Support the notion of a home directory separately from global configuration directory

.github/workflows/main.yml

@@ -133,19 +133,25 @@ jobs:
         - name: "Windows (amd64, Visual Studio)"
           id: windows-amd64-vs
           os: windows-2019
+          setup-script: win32
           env:
             ARCH: amd64
             CMAKE_GENERATOR: Visual Studio 16 2019
-            CMAKE_OPTIONS: -A x64 -DWIN32_LEAKCHECK=ON -DDEPRECATE_HARD=ON
+            CMAKE_OPTIONS: -A x64 -DWIN32_LEAKCHECK=ON -DDEPRECATE_HARD=ON -DUSE_SSH=ON -DCMAKE_PREFIX_PATH=D:\Temp\libssh2
+            BUILD_PATH: C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\CMake\bin;D:\Temp\libssh2\bin
+            BUILD_TEMP: D:\Temp
             SKIP_SSH_TESTS: true
             SKIP_NEGOTIATE_TESTS: true
         - name: "Windows (x86, Visual Studio)"
           id: windows-x86-vs
           os: windows-2019
+          setup-script: win32
           env:
             ARCH: x86
             CMAKE_GENERATOR: Visual Studio 16 2019
-            CMAKE_OPTIONS: -A Win32 -DWIN32_LEAKCHECK=ON -DDEPRECATE_HARD=ON -DUSE_SHA1=HTTPS -DUSE_BUNDLED_ZLIB=ON
+            CMAKE_OPTIONS: -A Win32 -DWIN32_LEAKCHECK=ON -DDEPRECATE_HARD=ON -DUSE_SHA1=HTTPS -DUSE_BUNDLED_ZLIB=ON -DUSE_SSH=ON -DCMAKE_PREFIX_PATH=D:\Temp\libssh2
+            BUILD_PATH: C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\CMake\bin;D:\Temp\libssh2\bin
+            BUILD_TEMP: D:\Temp
             SKIP_SSH_TESTS: true
             SKIP_NEGOTIATE_TESTS: true
         - name: "Windows (amd64, mingw)"
@@ -283,6 +289,10 @@ jobs:
     - name: Build and test
       run: |
         export GITTEST_NEGOTIATE_PASSWORD="${{ secrets.GITTEST_NEGOTIATE_PASSWORD }}"
+        export GITTEST_GITHUB_SSH_KEY="${{ secrets.GITTEST_GITHUB_SSH_KEY }}"
+        export GITTEST_GITHUB_SSH_PUBKEY="${{ secrets.GITTEST_GITHUB_SSH_PUBKEY }}"
+        export GITTEST_GITHUB_SSH_PASSPHRASE="${{ secrets.GITTEST_GITHUB_SSH_PASSPHRASE }}"
+        export GITTEST_GITHUB_SSH_REMOTE_HOSTKEY="${{ secrets.GITTEST_GITHUB_SSH_REMOTE_HOSTKEY }}"
 
         if [ -n "${{ matrix.platform.container.name }}" ]; then
           mkdir build

ci/build.sh

@@ -13,16 +13,30 @@ BUILD_PATH=${BUILD_PATH:=$PATH}
 CMAKE=$(which cmake)
 CMAKE_GENERATOR=${CMAKE_GENERATOR:-Unix Makefiles}
 
+indent() { sed "s/^/    /"; }
+
+cygfullpath() {
+	result=$(echo "${1}" | tr \; \\n | while read -r element; do
+		if [ "${last}" != "" ]; then echo -n ":"; fi
+		echo -n $(cygpath "${element}")
+		last="${element}"
+	done)
+	if [ "${result}" = "" ]; then exit 1; fi
+        echo "${result}"
+}
+
 if [[ "$(uname -s)" == MINGW* ]]; then
-	BUILD_PATH=$(cygpath "$BUILD_PATH")
+	BUILD_PATH=$(cygfullpath "${BUILD_PATH}")
 fi
 
-indent() { sed "s/^/    /"; }
 
 echo "Source directory: ${SOURCE_DIR}"
 echo "Build directory:  ${BUILD_DIR}"
 echo ""
 
