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| * Redesign the caching layerLars Hjemli2008-04-28-129/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The original caching layer in cgit has no upper bound on the number of concurrent cache entries, so when cgit is traversed by a spider (like the googlebot), the cache might end up filling your disk. Also, if any error occurs in the cache layer, no content is returned to the client. This patch redesigns the caching layer to avoid these flaws by * giving the cache a bound number of slots * disabling the cache for the current request when errors occur The cache size limit is implemented by hashing the querystring (the cache lookup key) and generating a cache filename based on this hash modulo the cache size. In order to detect hash collisions, the full lookup key (i.e. the querystring) is stored in the cache file (separated from its associated content by ascii 0). The cache filename is the reversed 8-digit hexadecimal representation of hash(key) % cache_size which should make the filesystem lookup pretty fast (if directory content is indexed/sorted); reversing the representation avoids the problem where all keys have equal prefix. There is a new config option, cache-size, which sets the upper bound for the cache. Default value for this option is 0, which has the same effect as setting nocache=1 (hence nocache is now deprecated). Included in this patch is also a new testfile which verifies that the new option works as intended. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* | Prepare for 'about site' page / add 'root-readme' option to cgitrcLars Hjemli2008-04-29-0/+2
| | | | | | | | | | | | | | The new option names a file which will be included on a new page, next to the current 'index' page. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* | Make it possible for a single cmd to work both with and without a repoLars Hjemli2008-04-29-1/+10
| | | | | | | | | | | | | | | | | | | | When cgit_cmd.want_repo was 0, we used to assume that the cmd would never be invoked for a repo. But soon this will become untrue (the 'about' cmd is rapidly approching), so from now on we will initialize any requested repo even if want_repo==0 (and return an error if want_repo==1 but no repo is specified). Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* | Re-enable 'index-info' and add support for 'root-desc' in cgitrcLars Hjemli2008-04-29-0/+3
|/ | | | | | | | | | | | | The 'index-info' option got lost when the layout was converted from sidebar to old-fashioned header (noticed by Harley Laue, thanks!), and this commit re-enables it. But there is now also an alternative in the 'root-desc' option; where 'index-info' specifies a file to include, 'root-desc' specifies the text literally. This might be nicer for the one-liner descriptions which these options typically provides. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Fix search in repo index even if caching is enabledLars Hjemli2008-04-14-1/+3
| | | | | | | The repository index page needed to include the querystring in the cache filename. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Reset ctx.repo to NULL when the config parser is finishedLars Hjemli2008-04-08-0/+1
| | | | | | | | | | This global variable is used by the config parsing callback to keep track of the currently configured repository. If it is not reset to NULL when the config parser is finished, and neither `url` or `r` is specified on the querystring, cgit will wrongly consider the last configured repo as selected. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Move cgit_parse_query() from parsing.c to html.c as http_parse_querystring()Lars Hjemli2008-04-08-1/+2
| | | | | | This is a generic http-function. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Move function for configfile parsing into configfile.[ch]Lars Hjemli2008-03-28-2/+3
| | | | | | This is a generic function which wanted its own little object file. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add cache.hLars Hjemli2008-03-27-0/+1
| | | | | | | | The functions found in cache.c are only used by cgit.c, so there's no point in rebuilding all object files when the cache interface is changed. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Remove global and obsolete cgit_cmdLars Hjemli2008-03-25-1/+1
| | | | | | This variable was obsoleted by cmd.c. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Move cgit_version from shared.c to cgit.cLars Hjemli2008-03-24-0/+2
| | | | | | | With the matching Makefile change, this makes sure that only cgit.o and cgit proper needs to be rebuildt when VERSION has been modified. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Move non-generic functions from shared.c to cgit.cLars Hjemli2008-03-24-3/+153
| | | | Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add ui-shared.hLars Hjemli2008-03-24-0/+1
| | | | | | | This is finally a proper headerfile for the shared ui-functions which used to reside in cgit.h Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add command dispatcherLars Hjemli2008-03-24-80/+50
| | | | | | | This simplifies the code in cgit.c and makes it easier to extend cgit with new pages/commands. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Remove obsolete cacheitem parameter to ui-functionsLars Hjemli2008-03-24-6/+6
| | | | | | This parameter hasn't been used for a very long time... Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add struct cgit_page to cgit_contextLars Hjemli2008-03-24-17/+33
