Changes between Version 3 and Version 4 of TracLinks


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Timestamp:
2008-07-22T15:10:26Z (7 years ago)
Author:
trac
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  • TracLinks

    v3 v4  
    11= Trac Links =
     2[[TracGuideToc]]
     3
    24TracLinks are a fundamental feature of Trac, because they allow easy hyperlinking between the various entities in the system—such as tickets, reports, changesets, Wiki pages, milestones, and source files—from anywhere WikiFormatting is used.
    35
     
    57number, name or path of the item) though some frequently used kinds of items
    68also have short-hand notations.
     9
     10== Where to use TracLinks ==
     11You can use TracLinks in:
     12
     13 * Source code (Subversion) commit messages
     14 * Wiki pages
     15 * Full descriptions for tickets, reports and milestones
     16
     17and any other text fields explicitly marked as supporting WikiFormatting.
    718
    819Some examples:
     
    1021 * Ticket comments: '''!comment:ticket:1:2'''
    1122 * Reports: '''!{1}''' or '''!report:1'''
    12  * Changesets: '''!r1''', '''![1]''', '''!changeset:1''' or (restricted) '''![1/trunk]''', '''!changeset:1/trunk'''
     23 * Changesets: '''!r1''', '''![1]''', '''!changeset:1''' or (restricted) '''![1/trunk]''', '''!changeset:1/trunk''', '''![2:5/trunk]'''
    1324 * Revision log: '''!r1:3''', '''![1:3]''' or '''!log:@1:3''', '''!log:trunk@1:3'''
    1425 * Diffs (requires [milestone:0.10 0.10]): '''!diff:@1:3''', '''!diff:tags/trac-0.9.2/wiki-default//tags/trac-0.9.3/wiki-default''' or '''!diff:trunk/trac@3538//sandbox/vc-refactoring@3539'''
    1526 * Wiki pages: '''!CamelCase''' or '''!wiki:CamelCase'''
     27 * Parent page: '''![..]'''
    1628 * Milestones: '''!milestone:1.0'''
    1729 * Attachment: '''!attachment:ticket:944:attachment.1073.diff'''
     
    2335 * Ticket comments: comment:ticket:1:2
    2436 * Reports: {1} or report:1
    25  * Changesets: r1, [1], changeset:1, or (restricted) [1/trunk], changeset:1/trunk
     37 * Changesets: r1, [1], changeset:1, or (restricted) [1/trunk], changeset:1/trunk, [2:5/trunk]
    2638 * Revision log: r1:3, [1:3] or log:@1:3, log:trunk@1:3
    2739 * Diffs (requires [milestone:0.10 0.10]): diff:@20:30, diff:tags/trac-0.9.2/wiki-default//tags/trac-0.9.3/wiki-default or diff:trunk/trac@3538//sandbox/vc-refactoring/trac@3539
    2840 * Wiki pages: CamelCase or wiki:CamelCase
     41 * Parent page: '''[..]'''
    2942 * Milestones: milestone:1.0
    3043 * Attachment: attachment:ticket:944:attachment.1073.diff
     
    4760Display: [ticket:1 This is a link to ticket number one].
    4861
    49 If the title is be omitted, only the id (the part after the colon) is displayed:
     62If the title is omitted, only the id (the part after the colon) is displayed:
    5063
    5164{{{
     
