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cmd/upgrade: add --dry-run option.

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This commit is contained in:
Doug Hogan 2019-07-26 22:55:16 -07:00
parent 6db1c7383f
commit 9e0e012a56
4 changed files with 28 additions and 3 deletions
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12
Library/Homebrew/cmd/upgrade.rb
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@ -46,6 +46,8 @@ module Homebrew
description: "Print the verification and postinstall steps."
switch "--display-times",
description: "Print install times for each formula at the end of the run."
switch "--dry-run",
description: "Show what would be upgraded, but do not actually upgrade anything."
conflicts "--build-from-source", "--force-bottle"
formula_options
end
@ -104,11 +106,15 @@ module Homebrew
puts formulae_upgrades.join(", ")
end
upgrade_formulae(formulae_to_install)
if args.dry_run?
puts "Dry run: did not upgrade anything."
else
upgrade_formulae(formulae_to_install)
check_dependents(formulae_to_install)
check_dependents(formulae_to_install)
Homebrew.messages.display_messages
Homebrew.messages.display_messages
end
end
def upgrade_formulae(formulae_to_install)

13
Library/Homebrew/test/cmd/upgrade_spec.rb
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@ -16,4 +16,17 @@ describe "brew upgrade", :integration_test do
expect(HOMEBREW_CELLAR/"testball/0.1").to be_a_directory
expect(HOMEBREW_CELLAR/"testball/0.0.1").not_to exist
end
it "can do a dry run upgrade" do
setup_test_formula "testball"
(HOMEBREW_CELLAR/"testball/0.0.1/foo").mkpath
expect { brew "upgrade", "--dry-run" }
.to output(/Dry run: did not upgrade anything/).to_stdout
.and not_to_output.to_stderr
.and be_a_success
expect(HOMEBREW_CELLAR/"testball/0.1").not_to exist
expect(HOMEBREW_CELLAR/"testball/0.0.1").to be_a_directory
end
end

2
docs/Manpage.md
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@ -557,6 +557,8 @@ upgraded formulae or, every 30 days, for all formulae.
Don't delete the temporary files created during installation.
* `--display-times`:
Print install times for each formula at the end of the run.
* `--dry-run`:
Show what would be upgraded, but do not actually upgrade anything.
### `uses` [*`options`*] *`formula`*

4
manpages/brew.1
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@ -690,6 +690,10 @@ Don\'t delete the temporary files created during installation\.
\fB\-\-display\-times\fR
Print install times for each formula at the end of the run\.
.
.TP
\fB\-\-dry\-run\fR
Show what would be upgraded, but do not actually upgrade anything\.
.
.SS "\fBuses\fR [\fIoptions\fR] \fIformula\fR"
Show the formulae that specify \fIformula\fR as a dependency\. When given multiple formula arguments, show the intersection of formulae that use \fIformula\fR\.
.