diff options
Diffstat (limited to 'git-request-pull.sh')
| -rwxr-xr-x | git-request-pull.sh | 170 |
1 files changed, 150 insertions, 20 deletions
diff --git a/git-request-pull.sh b/git-request-pull.sh index 4eacc3a059..d5500fde46 100755 --- a/git-request-pull.sh +++ b/git-request-pull.sh @@ -1,33 +1,163 @@ -#!/bin/sh -e +#!/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='<commit> <url> [<head>]' -LONG_USAGE='Summarizes the changes since <commit> to the standard output, -and includes <url> in the message generated.' +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_STUCKLONG= +OPTIONS_SPEC='git request-pull [options] start url [end] +-- +p show patch text as well +' + . git-sh-setup -revision=$1 -url=$2 -head=${3-HEAD} +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: $local" + +# Was it a branch with a description? +branch_name=${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" + +# $head is the refname from the command line. +# If a ref with the same name as $head exists at the remote +# and their values match, use that. +# +# Otherwise find a random ref that matches $headrev. +find_matching_ref=' + my ($head,$headrev) = (@ARGV); + my ($found); + + while (<STDIN>) { + chomp; + my ($sha1, $ref, $deref) = /^(\S+)\s+([^^]+)(\S*)$/; + my ($pattern); + next unless ($sha1 eq $headrev); + + $pattern="/$head\$"; + if ($ref eq $head) { + $found = $ref; + } + if ($ref =~ /$pattern/) { + $found = $ref; + } + if ($sha1 eq $head) { + $found = $sha1; + } + } + if ($found) { + print "$found\n"; + } +' + +ref=$(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "${remote:-HEAD}" "$headrev") + +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 +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 $pretty_remote" && +git show -s --format=' +for you to fetch changes up to %H: + + %s (%ci) -[ "$revision" ] || usage -[ "$url" ] || usage +----------------------------------------------------------------' $headrev && -baserev=`git-rev-parse --verify "$revision"^0` && -headrev=`git-rev-parse --verify "$head"^0` || exit +if test $(git cat-file -t "$head") = tag +then + git cat-file tag "$head" | + sed -n -e '1,/^$/d' -e '/^-----BEGIN PGP /q' -e p + echo + echo "----------------------------------------------------------------" +fi && -echo "The following changes since commit $baserev:" -git log --max-count=1 --pretty=short "$baserev" | -git-shortlog | sed -e 's/^\(.\)/ \1/' +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 && -echo "are found in the git repository at:" -echo -echo " $url" -echo +git shortlog ^$baserev $headrev && +git diff -M --stat --summary $patch $merge_base..$headrev || status=1 -git log $baserev..$headrev | git-shortlog ; -git diff -M --stat --summary $baserev..$headrev +exit $status |