diff --git a/lib/git/base/factory.rb b/lib/git/base/factory.rb index 7b601306..fd35a130 100644 --- a/lib/git/base/factory.rb +++ b/lib/git/base/factory.rb @@ -32,8 +32,8 @@ def commit_tree(tree = nil, opts = {}) end # @return [Git::Diff] a Git::Diff object - def diff(objectish = 'HEAD', obj2 = nil) - Git::Diff.new(self, objectish, obj2) + def diff(objectish = 'HEAD', obj2 = nil, **opts) + Git::Diff.new(self, objectish, obj2, **opts) end # @return [Git::Object] a Git object diff --git a/lib/git/diff.rb b/lib/git/diff.rb index d40ddce4..78f02745 100644 --- a/lib/git/diff.rb +++ b/lib/git/diff.rb @@ -4,10 +4,11 @@ module Git class Diff include Enumerable - def initialize(base, from = nil, to = nil) + def initialize(base, from = nil, to = nil, **opts) @base = base @from = from && from.to_s @to = to && to.to_s + @opts = opts @path = nil @full_diff = nil @@ -101,7 +102,7 @@ def blob(type = :dst) private def cache_full - @full_diff ||= @base.lib.diff_full(@from, @to, {:path_limiter => @path}) + @full_diff ||= @base.lib.diff_full(@from, @to, {:path_limiter => @path}.update(**@opts)) end def process_full diff --git a/lib/git/lib.rb b/lib/git/lib.rb index cb408246..4bae518b 100644 --- a/lib/git/lib.rb +++ b/lib/git/lib.rb @@ -432,6 +432,9 @@ def diff_full(obj1 = 'HEAD', obj2 = nil, opts = {}) diff_opts << obj1 diff_opts << obj2 if obj2.is_a?(String) diff_opts << '--' << opts[:path_limiter] if opts[:path_limiter].is_a? String + if v = opts[:submodule] + diff_opts << "--submodule=#{v}" + end command('diff', diff_opts) end @@ -1086,6 +1089,10 @@ def command(cmd, *opts, &block) end global_opts = [] + if cmd == 'diff' + # For submodule diffs --work-tree alone is insufficient and -C is needed. + global_opts << "-C" << @git_work_dir if !@git_work_dir.nil? + end global_opts << "--git-dir=#{@git_dir}" if !@git_dir.nil? global_opts << "--work-tree=#{@git_work_dir}" if !@git_work_dir.nil? global_opts << %w[-c core.quotePath=true] diff --git a/tests/files/submod b/tests/files/submod new file mode 160000 index 00000000..610955cb --- /dev/null +++ b/tests/files/submod @@ -0,0 +1 @@ +Subproject commit 610955cb4abecf174f9591e8e79dc722747c2ed0 diff --git a/tests/files/submod.git/HEAD b/tests/files/submod.git/HEAD new file mode 100644 index 00000000..cb089cd8 --- /dev/null +++ b/tests/files/submod.git/HEAD @@ -0,0 +1 @@ +ref: refs/heads/master diff --git a/tests/files/submod.git/config b/tests/files/submod.git/config new file mode 100644 index 00000000..07d359d0 --- /dev/null +++ b/tests/files/submod.git/config @@ -0,0 +1,4 @@ +[core] + repositoryformatversion = 0 + filemode = true + bare = true diff --git a/tests/files/submod.git/description b/tests/files/submod.git/description new file mode 100644 index 00000000..498b267a --- /dev/null +++ b/tests/files/submod.git/description @@ -0,0 +1 @@ +Unnamed repository; edit this file 'description' to name the repository. diff --git a/tests/files/submod.git/hooks/applypatch-msg.sample b/tests/files/submod.git/hooks/applypatch-msg.sample new file mode 100755 index 00000000..a5d7b84a --- /dev/null +++ b/tests/files/submod.git/hooks/applypatch-msg.sample @@ -0,0 +1,15 @@ +#!/bin/sh +# +# An example hook script to check the commit log message taken by +# applypatch from an e-mail message. +# +# The hook should exit with non-zero status after issuing an +# appropriate message if it wants to stop the commit. The hook is +# allowed to edit the commit message file. +# +# To enable this hook, rename this file to "applypatch-msg". + +. git-sh-setup +commitmsg="$(git rev-parse --git-path hooks/commit-msg)" +test -x "$commitmsg" && exec "$commitmsg" ${1+"$@"} +: diff --git a/tests/files/submod.git/hooks/commit-msg.sample b/tests/files/submod.git/hooks/commit-msg.sample new file mode 100755 index 00000000..b58d1184 --- /dev/null +++ b/tests/files/submod.git/hooks/commit-msg.sample @@ -0,0 +1,24 @@ +#!