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more work on glug; new g and G commands

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This commit is contained in:
Connor Olding 2021-10-05 20:13:37 -07:00
parent 3152639dcd
commit a7ff1eb658
1 changed files with 23 additions and 5 deletions
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28
sh/glug
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@ -45,6 +45,7 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
err=
alt_on() {
# globals: $alt
printf '\033[?1049h' # alt screen on (smcup)
alt=1
printf '\033[?1h\033=' # no idea but less does it so it must be important (smkx)
@ -53,24 +54,28 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
}
alt_off() {
# globals: $alt
printf '\r' # move cursor to start of line (carriage return)
#printf '\033[K' # erase everything before the cursor (el)
#printf '\033[K' # erase everything after the cursor (el)
printf '\033[?1l\033>' # no idea but less does it so it must be important (rmkx)
printf '\033[?1049l' # alt screen off (rmcup)
alt=0
}
glug_enter() {
# globals: $alt
[ $alt = 1 ] || alt_on
}
glug_exit() {
# globals: $alt, $err, $ret
[ $alt = 0 ] || alt_off
[ -z "$err" ] || printf '%s\n' "$err" >&2
exit $ret
}
die() {
# globals: $ret, $err
ret=$?
err="$@"
[ $? = 0 ] && exit 1 || exit $?
@ -86,13 +91,14 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
} </dev/tty # ensure this interacts with a terminal instead of a pipe
escape_message() {
# arguments: $message
_msg=
while _seg="${message%%\'*}"; [ "$_seg" != "$message" ]; do
_msg="$_msg$_seg'\''"
message="${message#*\'}"
done
message="$_msg$message"
unset _msg _new _seg
unset _msg _seg
}
parse_logs() {
@ -116,6 +122,7 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
eval "choice_$choices=$commit"
eval "commit_$commit='$message'"
done
unset _line _next
}
colorize_pathy() {
@ -143,6 +150,7 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
fi
diffy="${diffy#$_seg}"
done
unset _seg
}
colorize_summary() {
@ -173,6 +181,7 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
fi
gds="${gds#$_seg}"
done
unset _color _ins _seg
}
format_stats() {
@ -195,6 +204,7 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
colorize_summary
printf '\n'
: $((linesleft-=1))
unset _line
}
present_choices() {
@ -242,6 +252,8 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
[ $linesleft -ge 2 ] || break
done
if [ $linesleft -ge 1 ]; then
printf '\033[%s;0H' $LINES
linesleft=1
printf ' \033[33m(\033[97m%s\033[33m/\033[97m%s\033[33m)\033[m ' "$selection" "$choices"
: $((linesleft-=1))
fi
@ -253,7 +265,6 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
# TODO: reset button that checks LINES and COLUMNS again.
printf '\0338' # restore cursor to prompt position (rc)
input="$(read_byte)" || return
printf '\033[K' # TODO: unnecessary?
if [ "${input%_}" = "$input" ]; then
# no magic underscore, something went wrong.
return 1
@ -267,13 +278,19 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
input=" ${input#$nl}"
fi
if [ "${input#[! jkq]}" != "$input" ]; then
_seg="${input%%[ jkq]*}"
if [ "${input#[! gGjkq]}" != "$input" ]; then
_seg="${input%%[ gGjkq]*}"
elif [ "${input# }" != "$input" ]; then
_seg=' '
alt_off
git diff "$commit~" "$commit" || exit
alt_on
elif [ "${input#g}" != "$input" ]; then
_seg=g
selection=1
elif [ "${input#G}" != "$input" ]; then
_seg=G
selection=$choices
elif [ "${input#j}" != "$input" ]; then
_seg=j
[ $((selection+=1)) -le $choices ] || selection=$choices
@ -288,6 +305,7 @@ glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
fi
input="${input#$_seg}"
done
unset _seg
}
trap glug_exit INT EXIT && glug_enter