+echo "Platform:"
+uname -s | indent
+
 if [ "$(uname -s)" = "Darwin" ]; then
 	echo "macOS version:"
 	sw_vers | indent
@@ -40,7 +54,7 @@ echo "Kernel version:"
 uname -a 2>&1 | indent
 
 echo "CMake version:"
-env PATH="${BUILD_PATH}" "${CMAKE}" --version 2>&1 | indent
+env PATH="${BUILD_PATH}" "${CMAKE}" --version | head -1 2>&1 | indent
 
 if test -n "${CC}"; then
 	echo "Compiler version:"

ci/setup-mingw-build.sh

@@ -11,9 +11,9 @@ BUILD_TEMP=$(cygpath $BUILD_TEMP)
 
 case "$ARCH" in
 	amd64)
-		MINGW_URI="https://github.com/libgit2/ci-dependencies/releases/download/2021-05-04/mingw-x86_64-8.1.0-release-win32-sjlj-rt_v6-rev0.zip";;
+		MINGW_URI="https://github.com/libgit2/ci-dependencies/releases/download/2023-01-23/mingw-x86_64-8.1.0-release-win32-sjlj-rt_v6-rev0.zip";;
 	x86)
-		MINGW_URI="https://github.com/libgit2/ci-dependencies/releases/download/2021-05-04/mingw-i686-8.1.0-release-win32-sjlj-rt_v6-rev0.zip";;
+		MINGW_URI="https://github.com/libgit2/ci-dependencies/releases/download/2023-01-23/mingw-i686-8.1.0-release-win32-sjlj-rt_v6-rev0.zip";;
 esac
 
 if [ -z "$MINGW_URI" ]; then

ci/setup-win32-build.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+set -ex
+
+echo "##############################################################################"
+echo "## Downloading libssh2"
+echo "##############################################################################"
+
+BUILD_TEMP=${BUILD_TEMP:=$TEMP}
+BUILD_TEMP=$(cygpath $BUILD_TEMP)
+
+case "$ARCH" in
+	amd64)
+		LIBSSH2_URI="https://github.com/libgit2/ci-dependencies/releases/download/2023-02-01/libssh2-20230201-amd64.zip";;
+	x86)
+		LIBSSH2_URI="https://github.com/libgit2/ci-dependencies/releases/download/2023-02-01-v2/libssh2-20230201-x86.zip";;
+esac
+
+if [ -z "$LIBSSH2_URI" ]; then
+	echo "No URL"
+	exit 1
+fi
+
+mkdir -p "$BUILD_TEMP"
+
+curl -s -L "$LIBSSH2_URI" -o "$BUILD_TEMP"/libssh2-"$ARCH".zip
+unzip -q "$BUILD_TEMP"/libssh2-"$ARCH".zip -d "$BUILD_TEMP"

ci/test.sh

@@ -13,9 +13,14 @@ fi
 
 SOURCE_DIR=${SOURCE_DIR:-$( cd "$( dirname "${BASH_SOURCE[0]}" )" && dirname $( pwd ) )}
 BUILD_DIR=$(pwd)
+BUILD_PATH=${BUILD_PATH:=$PATH}
+CTEST=$(which ctest)
 TMPDIR=${TMPDIR:-/tmp}
 USER=${USER:-$(whoami)}
 
+HOME=`mktemp -d ${TMPDIR}/home.XXXXXXXX`
+export CLAR_HOMEDIR=${HOME}
+
 SUCCESS=1
 CONTINUE_ON_FAILURE=0
 
@@ -72,7 +77,11 @@ run_test() {
 
 		RETURN_CODE=0
 
-		CLAR_SUMMARY="${BUILD_DIR}/results_${1}.xml" ctest -V -R "^${1}$" || RETURN_CODE=$? && true
+		(
+			export PATH="${BUILD_PATH}"
+			export CLAR_SUMMARY="${BUILD_DIR}/results_${1}.xml"
+			"${CTEST}" -V -R "^${1}$"
+		) || RETURN_CODE=$? && true
 
 		if [ "$RETURN_CODE" -eq 0 ]; then
 			FAILED=0
@@ -93,9 +102,31 @@ run_test() {
 	fi
 }
 
+indent() { sed "s/^/    /"; }
+
+cygfullpath() {
+	result=$(echo "${1}" | tr \; \\n | while read -r element; do
+		if [ "${last}" != "" ]; then echo -n ":"; fi
+		echo -n $(cygpath "${element}")
+		last="${element}"
+	done)
+	if [ "${result}" = "" ]; then exit 1; fi
+	echo "${result}"
+}
+
+if [[ "$(uname -s)" == MINGW* ]]; then
+        BUILD_PATH=$(cygfullpath "$BUILD_PATH")
+fi
+
+
 # Configure the test environment; run them early so that we're certain
 # that they're started by the time we need them.
 
