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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/bugs/conflicts.mdwn | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/doc/bugs/conflicts.mdwn b/doc/bugs/conflicts.mdwn new file mode 100644 index 000000000..a67450290 --- /dev/null +++ b/doc/bugs/conflicts.mdwn @@ -0,0 +1,30 @@ +The `conflicts` testcase has 4 failing test cases. The underlaying problem +is that there are multiple possible source files that can create the same +destination files. + +1. `foo.mdwn` is in srcdir, rendered to destdir. Then + it is removed, and `foo` is added, which will be rendered + raw to destdir. Since the `foo/` directory still exists, + it fails. +1. `foo` is added to srcdir, rendered raw to destdir. + Then it is removed from srcdir, and `foo.mdwn` is added. + The `foo` file is still present in the destdir, and mkdir + of the directory `foo/` fails. +1. `foo.mdwn` renders to `foo/index.html`. Then `foo/index.html` + is added to the srcdir, using rawhtml. It renders to the same + thing. +1. `foo/index.html` in srcdir is rendered to same thing in destdir + using rawhtml. Then `foo.mdwn` is added; renders same thing. + +Note that another case, that of page `foo.mdwn` and page `foo.txt`, that +both render to `foo/index.html`, used to cause problems, but no longer +crashes ikiwiki. It now only complains in this situation, and which +file "wins" is undefined. The fix for this relied on both pages being +named `foo`; but in the above cases, the source files have different +pagenames. + +One approach: Beef up checking in `will_render` to detect when the same +destination file is rendered by multiple pages. Or when one page renders +a file that is a parent directory of the rendered file of another page. +It could warn, rather than erroring. The last page rendered would "win"; +generating the destdir file. |