/bin/sh +# +# An example hook script to check the commit log message. +# Called by "git commit" with one argument, the name of the file +# that has the commit message. The hook should exit with non-zero +# status after issuing an appropriate message if it wants to stop the +# commit. The hook is allowed to edit the commit message file. +# +# To enable this hook, rename this file to "commit-msg". + +# Uncomment the below to add a Signed-off-by line to the message. +# Doing this in a hook is a bad idea in general, but the prepare-commit-msg +# hook is more suited to it. +# +# SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p') +# grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1" + +# This example catches duplicate Signed-off-by lines. + +test "" = "$(grep '^Signed-off-by: ' "$1" | + sort | uniq -c | sed -e '/^[ ]*1[ ]/d')" || { + echo >&2 Duplicate Signed-off-by lines. + exit 1 +} diff --git a/tests/files/submod.git/hooks/fsmonitor-watchman.sample b/tests/files/submod.git/hooks/fsmonitor-watchman.sample new file mode 100755 index 00000000..14ed0aa4 --- /dev/null +++ b/tests/files/submod.git/hooks/fsmonitor-watchman.sample @@ -0,0 +1,173 @@ +#!/usr/bin/perl + +use strict; +use warnings; +use IPC::Open2; + +# An example hook script to integrate Watchman +# (https://facebook.github.io/watchman/) with git to speed up detecting +# new and modified files. +# +# The hook is passed a version (currently 2) and last update token +# formatted as a string and outputs to stdout a new update token and +# all files that have been modified since the update token. Paths must +# be relative to the root of the working tree and separated by a single NUL. +# +# To enable this hook, rename this file to "query-watchman" and set +# 'git config core.fsmonitor .git/hooks/query-watchman' +# +my ($version, $last_update_token) = @ARGV; + +# Uncomment for debugging +# print STDERR "$0 $version $last_update_token\n"; + +# Check the hook interface version +if ($version ne 2) { + die "Unsupported query-fsmonitor hook version '$version'.\n" . + "Falling back to scanning...\n"; +} + +my $git_work_tree = get_working_dir(); + +my $retry = 1; + +my $json_pkg; +eval { + require JSON::XS; + $json_pkg = "JSON::XS"; + 1; +} or do { + require JSON::PP; + $json_pkg = "JSON::PP"; +}; + +launch_watchman(); + +sub launch_watchman { + my $o = watchman_query(); + if (is_work_tree_watched($o)) { + output_result($o->{clock}, @{$o->{files}}); + } +} + +sub output_result { + my ($clockid, @files) = @_; + + # Uncomment for debugging watchman output + # open (my $fh, ">", ".git/watchman-output.out"); + # binmode $fh, ":utf8"; + # print $fh "$clockid\n@files\n"; + # close $fh; + + binmode STDOUT, ":utf8"; + print $clockid; + print "\0"; + local $, = "\0"; + print @files; +} + +sub watchman_clock { + my $response = qx/watchman clock "$git_work_tree"/; + die "Failed to get clock id on '$git_work_tree'.\n" . + "Falling back to scanning...\n" if $? != 0; + + return $json_pkg->new->utf8->decode($response); +} + +sub watchman_query { + my $pid = open2(\*CHLD_OUT, \*CHLD_IN, 'watchman -j --no-pretty') + or die "open2() failed: $!\n" . + "Falling back to scanning...\n"; + + # In the query expression below we're asking for names of files that + # changed since $last_update_token but not from the .git folder. + # + # To accomplish this, we're using the "since" generator to use the + # recency index to select candidate nodes and "fields" to limit the + # output to file names only. Then we're using the "expression" term to + # further constrain the results. + if (substr($last_update_token, 0, 1) eq "c") { + $last_update_token = "\"$last_update_token\""; + } + my $query = <<" END"; + ["query", "$git_work_tree", { + "since": $last_update_token, + "fields": ["name"], + "expression": ["not", ["dirname", ".git"]] + }] + END + + # Uncomment for debugging the watchman query + # open (my $fh, ">", ".git/watchman-query.json"); + # print $fh $query; + # close $fh; + + print CHLD_IN $query; + close CHLD_IN; + my $response = do {local $/; }; + + # Uncomment for debugging the watch response + # open ($fh, ">", ".git/watchman-response.json"); + # print $fh $response; + # close $fh; + + die "Watchman: command returned no output.