    6578TracLinks are a very simple idea, but actually allow quite a complex network of information. In practice, it's very intuitive and simple to use, and we've found the "link trail" extremely helpful to better understand what's happening in a project or why a particular change was made.
    6679
    67 The following sections describe the individual link types in detail, as well as several notes advanced usage of links.
    68 
    69 == attachment: links ==
    70 
    71 The link syntax for attachments is as follows:
    72  * !attachment:the_file.txt creates a link to the attachment the_file.txt of the current object
    73  * !attachment:wiki:MyPage:the_file.txt creates a link to the attachment the_file.txt of the !MyPage wiki page
    74  * !attachment:ticket:753:the_file.txt creates a link to the attachment the_file.txt of the ticket 753
    75 
    76 == source: links ==
    77 
    78 The default behavior for a source:/some/path link is to open the directory browser
    79 if the path points to a directory and otherwise open the log view.
    80 It's also possible to link directly to a specific revision of a file like this: source:/some/file@123
    81 or like this to link to the latest revision: source:/some/file@latest.
    82 If the revision is specified, one can even link to a specific line number: source:/some/file@123#L10
    83 
    84 == search: and query: links ==
    85 
    86 See TracSearch#SearchLinks and TracQuery#UsingTracLinks
    87 
    88 == !SubWiki links ==
    89 To create a SubWiki link to a SubWiki-page just use a '/':
    90 {{{
    91  [wiki:WikiPage/SubWikiPage].
    92 }}}
    93 
    94 == InterWiki links ==
     80
     81== Advanced use of TracLinks ==
     82
     83=== Relative links ===
     84
     85To create a link to a specific anchor in a page, use '#':
     86{{{
     87 [#Relativelinks relative links]
     88}}}
     89Displays:
     90  [#Relativelinks relative links]
     91
     92Hint: when you move your mouse over the title of a section, a '¶' character will be displayed. This is a link to that specific section and you can use this to copy the `#...` part inside a relative link to an anchor.
     93
     94To create a link to a SubWiki-page just use a '/':
     95{{{
     96 WikiPage/SubWikiPage or ./SubWikiPage
     97}}}
     98
     99To link from a SubWiki page to a parent, simply use a '..':
     100{{{
     101  [..]
     102}}}
     103
     104To link from a SubWiki page to a sibling page, use a '../':
     105{{{
     106  [../Sibling see next sibling]
     107}}}
     108
     109''(Changed in 0.11)'' Note that in Trac 0.10, using e.g. `[../newticket]`  may have worked for linking to the /newticket top-level URL, but now in 0.11 it will stay in the wiki namespace and link to a sibling page. See [#Server-relativelinks] for the new syntax.
     110
     111=== InterWiki links ===
    95112
    96113Other prefixes can be defined freely and made to point to resources in other Web applications. The definition of those prefixes as well as the URLs of the corresponding Web applications is defined in a special Wiki page, the InterMapTxt page. Note that while this could be used to create links to other Trac environments, there's a more specialized way to register other Trac environments which offers greater flexibility.
    97114
    98 == InterTrac links ==
    99 
    100 Any of the above form of Trac links could be written in one Trac environment and actually refer to resources present in another Trac environment, provided the Trac link is prefixed by the name of that other Trac environment followed by a colon. That other Trac environment must be registered. See InterTrac for details.
    101 
    102 
    103 == Server-relative links ==
    104 
    105 It is often useful to be able to link to objects on your server that have no built-in
    106 Trac linking mechanism, such as static resources, a `/register` page, etc. This
    107 can be achieved by simply using either an absolute path from the server root,
    108 or a relative link from the URL of the current page:
    109 
    110 {{{
    111 [../newticket newticket]
     115=== InterTrac links ===
     116
     117This can be seen as a kind of InterWiki link specialized for targeting other Trac projects.
     118
     119Any type of Trac links could be written in one Trac environment and actually refer to resources present in another Trac environment, provided the Trac link is prefixed by the name of that other Trac environment followed by a colon. That other Trac environment must be registered, under its name or an alias. See InterTrac for details.
     120
     121A distinctive advantage of InterTrac links over InterWiki links is that the shorthand form of Trac links usually have a way to understand the InterTrac prefixes. For example, links to Trac tickets can be written #T234 (if T was set as an alias for Trac), links to Trac changesets can be written [trac 1508].
     122
     123=== Server-relative links ===
     124
     125It is often useful to be able to link to objects in your project that
     126have no built-in Trac linking mechanism, such as static resources, `newticket`,
     127a shared `/register` page on the server, etc.
     128
     129To link to resources inside the project, use either an absolute path from the project root,
     130or a relative link from the URL of the current page (''Changed in 0.11''):
     131
     132{{{
     133[/newticket Create a new ticket]
    112134[/ home]
    113135}}}
    114136
    115 Display: [../newticket newticket] [/ home]
    116 
    117 == Quoting space in TracLinks ==
     137Display: [../newticket newticket][[comment(FIXME that's the 0.10 syntax)]]  [/ home]
     138
     139To link to another location on the server (outside the project), use the '//location' link syntax (''Changed in 0.11''):
     140
     141{{{
     142[//register Register Here]
     143}}}
     144
     145Display: [//register Register Here]
     146
     147=== Quoting space in TracLinks ===
    118148
    119149Immediately after a TracLinks prefix, targets containing space characters should
     
    125155 * !attachment:"ticket:123:the file.txt"
    126156
    127 == Where to use TracLinks ==
    128 You can use TracLinks in:
    129 
    130  * Source code (Subversion) commit messages
    131  * Wiki pages
    132  * Full descriptions for tickets, reports and milestones
    133 
    134 and any other text fields explicitly marked as supporting WikiFormatting.
    135 
    136 == Escaping Links ==
     157=== Escaping Links ===
    137158
    138159To prevent parsing of a !TracLink, you can escape it by preceding it with a '!' (exclamation mark).
     
