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.
  15EOF
  16}
  17
  18open_editor() {
  19        editor=`git var GIT_EDITOR`
  20        eval "$editor -q \$1"
  21}
  22
  23mode_diff() {
  24        git diff --relative "$@" |
  25        perl -ne '
  26        if (m{^\+\+\+ b/(.*)}) { $file = $1; next }
  27        defined($file) or next;
  28        if (m/^@@ .*\+(\d+)/) { $line = $1; next }
  29        defined($line) or next;
  30        if (/^ /) { $line++; next }
  31        if (/^[-+]\s*(.*)/) {
  32                print "$file:$line: $1\n";
  33                $line = undef;
  34        }
  35        '
  36}
  37
  38mode_merge() {
  39        git ls-files -u |
  40        perl -pe 's/^.*?\t//' |
  41        sort -u |
  42        while IFS= read fn; do
  43                grep -Hn '^<<<<<<<' "$fn"
  44        done
  45}
  46
  47# Grep -n generates nice quickfix-looking lines by itself,
  48# but let's clean up extra whitespace, so they look better if the
  49# editor shows them to us in the status bar.
  50mode_grep() {
  51        git grep -n "$@" |
  52        perl -pe '
  53        s/[ \t]+/ /g;
  54        s/^ *//;
  55        '
  56}
  57
  58if test $# -lt 1; then
  59        usage >&2
  60        exit 1
  61fi
  62mode=$1; shift
  63
  64trap 'rm -f "$tmp"' 0 1 2 3 15
  65tmp=`mktemp -t git-jump.XXXXXX` || exit 1
  66type "mode_$mode" >/dev/null 2>&1 || { usage >&2; exit 1; }
  67"mode_$mode" "$@" >"$tmp"
  68test -s "$tmp" || exit 0
  69open_editor "$tmp"