mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-11-27 03:13:37 +08:00
231 lines
8.2 KiB
Fish
231 lines
8.2 KiB
Fish
#
|
|
# Wrap the builtin history command to provide additional functionality.
|
|
#
|
|
|
|
# This function is meant to mimic the `set_hist_cmd` function in *src/builtin.cpp*.
|
|
# In particular the error message should be identical in both locations.
|
|
function __fish_set_hist_cmd --no-scope-shadowing
|
|
if set -q hist_cmd[1]
|
|
set -l msg (printf (_ "you cannot do both '%ls' and '%ls' in the same invocation") \
|
|
$hist_cmd $argv[1])
|
|
printf (_ "%ls: Invalid combination of options,\n%ls\n") $cmd $msg >&2
|
|
return 1
|
|
end
|
|
set hist_cmd $argv[1]
|
|
return 0
|
|
end
|
|
|
|
function __fish_unexpected_hist_args --no-scope-shadowing
|
|
if test -n "$search_mode"
|
|
or test -n "$show_time"
|
|
printf (_ "%ls: you cannot use any options with the %ls command\n") $cmd $hist_cmd >&2
|
|
return 0
|
|
end
|
|
if set -q argv[1]
|
|
printf (_ "%ls: %ls expected %d args, got %d\n") $cmd $hist_cmd 0 (count $argv) >&2
|
|
return 0
|
|
end
|
|
return 1
|
|
end
|
|
|
|
function history --description "display or manipulate interactive command history"
|
|
set -l cmd $_
|
|
set -l cmd history
|
|
set -l hist_cmd
|
|
set -l search_mode
|
|
set -l show_time
|
|
set -l max_count
|
|
set -l case_sensitive
|
|
set -l null
|
|
|
|
# Check for a recognized subcommand as the first argument.
|
|
if set -q argv[1]
|
|
and not string match -q -- '-*' $argv[1]
|
|
switch $argv[1]
|
|
case search delete merge save clear
|
|
set hist_cmd $argv[1]
|
|
set -e argv[1]
|
|
end
|
|
end
|
|
|
|
# The "set cmd $cmd xyz" lines are to make it easy to detect if the user specifies more than one
|
|
# subcommand.
|
|
#
|
|
# TODO: Remove the long options that correspond to subcommands (e.g., '--delete') on or after
|
|
# 2017-10 (which will be a full year after these flags have been deprecated).
|
|
while set -q argv[1]
|
|
switch $argv[1]
|
|
case --delete
|
|
__fish_set_hist_cmd delete
|
|
or return
|
|
case --save
|
|
__fish_set_hist_cmd save
|
|
or return
|
|
case --clear
|
|
__fish_set_hist_cmd clear
|
|
or return
|
|
case --search
|
|
__fish_set_hist_cmd search
|
|
or return
|
|
case --merge
|
|
__fish_set_hist_cmd merge
|
|
or return
|
|
case -C --case_sensitive
|
|
set case_sensitive --case-sensitive
|
|
case -h --help
|
|
builtin history --help
|
|
return
|
|
case -t --show-time '--show-time=*' --with-time '--with-time=*'
|
|
set show_time $argv[1]
|
|
case -p --prefix
|
|
set search_mode --prefix
|
|
case -c --contains
|
|
set search_mode --contains
|
|
case -e --exact
|
|
set search_mode --exact
|
|
case -z --null
|
|
set null --null
|
|
case -n --max
|
|
if string match -- '-n?*' $argv[1]
|
|
or string match -- '--max=*' $argv[1]
|
|
set max_count $argv[1]
|
|
else
|
|
set max_count $argv[1] $argv[2]
|
|
set -e argv[1]
|
|
end
|
|
case --
|
|
set -e argv[1]
|
|
break
|
|
case '*'
|
|
if string match -r -- '-\d+' $argv[1]
|
|
set max_count $argv[1]
|
|
set -e argv[1]
|
|
else
|
|
break
|
|
end
|
|
end
|
|
set -e argv[1]
