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| -rw-r--r-- | documentation/ref-manual/ref-tasks.xml | 55 |
1 files changed, 46 insertions, 9 deletions
diff --git a/documentation/ref-manual/ref-tasks.xml b/documentation/ref-manual/ref-tasks.xml index 15043c4ea7..34d0bdb7e7 100644 --- a/documentation/ref-manual/ref-tasks.xml +++ b/documentation/ref-manual/ref-tasks.xml | |||
| @@ -130,18 +130,55 @@ | |||
| 130 | <title><filename>do_deploy</filename></title> | 130 | <title><filename>do_deploy</filename></title> |
| 131 | 131 | ||
| 132 | <para> | 132 | <para> |
| 133 | Writes output files that are to be deployed to the deploy | 133 | Writes output files that are to be deployed to |
| 134 | directory, which is defined by the | 134 | <filename>${</filename><link linkend='var-DEPLOY_DIR_IMAGE'><filename>DEPLOY_DIR_IMAGE</filename></link><filename>}</filename>. |
| 135 | <link linkend='var-DEPLOYDIR'><filename>DEPLOYDIR</filename></link> | 135 | The task runs with the current working directory set to |
| 136 | variable. | 136 | <filename>${</filename><link linkend='var-B'><filename>B</filename></link><filename>}</filename>. |
| 137 | </para> | 137 | </para> |
| 138 | 138 | ||
| 139 | <para> | 139 | <para> |
| 140 | The <filename>do_deploy</filename> task is a | 140 | Recipes implementing this task should inherit the |
| 141 | shared state (sstate) task, which means that the task can | 141 | <link linkend='ref-classes-deploy'><filename>deploy</filename></link> |
| 142 | be accelerated through sstate use. | 142 | class and should write the output to |
| 143 | Realize also that if the task is re-executed, any previous output | 143 | <filename>${</filename><link linkend='var-DEPLOYDIR'><filename>DEPLOYDIR</filename></link><filename>}</filename>, |
| 144 | is removed (i.e. "cleaned"). | 144 | which is not to be confused with |
| 145 | <filename>${</filename><link linkend='var-DEPLOY_DIR'><filename>DEPLOY_DIR</filename></link><filename>}</filename>. | ||
| 146 | The <filename>deploy</filename> class sets up | ||
| 147 | <filename>do_deploy</filename> as a shared state (sstate) task that | ||
| 148 | can be accelerated through sstate use. | ||
| 149 | The sstate mechanism takes care of copying the output from | ||
| 150 | <filename>${DEPLOYDIR}</filename> to | ||
| 151 | <filename>${DEPLOY_DIR_IMAGE}</filename>. | ||
| 152 | <note> | ||
| 153 | <title>Caution</title> | ||
| 154 | Do not write the output directly to | ||
| 155 | <filename>${DEPLOY_DIR_IMAGE}</filename>, as this causes | ||
| 156 | the sstate mechanism to malfunction. | ||
| 157 | </note> | ||
| 158 | </para> | ||
| 159 | |||
| 160 | <para> | ||
| 161 | The <filename>do_deploy</filename> task is not added as a task by | ||
| 162 | default and needs to be added manually. | ||
| 163 | You can add this task using the following: | ||
| 164 | <literallayout class='monospaced'> | ||
| 165 | addtask deploy after do_compile | ||
| 166 | </literallayout> | ||
| 167 | If the <filename>do_deploy</filename> should run some time after | ||
| 168 | the <filename>do_compile</filename>, the | ||
| 169 | <filename>base.bbclass</filename> has the following to ensure that | ||
| 170 | all <filename>do_deploy</filename> tasks run by default. | ||
| 171 | See the | ||
| 172 | "<ulink url='&YOCTO_DOCS_BB_URL;#dependencies'>Dependencies</ulink>" | ||
| 173 | section in the BitBake User Manual for more information. | ||
| 174 | <literallayout class='monospaced'> | ||
| 175 | do_build[recrdeptask] += "do_deploy" | ||
| 176 | </literallayout> | ||
| 177 | </para> | ||
| 178 | |||
| 179 | <para> | ||
| 180 | If the <filename>do_deploy</filename> task re-executes, any | ||
| 181 | previous output is removed (i.e. "cleaned"). | ||
| 145 | </para> | 182 | </para> |
| 146 | </section> | 183 | </section> |
| 147 | 184 | ||
