git-feed: a script to generate Atom feeds for git commit logs Brennen Bearneshttps://github.com/brennen/git-feed/XML::Atom::SimpleFeed2014-10-28T06:01:58Zbe less clever about return value4ebb36290858e8d4dcdc39f98cbdac8a676e332f<pre>commit 4ebb36290858e8d4dcdc39f98cbdac8a676e332f Author: Brennen Bearnes &lt;bbearnes@gmail.com&gt; Date: Tue Oct 28 05:54:09 2014 -0600 be less clever about return value diff --git a/git-feed b/git-feed index 191480d..d31f6b6 100755 --- a/git-feed +++ b/git-feed @@ -21,9 +21,9 @@ the feed itself). It can be configured for a given repository by doing something like the following: - git config feed.projecturl https://p1k3.com/userland-book/ - git config feed.url https://p1k3.com/userland-book/feed.xml - echo &#39;userland: a book about the command line for human beings&#39; &gt; .git/description + git config feed.projecturl https://p1k3.com/userland-book/ + git config feed.url https://p1k3.com/userland-book/feed.xml + echo &#39;userland: a book about the command line for human beings&#39; &gt; .git/description I have I&lt;no idea&gt; whether this sort of thing is considered an acceptable use of git configuration, but it seems to work. @@ -74,7 +74,7 @@ user.name. =head1 EXAMPLES - git feed --project_url=https://p1k3.com/userland-book/ &gt; feed.xml + git-feed --project_url=https://p1k3.com/userland-book/ &gt; feed.xml =head1 INSTALLING @@ -90,6 +90,11 @@ or: ...depending on which one gave me less static on a given system. I don&#39;t really know what I&#39;m doing in the Perl ecosystem any more, though. +Anyway, if you put git-feed in your path, you can probably invoke it like +any other git subcommand: + + git feed &gt; feed.xml + =head1 AUTHOR Brennen Bearnes &lt;bbearnes@gmail.com&gt; @@ -221,4 +226,5 @@ sub git_config { my ($key) = @_; my $value = capturex([0,1], &#39;git&#39;, &#39;config&#39;, &#39;--get&#39;, $key); chomp($value); + return $value; } </pre>2014-10-28 05:54:09 -0600some TODO-ish commentse1b06c25923a6344e964a5d2de047d2009ac94a2<pre>commit e1b06c25923a6344e964a5d2de047d2009ac94a2 Author: Brennen Bearnes &lt;bbearnes@gmail.com&gt; Date: Tue Oct 28 05:37:21 2014 -0600 some TODO-ish comments diff --git a/git-feed b/git-feed index 056d4b2..191480d 100755 --- a/git-feed +++ b/git-feed @@ -108,9 +108,14 @@ use XML::Atom::SimpleFeed; use HTML::Entities; use Getopt::Long; use POSIX qw(strftime); + +# Turns out to be pretty much exactly what I want for system calls: use IPC::System::Simple qw(capturex); -# Figure out where top-level .git resides: +# Figure out where top-level .git/ resides. Naturally, &quot;rev-parse&quot; was the +# first command that leapt to mind when I wondered if there was a builtin way +# to ask that question. I mean, what kind of loser would have had to google +# something so _blindingly obvious_? my $repo_base = git(&#39;rev-parse&#39;, &#39;--show-toplevel&#39;); chomp($repo_base); @@ -156,7 +161,7 @@ my $feed = XML::Atom::SimpleFeed-&gt;new( id =&gt; $project_link, generator =&gt; &#39;XML::Atom::SimpleFeed&#39;, - # this could be better - just uses current time, at the moment: + # This could be better - just uses current time, at the moment: updated =&gt; iso_date(time()), ); @@ -167,6 +172,12 @@ while ($log =~ m/^([a-z0-9]+) _ (.*) _ (.