\n" . + "Falling back to scanning...\n" if $response eq ""; + die "Watchman: command returned invalid output: $response\n" . + "Falling back to scanning...\n" unless $response =~ /^\{/; + + return $json_pkg->new->utf8->decode($response); +} + +sub is_work_tree_watched { + my ($output) = @_; + my $error = $output->{error}; + if ($retry > 0 and $error and $error =~ m/unable to resolve root .* directory (.*) is not watched/) { + $retry--; + my $response = qx/watchman watch "$git_work_tree"/; + die "Failed to make watchman watch '$git_work_tree'.\n" . + "Falling back to scanning...\n" if $? != 0; + $output = $json_pkg->new->utf8->decode($response); + $error = $output->{error}; + die "Watchman: $error.\n" . + "Falling back to scanning...\n" if $error; + + # Uncomment for debugging watchman output + # open (my $fh, ">", ".git/watchman-output.out"); + # close $fh; + + # Watchman will always return all files on the first query so + # return the fast "everything is dirty" flag to git and do the + # Watchman query just to get it over with now so we won't pay + # the cost in git to look up each individual file. + my $o = watchman_clock(); + $error = $output->{error}; + + die "Watchman: $error.\n" . + "Falling back to scanning...\n" if $error; + + output_result($o->{clock}, ("/")); + $last_update_token = $o->{clock}; + + eval { launch_watchman() }; + return 0; + } + + die "Watchman: $error.\n" . + "Falling back to scanning...\n" if $error; + + return 1; +} + +sub get_working_dir { + my $working_dir; + if ($^O =~ 'msys' || $^O =~ 'cygwin') { + $working_dir = Win32::GetCwd(); + $working_dir =~ tr/\\/\//; + } else { + require Cwd; + $working_dir = Cwd::cwd(); + } + + return $working_dir; +} diff --git a/tests/files/submod.git/hooks/post-update.sample b/tests/files/submod.git/hooks/post-update.sample new file mode 100755 index 00000000..ec17ec19 --- /dev/null +++ b/tests/files/submod.git/hooks/post-update.sample @@ -0,0 +1,8 @@ +#!/bin/sh +# +# An example hook script to prepare a packed repository for use over +# dumb transports. +# +# To enable this hook, rename this file to "post-update". + +exec git update-server-info diff --git a/tests/files/submod.git/hooks/pre-applypatch.sample b/tests/files/submod.git/hooks/pre-applypatch.sample new file mode 100755 index 00000000..4142082b --- /dev/null +++ b/tests/files/submod.git/hooks/pre-applypatch.sample @@ -0,0 +1,14 @@ +#!/bin/sh +# +# An example hook script to verify what is about to be committed +# by applypatch from an e-mail message. +# +# The hook should exit with non-zero status after issuing an +# appropriate message if it wants to stop the commit. +# +# To enable this hook, rename this file to "pre-applypatch". + +. git-sh-setup +precommit="$(git rev-parse --git-path hooks/pre-commit)" +test -x "$precommit" && exec "$precommit" ${1+"$@"} +: diff --git a/tests/files/submod.git/hooks/pre-commit.sample b/tests/files/submod.git/hooks/pre-commit.sample new file mode 100755 index 00000000..e144712c --- /dev/null +++ b/tests/files/submod.git/hooks/pre-commit.sample @@ -0,0 +1,49 @@ +#!