home/rc/extra/git-tools.kak
2019-03-14 10:53:13 -04:00

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declare-option -docstring "name of the client in which documentation is to be displayed" \
str docsclient
hook -group git-log-highlight global WinSetOption filetype=git-log %{
add-highlighter window/git-log group
add-highlighter window/git-log/ regex '^(commit) ([0-9a-f]+)$' 1:keyword 2:meta
add-highlighter window/git-log/ regex '^([a-zA-Z_-]+:) (.*?)$' 1:variable 2:value
add-highlighter window/git-log/ ref diff # highlight potential diffs from the -p option
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/git-log }
}
hook -group git-status-highlight global WinSetOption filetype=git-status %{
add-highlighter window/git-status group
add-highlighter window/git-status/ regex '^\h+(?:((?:both )?modified:)|(added:|new file:)|(deleted(?: by \w+)?:)|(renamed:)|(copied:))(?:.*?)$' 1:yellow 2:green 3:red 4:cyan 5:blue 6:magenta
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/git-status }
}
declare-option -hidden line-specs git_blame_flags
declare-option -hidden line-specs git_diff_flags
define-command -params 1.. \
-docstring %sh{printf 'git [<arguments>]: git wrapping helper
All the optional arguments are forwarded to the git utility
Available commands:\n add\n rm\n blame\n commit\n checkout\n diff\n hide-blame\n hide-diff\n log\n show\n show-diff\n status\n update-diff'} \
-shell-script-candidates %{
if [ $kak_token_to_complete -eq 0 ]; then
printf "add\nrm\nblame\ncommit\ncheckout\ndiff\nhide-blame\nhide-diff\nlog\nshow\nshow-diff\nstatus\nupdate-diff\n"
else
case "$1" in
commit) printf -- "--amend\n--no-edit\n--all\n--reset-author\n--fixup\n--squash\n"; git ls-files -m ;;
add) git ls-files -dmo --exclude-standard ;;
rm) git ls-files -c ;;
esac
fi
} \
git %{ evaluate-commands %sh{
show_git_cmd_output() {
local filetype
case "$1" in
show|diff) filetype=diff ;;
log) filetype=git-log ;;
status) filetype=git-status ;;
esac
output=$(mktemp -d "${TMPDIR:-/tmp}"/kak-git.XXXXXXXX)/fifo
mkfifo ${output}
( git "$@" > ${output} 2>&1 ) > /dev/null 2>&1 < /dev/null &
printf %s "evaluate-commands -try-client '$kak_opt_docsclient' %{
edit! -fifo ${output} *git*
set-option buffer filetype '${filetype}'
hook -always -once buffer BufCloseFifo .* %{ nop %sh{ rm -r $(dirname ${output}) } }
}"
}
run_git_blame() {
(
printf %s "evaluate-commands -client '$kak_client' %{
try %{ add-highlighter window/git-blame flag-lines Information git_blame_flags }
set-option buffer=$kak_bufname git_blame_flags '$kak_timestamp'
}" | kak -p ${kak_session}
git blame "$@" --incremental ${kak_buffile} | awk '
function send_flags(text, flag, i) {
if (line == "") { return; }
text=substr(sha,1,8) " " dates[sha] " " authors[sha]
# gsub("|", "\\|", text)
gsub("~", "~~", text)
flag="%~" line "|" text "~"
for ( i=1; i < count; i++ ) {
flag=flag " %~" line+i "|" text "~"
}
cmd = "kak -p " ENVIRON["kak_session"]
print "set-option -add buffer=" ENVIRON["kak_bufname"] " git_blame_flags " flag | cmd
close(cmd)
}
/^([0-9a-f]{40}) ([0-9]+) ([0-9]+) ([0-9]+)/ {
send_flags()
sha=$1
line=$3
count=$4
}
/^author / { authors[sha]=substr($0,8) }
/^author-time ([0-9]*)/ {
cmd = "date -d @" $2 " +\"%F %T\""