| | | | | | | | This struct is used when generating http headers, and as such is another small step towards the goal of the whole cleanup series; to invoke each page/view function with a function pointer. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Introduce html.hLars Hjemli2008-03-18-1/+0
| | | | | | | | All html-functions can be quite easily separated from the rest of cgit, so lets do it; the only issue was html_filemode which uses some git-defined macros so the function is moved into ui-shared.c::cgit_print_filemode(). Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Improve initialization of git directoryLars Hjemli2008-02-16-9/+8
| | | | | | | Using the functions offered by libgit feels like the right thing to do. Also, make sure that config errors gets properly reported. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Move cgit_repo into cgit_contextLars Hjemli2008-02-16-16/+15
| | | | | | | | This removes the global variable which is used to keep track of the currently selected repository, and adds a new variable in the cgit_context structure. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add all config variables into struct cgit_contextLars Hjemli2008-02-16-16/+17
| | | | | | | | This removes another big set of global variables, and introduces the cgit_prepare_context() function which populates a context-variable with compile-time default values. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Introduce struct cgit_contextLars Hjemli2008-02-16-36/+36
| | | | | | | | | This struct will hold all the cgit runtime information currently found in a multitude of global variables. The first cleanup removes all querystring-related variables. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Handle missing default branch and error out on invalid branch namesLars Hjemli2008-01-04-4/+58
| | | | | | | | | | When no branch is specified and the repository does not have a default branch, use the first branch. Also, print sensible errormessages when the repository does not contain any branches and when invalid branchnames are specified. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add plain patch viewLars Hjemli2007-12-11-0/+5
| | | | | | | | | | The new view mimics the output from `git format-patch`, making it possible to cherry-pick directly from cgit with something like `curl $url | git am`. Inspired by a patch to `git-apply` by Mike Hommey: http://thread.gmane.org/gmane.comp.version-control.git/67611/focus=67610 Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Teach log search about --grep, --author and --committerLars Hjemli2007-10-28-1/+1
| | | | | | | This makes the log searching more explicit, using a dropdown box to specify the commit field to match against. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add support for refs viewLars Hjemli2007-10-27-0/+3
| | | | | | | This enables the new urls $repo/refs, $repo/refs/heads and $repo/refs/tags, which can be used to print _all_ branches and/or tags. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add prefix parameter to cgit_print_diff()Lars Hjemli2007-10-01-1/+1
| | | | | | This allows a diff to be restricted to the path prefix specified in the url. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* cgit_print_snapshot_links: use url to specify snapshot nameLars Hjemli2007-07-23-2/+2
| | | | Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Merge branch 'master' of git://git.klever.net/patchwork/cgitLars Hjemli2007-07-22-2/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'master' of git://git.klever.net/patchwork/cgit: link raw blob from tree file view fix: changed view link to blob in summary. allow selective enabling of snapshots shorten snapshot names to repo basename introduce cgit_repobasename added snapshot filename to the link add plain uncompressed tar snapshort format introduced .tar.bz2 snapshots compress .tar.gz using gzip as a filter added a chk_non_negative check css: adjust vertical-align of commit info th cells add support for snapshot tarballs Conflicts: ui-summary.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
| * allow selective enabling of snapshotsMichael Krelin2007-07-21-1/+2
| | | | | | | | | | | | | | | | snapshot configuration parameter now can be a space/slash/comma/colon/semicolon/pipe-separated list of snaphot suffixes as listed in ui-snapshot.c Signed-off-by: Michael Krelin <hacker@klever.net>
| * shorten snapshot names to repo basenameMichael Krelin2007-07-21-1/+2
| | | | | | | | Signed-off-by: Michael Krelin <hacker@klever.net>
| * add support for snapshot tarballsMichael Krelin2007-07-18-1/+1
| | | | | | | | | | | | | | - reworked cgit_print_snapshot to use a list of supported archivers and pick one for the suffix supplied - moved printing of snaphot links into ui-snapshot and make it iterate through the said list
* | Add ui-tag.cLars Hjemli2007-07-22-0/+3
|/ | | | | | | This file implements the tag-command, i.e. printing of annotated tags. Signed-off-by: Lars Hjemli <hjemli@gmail.com> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* make config adjustable via env variable CGIT_CONFIGMichael Krelin2007-07-03-1/+3
| | | | | Signed-off-by: Michael Krelin <hacker@klever.net> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Merge branch 'lh/menu'Lars Hjemli2007-06-29-4/+6
|\ | | | | | | | | | | | | | | | | | | | | | | * lh/menu: Add ofs argument to cgit_log_link and use it in ui-log.c Add trim_end() and use it to remove trailing slashes from repo paths Do not include current path in the "tree" menu link Add setting to enable/disable extra links on index page Change S/L/T to summary/log/tree Change "files" to "tree" Include querystring as part of cached filename for repo summary page Add more menuitems on repo pages