/bin/sh +# +# An example hook script to verify what is about to be committed. +# Called by "git commit" with no arguments. The hook should +# exit with non-zero status after issuing an appropriate message if +# it wants to stop the commit. +# +# To enable this hook, rename this file to "pre-commit". + +if git rev-parse --verify HEAD >/dev/null 2>&1 +then + against=HEAD +else + # Initial commit: diff against an empty tree object + against=$(git hash-object -t tree /dev/null) +fi + +# If you want to allow non-ASCII filenames set this variable to true. +allownonascii=$(git config --type=bool hooks.allownonascii) + +# Redirect output to stderr. +exec 1>&2 + +# Cross platform projects tend to avoid non-ASCII filenames; prevent +# them from being added to the repository. We exploit the fact that the +# printable range starts at the space character and ends with tilde. +if [ "$allownonascii" != "true" ] && + # Note that the use of brackets around a tr range is ok here, (it's + # even required, for portability to Solaris 10's /usr/bin/tr), since + # the square bracket bytes happen to fall in the designated range. + test $(git diff --cached --name-only --diff-filter=A -z $against | + LC_ALL=C tr -d '[ -~]\0' | wc -c) != 0 +then + cat <<\EOF +Error: Attempt to add a non-ASCII file name. + +This can cause problems if you want to work with people on other platforms. + +To be portable it is advisable to rename the file. + +If you know what you are doing you can disable this check using: + + git config hooks.allownonascii true +EOF + exit 1 +fi + +# If there are whitespace errors, print the offending file names and fail. +exec git diff-index --check --cached $against -- diff --git a/tests/files/submod.git/hooks/pre-merge-commit.sample b/tests/files/submod.git/hooks/pre-merge-commit.sample new file mode 100755 index 00000000..399eab19 --- /dev/null +++ b/tests/files/submod.git/hooks/pre-merge-commit.sample @@ -0,0 +1,13 @@ +#!/bin/sh +# +# An example hook script to verify what is about to be committed. +# Called by "git merge" with no arguments. The hook should +# exit with non-zero status after issuing an appropriate message to +# stderr if it wants to stop the merge commit. +# +# To enable this hook, rename this file to "pre-merge-commit". + +. git-sh-setup +test -x "$GIT_DIR/hooks/pre-commit" && + exec "$GIT_DIR/hooks/pre-commit" +: diff --git a/tests/files/submod.git/hooks/pre-push.sample b/tests/files/submod.git/hooks/pre-push.sample new file mode 100755 index 00000000..4ce688d3 --- /dev/null +++ b/tests/files/submod.git/hooks/pre-push.sample @@ -0,0 +1,53 @@ +#!/bin/sh + +# An example hook script to verify what is about to be pushed. Called by "git +# push" after it has checked the remote status, but before anything has been +# pushed. If this script exits with a non-zero status nothing will be pushed. +# +# This hook is called with the following parameters: +# +# $1 -- Name of the remote to which the push is being done +# $2 -- URL to which the push is being done +# +# If pushing without using a named remote those arguments will be equal. +# +# Information about the commits which are being pushed is supplied as lines to +# the standard input in the form: +# +# +# +# This sample shows how to prevent push of commits where the log message starts +# with "WIP" (work in progress). + +remote="$1" +url="$2" + +zero=$(git hash-object --stdin &2 "Found WIP commit in $local_ref, not pushing" + exit 1 + fi + fi +done + +exit 0 diff --git a/tests/files/submod.git/hooks/pre-rebase.sample b/tests/files/submod.git/hooks/pre-rebase.sample new file mode 100755 index 00000000..6cbef5c3 --- /dev/null +++ b/tests/files/submod.git/hooks/pre-rebase.sample @@ -0,0 +1,169 @@ +#!/bin/sh +# +# Copyright (c) 2006, 2008 Junio C Hamano +# +# The "pre-rebase" hook is run just before "git rebase" starts doing +# its job, and can prevent the command from running by exiting with +# non-zero status. +# +# The hook is called with the following parameters: +# +# $1 -- the upstream the series was forked from. +# $2 -- the branch being rebased (or empty when rebasing the current branch). +# +# This sample shows how to prevent topic branches that are already +# merged to 'next' branch from getting rebased, because allowing it +# would result in rebasing already published history. + +publish=next +basebranch="$1" +if test "$#" = 2 +then + topic="refs/heads/$2" +else + topic=`git symbolic-ref HEAD` || + exit 0 ;# we do not interrupt rebasing detached HEAD +fi + +case "$topic" in +refs/heads/??