*)$/gm) { my $date = $2; my $subj = $3; + # Right now, this doesn&#39;t do anything clever with links for individual + # commits. That&#39;s because I&#39;m mostly using it for things that are single + # HTML files, so it doesn&#39;t seem to matter much. It would probably be smart + # to let users specify a different base path for these so they can link + # GitHub or what-have-you. + $feed-&gt;add_entry( title =&gt; $subj, link =&gt; $project_link, @@ -183,7 +194,8 @@ sub iso_date { return strftime(&quot;%Y-%m-%dT%H:%M:%SZ&quot;, localtime($time)); } -# get the contents of a file +# Get contents of a file as a string, because a File::Slurp dependency seemed +# like overkill: sub slurp { my ($file) = @_; my $everything; @@ -196,14 +208,15 @@ sub slurp { $everything = &lt;$fh&gt;; close $fh - or die &quot;Couldn&#39;t close: $!&quot;; + or die &quot;Couldn&#39;t close $file: $!&quot;; return $everything; } -# run git with some options, return result +# Run git with some options, return result: sub git { capturex(&#39;git&#39;, @_); } +# Return a git config value - will be an empty string for unset values: sub git_config { my ($key) = @_; my $value = capturex([0,1], &#39;git&#39;, &#39;config&#39;, &#39;--get&#39;, $key); </pre>2014-10-28 05:37:21 -0600better docs7cc1ab1ffb28783e36cd881ef21525ee53c9777e<pre>commit 7cc1ab1ffb28783e36cd881ef21525ee53c9777e Author: Brennen Bearnes &lt;bbearnes@gmail.com&gt; Date: Tue Oct 28 05:10:18 2014 -0600 better docs diff --git a/README.pod b/README.pod index d18a96c..6a196e0 100644 --- a/README.pod +++ b/README.pod @@ -10,6 +10,24 @@ git-feed [ B&lt;--project_url=...&gt; ] =head1 DESCRIPTION +I keep a lot of projects in git, and I like to provide feeds for things I&#39;m +working on. This script wraps git and XML::Atom::SimpleFeed to generate a +basic Atom feed of commits. It tries to use information already available in +the environment, but needs to be given a URL for your project (and probably for +the feed itself). + +It can be configured for a given repository by doing something like the +following: + + git config feed.projecturl https://p1k3.com/userland-book/ + git config feed.url https://p1k3.com/userland-book/feed.xml + echo &#39;userland: a book about the command line for human beings&#39; &gt; .git/description + +I have I&lt;no idea&gt; whether this sort of thing is considered an acceptable use of +git configuration, but it seems to work. + +...or you can supply various options on the command line. + B&lt;--project_url=...&gt; =over @@ -56,6 +74,20 @@ user.name. git feed --project_url=https://p1k3.com/userland-book/ &gt; feed.xml +=head1 INSTALLING + +I&#39;ll wrap this in a module and add a build script. For now, install +XML::Atom::SimpleFeed first. I would probably do that either with: + + cpanp -i XML::Atom::SimpleFeed + +or: + + apt-get install libxml-atom-simplefeed-perl + +...depending on which one gave me less static on a given system. I don&#39;t +really know what I&#39;m doing in the Perl ecosystem any more, though. + =head1 AUTHOR Brennen Bearnes &lt;bbearnes@gmail.com&gt; diff --git a/git-feed b/git-feed index 2c0299e..056d4b2 100755 --- a/git-feed +++ b/git-feed @@ -12,6 +12,24 @@ git-feed [ B&lt;--project_url=...&gt; ] =head1 DESCRIPTION +I keep a lot of projects in git, and I like to provide feeds for things I&#39;m +working on. This script wraps git and XML::Atom::SimpleFeed to generate a +basic Atom feed of commits. It tries to use information already available in +the environment, but needs to be given a URL for your project (and probably for +the feed itself). + +It can be configured for a given repository by doing something like the +following: + + git config feed.projecturl https://p1k3.com/userland-book/ + git config feed.url https://p1k3.com/userland-book/feed.xml + echo &#39;userland: a book about the command line for human beings&#39; &gt; .git/description + +I have I&lt;no idea&gt; whether this sort of thing is considered an acceptable use of +git configuration, but it seems to work. + +...or you can supply various options on the command line. + B&lt;--project_url=...