all the other options for install

_conda

@@ -11,6 +11,15 @@ __conda_envs(){
     _describe -t envs 'conda environments' envs
 
 }
+
+__conda_channels(){
+
+    local -a channels
+    channels=("default\nsystem")
+    _describe -t channels 'conda channels' channels
+
+}
+
 local -a opts
 opts=(
     '(-h --help)'{-h,--help}'[show this help message and exit]'
@@ -61,6 +70,25 @@ case $state in
     case ${line[1]} in
     (install)
         _arguments '(-n --name=)'{-n,--name=}'[install into given conda environment]:environment:__conda_envs' \
+                   '(-h --help)'{-h,--help}'[show the help message and exit]' \
+                   '--revision[revert to the specified revision]:revision' \
+                   '(-y --yes)'{-y,--yes}'[do not ask for confirmation]' \
+                   '--dry-run[only display what would have been done]' \
+                   '--file[read package versions from file]:file:_path_files' \
+                   '--unknown[use index metadata from the local package cache]' \
+                   '--no-deps[do not install dependencies]' \
+                   '(-m --mkdir)'{-m,--mkdir}'[create prefix directory if necessary]' \
+                   '--use-index-cache[use cache of channel index files]' \
+                   '--use-local[use locally built packages]' \
+                   '--offline[offline mode, don''t connect to internet]' \
+                   '--no-pin[ignore pinned file]' \
+                   '(-c --channel)'{-c,--channel}'[additional channel to search for packages]:channel:__conda_channels'\
+                   '--override-channels [do not search default or .condarc channels]' \
+                   '(-p --prefix)'{-p,--prefix}'[full path to environment prefix]:path:_path_files' \
+                   '(-q --quiet)'{-q,--quiet}'[do not display progress bar]'\
+                   '--copy[Install all packages using copies instead of hard- or soft-linking]' \
+                   '--alt-hint[Use an alternate algorithm to generate an unsatisfiable hint]' \
+                   '--json[report all output as json.]' \
         ;;
     (*)
         #_arguments -C $opts