/*) + ;; +*) + exit 0 ;# we do not interrupt others. + ;; +esac + +# Now we are dealing with a topic branch being rebased +# on top of master. Is it OK to rebase it? + +# Does the topic really exist? +git show-ref -q "$topic" || { + echo >&2 "No such branch $topic" + exit 1 +} + +# Is topic fully merged to master? +not_in_master=`git rev-list --pretty=oneline ^master "$topic"` +if test -z "$not_in_master" +then + echo >&2 "$topic is fully merged to master; better remove it." + exit 1 ;# we could allow it, but there is no point. +fi + +# Is topic ever merged to next? If so you should not be rebasing it. +only_next_1=`git rev-list ^master "^$topic" ${publish} | sort` +only_next_2=`git rev-list ^master ${publish} | sort` +if test "$only_next_1" = "$only_next_2" +then + not_in_topic=`git rev-list "^$topic" master` + if test -z "$not_in_topic" + then + echo >&2 "$topic is already up to date with master" + exit 1 ;# we could allow it, but there is no point. + else + exit 0 + fi +else + not_in_next=`git rev-list --pretty=oneline ^${publish} "$topic"` + /usr/bin/perl -e ' + my $topic = $ARGV[0]; + my $msg = "* $topic has commits already merged to public branch:\n"; + my (%not_in_next) = map { + /^([0-9a-f]+) /; + ($1 => 1); + } split(/\n/, $ARGV[1]); + for my $elem (map { + /^([0-9a-f]+) (.*)$/; + [$1 => $2]; + } split(/\n/, $ARGV[2])) { + if (!exists $not_in_next{$elem->[0]}) { + if ($msg) { + print STDERR $msg; + undef $msg; + } + print STDERR " $elem->[1]\n"; + } + } + ' "$topic" "$not_in_next" "$not_in_master" + exit 1 +fi + +<<\DOC_END + +This sample hook safeguards topic branches that have been +published from being rewound. + +The workflow assumed here is: + + * Once a topic branch forks from "master", "master" is never + merged into it again (either directly or indirectly). + + * Once a topic branch is fully cooked and merged into "master", + it is deleted. If you need to build on top of it to correct + earlier mistakes, a new topic branch is created by forking at + the tip of the "master". This is not strictly necessary, but + it makes it easier to keep your history simple. + + * Whenever you need to test or publish your changes to topic + branches, merge them into "next" branch. + +The script, being an example, hardcodes the publish branch name +to be "next", but it is trivial to make it configurable via +$GIT_DIR/config mechanism. + +With this workflow, you would want to know: + +(1) ... if a topic branch has ever been merged to "next". Young + topic branches can have stupid mistakes you would rather + clean up before publishing, and things that have not been + merged into other branches can be easily rebased without + affecting other people. But once it is published, you would + not want to rewind it. + +(2) ... if a topic branch has been fully merged to "master". + Then you can delete it. More importantly, you should not + build on top of it -- other people may already want to + change things related to the topic as patches against your + "master", so if you need further changes, it is better to + fork the topic (perhaps with the same name) afresh from the + tip of "master". + +Let's look at this example: + + o---o---o---o---o---o---o---o---o---o "next" + / / / / + / a---a---b A / / + / / / / + / / c---c---c---c B / + / / / \ / + / / / b---b C \ / + / / / / \ / + ---o---o---o---o---o---o---o---o---o---o---o "master" + + +A, B and C are topic branches. + + * A has one fix since it was merged up to "next". + + * B has finished. It has been fully merged up to "master" and "next", + and is ready to be deleted. + + * C has not merged to "next" at all. + +We would want to allow C to be rebased, refuse A, and encourage +B to be deleted. + +To compute (1): + + git rev-list ^master ^topic next + git rev-list ^master next + + if these match, topic has not merged in next at all. + +To compute (2): + + git rev-list master..topic + + if this is empty, it is fully merged to "master". + +DOC_END diff --git a/tests/files/submod.git/hooks/pre-receive.sample b/tests/files/submod.git/hooks/pre-receive.sample new file mode 100755 index 00000000..a1fd29ec --- /dev/null +++ b/tests/files/submod.git/hooks/pre-receive.sample @@ -0,0 +1,24 @@ +#!