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| author | Leo Famulari <leo@famulari.name> | 2017-06-29 18:02:17 -0400 |
|---|---|---|
| committer | Leo Famulari <leo@famulari.name> | 2017-06-29 18:02:17 -0400 |
| commit | 1024c8119c71ba3ec0122238e8d8254b08d29187 (patch) | |
| tree | ad12a1aac7f828791154a1786d4f245db71b46e9 /guix/profiles.scm | |
| parent | 92cb946bd9d78cb8f6aa8418d505f52da6894ab4 (diff) | |
| parent | 95bbaa02aa63bc5eae36f686f1ed9915663aa4cf (diff) | |
| download | guix-patches-1024c8119c71ba3ec0122238e8d8254b08d29187.tar guix-patches-1024c8119c71ba3ec0122238e8d8254b08d29187.tar.gz | |
Merge branch 'master' into core-updates
Diffstat (limited to 'guix/profiles.scm')
| -rw-r--r-- | guix/profiles.scm | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/guix/profiles.scm b/guix/profiles.scm index dcb5186c7a..056406e303 100644 --- a/guix/profiles.scm +++ b/guix/profiles.scm @@ -96,6 +96,7 @@ manifest-transaction-install-entry manifest-transaction-remove-pattern manifest-transaction-null? + manifest-transaction-removal-candidate? manifest-perform-transaction manifest-transaction-effects @@ -564,6 +565,12 @@ remove software." (($ <manifest-transaction> () ()) #t) (($ <manifest-transaction> _ _) #f))) +(define (manifest-transaction-removal-candidate? entry transaction) + "Return true if ENTRY is a candidate for removal in TRANSACTION." + (any (lambda (pattern) + ((entry-predicate pattern) entry)) + (manifest-transaction-remove transaction))) + (define (manifest-transaction-effects manifest transaction) "Compute the effect of applying TRANSACTION to MANIFEST. Return 4 values: the list of packages that would be removed, installed, upgraded, or downgraded |