Add limit flag for issue and release commands

commands/issue.go

@@ -17,7 +17,7 @@ var (
 	cmdIssue = &Command{
 		Run: listIssues,
 		Usage: `
-issue [-a <ASSIGNEE>] [-c <CREATOR>] [-@ <USER>] [-s <STATE>] [-f <FORMAT>] [-M <MILESTONE>] [-l <LABELS>] [-d <DATE>] [-o <SORT_KEY> [-^]]
+issue [-a <ASSIGNEE>] [-c <CREATOR>] [-@ <USER>] [-s <STATE>] [-f <FORMAT>] [-M <MILESTONE>] [-l <LABELS>] [-d <DATE>] [-o <SORT_KEY> [-^]] [-L <LIMIT>]
 issue create [-oc] [-m <MESSAGE>|-F <FILE>] [-a <USERS>] [-M <MILESTONE>] [-l <LABELS>]
 `,
 		Long: `Manage GitHub issues for the current project.
@@ -131,6 +131,9 @@ With no arguments, show a list of open issues.
 	-^ --sort-ascending
 		Sort by ascending dates instead of descending.
 
+	-L, --limit <LIMIT>
+		Display only the first <LIMIT> issues.
+
 	--include-pulls
 		Include pull requests as well as issues.
 `,
@@ -165,6 +168,8 @@ With no arguments, show a list of open issues.
 
 	flagIssueAssignees,
 	flagIssueLabels listFlag
+
+	flagIssueLimit int
 )
 
 func init() {
@@ -188,6 +193,7 @@ func init() {
 	cmdIssue.Flag.StringVarP(&flagIssueSort, "sort", "o", "created", "SORT_KEY")
 	cmdIssue.Flag.BoolVarP(&flagIssueSortAscending, "sort-ascending", "^", false, "SORT_KEY")
 	cmdIssue.Flag.BoolVarP(&flagIssueIncludePulls, "include-pulls", "", false, "INCLUDE_PULLS")
+	cmdIssue.Flag.IntVarP(&flagIssueLimit, "limit", "L", -1, "LIMIT")
 
 	cmdIssue.Use(cmdCreateIssue)
 	CmdRunner.Use(cmdIssue)
@@ -244,12 +250,17 @@ func listIssues(cmd *Command, args *Args) {
 		}
 
 		colorize := ui.IsTerminal(os.Stdout)
+		c := 0
 		for _, issue := range issues {
 			if !flagIssueIncludePulls && issue.PullRequest != nil {
 				continue
 			}
 
 			ui.Printf(formatIssue(issue, flagIssueFormat, colorize))
+			c++
+			if c == flagIssueLimit {
+				break
+			}
 		}
 	}
 

commands/release.go

@@ -17,7 +17,7 @@ var (
 	cmdRelease = &Command{
 		Run: listReleases,
 		Usage: `
-release [--include-drafts] [--exclude-prereleases]
+release [--include-drafts] [--exclude-prereleases] [-L <LIMIT>]
 release show <TAG>
 release create [-dpoc] [-a <FILE>] [-m <MESSAGE>|-F <FILE>] [-t <TARGET>] <TAG>
 release edit [<options>] <TAG>
@@ -56,6 +56,9 @@ With '--exclude-prereleases', exclude non-stable releases from the listing.
 	  Delete the release and associated assets for the specified <TAG>.
 
 ## Options:
+	-L, --limit
+		Display only the first <LIMIT> releases.
+
 	-d, --draft
 		Create a draft release.
 
@@ -135,11 +138,14 @@ hub(1), git-tag(1)
 	flagReleaseCommitish string
 
 	flagReleaseAssets stringSliceValue
+
+	flagReleaseLimit int
 )
 
 func init() {
 	cmdRelease.Flag.BoolVarP(&flagReleaseIncludeDrafts, "include-drafts", "d", false, "DRAFTS")
 	cmdRelease.Flag.BoolVarP(&flagReleaseExcludePrereleases, "exclude-prereleases", "p", false, "PRERELEASE")
+	cmdRelease.Flag.IntVarP(&flagReleaseLimit, "limit", "L", -1, "LIMIT")
 
 	cmdShowRelease.Flag.BoolVarP(&flagReleaseShowDownloads, "show-downloads", "d", false, "DRAFTS")
 
@@ -184,10 +190,15 @@ func listReleases(cmd *Command, args *Args) {
 		releases, err := gh.FetchReleases(project)
 		utils.Check(err)
 
+		c := 0
 		for _, release := range releases {
 			if (!release.Draft || flagReleaseIncludeDrafts) &&
 				(!release.Prerelease || !flagReleaseExcludePrereleases) {
 				ui.Println(release.TagName)
+				c++
+				if c == flagReleaseLimit {
+					break
+				}
 			}
 		}
 	}

features/issue.feature

@@ -38,6 +38,37 @@ Feature: hub issue
            #13  Second issue\n
       """
 
+  Scenario: List limited number of issues
+    Given the GitHub API server:
+    """
+    get('/repos/github/hub/issues') {
+
+      json [
+        { :number => 102,
+          :title => "First issue",
+          :state => "open",
+          :user => { :login => "octocat" },
+        },
+        { :number => 13,
+          :title => "Second issue",
+          :state => "open",
+          :user => { :login => "octocat" },
+        },
+        { :number => 999,
+          :title => "Third issue",
+          :state => "open",
+          :user => { :login => "octocat" },
+        },
+      ]
+    }
+    """
+    When I successfully run `hub issue -L 2`
+    Then the output should contain exactly:
+      """
+          #102  First issue
+           #13  Second issue\n
+      """
+
   Scenario: Fetch issues and pull requests
     Given the GitHub API server:
     """

features/release.feature

@@ -147,6 +147,36 @@ Feature: hub release
       v1.0.0\n
       """
 
+  Scenario: List limited number of releases
+    Given the GitHub API server:
+      """
+      get('/repos/mislav/will_paginate/releases') {
+        json [
+          { tag_name: 'v1.2.0',
+            name: 'will_paginate 1.2.0',
+            draft: false,
+            prerelease: false,
+          },
+          { tag_name: 'v1.2.0-pre',
+            name: 'will_paginate 1.2.0-pre',
+            draft: false,
+            prerelease: true,
+          },
+          { tag_name: 'v1.0.2',
+            name: 'will_paginate 1.0.2',
+            draft: false,
+            prerelease: false,
+          },
+        ]
+      }
+      """
+    When I successfully run `hub release -L 2`
+    Then the output should contain exactly:
+      """
+      v1.2.0
+      v1.2.0-pre\n
+      """
+
   Scenario: Repository not found when listing releases
     Given the GitHub API server:
       """