feat: add new slice definitions for 'git' and dependancies

slices/git.yaml

@@ -0,0 +1,39 @@
+package: git
+
+essential:
+  - git_copyright
+
+slices:
+  bins:
+    # basic functionality including:
+    # - init
+    # - config
+    # - add
+    # - commit
+    # - status
+    # - log
+    # - checkout
+    # - blame
+    # - diff
+    # - merge
+    essential:
+      - libc6_libs
+      - libpcre2-8-0_libs
+      - zlib1g_libs
+    contents:
+      /usr/bin/git:
+
+  http-clone:
+    # requirements for cloning over http`git clone https://`:
+    essential:
+      - git_bins
+      - libcurl3t64-gnutls_libs
+      - libexpat1_libs
+      - libpcre2-8-0_libs
+    contents:
+      /usr/lib/git-core/git-remote-http:
+      /usr/lib/git-core/git-remote-https:  # link pointing to git-remote-http
+
+  copyright:
+    contents:
+      /usr/share/doc/git/copyright:

slices/libcurl3t64-gnutls.yaml

@@ -0,0 +1,27 @@
+package: libcurl3t64-gnutls
+
+essential:
+  - libcurl3t64-gnutls_copyright
+
+slices:
+  libs:
+    essential:
+      - libbrotli1_libs
+      - libc6_libs
+      - libgnutls30t64_libs
+      - libgssapi-krb5-2_libs
+      - libidn2-0_libs
+      - libldap2_libs
+      - libnettle8t64_libs
+      - libnghttp2-14_libs
+      - libpsl5t64_libs
+      - librtmp1_libs
+      - libssh-4_libs
+      - libzstd1_libs
+      - zlib1g_libs
+    contents:
+      /usr/lib/*-linux-*/libcurl-gnutls.so.*:
+
+  copyright:
+    contents:
+      /usr/share/doc/libcurl3t64-gnutls/copyright:

tests/spread/integration/git/task.yaml

@@ -0,0 +1,72 @@
+summary: Integration tests for git
+
+execute: |
+
+  function setup(){
+
+    mkdir -p "$1/dev/"
+    mkdir -p "$1/etc/"
+
+    # fake essentials
+    touch "$1/dev/null"
+    head -c 500 /dev/urandom > "$1/dev/urandom"
+    cp /etc/resolv.conf $1/etc/
+
+    # link busybox
+    pushd "$1/usr/bin/"
+    for TARGET in ash mkdir
+    do
+      ln -sf busybox $TARGET
+    done
+    popd
+
+  }
+
+  rootfs_bins=$(install-slices git_bins busybox_bins)
+  setup "$rootfs_bins"
+
+  chroot "$rootfs_bins"  ash << EOF
+    set -ex
+
+    mkdir repo
+    cd repo
+
+    git init
+
+    git config  user.email "[email protected]"
+    git config  user.name "Your Name"
+    git config  core.pager cat
+
+    echo hello_world > test_file
+    git add test_file
+    git commit -m "hello hello_world"
+
+    git status
+    git log
+
+    git blame -L 1,1 test_file
+
+    git checkout -b test
+
+    echo foo_bar >> test_file
+    git add test_file
+    git commit -m "hello foo_bar"
+
+    git diff master
+
+    git branch
+    git checkout master
+    git merge test
+  EOF
+
+
+  # Testing for http-clone
+  rootfs_core=$(install-slices git_http-clone busybox_bins ca-certificates_data)
+  setup "$rootfs_core" 
+
+  chroot "$rootfs_core" ash << EOF
+    set -ex
+
+    git clone https://github.com/cmatsuoka/figlet.git "$rootfs_bins/figlet"
+
+  EOF