/bin/sh +# +# An example hook script to make use of push options. +# The example simply echoes all push options that start with 'echoback=' +# and rejects all pushes when the "reject" push option is used. +# +# To enable this hook, rename this file to "pre-receive". + +if test -n "$GIT_PUSH_OPTION_COUNT" +then + i=0 + while test "$i" -lt "$GIT_PUSH_OPTION_COUNT" + do + eval "value=\$GIT_PUSH_OPTION_$i" + case "$value" in + echoback=*) + echo "echo from the pre-receive-hook: ${value#*=}" >&2 + ;; + reject) + exit 1 + esac + i=$((i + 1)) + done +fi diff --git a/tests/files/submod.git/hooks/prepare-commit-msg.sample b/tests/files/submod.git/hooks/prepare-commit-msg.sample new file mode 100755 index 00000000..10fa14c5 --- /dev/null +++ b/tests/files/submod.git/hooks/prepare-commit-msg.sample @@ -0,0 +1,42 @@ +#!/bin/sh +# +# An example hook script to prepare the commit log message. +# Called by "git commit" with the name of the file that has the +# commit message, followed by the description of the commit +# message's source. The hook's purpose is to edit the commit +# message file. If the hook fails with a non-zero status, +# the commit is aborted. +# +# To enable this hook, rename this file to "prepare-commit-msg". + +# This hook includes three examples. The first one removes the +# "# Please enter the commit message..." help message. +# +# The second includes the output of "git diff --name-status -r" +# into the message, just before the "git status" output. It is +# commented because it doesn't cope with --amend or with squashed +# commits. +# +# The third example adds a Signed-off-by line to the message, that can +# still be edited. This is rarely a good idea. + +COMMIT_MSG_FILE=$1 +COMMIT_SOURCE=$2 +SHA1=$3 + +/usr/bin/perl -i.bak -ne 'print unless(m/^. Please enter the commit message/..m/^#$/)' "$COMMIT_MSG_FILE" + +# case "$COMMIT_SOURCE,$SHA1" in +# ,|template,) +# /usr/bin/perl -i.bak -pe ' +# print "\n" . `git diff --cached --name-status -r` +# if /^#/ && $first++ == 0' "$COMMIT_MSG_FILE" ;; +# *) ;; +# esac + +# SOB=$(git var GIT_COMMITTER_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p') +# git interpret-trailers --in-place --trailer "$SOB" "$COMMIT_MSG_FILE" +# if test -z "$COMMIT_SOURCE" +# then +# /usr/bin/perl -i.bak -pe 'print "\n" if !$first_line++' "$COMMIT_MSG_FILE" +# fi diff --git a/tests/files/submod.git/hooks/push-to-checkout.sample b/tests/files/submod.git/hooks/push-to-checkout.sample new file mode 100755 index 00000000..af5a0c00 --- /dev/null +++ b/tests/files/submod.git/hooks/push-to-checkout.sample @@ -0,0 +1,78 @@ +#!/bin/sh + +# An example hook script to update a checked-out tree on a git push. +# +# This hook is invoked by git-receive-pack(1) when it reacts to git +# push and updates reference(s) in its repository, and when the push +# tries to update the branch that is currently checked out and the +# receive.denyCurrentBranch configuration variable is set to +# updateInstead. +# +# By default, such a push is refused if the working tree and the index +# of the remote repository has any difference from the currently +# checked out commit; when both the working tree and the index match +# the current commit, they are updated to match the newly pushed tip +# of the branch. This hook is to be used to override the default +# behaviour; however the code below