&gt; =over @@ -58,6 +76,20 @@ user.name. git feed --project_url=https://p1k3.com/userland-book/ &gt; feed.xml +=head1 INSTALLING + +I&#39;ll wrap this in a module and add a build script. For now, install +XML::Atom::SimpleFeed first. I would probably do that either with: + + cpanp -i XML::Atom::SimpleFeed + +or: + + apt-get install libxml-atom-simplefeed-perl + +...depending on which one gave me less static on a given system. I don&#39;t +really know what I&#39;m doing in the Perl ecosystem any more, though. + =head1 AUTHOR Brennen Bearnes &lt;bbearnes@gmail.com&gt; </pre>2014-10-28 05:10:18 -0600initial commit - import from userland-book870fa5d2310044f7de62172a861017c1256df9f8<pre>commit 870fa5d2310044f7de62172a861017c1256df9f8 Author: Brennen Bearnes &lt;bbearnes@gmail.com&gt; Date: Tue Oct 28 04:51:03 2014 -0600 initial commit - import from userland-book diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..d511905 --- /dev/null +++ b/COPYING @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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Of course, the commands you use may +be called something other than `show w&#39; and `show c&#39;; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a &quot;copyright disclaimer&quot; for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision&#39; (which makes passes at compilers) written by James Hacker. + + &lt;signature of Ty Coon&gt;, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/README.pod b/README.pod new file mode 100644 index 0000000..d18a96c --- /dev/null +++ b/README.pod @@ -0,0 +1,67 @@ +=pod + +=head1 NAME + +git-feed - generate an Atom feed of git commits in the current repository + +=head1 SYNOPSIS + +git-feed [ B&lt;--project_url=...&gt; ] + +=head1 DESCRIPTION + +B&lt;--project_url=...&gt; + +=over + +Set a URL for the project. + +=back + +B&lt;--feed_url=...&gt; + +=over + +Set an explicit URL for the feed itself. + +=back + +B&lt;--title=...&gt; + +=over + +Set an explicit title for the feed. Will otherwise be read from +.git/description, if available. + +=back + +B&lt;--entries=&gt;I&lt;n&gt; + +=over + +Explicitly request I&lt;n&gt; entries. Defaults to 10. + +=back + +B&lt;--author=...&gt; + +=over + +Explicitly set an author string. Defaults to git config&#39;s current idea of +user.name. + +=back + +=head1 EXAMPLES + + git feed --project_url=https://p1k3.com/userland-book/ &gt; feed.xml + +=head1 AUTHOR + +Brennen Bearnes &lt;bbearnes@gmail.com&gt; + +=head1 LICENSE + +This utility is free software, licensed under the terms of the GPL, v2. +See COPYING for a complete copy of the license. + diff --git a/git-feed b/git-feed new file mode 100755 index 0000000..2c0299e --- /dev/null +++ b/git-feed @@ -0,0 +1,179 @@ +#!/usr/bin/env perl + +=pod + +=head1 NAME + +git-feed - generate an Atom feed of git commits in the current repository + +=head1 SYNOPSIS + +git-feed [ B&lt;--project_url=...&gt; ] + +=head1 DESCRIPTION + +B&lt;--project_url=...&gt; + +=over + +Set a URL for the project. + +=back + +B&lt;--feed_url=...&gt; + +=over + +Set an explicit URL for the feed itself. + +=back + +B&lt;--title=...