diff options
Diffstat (limited to 'git-request-pull.sh')
| -rwxr-xr-x | git-request-pull.sh | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/git-request-pull.sh b/git-request-pull.sh new file mode 100755 index 0000000000..6a7b793678 --- /dev/null +++ b/git-request-pull.sh @@ -0,0 +1,178 @@ +#!/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. + +SUBDIRECTORY_OK='Yes' +OPTIONS_KEEPDASHDASH= +OPTIONS_STUCKLONG= +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=$2 status=0 + +test -n "$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 + +# +# $3 must be a symbolic ref, a unique ref, or +# a SHA object expression. It can also be of +# the format 'local-name:remote-name'. +# +local=${3%:*} +local=${local:-HEAD} +remote=${3#*:} +pretty_remote=${remote#refs/} +pretty_remote=${pretty_remote#heads/} +head=$(git symbolic-ref -q "$local") +head=${head:-$(git show-ref --heads --tags "$local" | cut -d' ' -f2)} +head=${head:-$(git rev-parse --quiet --verify "$local")} + +# None of the above? Bad. +test -z "$head" && die "fatal: Not a valid revision: $local" + +# This also verifies that the resulting head is unique: +# "git show-ref" could have shown multiple matching refs.. +headrev=$(git rev-parse --verify --quiet "$head"^0) +test -z "$headrev" && die "fatal: Ambiguous revision: $local" + +local_sha1=$(git rev-parse --verify --quiet "$head") + +# Was it a branch with a description? +branch_name=${head#refs/heads/} +if test "z$branch_name" = "z$headref" || + ! git config "branch.$branch_name.description" >/dev/null +then + branch_name= +fi + +merge_base=$(git merge-base $baserev $headrev) || +die "fatal: No commits in common between $base and $head" + +find_matching_ref () { + while read sha1 ref + do + case "$ref" in + *"^"?*) + ref="${ref%"^"*}" + deref=true + ;; + *) + deref= + ;; + esac + + if test "$sha1" = "${remote:-HEAD}" + then + echo "$sha1 $sha1" + break + fi + + case "$ref" in + "${remote:-HEAD}"|*"/${remote:-HEAD}") + if test -z "$deref" + then + # Remember the matching unpeeled object on the + # remote side. + remote_sha1="$sha1" + fi + + if test "$sha1" = "$headrev" + then + echo "${remote_sha1:-$headrev} $ref" + break + fi + ;; + esac + done +} + +# Find a ref with the same name as $remote that exists at the remote +# and points to the same commit as the local object. +set fnord $(git ls-remote "$url" | find_matching_ref) +remote_sha1=$2 +ref=$3 + +if test -z "$ref" +then + echo "warn: No match for commit $headrev found at $url" >&2 + echo "warn: Are you sure you pushed '${remote:-HEAD}' there?" >&2 + status=1 +elif test "$local_sha1" != "$remote_sha1" +then + echo "warn: $head found at $url but points to a different object" >&2 + echo "warn: Are you sure you pushed '${remote:-HEAD}' there?" >&2 + status=1 +fi + +# Special case: turn "for_linus" to "tags/for_linus" when it is correct +if test "$ref" = "refs/tags/$pretty_remote" +then + pretty_remote=tags/$pretty_remote +fi + +url=$(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 $pretty_remote" && +git show -s --format=' +for you to fetch changes up to %H: + + %s (%ci) + +----------------------------------------------------------------' $headrev && + +if test $(git cat-file -t "$head") = tag +then + git cat-file tag "$head" | + sed -n -e '1,/^$/d' -e '/^-----BEGIN \(PGP\|SSH\|SIGNED\) /q' -e p + echo + echo "----------------------------------------------------------------" +fi && + +if test -n "$branch_name" +then + echo "(from the branch description for $branch_name local branch)" + echo + git config "branch.$branch_name.description" + echo "----------------------------------------------------------------" +fi && + +git shortlog ^$baserev $headrev && +git diff -M --stat --summary $patch $merge_base..$headrev || status=1 + +exit $status |