From 93e383fe19c84cfcb5298e69693fc1669735875f Mon Sep 17 00:00:00 2001
From: Thomas Guillem <thomas@gllm.fr>
Date: Thu, 7 Jul 2022 10:13:03 +0200
Subject: [PATCH] add get-vlc.sh
Moved from vlc-android/buildsystem/compile.sh
VLC Hash, patches, and clone commands are now all in the same place.
---
buildsystem/get-vlc.sh | 106 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 106 insertions(+)
create mode 100755 buildsystem/get-vlc.sh
diff --git a/buildsystem/get-vlc.sh b/buildsystem/get-vlc.sh
new file mode 100755
index 0000000..267961e
--- /dev/null
+++ b/buildsystem/get-vlc.sh
@@ -0,0 +1,106 @@
+#! /bin/sh
+set -e
+
+#############
+# FUNCTIONS #
+#############
+
+diagnostic()
+{
+ echo "$@" 1>&2;
+}
+
+fail()
+{
+ diagnostic "$1"
+ exit 1
+}
+
+# Try to check whether a patch file has already been applied to the current directory tree
+# Warning: this function assumes:
+# - The patch file contains a Message-Id header. This can be generated with `git format-patch --thread ...` option
+# - The patch has been applied with `git am --message-id ...` option to keep the Message-Id in the commit description
+check_patch_is_applied()
+{
+ patch_file=$1
+ diagnostic "Checking presence of patch $1"
+ message_id=$(grep -E '^Message-Id: [^ ]+' "$patch_file" | sed 's/^Message-Id: \([^\ ]+\)/\1/')
+ if [ -z "$message_id" ]; then
+ diagnostic "Error: patch $patch_file does not contain a Message-Id."
+ diagnostic "Please consider generating your patch files with the 'git format-patch --thread ...' option."
+ diagnostic ""
+ exit 1
+ fi
+ if [ -z "$(git log --grep="$message_id")" ]; then
+ diagnostic "Cannot find patch $patch_file in tree, aborting."
+ diagnostic "There can be two reasons for that:"
+ diagnostic "- you forgot to apply the patch on this tree, or"
+ diagnostic "- you applied the patch without the 'git am --message-id ...' option."
+ diagnostic ""
+ exit 1
+ fi
+}
+
+RESET=0
+while [ $# -gt 0 ]; do
+ case $1 in
+ help|--help|-h)
+ echo "Use -b to bypass libvlc source checks (vlc custom sources)"
+ exit 0
+ ;;
+ --reset)
+ RESET=1
+ ;;
+ -b)
+ BYPASS_VLC_SRC_CHECKS=1
+ ;;
+ *)
+ diagnostic "$0: Invalid option '$1'."
+ diagnostic "$0: Try --help for more information."
+ exit 1
+ ;;
+ esac
+ shift
+done
+
+####################
+# Fetch VLC source #
+####################
+
+VLC_TESTED_HASH=d7d51df095b1883d40856c5c315280dec495ea7a
+VLC_REPOSITORY=https://code.videolan.org/videolan/vlc.git
+VLC_BRANCH=4.0.x
+if [ ! -d "vlc" ]; then
+ diagnostic "VLC sources: not found, cloning"
+ git clone "${VLC_REPOSITORY}" vlc -b ${VLC_BRANCH} --single-branch || fail "VLC sources: git clone failed"
+ cd vlc
+ diagnostic "VLC sources: resetting to the VLC_TESTED_HASH commit (${VLC_TESTED_HASH})"
+ git reset --hard ${VLC_TESTED_HASH} || fail "VLC sources: VLC_TESTED_HASH ${VLC_TESTED_HASH} not found"
+ diagnostic "VLC sources: applying custom patches"
+ # Keep Message-Id inside commits description to track them afterwards
+ git am --message-id ../libvlcjni/libvlc/patches/vlc3/*.patch || fail "VLC sources: cannot apply custom patches"
+ cd ..
+else
+ diagnostic "VLC source: found sources, leaving untouched"
+fi
+if [ "$BYPASS_VLC_SRC_CHECKS" = 1 ]; then
+ diagnostic "VLC sources: Bypassing checks (required by option)"
+elif [ $RESET -eq 1 ]; then
+ cd vlc
+ git reset --hard ${VLC_TESTED_HASH} || fail "VLC sources: VLC_TESTED_HASH ${VLC_TESTED_HASH} not found"
+ for patch_file in ../libvlcjni/libvlc/patches/vlc3/*.patch; do
+ git am --message-id $patch_file
+ check_patch_is_applied "$patch_file"
+ done
+ cd ..
+else
+ diagnostic "VLC sources: Checking VLC_TESTED_HASH and patches presence"
+ diagnostic "NOTE: checks can be bypass by adding '-b' option to this script."
+ cd vlc
+ git cat-file -e ${VLC_TESTED_HASH} 2> /dev/null || \
+ fail "Error: Your vlc checkout does not contain the latest tested commit: ${VLC_TESTED_HASH}"
+ for patch_file in ../libvlcjni/libvlc/patches/vlc3/*.patch; do
+ check_patch_is_applied "$patch_file"
+ done
+ cd ..
+fi
--
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