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                       cgit - cgi for git


This is an attempt to create a fast web interface for the git scm, using a
builtin cache to decrease server io-pressure.


Installation

Building cgit involves building a proper version of git. How to do this
depends on how you obtained the cgit sources:

a) If you're working in a cloned cgit repository, you first need to
initialize and update the git submodule:

  $ git submodule init     # register the git submodule in .git/config
  $ $EDITOR .git/config    # if you want to specify a different url for git
  $ git submodule update   # clone/fetch and checkout correct git version

b) If you're building from a cgit tarball, you can download a proper git
version like this:

  $ make get-git


When either a) or b) has been performed, you can build and install cgit like
this:

  $ make
  $ sudo make install

This will install cgit.cgi and cgit.css into "/var/www/htdocs/cgit". You can
configure this location (and a few other things) by providing a "cgit.conf"
file (see the Makefile for details).


Dependencies:
  -git 1.7.4
  -zip lib
  -crypto lib
  -openssl lib


Apache configuration

A new Directory-section must probably be added for cgit, possibly something
like this:

  <Directory "/var/www/htdocs/cgit/">
      AllowOverride None
      Options +ExecCGI
      Order allow,deny
      Allow from all
  </Directory>


Runtime configuration

The file /etc/cgitrc is read by cgit before handling a request. In addition
to runtime parameters, this file may also contain a list of repositories
displayed by cgit (see cgitrc.5.txt for further details).


The cache

When cgit is invoked it looks for a cachefile matching the request and
returns it to the client. If no such cachefile exist (or if it has expired),
the content for the request is written into the proper cachefile before the
file is returned.

If the cachefile has expired but cgit is unable to obtain a lock for it, the
stale cachefile is returned to the client. This is done to favour page
throughput over page freshness.

The generated content contains the complete response to the client, including
the http-headers "Modified" and "Expires".