    146167 ![42] is not a link either.
    147168
     169
     170=== Parameterized Trac links ===
     171
     172The Trac links target Trac resources which have generally more than one way to be rendered, according to some extra parameters. For example, a Wiki page can accept a `version` or a `format` parameter, a report can make use of dynamic variables, etc.
     173
     174Any Trac links can support an arbitrary set of parameters, written in the same way as they would be for the corresponding URL. Some examples:
     175 - `wiki:WikiStart?format=txt`
     176 - `ticket:1?version=1`
     177 - `[/newticket?component=module1 create a ticket for module1]`
     178
     179
     180== TracLinks Reference ==
     181The following sections describe the individual link types in detail, as well as several notes advanced usage of links.
     182
     183=== attachment: links ===
     184
     185The link syntax for attachments is as follows:
     186 * !attachment:the_file.txt creates a link to the attachment the_file.txt of the current object
     187 * !attachment:wiki:MyPage:the_file.txt creates a link to the attachment the_file.txt of the !MyPage wiki page
     188 * !attachment:ticket:753:the_file.txt creates a link to the attachment the_file.txt of the ticket 753
     189
     190=== query: links ===
     191
     192See TracQuery#UsingTracLinks and [#ticket:links].
     193
     194=== search: links ===
     195
     196See TracSearch#SearchLinks
     197
     198=== ticket: links ===
     199
     200Besides the obvious `ticket:id` form, it is also possible to specify a list of tickets or even a range of tickets instead of the `id`. This generates a link to a custom query view containing this fixed set of tickets.
     201
     202Example:
     203 - `ticket:5000-6000`
     204 - `ticket:1,150`
     205
     206''(since Trac 0.11)''
     207
     208=== timeline: links ===
     209
     210Links to the timeline can be created by specifying a date in the ISO:8601 format. The date can be optionally followed by a time specification. The time is interpreted as being UTC time, but alternatively you can specify your local time, followed by your timezone if you don't want to compute the UTC time.
     211
     212Examples:
     213 - `timeline:2008-01-29`
     214 - `timeline:2008-01-29T15:48`
     215 - `timeline:2008-01-29T16:48Z+01`
     216
     217''(since Trac 0.11)''
     218
     219=== wiki: links ===
     220
     221See WikiPageNames and [#QuotingspaceinTracLinks quoting space in TracLinks] above.
     222
     223=== Version Control related links ===
     224==== source: links ====
     225
     226The default behavior for a source:/some/path link is to open the directory browser
     227if the path points to a directory and otherwise open the log view.
     228
     229It's also possible to link directly to a specific revision of a file like this:
     230 - `source:/some/file@123` - link to the file's revision 123
     231 - `source:/some/file@head` - link explicitly to the latest revision of the file
     232
     233If the revision is specified, one can even link to a specific line number:
     234 - `source:/some/file@123#L10`
     235 - `source:/tag/0.10@head#L10`
     236
     237Finally, one can also highlight an arbitrary set of lines:
     238 - `source:/some/file@123:10-20,100,103#L99` - highlight lines 10 to 20, and lines 100 and 103.
     239''(since 0.11)''
     240
     241==== export: links ====
     242
     243To force the download of a file in the repository, as opposed to displaying it in the browser, use the `export` link.  Several forms are available:
     244 * `export:/some/file` - get the HEAD revision of the specified file
     245 * `export:123:/some/file` - get revision 123 of the specified file
     246 * `export:/some/file@123` - get revision 123 of the specified file
     247
     248This can be very useful for displaying HTML documentation with correct stylesheets and images, in case that has been checked in the repository.
     249
     250If the path is to a directory in the repository instead of a specific file, the source browser will be used to display the directory (identical to the result of `source:/some/dir`.
     251
     252==== log: links ====
     253
     254The `log:` links are used to display revision ranges. In its simplest form, it can link to the latest revisions from the specified path, but it can also support displaying an arbitrary set of revisions.
     255 - `log:/` - the latest revisions starting at the root of the repository
     256 - `log:/trunk/tools` - the latest revisions in `trunk/tools`
     257 - `log:/trunk/tools@10000` - the revisions in `trunk/tools` starting from  revision 10000
     258 - `log:@20788,20791:20795` - list revision 20788 and the 20791 to 20795 revision range
     259 - `log:/trunk/tools@20788,20791:20795` - list revision 20788 and the revisions from the 20791 to 20795 range which affect the given path
     260
     261There are short forms for revision ranges as well:
     262 - `[20788,20791:20795]`
     263 - `[20788,20791:20795/trunk/tools]`
     264 - `r20791:20795` (but not `r20788,20791:20795` nor `r20791:20795/trunk`)
     265
     266Finally, note that in all of the above, a revision range can be written indifferently `x:y` or `x-y`.
     267
    148268----
    149269See also: WikiFormatting, TracWiki, WikiPageNames, InterTrac, InterWiki