Andrew's git - gitweb.git/blob - contrib/git-jump/git-jump

   1#!/bin/sh
   2
   3usage() {
   4        cat <<\EOF
   5usage: git jump <mode> [<args>]
   6
   7Jump to interesting elements in an editor.
   8The <mode> parameter is one of:
   9
  10diff: elements are diff hunks. Arguments are given to diff.
  11
  12merge: elements are merge conflicts. Arguments are ignored.
  13
  14grep: elements are grep hits. Arguments are given to git grep or, if
  15      configured, to the command in `jump.grepCmd`.
  16
  17ws: elements are whitespace errors. Arguments are given to diff --check.
  18EOF
  19}
  20
  21open_editor() {
  22        editor=`git var GIT_EDITOR`
  23        eval "$editor -q \$1"
  24}
  25
  26mode_diff() {
  27        git diff --no-prefix --relative "$@" |
  28        perl -ne '
  29        if (m{^\+\+\+ (.*)}) { $file = $1; next }
  30        defined($file) or next;
  31        if (m/^@@ .*?\+(\d+)/) { $line = $1; next }
  32        defined($line) or next;
  33        if (/^ /) { $line++; next }
  34        if (/^[-+]\s*(.*)/) {
  35                print "$file:$line: $1\n";
  36                $line = undef;
  37        }
  38        '
  39}
  40
  41mode_merge() {
  42        git ls-files -u |
  43        perl -pe 's/^.*?\t//' |
  44        sort -u |
  45        while IFS= read fn; do
  46                grep -Hn '^<<<<<<<' "$fn"
  47        done
  48}
  49
  50# Grep -n generates nice quickfix-looking lines by itself,
  51# but let's clean up extra whitespace, so they look better if the
  52# editor shows them to us in the status bar.
  53mode_grep() {
  54        cmd=$(git config jump.grepCmd)
  55        test -n "$cmd" || cmd="git grep -n --column"
  56        $cmd "$@" |
  57        perl -pe '
  58        s/[ \t]+/ /g;
  59        s/^ *//;
  60        '
  61}
  62
  63mode_ws() {
  64        git diff --check "$@"
  65}
  66
  67if test $# -lt 1; then
  68        usage >&2
  69        exit 1
  70fi
  71mode=$1; shift
  72
  73trap 'rm -f "$tmp"' 0 1 2 3 15
  74tmp=`mktemp -t git-jump.XXXXXX` || exit 1
  75type "mode_$mode" >/dev/null 2>&1 || { usage >&2; exit 1; }
  76"mode_$mode" "$@" >"$tmp"
  77test -s "$tmp" || exit 0
  78open_editor "$tmp"