scripts: lint: Add --manifest option.

* guix/scrips/lint.scm (show-help): Describe option.
(%options): Add 'manifest'option.
(guix-lint): Run checkers on packages defined in manifest.
* doc/guix.texi (Invoking guix lint): Document option.
* tests/guix-lint.sh: Test option.  Normalize whitespace.
* guix/scripts/refresh.scm: Export packages-from-manifest.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Modified-by: Ludovic Courtès <ludo@gnu.org>
Merges: #10653

1 files changed, 10 insertions, 2 deletions

diff --git a/tests/guix-lint.sh b/tests/guix-lint.sh
index 4a77315b3a2..2b36649a8b2 100644
--- a/tests/guix-lint.sh
+++ b/tests/guix-lint.sh
@@ -52,6 +52,10 @@ cat > "$module_dir/foo.scm"<<EOF
     (name "bar")))
 EOF
 
+cat > "${module_dir}/foomanifest.scm"<<EOF
+(specifications->manifest '("dummy"))
+EOF
+
 GUIX_PACKAGE_PATH="$module_dir"
 export GUIX_PACKAGE_PATH
 
@@ -64,8 +68,8 @@ grep_warning ()
 # Issues with the dummy package:
 # 1) the synopsis starts with the package name;
 # 2) the synopsis starts with a lower-case letter;
-# 3) the description has a single space following the end-of-sentence period;
-# 4) the alphabetically lesser bar package succeeds it.
+# 3) the description has a single space following the end-of-sentence period;
+# 4) the alphabetically lesser bar package succeeds it.
 
 out=`guix lint -c synopsis,description dummy 2>&1`
 test `grep_warning "$out"` -eq 3
@@ -79,6 +83,10 @@ test `grep_warning "$out"` -eq 1
 out=`guix lint -c description,synopsis dummy 2>&1`
 test `grep_warning "$out"` -eq 3
 
+# Test specifying a manifest.
+out=`guix lint -c synopsis,description -m ${module_dir}/foomanifest.scm 2>&1`
+test `grep_warning "$out"` -eq 3
+
 working_dir="$(pwd)"
 cd "$module_dir"
 out=`guix lint -c name -f foo.scm 2>&1`