| * Include querystring as part of cached filename for repo summary pageLars Hjemli2007-06-18-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | When adding support for the h parameter to the summary page (passing current branch between pages), the builtin cache returned basically random results for summary page since the cached filename didn't honour the querystring. This fixes the issue for now, but someday it might be worthwhile to generate 'canonical' filenames in the cache for all pages, i.e. something a bit more clever than just including the querystring. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* | Add version info from git-describeLars Hjemli2007-06-18-3/+0
|/ | | | | | | | A new script, gen-version.sh, is now invoked from 'make version' to generate the file VERSION. This file contains a version identifier generated by git-describe and is included in the Makefile. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add cgit_diff_link()Lars Hjemli2007-06-17-2/+1
| | | | | | | | | | | | | | | | | | This adds a new function used to generate links to the diff page and uses it everywhere such links appear (expect for single files in the diffstat displayed on the commit page: this is now a link to the tree page). The updated diff-page now expects zero, one or two revision specifiers, in parameters head, id and id2. Id defaults to head unless otherwise specified, while head (as usual) defaults to repo.defbranch. If id2 isn't specified, it defaults to the first parent of id1. The most important change is of course that now all repo pages (summary, log, tree, commit and diff) has support for passing on the current branch and revision, i.e. the road is now open for a 'static' menu with links to all of these pages. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* ui-log: honor id=sha1 on querystringLars Hjemli2007-06-17-1/+1
| | | | | | | | | This teaches ui-log to prefer id=sha1 and fallback to h=rev if no id- parameter is specified. With this change, summary, log, commit and tree views now passes current branch using h parameter and current revision using id parameter. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add cgit_commit_link() + support for id=sha1 to commit viewLars Hjemli2007-06-17-1/+1
| | | | | | | | This adds a function to generate links to the commit page and extends said page to use id from querystring as primary revision specified (fallback to h). Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* ui-tree: unify with ui-view, use path to select tree/blobLars Hjemli2007-06-16-4/+1
| | | | | | This teaches ui-tree to show both trees and blobs, thereby making ui-view superfluous. At the same time, ui-tree is extended to honour the specified path instead of requiering a tree/blob sha1.
* Add option to disable pager to cgit_print_log().Ondrej Jirman2007-05-31-1/+1
| | | | | | | This is needed for upcomming shortlog on summary page patch. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Enable url=value querystring parameterLars Hjemli2007-05-18-29/+31
| | | | | | | This makes is possible to use repo-urls like '/pub/scm/git/git.git' and even add path specifications, like '/pub/scm/git/git.git/log/documentation'. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Move cgit_get_repoinfo into shared.cLars Hjemli2007-05-18-14/+0
| | | | | | This function will be usefull when parsing url arguments. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Add support for commitdiff via h parameterLars Hjemli2007-05-16-1/+2
| | | | | | | | | The commitdiff will be generated against the first parent, and the diff page also gets the benefit of repo.defbranch. Cleaned up some bad whitespace in cgit.h while at it. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Change commit-view to expect h parameter, not idLars Hjemli2007-05-16-1/+1
| | | | | | The change makes the commit-page benefit from repo.defbranch. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Enable default value for head parameterLars Hjemli2007-05-16-0/+3
| | | | | | | | | | | | | Pages which expect head to be specified in the querystring can now be given a default value, configurable per repository (via repo.defbranch, which defaults to "master"). Currently, only the log page actually works without parameters, but the defbranch is bound to be exploited. This also removes some dead code from shared.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Don't hardcode urls when SCRIPT_NAME is availableLars Hjemli2007-05-15-0/+2
| | | | | | | Also, let the makefile define the name of the installed cgi and use that definition as a default value for cgit_script_name variable. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* Let makefile override the configfile locationLars Hjemli2007-05-14-1/+1
| | | | | | | | | | Pass CGIT_CONFIG from makefile during build, to enable stuff like make CGIT_CONFIG=/var/cgit/cgit.conf Noticed by Kristian Høgsberg <krh@bitplanet.net> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* cgit.c: fix whitespace breakageLars Hjemli2007-05-14-7/+7
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* Add log filtering by path and link to it from tree viewLars Hjemli2007-05-14-2/+3
| | | | | | | This enables path-filtering in log-view, and adds a link per entry in tree-view to show the log for each file/directory. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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