Add docs for shell completion files.

Add small howtos for installing shell completion files to the README and
the man page.

They are still incomplete. We're missing Zsh and PowerShell.

Fixes #262

2 files changed, 21 insertions, 0 deletions

diff --git a/doc/rg.1 b/doc/rg.1
index 6ce5bd65..7b87ea40 100644
--- a/doc/rg.1
+++ b/doc/rg.1
@@ -409,3 +409,14 @@ ripgrep.
 Note that this must be passed to every invocation of rg.
 .RS
 .RE
+.SH SHELL COMPLETION
+.PP
+Shell completion files are included in the release tarball for Bash,
+Fish, Zsh and PowerShell.
+.PP
+For \f[B]bash\f[], move \f[C]rg.bash\-completion\f[] to
+\f[C]$XDG_CONFIG_HOME/bash_completion\f[] or
+\f[C]/etc/bash_completion.d/\f[].
+.PP
+For \f[B]fish\f[], move \f[C]rg.fish\f[] to
+\f[C]$HOME/.config/fish/completions\f[].
diff --git a/doc/rg.1.md b/doc/rg.1.md
index 748e5aa5..0bd08504 100644
--- a/doc/rg.1.md
+++ b/doc/rg.1.md
@@ -273,3 +273,13 @@ Project home page: https://github.com/BurntSushi/ripgrep
 : Clear the file type globs previously defined for TYPE. This only clears
   the default type definitions that are found inside of ripgrep. Note
   that this must be passed to every invocation of rg.
+
+# SHELL COMPLETION
+
+Shell completion files are included in the release tarball for Bash, Fish, Zsh
+and PowerShell.
+
+For **bash**, move `rg.bash-completion` to `$XDG_CONFIG_HOME/bash_completion`
+or `/etc/bash_completion.d/`.
+
+For **fish**, move `rg.fish` to `$HOME/.config/fish/completions`.