reimplements the default behaviour +# as a starting point for convenient modification. +# +# The hook receives the commit with which the tip of the current +# branch is going to be updated: +commit=$1 + +# It can exit with a non-zero status to refuse the push (when it does +# so, it must not modify the index or the working tree). +die () { + echo >&2 "$*" + exit 1 +} + +# Or it can make any necessary changes to the working tree and to the +# index to bring them to the desired state when the tip of the current +# branch is updated to the new commit, and exit with a zero status. +# +# For example, the hook can simply run git read-tree -u -m HEAD "$1" +# in order to emulate git fetch that is run in the reverse direction +# with git push, as the two-tree form of git read-tree -u -m is +# essentially the same as git switch or git checkout that switches +# branches while keeping the local changes in the working tree that do +# not interfere with the difference between the branches. + +# The below is a more-or-less exact translation to shell of the C code +# for the default behaviour for git's push-to-checkout hook defined in +# the push_to_deploy() function in builtin/receive-pack.c. +# +# Note that the hook will be executed from the repository directory, +# not from the working tree, so if you want to perform operations on +# the working tree, you will have to adapt your code accordingly, e.g. +# by adding "cd .." or using relative paths. + +if ! git update-index -q --ignore-submodules --refresh +then + die "Up-to-date check failed" +fi + +if ! git diff-files --quiet --ignore-submodules -- +then + die "Working directory has unstaged changes" +fi + +# This is a rough translation of: +# +# head_has_history() ? "HEAD" : EMPTY_TREE_SHA1_HEX +if git cat-file -e HEAD 2>/dev/null +then + head=HEAD +else + head=$(git hash-object -t tree --stdin &2 + echo " (if you want, you could supply GIT_DIR then run" >&2 + echo " $0 )" >&2 + exit 1 +fi + +if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then + echo "usage: $0 " >&2 + exit 1 +fi + +# --- Config +allowunannotated=$(git config --type=bool hooks.allowunannotated) +allowdeletebranch=$(git config --type=bool hooks.allowdeletebranch) +denycreatebranch=$(git config --type=bool hooks.denycreatebranch) +allowdeletetag=$(git config --type=bool hooks.allowdeletetag) +allowmodifytag=$(git config --type=bool hooks.allowmodifytag) + +# check for no description +projectdesc=$(sed -e '1q' "$GIT_DIR/description") +case "$projectdesc" in +"Unnamed repository"* | "") + echo "*** Project description file hasn't been set" >&2 + exit 1 + ;; +esac + +# --- Check types +# if $newrev is 0000...0000, it's a commit to delete a ref. +zero=$(git hash-object --stdin &2 + echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2 + exit 1 + fi + ;; + refs/tags/*,delete) + # delete tag + if [ "$allowdeletetag" != "true" ]; then + echo "*** Deleting a tag is not allowed in this repository" >&2 + exit 1 + fi + ;; + refs/tags/*,tag) + # annotated tag + if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1 + then + echo "*** Tag '$refname' already exists." >&2 + echo "*** Modifying a tag is not allowed in this repository." >&2 + exit 1 + fi + ;; + refs/heads/*,commit) + # branch + if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then + echo "*** Creating a branch is not allowed in this repository" >&2 + exit 1 + fi + ;; + refs/heads/*,delete) + # delete branch + if [ "$allowdeletebranch" != "true" ]; then + echo "*** Deleting a branch is not allowed in this repository" >&2 + exit 1 + fi + ;; + refs/remotes/*,commit) + # tracking branch + ;; + refs/remotes/*,delete) + # delete tracking branch + if [ "$allowdeletebranch" != "true" ]; then + echo "*** Deleting a tracking branch is not allowed in this repository" >&2 + exit 1 + fi + ;; + *) + # Anything else (is there anything else?) + echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2 + exit 1 + ;; +esac + +# --- Finished +exit 0 diff --git a/tests/files/submod.git/info/exclude b/tests/files/submod.git/info/exclude new file mode 100644 index 00000000..a5196d1b --- /dev/null +++ b/tests/files/submod.git/info/exclude @@ -0,0 +1,6 @@ +# git ls-files --others --exclude-from=.git/info/exclude +# Lines that start with '#' are comments. +# For a project mostly in C, the following would be a good set of +# exclude patterns (uncomment them if you want to use them): +# *.