cmd | getline dates[sha]
close(cmd)
}
END { send_flags(); }'
) > /dev/null 2>&1 < /dev/null &
}
update_diff() {
git --no-pager diff -U0 "$kak_buffile" | perl -e '
$flags = $ENV{"kak_timestamp"};
foreach $line (<STDIN>) {
if ($line =~ /@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))?/) {
$from_line = $1;
$from_count = ($2 eq "" ? 1 : $2);
$to_line = $3;
$to_count = ($4 eq "" ? 1 : $4);
if ($from_count == 0 and $to_count > 0) {
for $i (0..$to_count - 1) {
$line = $to_line + $i;
$flags .= " $line|\{green\}+";
}
}
elsif ($from_count > 0 and $to_count == 0) {
if ($to_line == 0) {
$flags .= " 1|\{red\}‾";
} else {
$flags .= " $to_line|\{red\}_";
}
}
elsif ($from_count > 0 and $from_count == $to_count) {
for $i (0..$to_count - 1) {
$line = $to_line + $i;
$flags .= " $line|\{blue\}~";
}
}
elsif ($from_count > 0 and $from_count < $to_count) {
for $i (0..$from_count - 1) {
$line = $to_line + $i;
$flags .= " $line|\{blue\}~";
}
for $i ($from_count..$to_count - 1) {
$line = $to_line + $i;
$flags .= " $line|\{green\}+";
}
}
elsif ($to_count > 0 and $from_count > $to_count) {
for $i (0..$to_count - 2) {
$line = $to_line + $i;
$flags .= " $line|\{blue\}~";
}
$last = $to_line + $to_count - 1;
$flags .= " $last|\{blue+u\}~";
}
}
}
print "set-option buffer git_diff_flags $flags"
'
}
commit() {
# Handle case where message needs not to be edited
if grep -E -q -e "-m|-F|-C|--message=.*|--file=.*|--reuse-message=.*|--no-edit|--fixup.*|--squash.*"; then
if git commit "$@" > /dev/null 2>&1; then
echo 'echo -markup "{Information}Commit succeeded"'
else
echo 'echo -markup "{Error}Commit failed"'
fi
exit
fi <<-EOF
$@
EOF
# fails, and generate COMMIT_EDITMSG
GIT_EDITOR='' EDITOR='' git commit "$@" > /dev/null 2>&1
msgfile="$(git rev-parse --git-dir)/COMMIT_EDITMSG"
printf %s "edit '$msgfile'
hook buffer BufWritePost '.*\Q$msgfile\E' %{ evaluate-commands %sh{
if git commit -F '$msgfile' --cleanup=strip $* > /dev/null; then
printf %s 'evaluate-commands -client $kak_client echo -markup %{{Information}Commit succeeded}; delete-buffer'
else
printf %s 'evaluate-commands -client $kak_client echo -markup %{{Error}Commit failed}'
fi
} }"
}
case "$1" in
show|log|diff|status) show_git_cmd_output "$@" ;;
blame) shift; run_git_blame "$@" ;;
hide-blame)
printf %s "try %{
set-option buffer=$kak_bufname git_blame_flags $kak_timestamp
remove-highlighter window/git-blame
}"
;;
show-diff)
echo 'try %{ add-highlighter window/git-diff flag-lines Default git_diff_flags }'
update_diff
;;
hide-diff)
echo 'try %{ remove-highlighter window/git-diff }'
;;
update-diff) update_diff ;;
commit) shift; commit "$@" ;;
checkout)
name="${2:-${kak_buffile}}"
git checkout "${name}" > /dev/null 2>&1
;;
add)
name="${2:-${kak_buffile}}"
if git add -- "${name}" > /dev/null 2>&1; then
printf %s "echo -markup '{Information}git: added ${name}'"
else
printf %s "echo -markup '{Error}git: unable to add ${name}'"
fi
;;
rm)
name="${2:-${kak_buffile}}"
if git rm -- "${name}" > /dev/null 2>&1; then
printf %s "echo -markup '{Information}git: removed ${name}'"
else
printf %s "echo -markup '{Error}git: unable to remove ${name}'"
fi
;;
*) printf %s "echo -markup %{{Error}unknown git command '$1'}"; exit ;;
esac
}}