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Diffstat (limited to 'git-request-pull.sh')
| -rwxr-xr-x | git-request-pull.sh | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/git-request-pull.sh b/git-request-pull.sh new file mode 100755 index 0000000000..ebf1269d29 --- /dev/null +++ b/git-request-pull.sh @@ -0,0 +1,162 @@ +#!/bin/sh +# Copyright 2005, Ryan Anderson <ryan@michonline.com> +# +# This file is licensed under the GPL v2, or a later version +# at the discretion of Linus Torvalds. + +USAGE='<start> <url> [<end>]' +LONG_USAGE='Summarizes the changes between two commits to the standard output, +and includes the given URL in the generated summary.' +SUBDIRECTORY_OK='Yes' +OPTIONS_KEEPDASHDASH= +OPTIONS_SPEC='git request-pull [options] start url [end] +-- +p show patch text as well +' + +. git-sh-setup + +GIT_PAGER= +export GIT_PAGER + +patch= +while case "$#" in 0) break ;; esac +do + case "$1" in + -p) + patch=-p ;; + --) + shift; break ;; + -*) + usage ;; + *) + break ;; + esac + shift +done + +base=$1 url=$2 head=${3-HEAD} status=0 branch_name= + +headref=$(git symbolic-ref -q "$head") +if git show-ref -q --verify "$headref" +then + branch_name=${headref#refs/heads/} + if test "z$branch_name" = "z$headref" || + ! git config "branch.$branch_name.description" >/dev/null + then + branch_name= + fi +fi + +tag_name=$(git describe --exact "$head^0" 2>/dev/null) + +test -n "$base" && test -n "$url" || usage + +baserev=$(git rev-parse --verify --quiet "$base"^0) +if test -z "$baserev" +then + die "fatal: Not a valid revision: $base" +fi + +headrev=$(git rev-parse --verify --quiet "$head"^0) +if test -z "$headrev" +then + die "fatal: Not a valid revision: $head" +fi + +merge_base=$(git merge-base $baserev $headrev) || +die "fatal: No commits in common between $base and $head" + +# $head is the token given from the command line, and $tag_name, if +# exists, is the tag we are going to show the commit information for. +# If that tag exists at the remote and it points at the commit, use it. +# Otherwise, if a branch with the same name as $head exists at the remote +# and their values match, use that instead. +# +# Otherwise find a random ref that matches $headrev. +find_matching_ref=' + sub abbr { + my $ref = shift; + if ($ref =~ s|^refs/heads/|| || $ref =~ s|^refs/tags/|tags/|) { + return $ref; + } else { + return $ref; + } + } + + my ($tagged, $branch, $found); + while (<STDIN>) { + my ($sha1, $ref, $deref) = /^(\S+)\s+(\S+?)(\^\{\})?$/; + next unless ($sha1 eq $ARGV[1]); + $found = abbr($ref); + if ($deref && $ref eq "tags/$ARGV[2]") { + $tagged = $found; + last; + } + if ($ref =~ m|/\Q$ARGV[0]\E$|) { + $exact = $found; + } + } + if ($tagged) { + print "$tagged\n"; + } elsif ($exact) { + print "$exact\n"; + } elsif ($found) { + print "$found\n"; + } +' + +ref=$(git ls-remote "$url" | perl -e "$find_matching_ref" "$head" "$headrev" "$tag_name") + +url=$(git ls-remote --get-url "$url") + +git show -s --format='The following changes since commit %H: + + %s (%ci) + +are available in the git repository at: +' $merge_base && +echo " $url${ref+ $ref}" && +git show -s --format=' +for you to fetch changes up to %H: + + %s (%ci) + +----------------------------------------------------------------' $headrev && + +if test -n "$branch_name" +then + echo "(from the branch description for $branch_name local branch)" + echo + git config "branch.$branch_name.description" +fi && + +if test -n "$tag_name" +then + if test -z "$ref" || test "$ref" != "tags/$tag_name" + then + echo >&2 "warn: You locally have $tag_name but it does not (yet)" + echo >&2 "warn: appear to be at $url" + echo >&2 "warn: Do you want to push it there, perhaps?" + fi + git cat-file tag "$tag_name" | + sed -n -e '1,/^$/d' -e '/^-----BEGIN PGP /q' -e p + echo +fi && + +if test -n "$branch_name" || test -n "$tag_name" +then + echo "----------------------------------------------------------------" +fi && + +git shortlog ^$baserev $headrev && +git diff -M --stat --summary $patch $merge_base..$headrev || status=1 + +if test -z "$ref" +then + echo "warn: No branch of $url is at:" >&2 + git show -s --format='warn: %h: %s' $headrev >&2 + echo "warn: Are you sure you pushed '$head' there?" >&2 + status=1 +fi +exit $status |