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