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authorKarel Kočí <cynerd@email.cz>2016-10-12 22:42:19 +0200
committerKarel Kočí <cynerd@email.cz>2016-10-12 22:42:19 +0200
commit271a3fbb14ccc50a3a3c1690dd64ac0695566bcc (patch)
treecbb7322334191e944449cfc1bdbb43f79bfb229e /utils/inst
parenta0a8e8f69a1ee72c62b118a6dcf2d5816e7e0241 (diff)
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Split functions definition from install script to separate file
Those function cluttered install script.
Diffstat (limited to 'utils/inst')
-rw-r--r--utils/inst89
1 files changed, 89 insertions, 0 deletions
diff --git a/utils/inst b/utils/inst
new file mode 100644
index 0000000..46cae0c
--- /dev/null
+++ b/utils/inst
@@ -0,0 +1,89 @@
+# Functions used for interactive installation of new changes to running system
+# vim: ft=sh
+
+dodiff() {
+ if [ -d "$2" ]; then
+ # If we just copying some file to directory
+ OUT=$2/$(basename "$1")
+ else
+ OUT=$2
+ fi
+ if ! [ -f "$OUT" ]; then
+ echo "Not installed: $1 => $OUT"
+ read -p "Install? (Y/n) "
+ if [[ $REPLY =~ ^[Yy]?$ ]]; then
+ doinst "$1" "$OUT"
+ fi
+ return
+ fi
+ if cmp "$1" "$OUT" >/dev/null; then
+ echo "No difference detected: $OUT"
+ return
+ fi
+ vimdiff "$1" "$OUT"
+}
+
+diff() {
+ # Iterate trough source directory but ignore any git repositories
+ # Note that it's design decision to not iterate trough target directory.
+ if [ -d "$1" ]; then
+ # This is check if we have correct inst command basically. If it is
+ # directory than it have to have trailing slash to ensure that no
+ # additional directory is created.
+ if ! echo "$1" | grep -qE '/$'; then
+ echo ERROR: Directory without trailing slash detected: $1
+ exit 1
+ fi
+ # Got trough all files ignoring git repositories
+ for f in `find "$1" \( -type d -exec test -e '{}'/.git \; \) -prune -o -type f -print`; do
+ F="${f#$1}"
+ dodiff "$1/$F" "$2/$F"
+ done
+ # Check if we have all directories ignoring those in git repositories
+ for d in `find "$1" -type d -print -exec test -e '{}'/.git \; -prune`; do
+ D="${d#$1}"
+ if [ ! -d "$2/$D" ]; then
+ echo "Directory not installed: $1/$D => $2/$D"
+ read -p "Install? (Y/n) "
+ if [[ $REPLY =~ ^[Yy]?$ ]]; then
+ doinst "$1/$D/" "$2/$D"
+ fi
+ fi
+ done
+ # Now checkout git repositories
+ for g in `find "$1" -name .git -type f -printf '%h '`; do
+ G="${g#$1}"
+ COMMIT=$( cd "$1/$G" && git rev-parse HEAD )
+ echo "Checkout of git repository: $2/$G"
+ ( cd "$2/$G" && git --work-tree=. checkout -f "$COMMIT" )
+ done
+ else
+ dodiff "$1" "$2"
+ fi
+}
+
+# Managing two git trees with master has small inconvenience that git allows only
+# single branch checkout in all work trees, so as it sets now git will execute all
+# commands not on deployed tree but on tree in this repository, so we need specify
+# work tree on command line every time we want target deployed work tree.
+doinst() {
+ echo rsync -rlpt $1 $2
+ rsync -rlpt $1 $2
+ # Now edit all .git files in target directory
+ for g in `find "$2" -name '.git' -type f`; do
+ if ! grep -q "gitdir: " "$g"; then
+ continue # Probably not a git repository or who knows.
+ fi
+ echo "Pointing git repository $g to this repository"
+ echo gitdir: $PWD/.git`sed "s/^gitdir: [./]*git//" "$g"` > "$g"
+ done
+}
+
+inst() {
+ if [ -e "$2" ]; then
+ # If output exists, execute diff instead
+ diff $1 $2
+ return
+ fi
+ doinst $1 $2
+}