|
|
end
|
|
|
|
# If a history command has not already been specified check the first non-flag argument for a
|
|
# command. This allows the flags to appear before or after the subcommand.
|
|
if not set -q hist_cmd[1]
|
|
and set -q argv[1]
|
|
switch $argv[1]
|
|
case search delete merge save clear
|
|
set hist_cmd $argv[1]
|
|
set -e argv[1]
|
|
end
|
|
end
|
|
|
|
if not set -q hist_cmd[1]
|
|
set hist_cmd search # default to "search" if the user didn't specify a subcommand
|
|
end
|
|
|
|
switch $hist_cmd
|
|
case search # search the interactive command history
|
|
test -z "$search_mode"
|
|
and set search_mode "--contains"
|
|
|
|
if isatty stdout
|
|
set -l pager less
|
|
set -q PAGER
|
|
and set pager $PAGER
|
|
builtin history search $search_mode $show_time $max_count $case_sensitive $null -- $argv | eval $pager
|
|
else
|
|
builtin history search $search_mode $show_time $max_count $case_sensitive $null -- $argv
|
|
end
|
|
|
|
case delete # interactively delete history
|
|
# TODO: Fix this to deal with history entries that have multiple lines.
|
|
if not set -q argv[1]
|
|
printf (_ "You must specify at least one search term when deleting entries\n") >&2
|
|
return 1
|
|
end
|
|
|
|
test -z "$search_mode"
|
|
and set search_mode "--contains"
|
|
|
|
if test $search_mode = "--exact"
|
|
builtin history delete $search_mode $case_sensitive $argv
|
|
return
|
|
end
|
|
|
|
# TODO: Fix this so that requesting history entries with a timestamp works:
|
|
# set -l found_items (builtin history search $search_mode $show_time -- $argv)
|
|
set -l found_items
|
|
builtin history search $search_mode $case_sensitive --null -- $argv | while read -lz x
|
|
set found_items $found_items $x
|
|
end
|
|
if set -q found_items[1]
|
|
set -l found_items_count (count $found_items)
|
|
for i in (seq $found_items_count)
|
|
printf "[%s] %s\n" $i $found_items[$i]
|
|
end
|
|
echo ""
|
|
echo "Enter nothing to cancel the delete, or"
|
|
echo "Enter one or more of the entry IDs separated by a space, or"
|
|
echo "Enter \"all\" to delete all the matching entries."
|
|
echo ""
|
|
read --local --prompt "echo 'Delete which entries? > '" choice
|
|
echo ''
|
|
|
|
if test -z "$choice"
|
|
printf "Cancelling the delete!\n"
|
|
return
|
|
end
|
|
|
|
if test "$choice" = "all"
|
|
printf "Deleting all matching entries!\n"
|
|
for item in $found_items
|
|
builtin history delete --exact --case-sensitive -- $item
|
|
end
|
|
builtin history save
|
|
return
|
|
end
|
|
|
|
for i in (string split " " -- $choice)
|
|
if test -z "$i"
|
|
or not string match -qr '^[1-9][0-9]*$' -- $i
|
|
or test $i -gt $found_items_count
|
|
printf "Ignoring invalid history entry ID \"%s\"\n" $i
|
|
continue
|
|
end
|
|
|
|
printf "Deleting history entry %s: \"%s\"\n" $i $found_items[$i]
|
|
builtin history delete --exact --case-sensitive -- "$found_items[$i]"
|
|
end
|
|
builtin history save
|
|
end
|
|
|
|
case save # save our interactive command history to the persistent history
|
|
__fish_unexpected_hist_args $argv
|
|
and return 1
|
|
|
|
builtin history save -- $argv
|
|
|
|
case merge # merge the persistent interactive command history with our history
|
|
__fish_unexpected_hist_args $argv
|
|
and return 1
|
|
|
|
builtin history merge -- $argv
|
|
|
|
case clear # clear the interactive command history
|
|
__fish_unexpected_hist_args $argv
|
|
and return 1
|
|
|
|
printf (_ "If you enter 'yes' your entire interactive command history will be erased\n")
|
|
read --local --prompt "echo 'Are you sure you want to clear history? (yes/no) '" choice
|
|
if test "$choice" = "yes"
|
|
builtin history clear -- $argv
|
|
and printf (_ "Command history cleared!")
|
|
else
|
|
printf (_ "You did not say 'yes' so I will not clear your command history\n")
|
|
end
|
|
|
|
case '*'
|
|
printf "%ls: unexpected subcommand '%ls'\n" $cmd $hist_cmd
|
|
return 2
|
|
end
|
|
end
|