Online presence

* The cgit homepage is hosted by cgit at http://git.zx2c4.com/cgit/about

* Patches, bugreports, discussions and support should go to the cgit
  mailing list: cgit@hjemli.net
rc versionsChristian Hesse For testing versions the version string differs for git tag (v2.22.0-rc3) and tarball file name (2.22.0.rc3). Let's fix validation for testing versions. Signed-off-by: Christian Hesse <mail@eworm.de> 2019-06-05git: update to v2.21.0Christian Hesse Update to git version v2.21.0. Required changes follow upstream commits: * 6a7895fd8a3bd409f2b71ffc355d5142172cc2a0 (commit: prepare free_commit_buffer and release_commit_memory for any repo) * e092073d643b17c82d72cf692fbfaea9c9796f11 (tree.c: make read_tree*() take 'struct repository *') Signed-off-by: Christian Hesse <mail@eworm.de> Reviewed-by: John Keeping <john@keeping.me.uk> 2019-06-05ui-ssdiff: ban strncat()Christian Hesse Git version v2.21.0 marks strncat() as banned (commit ace5707a803eda0f1dde3d776dc3729d3bc7759a), so replace it. Signed-off-by: Christian Hesse <mail@eworm.de> 2019-06-05global: make 'char *path' const where possibleChristian Hesse Signed-off-by: Christian Hesse <mail@eworm.de> 2019-05-20ui-shared: restrict to 15 levelsJason A. Donenfeld Perhaps a more ideal version of this would be to not print breadcrumbs at all for paths that don't exist in the given repo at the given oid. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Reported-by: Fydor Wire Snark <wsnark@tuta.io> 2019-02-23ui-diff,ui-tag: don't use htmlf with non-formatted stringsChris Mayo Signed-off-by: Chris Mayo <aklhfex@gmail.com> 2019-02-23ui-ssdiff: resolve HTML5 validation errorsChris Mayo - Remove ids from anchor elements. They were unusable because they were duplicated between files and versions of files. - Always close span, with html(). - Fix missing / on closing tr element in cgit_ssdiff_header_end(). Signed-off-by: Chris Mayo <aklhfex@gmail.com> 2019-01-03filters: migrate from luacrypto to luaosslJason A. Donenfeld luaossl has no upstream anymore and doesn't support OpenSSL 1.1, whereas luaossl is quite active. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> 2019-01-02ui-shared: fix broken sizeof in title setting and rewriteJason A. Donenfeld The old algorithm was totally incorrect. While we're at it, use « instead of \, since it makes more sense. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> 2018-12-09git: update to v2.20.0Christian Hesse Update to git version v2.20.0. Required changes follow upstream commits: * 00436bf1b1c2a8fe6cf5d2c2457d419d683042f4 (archive: initialize archivers earlier) * 611e42a5980a3a9f8bb3b1b49c1abde63c7a191e (xdiff: provide a separate emit callback for hunks) Signed-off-by: Christian Hesse <mail@eworm.de> 2018-11-25ui-blame: set repo for sbJason A. Donenfeld Otherwise recent git complains and crashes with: "BUG: blame.c:1787: repo is NULL". Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> 2018-11-25auth-filter: pass url with query string attachedJason A. Donenfeld Otherwise redirections come out wrong. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> 2018-11-21git: use xz compressed archive for downloadChristian Hesse Upstream will stop providing gz compressed source tarballs [0], so stop using them. [0] https://lists.zx2c4.com/pipermail/cgit/2018-November/004254.html Signed-off-by: Christian Hesse <mail@eworm.de> 2018-10-12git: update to v2.19.1Christian Hesse Update to git version v2.19.1. Required changes follow upstream commits: * commit: add repository argument to get_cached_commit_buffer (3ce85f7e5a41116145179f0fae2ce6d86558d099) * commit: add repository argument to lookup_commit_reference (2122f6754c93be8f02bfb5704ed96c88fc9837a8) * object: add repository argument to parse_object (109cd76dd3467bd05f8d2145b857006649741d5c) * tag: add repository argument to deref_tag (a74093da5ed601a09fa158e5ba6f6f14c1142a3e) * tag: add repository argument to lookup_tag (ce71efb713f97f476a2d2ab541a0c73f684a5db3) * tree: add repository argument to lookup_tree (f86bcc7b2ce6cad68ba1a48a528e380c6126705e) * archive.c: avoid access to the_index (b612ee202a48f129f81f8f6a5af6cf71d1a9caef) * for_each_*_object: move declarations to object-store.h (0889aae1cd18c1804ba01c1a4229e516dfb9fe9b) Signed-off-by: Christian Hesse <mail@eworm.de> 2018-09-11ui-ssdiff: ban strcat()Christian Hesse Git upstream bans strcat() with commit: banned.h: mark strcat() as banned 1b11b64b815db62f93a04242e4aed5687a448748 Signed-off-by: Christian Hesse <mail@eworm.de> 2018-09-11ui-ssdiff: ban strncpy()Christian Hesse Git upstream bans strncpy() with commit: banned.h: mark strncpy() as banned e488b7aba743d23b830d239dcc33d9ca0745a9ad Signed-off-by: Christian Hesse <mail@eworm.de> 2018-09-11ui-shared: ban strcat()Christian Hesse Git upstream bans strcat() with commit: banned.h: mark strcat() as banned 1b11b64b815db62f93a04242e4aed5687a448748 To avoid compiler warnings from gcc 8.1.x we get the hard way. Signed-off-by: Christian Hesse <mail@eworm.de> 2018-09-11ui-patch: ban sprintf()Christian Hesse Git upstream bans sprintf() with commit: banned.h: mark sprintf() as banned cc8fdaee1eeaf05d8dd55ff11f111b815f673c58 Signed-off-by: Christian Hesse <mail@eworm.de> 2018-09-11ui-log: ban strncpy()Christian Hesse Git upstream bans strncpy() with commit: banned.h: mark strncpy() as banned e488b7aba743d23b830d239dcc33d9ca0745a9ad Signed-off-by: Christian Hesse <mail@eworm.de> 2018-09-11ui-log: ban strcpy()Christian Hesse Git upstream bans strcpy() with commit: automatically ban strcpy() c8af66ab8ad7cd78557f0f9f5ef6a52fd46ee6dd Signed-off-by: Christian Hesse <mail@eworm.de> 2018-09-11parsing: ban sprintf()Christian Hesse Git upstream bans sprintf() with commit: banned.h: mark sprintf() as banned cc8fdaee1eeaf05d8dd55ff11f111b815f673c58 Signed-off-by: Christian Hesse <mail@eworm.de> 2018-09-11parsing: ban strncpy()Christian Hesse Git upstream bans strncpy() with commit: banned.h: mark strncpy() as banned e488b7aba743d23b830d239dcc33d9ca0745a9ad Signed-off-by: Christian Hesse <mail@eworm.de> 2018-08-28filters: generate anchor links from markdownChristian Hesse This makes the markdown filter generate anchor links for headings. Signed-off-by: Christian Hesse <mail@eworm.de> Tested-by: jean-christophe manciot <actionmystique@gmail.com> 2018-08-03Bump version.Jason A. Donenfeld Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> 2018-08-03clone: fix directory traversalJason A. Donenfeld This was introduced in the initial version of this code, way back when in 2008. $ curl http://127.0.0.1/cgit/repo/objects/?path=../../../../../../../../../etc/passwd root:x:0:0:root:/root:/bin/sh ... Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Reported-by: Jann Horn <jannh@google.com> 2018-08-03config: record repo.snapshot-prefix in the per-repo configKonstantin Ryabitsev