projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| 93c36dcd JH |
1 | #!/bin/sh |
| 2 | # | |
| 3 | # Copyright (c) 2005 Junio C Hamano. | |
| 4 | # | |
| 5 | ||
| 215a7ad1 | 6 | . git-sh-setup || die "Not a git archive." |
| 4282c4fb | 7 | |
| 185612b8 | 8 | usage="usage: $0 "'[-v] <upstream> [<head>] |
| 93c36dcd JH |
9 | |
| 10 | __*__*__*__*__> <upstream> | |
| 11 | / | |
| 12 | fork-point | |
| 13 | \__+__+__+__+__+__+__+__> <head> | |
| 14 | ||
| 15 | Each commit between the fork-point and <head> is examined, and | |
| 16 | compared against the change each commit between the fork-point and | |
| e47e35ac JH |
17 | <upstream> introduces. If the change seems to be in the upstream, |
| 18 | it is shown on the standard output with prefix "+". Otherwise | |
| 19 | it is shown with prefix "-". | |
| 93c36dcd JH |
20 | ' |
| 21 | ||
| 185612b8 JH |
22 | case "$1" in -v) verbose=t; shift ;; esac |
| 23 | ||
| 4282c4fb JH |
24 | case "$#,$1" in |
| 25 | 1,*..*) | |
| 26 | upstream=$(expr "$1" : '\(.*\)\.\.') ours=$(expr "$1" : '.*\.\.\(.*\)$') | |
| 27 | set x "$upstream" "$ours" | |
| 28 | shift ;; | |
| 29 | esac | |
| 30 | ||
| 93c36dcd | 31 | case "$#" in |
| 4282c4fb JH |
32 | 1) upstream=`git-rev-parse --verify "$1"` && |
| 33 | ours=`git-rev-parse --verify HEAD` || exit | |
| 93c36dcd | 34 | ;; |
| 4282c4fb JH |
35 | 2) upstream=`git-rev-parse --verify "$1"` && |
| 36 | ours=`git-rev-parse --verify "$2"` || exit | |
| 93c36dcd JH |
37 | ;; |
| 38 | *) echo >&2 "$usage"; exit 1 ;; | |
| 39 | esac | |
| 40 | ||
| 41 | # Note that these list commits in reverse order; | |
| 42 | # not that the order in inup matters... | |
| 4282c4fb JH |
43 | inup=`git-rev-list ^$ours $upstream` && |
| 44 | ours=`git-rev-list $ours ^$upstream` || exit | |
| 93c36dcd JH |
45 | |
| 46 | tmp=.cherry-tmp$$ | |
| 47 | patch=$tmp-patch | |
| 48 | mkdir $patch | |
| 49 | trap "rm -rf $tmp-*" 0 1 2 3 15 | |
| 50 | ||
| 51 | _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]' | |
| 52 | _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" | |
| 53 | ||
| 54 | for c in $inup | |
| 55 | do | |
| 56 | git-diff-tree -p $c | |
| 57 | done | git-patch-id | | |
| 58 | while read id name | |
| 59 | do | |
| 60 | echo $name >>$patch/$id | |
| 61 | done | |
| 62 | ||
| 63 | LF=' | |
| 64 | ' | |
| 65 | ||
| 66 | O= | |
| 67 | for c in $ours | |
| 68 | do | |
| 69 | set x `git-diff-tree -p $c | git-patch-id` | |
| 70 | if test "$2" != "" | |
| 71 | then | |
| 72 | if test -f "$patch/$2" | |
| 73 | then | |
| 74 | sign=- | |
| 75 | else | |
| 76 | sign=+ | |
| 77 | fi | |
| 185612b8 JH |
78 | case "$verbose" in |
| 79 | t) | |
| 80 | c=$(git-rev-list --pretty=oneline --max-count=1 $c) | |
| 81 | esac | |
| 93c36dcd JH |
82 | case "$O" in |
| 83 | '') O="$sign $c" ;; | |
| 84 | *) O="$sign $c$LF$O" ;; | |
| 85 | esac | |
| 86 | fi | |
| 87 | done | |
| 88 | case "$O" in | |
| 89 | '') ;; | |
| 90 | *) echo "$O" ;; | |
| 91 | esac |