+echo "CTest version:"
+env PATH="${BUILD_PATH}" "${CTEST}" --version | head -1 2>&1 | indent
+
+echo ""
+
 echo "##############################################################################"
 echo "## Configuring test environment"
 echo "##############################################################################"
@@ -140,7 +171,6 @@ fi
 
 if [ -z "$SKIP_SSH_TESTS" ]; then
 	echo "Starting SSH server..."
-	HOME=`mktemp -d ${TMPDIR}/home.XXXXXXXX`
 	SSHD_DIR=`mktemp -d ${TMPDIR}/sshd.XXXXXXXX`
 	git init --bare "${SSHD_DIR}/test.git" >/dev/null
 	cat >"${SSHD_DIR}/sshd_config" <<-EOF
@@ -384,7 +414,7 @@ if [ -z "$SKIP_FUZZERS" ]; then
 	echo "## Running fuzzers"
 	echo "##############################################################################"
 
-	ctest -V -R 'fuzzer'
+	env PATH="${BUILD_PATH}" "${CTEST}" -V -R 'fuzzer'
 fi
 
 cleanup

include/git2/common.h

@@ -222,7 +222,9 @@ typedef enum {
 	GIT_OPT_GET_EXTENSIONS,
 	GIT_OPT_SET_EXTENSIONS,
 	GIT_OPT_GET_OWNER_VALIDATION,
-	GIT_OPT_SET_OWNER_VALIDATION
+	GIT_OPT_SET_OWNER_VALIDATION,
+	GIT_OPT_GET_HOMEDIR,
+	GIT_OPT_SET_HOMEDIR
 } git_libgit2_opt_t;
 
 /**
@@ -468,6 +470,16 @@ typedef enum {
  *      > Set that repository directories should be owned by the current
  *      > user. The default is to validate ownership.
  *
+ *   opts(GIT_OPT_GET_HOMEDIR, git_buf *out)
+ *      > Gets the current user's home directory, as it will be used
+ *      > for file lookups. The path is written to the `out` buffer.
+ *
+ *   opts(GIT_OPT_SET_HOMEDIR, const char *path)
+ *      > Sets the directory used as the current user's home directory,
+ *      > for file lookups.
+ *      >
+ *      > - `path` directory of home directory.
+ *
  * @param option Option key
  * @param ... value to set the option
  * @return 0 on success, <0 on failure

src/libgit2/attrcache.c

@@ -300,7 +300,7 @@ static int attr_cache__lookup_path(
 
 		/* expand leading ~/ as needed */
 		if (cfgval && cfgval[0] == '~' && cfgval[1] == '/') {
-			if (! (error = git_sysdir_expand_global_file(&buf, &cfgval[2])))
+			if (! (error = git_sysdir_expand_homedir_file(&buf, &cfgval[2])))
 				*out = git_str_detach(&buf);
 		} else if (cfgval) {
 			*out = git__strdup(cfgval);

src/libgit2/config.c

@@ -860,7 +860,7 @@ static int git_config__parse_path(git_str *out, const char *value)
 			return -1;
 		}
 
-		return git_sysdir_expand_global_file(out, value[1] ? &value[2] : NULL);
+		return git_sysdir_expand_homedir_file(out, value[1] ? &value[2] : NULL);
 	}
 
 	return git_str_sets(out, value);

src/libgit2/config_file.c

@@ -528,7 +528,7 @@ static int included_path(git_str *out, const char *dir, const char *path)
 {
 	/* From the user's home */
 	if (path[0] == '~' && path[1] == '/')
-		return git_sysdir_expand_global_file(out, &path[1]);
+		return git_sysdir_expand_homedir_file(out, &path[1]);
 
 	return git_fs_path_join_unrooted(out, path, dir, NULL);
 }
@@ -616,7 +616,7 @@ static int do_match_gitdir(
 		git_fs_path_dirname_r(&pattern, cfg_file);
 		git_str_joinpath(&pattern, pattern.ptr, condition + 2);
 	} else if (condition[0] == '~' && git_fs_path_is_dirsep(condition[1]))
-		git_sysdir_expand_global_file(&pattern, condition + 1);
+		git_sysdir_expand_homedir_file(&pattern, condition + 1);
 	else if (!git_fs_path_is_absolute(condition))
 		git_str_joinpath(&pattern, "**", condition);
 	else

src/libgit2/libgit2.c

@@ -414,6 +414,25 @@ int git_libgit2_opts(int key, ...)
 		git_repository__validate_ownership = (va_arg(ap, int) != 0);
 		break;
 
+	case GIT_OPT_GET_HOMEDIR:
+		{
+			git_buf *out = va_arg(ap, git_buf *);
+			git_str str = GIT_STR_INIT;
+			const git_str *tmp;
+
+			if ((error = git_buf_tostr(&str, out)) < 0 ||
+			    (error = git_sysdir_get(&tmp, GIT_SYSDIR_HOME)) < 0 ||
+			    (error = git_str_put(&str, tmp->ptr, tmp->size)) < 0)
+				break;
+
+			error = git_buf_fromstr(out, &str);
+		}
+		break;
+
+	case GIT_OPT_SET_HOMEDIR:
+		error = git_sysdir_set(GIT_SYSDIR_HOME, va_arg(ap, const char *));
+		break;
+
 	default:
 		git_error_set(GIT_ERROR_INVALID, "invalid option key");
 		error = -1;