b08b437acc
The ANSI escape codes \e[0A (cursor up 0 lines) and \e[0B (cursor down 0 lines) are not well defined and are treated differently by different terminals. In particular xterm treats 0 as a missing parameter and therefore defaults to 1, whereas rxvt-unicode treats these escapes as a request to move 0 lines. However the use of these codes is unnecessary and were really just hiding the fact that we were not correctly computing diff when adding a new line. Having added the new line to the ids map and output the corresponding \n we need to then calculate a correct diff of 1 rather than leaving it as the default 0 (which xterm then interprets as 1). The fix is to pull the diff calculation out of the else case and to always do it. With this in place we can then avoid outputting escapes for moving 0 lines. Actually diff should never be 0 to start with any more, but check to be safe. This fixes corruption of `docker pull` seen with rxvt-unicode (and likely other terminals in that family) seen in #28111. Tested with rxvt-unicode ($TERM=rxvt-unicode), xterm ($TERM=xterm), mlterm ($TERM=mlterm) and aterm ($TERM=kterm). The test cases have been updated to match the new behaviour. Signed-off-by: Ian Campbell <ian.campbell@docker.com> |
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| .. | ||
| aaparser | ||
| archive | ||
| authorization | ||
| broadcaster | ||
| chrootarchive | ||
| devicemapper | ||
| directory | ||
| discovery | ||
| filenotify | ||
| fileutils | ||
| gitutils | ||
| graphdb | ||
| homedir | ||
| httputils | ||
| idtools | ||
| integration | ||
| ioutils | ||
| jsonlog | ||
| jsonmessage | ||
| listeners | ||
| locker | ||
| longpath | ||
| loopback | ||
| mount | ||
| namesgenerator | ||
| parsers | ||
| pidfile | ||
| platform | ||
| plugingetter | ||
| plugins | ||
| pools | ||
| progress | ||
| promise | ||
| pubsub | ||
| random | ||
| reexec | ||
| registrar | ||
| signal | ||
| stdcopy | ||
| streamformatter | ||
| stringid | ||
| stringutils | ||
| symlink | ||
| sysinfo | ||
| system | ||
| tailfile | ||
| tarsum | ||
| term | ||
| testutil | ||
| tlsconfig | ||
| truncindex | ||
| urlutil | ||
| useragent | ||
| README.md | ||
pkg/ is a collection of utility packages used by the Docker project without being specific to its internals.
Utility packages are kept separate from the docker core codebase to keep it as small and concise as possible. If some utilities grow larger and their APIs stabilize, they may be moved to their own repository under the Docker organization, to facilitate re-use by other projects. However that is not the priority.
The directory pkg is named after the same directory in the camlistore project. Since Brad is a core
Go maintainer, we thought it made sense to copy his methods for organizing Go code :) Thanks Brad!
Because utility packages are small and neatly separated from the rest of the codebase, they are a good place to start for aspiring maintainers and contributors. Get in touch if you want to help maintain them!