in ALIST2." (let* ((old (fold (match-lambda* (((name . version) table) - (vhash-cons name version table))) + (match (vhash-assoc name table) + (#f + (vhash-cons name version table)) + ((_ . previous-version) + (if (version>? version previous-version) + (vhash-cons name version table) + table))))) vlist-null alist1)) (new (remove (match-lambda @@ -362,11 +368,10 @@ of packages upgraded in ALIST2." alist2)) (upgraded (filter-map (match-lambda ((name . new-version) - (match (vhash-fold* cons '() name old) - (() #f) - ((= (cut sort <> version>?) old-versions) - (and (version>? new-version - (first old-versions)) + (match (vhash-assoc name old) + (#f #f) + ((_ . old-version) + (and (version>? new-version old-version) (string-append name "@" new-version)))))) alist2))) |