Merge pull request #5 from nelsonenzo/issue2

fix zsh-spawned processes' argv[0] substituted with tmux executable path

Dockerfile

@@ -1,9 +1,8 @@
 ## Author: Nelson E Hernandez
-## Date:
 FROM centos:centos6.9
 ## install build tools
-RUN /usr/bin/yum groupinstall -y "Development Tools"
-RUN /usr/bin/yum install -y wget
+RUN /usr/bin/yum -y update && /usr/bin/yum groupinstall -y "Development Tools" && yum clean all
+RUN /usr/bin/yum install -y wget && yum install -y epel-release && yum install -y jq
 
 RUN wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage \
     && chmod +x linuxdeploy-x86_64.AppImage \
@@ -23,4 +22,11 @@ RUN sh autogen.sh && \
     ./configure --prefix=/tmux/MakeBuild && \
     make install
 
+## complete the appimage build.
+COPY ./opt /opt
+RUN /opt/build.sh
+
+## Produces artifact
+## /opt/releases/tmux-3.0a-x86_64.AppImage
+
 CMD /opt/build.sh

README.md

@@ -17,18 +17,17 @@ git clone https://github.com/nelsonenzo/tmux-appimage.git
 ## compile tmux from source by building container
 docker build . -t tmux
 
-## make appimage by running container
-docker run -it -v "$PWD"/opt:/opt tmux
-
-## expected output:
-./opt/releases/tmux-3.0a-x86_64.AppImage
+## extract the appimage file
+docker create -ti --name tmuxcontainer tmux bash
+docker cp tmuxcontainer:/opt/releases/tmux-3.0a-x86_64.AppImage .
+docker rm -f tmuxcontainer
 ```
 
 
 ## To use AppImage
 move appimage to executable location in your $PATH
 ```
-mv ./opt/releases/tmux.*AppImage /usr/bin/tmux
+mv tmux.*AppImage /usr/local/bin/tmux
 
 tmux
 ```

opt/AppRun

@@ -0,0 +1,4 @@
+#!/bin/bash
+HERE="$(dirname "$(readlink -f "${0}")")"
+unset ARGV0
+exec "${HERE}/usr/bin/tmux" "$@"

opt/build.sh

@@ -8,4 +8,6 @@ export OUTPUT="/opt/releases/tmux-$RELEASE_TAG-x86_64.AppImage"
 /usr/bin/linuxdeploy --appdir=AppDir \
   -i /opt/tmux-logo-square.png \
   -d /opt/tmux.desktop \
-  -e MakeBuild/bin/tmux --output=appimage
+  -e MakeBuild/bin/tmux \
+  --custom-apprun=/opt/AppRun \
+  --output=appimage