[oa] +# *~ diff --git a/tests/files/submod.git/objects/20/77d7e4f28649f836b1107a07562ff5e0a7375c b/tests/files/submod.git/objects/20/77d7e4f28649f836b1107a07562ff5e0a7375c new file mode 100644 index 00000000..10f9b7b3 Binary files /dev/null and b/tests/files/submod.git/objects/20/77d7e4f28649f836b1107a07562ff5e0a7375c differ diff --git a/tests/files/submod.git/objects/26/3384e25d3a245c98766579193e11583bd8c053 b/tests/files/submod.git/objects/26/3384e25d3a245c98766579193e11583bd8c053 new file mode 100644 index 00000000..8f3e5ead Binary files /dev/null and b/tests/files/submod.git/objects/26/3384e25d3a245c98766579193e11583bd8c053 differ diff --git a/tests/files/submod.git/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904 b/tests/files/submod.git/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904 new file mode 100644 index 00000000..adf64119 Binary files /dev/null and b/tests/files/submod.git/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904 differ diff --git a/tests/files/submod.git/objects/61/0955cb4abecf174f9591e8e79dc722747c2ed0 b/tests/files/submod.git/objects/61/0955cb4abecf174f9591e8e79dc722747c2ed0 new file mode 100644 index 00000000..236040ba --- /dev/null +++ b/tests/files/submod.git/objects/61/0955cb4abecf174f9591e8e79dc722747c2ed0 @@ -0,0 +1,2 @@ +x[ +0E*fdD܁n!ZSj{p:MC"k2g[/Qk<vIaGB,Qg"rm2.M;v \FutI;&أET6U!gPQE \ No newline at end of file diff --git a/tests/files/submod.git/objects/e6/e2eb76562f22fb29d1cb07be1d4c35b04c4898 b/tests/files/submod.git/objects/e6/e2eb76562f22fb29d1cb07be1d4c35b04c4898 new file mode 100644 index 00000000..197a05ce Binary files /dev/null and b/tests/files/submod.git/objects/e6/e2eb76562f22fb29d1cb07be1d4c35b04c4898 differ diff --git a/tests/files/submod.git/refs/heads/master b/tests/files/submod.git/refs/heads/master new file mode 100644 index 00000000..67e3ca8f --- /dev/null +++ b/tests/files/submod.git/refs/heads/master @@ -0,0 +1 @@ +610955cb4abecf174f9591e8e79dc722747c2ed0 diff --git a/tests/files/top b/tests/files/top new file mode 160000 index 00000000..7ed389f7 --- /dev/null +++ b/tests/files/top @@ -0,0 +1 @@ +Subproject commit 7ed389f7f4aba2e3cb429eb613ae196b25f2356b diff --git a/tests/units/test_diff_submodule.rb b/tests/units/test_diff_submodule.rb new file mode 100644 index 00000000..4073ddb0 --- /dev/null +++ b/tests/units/test_diff_submodule.rb @@ -0,0 +1,30 @@ +#!/usr/bin/env ruby + +require File.dirname(__FILE__) + '/../test_helper' + +class TestDiffSubmodule < Test::Unit::TestCase + def setup + set_file_paths + + @top_dir = File.join(@wdir_dot, '..', 'top') + @git = Git.open(@top_dir) + end + + # No --submodule option - diff shows submodule commit hash only + def test_diff + patch = @git.diff('7ed389f7f4aba2e3cb429eb613ae196b25f2356b^', '7ed389f7f4aba2e3cb429eb613ae196b25f2356b').patch + assert_match(/^-Subproject commit/, patch) + assert_match(/^\+Subproject commit/, patch) + assert_no_match(/^Submodule submod/, patch) + assert(!patch.include?('test file in submodule')) + end + + # --submodule=diff option - diff includes submodule diff + def test_diff_submodule_diff + patch = @git.diff('7ed389f7f4aba2e3cb429eb613ae196b25f2356b^', '7ed389f7f4aba2e3cb429eb613ae196b25f2356b', submodule: 'diff').patch + assert_match(/^Submodule submod/, patch) + assert(patch.include?('test file in submodule')) + end + + +end