164 lines
3.8 KiB
Bash
Executable File
164 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2005, Ryan Anderson <ryan@michonline.com>
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#
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# This file is licensed under the GPL v2, or a later version
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# at the discretion of Linus Torvalds.
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USAGE='<start> <url> [<end>]'
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LONG_USAGE='Summarizes the changes between two commits to the standard output,
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and includes the given URL in the generated summary.'
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SUBDIRECTORY_OK='Yes'
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OPTIONS_KEEPDASHDASH=
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OPTIONS_STUCKLONG=
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OPTIONS_SPEC='git request-pull [options] start url [end]
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--
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p show patch text as well
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'
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. git-sh-setup
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GIT_PAGER=
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export GIT_PAGER
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patch=
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while case "$#" in 0) break ;; esac
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do
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case "$1" in
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-p)
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patch=-p ;;
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--)
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shift; break ;;
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-*)
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usage ;;
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*)
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break ;;
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esac
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shift
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done
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base=$1 url=$2 status=0
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test -n "$base" && test -n "$url" || usage
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baserev=$(git rev-parse --verify --quiet "$base"^0)
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if test -z "$baserev"
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then
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die "fatal: Not a valid revision: $base"
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fi
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#
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# $3 must be a symbolic ref, a unique ref, or
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# a SHA object expression. It can also be of
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# the format 'local-name:remote-name'.
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#
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local=${3%:*}
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local=${local:-HEAD}
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remote=${3#*:}
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pretty_remote=${remote#refs/}
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pretty_remote=${pretty_remote#heads/}
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head=$(git symbolic-ref -q "$local")
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head=${head:-$(git show-ref --heads --tags "$local" | cut -d' ' -f2)}
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head=${head:-$(git rev-parse --quiet --verify "$local")}
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# None of the above? Bad.
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test -z "$head" && die "fatal: Not a valid revision: $local"
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# This also verifies that the resulting head is unique:
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# "git show-ref" could have shown multiple matching refs..
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headrev=$(git rev-parse --verify --quiet "$head"^0)
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test -z "$headrev" && die "fatal: Ambiguous revision: $local"
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# Was it a branch with a description?
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branch_name=${head#refs/heads/}
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if test "z$branch_name" = "z$headref" ||
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! git config "branch.$branch_name.description" >/dev/null
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then
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branch_name=
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fi
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merge_base=$(git merge-base $baserev $headrev) ||
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die "fatal: No commits in common between $base and $head"
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# $head is the refname from the command line.
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# If a ref with the same name as $head exists at the remote
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# and their values match, use that.
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#
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# Otherwise find a random ref that matches $headrev.
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find_matching_ref='
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my ($head,$headrev) = (@ARGV);
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my ($found);
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while (<STDIN>) {
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chomp;
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my ($sha1, $ref, $deref) = /^(\S+)\s+([^^]+)(\S*)$/;
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my ($pattern);
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next unless ($sha1 eq $headrev);
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$pattern="/$head\$";
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if ($ref eq $head) {
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$found = $ref;
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}
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if ($ref =~ /$pattern/) {
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$found = $ref;
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}
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if ($sha1 eq $head) {
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$found = $sha1;
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}
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}
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if ($found) {
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print "$found\n";
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}
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'
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ref=$(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "${remote:-HEAD}" "$headrev")
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if test -z "$ref"
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then
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echo "warn: No match for commit $headrev found at $url" >&2
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echo "warn: Are you sure you pushed '${remote:-HEAD}' there?" >&2
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status=1
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fi
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# Special case: turn "for_linus" to "tags/for_linus" when it is correct
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if test "$ref" = "refs/tags/$pretty_remote"
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then
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pretty_remote=tags/$pretty_remote
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fi
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url=$(git ls-remote --get-url "$url")
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git show -s --format='The following changes since commit %H:
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%s (%ci)
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are available in the git repository at:
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' $merge_base &&
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echo " $url $pretty_remote" &&
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git show -s --format='
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for you to fetch changes up to %H:
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%s (%ci)
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----------------------------------------------------------------' $headrev &&
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if test $(git cat-file -t "$head") = tag
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then
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git cat-file tag "$head" |
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sed -n -e '1,/^$/d' -e '/^-----BEGIN PGP /q' -e p
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echo
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echo "----------------------------------------------------------------"
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fi &&
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if test -n "$branch_name"
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then
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echo "(from the branch description for $branch_name local branch)"
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echo
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git config "branch.$branch_name.description"
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echo "----------------------------------------------------------------"
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fi &&
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git shortlog ^$baserev $headrev &&
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git diff -M --stat --summary $patch $merge_base..$headrev || status=1
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exit $status
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