&gt; + +=over + +Set an explicit title for the feed. Will otherwise be read from +.git/description, if available. + +=back + +B&lt;--entries=&gt;I&lt;n&gt; + +=over + +Explicitly request I&lt;n&gt; entries. Defaults to 10. + +=back + +B&lt;--author=...&gt; + +=over + +Explicitly set an author string. Defaults to git config&#39;s current idea of +user.name. + +=back + +=head1 EXAMPLES + + git feed --project_url=https://p1k3.com/userland-book/ &gt; feed.xml + +=head1 AUTHOR + +Brennen Bearnes &lt;bbearnes@gmail.com&gt; + +=head1 LICENSE + +This utility is free software, licensed under the terms of the GPL, v2. +See COPYING for a complete copy of the license. + +=cut + +use warnings; +use strict; +use 5.10.0; +use XML::Atom::SimpleFeed; +use HTML::Entities; +use Getopt::Long; +use POSIX qw(strftime); +use IPC::System::Simple qw(capturex); + +# Figure out where top-level .git resides: +my $repo_base = git(&#39;rev-parse&#39;, &#39;--show-toplevel&#39;); +chomp($repo_base); + +my $title = &#39;git log&#39;; +$title = slurp(&quot;$repo_base/.git/description&quot;) + if (-f &quot;$repo_base/.git/description&quot;); + +my $author = git_config(&#39;user.name&#39;); +chomp($author); + +my $feed_link = git_config(&#39;feed.link&#39;); +my $project_link = git_config(&#39;feed.projectlink&#39;); +my $entries = 10; + +GetOptions( + &quot;author:s&quot; =&gt; \$author, + &quot;entries:i&quot; =&gt; \$entries, + &quot;feed_link:s&quot; =&gt; \$feed_link, + &quot;project_link:s&quot; =&gt; \$project_link, + &quot;title:s&quot; =&gt; \$title, +); + +# Where does this project live on the web? +unless ($project_link) { + say &quot;Project link required - use one of:&quot;; + say &quot;\tgit feed --project_link=https://yourlinkhere/&quot;; + say &quot;\tgit config feed.projectlink https://yourlinkhere/&quot;; + exit(1); +} + +# No feed link set? Make something up. +unless ($feed_link) { + $feed_link = $project_link . &#39;feed.xml&#39;; +} + +my $log = capturex(&#39;git&#39;, &#39;log&#39;, &quot;-$entries&quot;, qq{--pretty=format:%H _ %ai _ %s}); + +my $feed = XML::Atom::SimpleFeed-&gt;new( + title =&gt; $title, + link =&gt; $project_link, + link =&gt; { rel =&gt; &#39;self&#39;, href =&gt; $feed_link, }, + author =&gt; $author, + id =&gt; $project_link, + generator =&gt; &#39;XML::Atom::SimpleFeed&#39;, + + # this could be better - just uses current time, at the moment: + updated =&gt; iso_date(time()), +); + +while ($log =~ m/^([a-z0-9]+) _ (.*) _ (.*)$/gm) { + my $hash = $1; + my $full_commit = git(&#39;show&#39;, $hash); + my $formatted_commit = &#39;&lt;pre&gt;&#39; . encode_entities($full_commit) . &#39;&lt;/pre&gt;&#39;; + my $date = $2; + my $subj = $3; + + $feed-&gt;add_entry( + title =&gt; $subj, + link =&gt; $project_link, + id =&gt; $hash, + content =&gt; $formatted_commit, + updated =&gt; $date, + ); +} + +print $feed-&gt;as_string; + +sub iso_date { + my ($time) = @_; + return strftime(&quot;%Y-%m-%dT%H:%M:%SZ&quot;, localtime($time)); +} + +# get the contents of a file +sub slurp { + my ($file) = @_; + my $everything; + + open my $fh, &#39;&lt;&#39;, $file + or die &quot;Couldn&#39;t open $file: $!\n&quot;; + + # line separator: + local $/ = undef; + $everything = &lt;$fh&gt;; + + close $fh + or die &quot;Couldn&#39;t close: $!&quot;; + + return $everything; +} + +# run git with some options, return result +sub git { capturex(&#39;git&#39;, @_); } + +sub git_config { + my ($key) = @_; + my $value = capturex([0,1], &#39;git&#39;, &#39;config&#39;, &#39;--get&#39;, $key); + chomp($value); +} </pre>2014-10-28 04:51:03 -0600